survey-beta/Controllers/AnalyticsController.cs

@@ -0,0 +1,32 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace survey_beta.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class AnalyticsController : ControllerBase
+    {
+        private readonly AnalyticsServices _analyticsServices;
+
+        public AnalyticsController(AnalyticsServices analyticsServices)
+        {
+            _analyticsServices = analyticsServices;
+        }
+
+        [HttpGet("survey/{surveyId}")]
+        public IActionResult GetSurveyAnalytics(string surveyId)
+        {
+            var analytics = _analyticsServices.GetAggregatedSurveyResponses(surveyId);
+            if (analytics == null) return NotFound("Survey analytics not found.");
+            return Ok(analytics);
+        }
+
+        [HttpGet("export/{surveyId}")]
+        public async Task<IActionResult> ExportSurveyData(string surveyId)
+        {
+            return await _analyticsServices.ExportResponsesToCsv(surveyId);
+        }
+    }
+}

survey-beta/Controllers/ResponsesController.cs

@@ -0,0 +1,44 @@
+using Microsoft.AspNetCore.Mvc;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+using System;
+using System.Threading.Tasks;
+
+namespace survey_beta.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class ResponseController : ControllerBase
+    {
+        private readonly ResponsesService _responsesService;
+
+        public ResponseController(ResponsesService responsesService)
+        {
+            _responsesService = responsesService;
+        }
+
+        [HttpPost("add")]
+        public async Task<IActionResult> CreateResponse([FromBody] ResponseDto request)
+        {
+            try
+            {
+                await _responsesService.AddResponseAsync(request);
+                return Ok(new { message = "Response added successfully." });
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(new { error = ex.Message });
+            }
+        }
+        [HttpGet("survey/{surveyId}")]
+        public async Task<IActionResult> GetSurveyResponses(string surveyId)
+        {
+            var responses = await _responsesService.GetSurveyResponsesAsync(surveyId);
+            if (responses == null || responses.Count == 0)
+            {
+                return NotFound(new { message = "No responses found for this survey." });
+            }
+            return Ok(responses);
+        }
+    }
+}

survey-beta/Controllers/SurveyController.cs

@@ -0,0 +1,105 @@
+using Microsoft.AspNet.Identity;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Response;
+using survey_beta.DTOs.Update;
+using survey_beta.Models;
+using System.Linq;
+using System.Security.Claims;
+using System.Threading.Tasks;
+
+[Route("api/[controller]")]
+[ApiController]
+public class SurveyController : ControllerBase
+{
+    private readonly SurveyService _surveyService;
+    private readonly Microsoft.AspNetCore.Identity.UserManager<User> _userManager;
+
+    public SurveyController(SurveyService surveyService, Microsoft.AspNetCore.Identity.UserManager<User> userManager)
+    {
+        _surveyService = surveyService;
+        _userManager = userManager;
+    }
+
+    [HttpGet("GetAll")]
+    public async Task<IActionResult> GetAllSurveys([FromQuery] string id = null)
+    {
+        var surveys = await _surveyService.GetAllSurveysAsync(id);
+        return Ok(surveys);
+    }
+
+    [HttpGet("GetSurveyById{id}")]
+    public async Task<IActionResult> GetById(string id)
+    {
+        var userId = _userManager.GetUserId(User);
+        var survey = await _surveyService.GetSurveyByIdAsync(id);
+
+        if (survey == null)
+        {
+            return NotFound();
+        }
+
+        if (userId != survey.AuthorId)
+        {
+            return Forbid();
+        }
+
+        var result = new SurveyResponseDto
+        {
+            Id = survey.Id,
+            Title = survey.Title,
+            Description = survey.Description,
+            Category = survey.Category,
+            ExpirationDate = survey.ExpirationDate,
+            IsPublished = survey.IsPublished,
+        };
+
+        return Ok(result);
+    }
+    [HttpPost("Create-Survey")]
+   // [Authorize]
+    public async Task<IActionResult> CreateSurvey([FromBody] CreateSurveyDto request)
+    {
+        var userId = _userManager.GetUserId(User);
+        var survey = await _surveyService.CreateSurveyAsync(request, userId);
+        return Ok(survey);
+    }
+
+    //[Authorize]
+    [HttpPut("EditSurvey{id}")]
+    public async Task<IActionResult> UpdateSurvey([FromBody] UpdateSurveyDto request)
+    {
+        var success = await _surveyService.UpdateSurveyAsync(request);
+        if (!success) return NotFound(new { message = "Survey not found." });
+        return NoContent();
+    }
+
+    //[Authorize]
+    [HttpPatch("publish-Survey/{id}")]
+    public async Task<IActionResult> PublishSurvey(string id)
+    {
+        var success = await _surveyService.PublishSurveyAsync(id);
+        if (!success) return NotFound(new { message = "Survey not found." });
+        return NoContent();
+    }
+
+    //[Authorize]
+    [HttpPatch("unpublish-Survey/{id}")]
+    public async Task<IActionResult> UnpublishSurvey(string id)
+    {
+        var success = await _surveyService.UnpublishSurveyAsync(id);
+        if (!success) return NotFound(new { message = "Survey not found." });
+        return NoContent();
+    }
+
+    //[Authorize]
+    [HttpDelete("Delete-Survey{id}")]
+    public async Task<IActionResult> DeleteSurvey(string id)
+    {
+        var success = await _surveyService.DeleteSurveyAsync(id);
+        if (!success) return NotFound(new { message = "Survey not found." });
+        return NoContent();
+    }
+}

survey-beta/Controllers/UsersController.cs

@@ -0,0 +1,90 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+
+[Route("api/[controller]")]
+[ApiController]
+public class UserController : ControllerBase
+{
+    private readonly UsersServices _usersServices;
+
+    public UserController(UsersServices usersServices)
+    {
+        _usersServices = usersServices;
+    }
+
+    [HttpPost("register")]
+    public async Task<ActionResult<UserDto>> Register([FromBody] CreateUserDto createUserDto)
+    {
+        try
+        {
+            var user = await _usersServices.CreateUserAsync(createUserDto);
+            return Ok(user);
+        }
+        catch (Exception ex)
+        {
+            return BadRequest(ex.Message);
+        }
+    }
+
+    [HttpPost("login")]
+    public async Task<ActionResult<UserDto>> Login([FromBody] LoginDto loginDto)
+    {
+        try
+        {
+            var user = await _usersServices.SignInAsync(loginDto);
+            return Ok(user);
+        }
+        catch (Exception ex)
+        {
+            return Unauthorized(ex.Message);
+        }
+    }
+    //[Authorize]
+    [HttpGet("{id}")]
+    public async Task<IActionResult> GetUserById(string id)
+    {
+        try
+        {
+            var user = await _usersServices.GetUserByIdAsync(id);
+            return Ok(user);
+        }
+        catch (Exception ex)
+        {
+            return NotFound(new { message = ex.Message });
+        }
+    }
+    //[Authorize]
+    [HttpGet("by-username/{username}")]
+    public async Task<IActionResult> GetUserByUsername(string username)
+    {
+        try
+        {
+            var user = await _usersServices.GetUserByUsernameAsync(username);
+            return Ok(user);
+        }
+        catch (Exception ex)
+        {
+            return NotFound(new { message = ex.Message });
+        }
+    }
+    //[Authorize]
+    [HttpGet("All-Users")]
+    public async Task<IActionResult> GetAllUsers()
+    {
+        var users = await _usersServices.GetAllUsersAsync();
+        return Ok(users);
+    }
+    [HttpDelete("Delete-User")]
+    public async Task<IActionResult> DeleteUser(string id)
+    {
+        var users = await _usersServices.GetUserByIdAsync(id);
+        if (users == null)
+            return NotFound();
+        var result = await _usersServices.DeleteUsersAsync(id);
+        return Ok(result);
+    }
+        
+
+}

survey-beta/DTOs/Create/CreateChoiceDto.cs

@@ -0,0 +1,8 @@
+namespace survey_beta.DTOs.Create
+{
+    public class CreateChoiceDto
+    {
+        public string Letter { get; set; }
+        public string Content { get; set; }
+    }
+}

survey-beta/DTOs/Create/CreateQuestionDto.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+
+namespace survey_beta.DTOs.Create
+{
+    public class CreateQuestionDto
+    {
+        public string Content { get; set; }
+        //public string SurveyId { get; set; }
+
+        public List<CreateChoiceDto> Choices { get; set; }
+    }
+}

survey-beta/DTOs/Create/CreateResponseDto.cs

@@ -0,0 +1,10 @@
+namespace survey_beta.DTOs.Create
+{
+    public class CreateResponseDto
+    {
+        public string IpAddress { get; set; }
+        public string SurveyId { get; set; }
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string? Answer { get; set; }
+    }
+}

survey-beta/DTOs/Create/CreateSurveyDto.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace survey_beta.DTOs.Create
+{
+    public class CreateSurveyDto
+    {
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string Category { get; set; }
+        public DateTime ExpirationDate { get; set; }
+        public bool IsPublished { get; set; }
+        public List<CreateQuestionDto> Questions { get; set; }
+    }
+}

survey-beta/DTOs/Create/CreateUserDto.cs

@@ -0,0 +1,10 @@
+namespace survey_beta.DTOs.Create
+{
+    public class CreateUserDto
+    {
+        public string? Email { get; set; }
+        public string? Username { get; set; }
+        public string? Fullname { get; set; }
+        public string? Password { get; set; }
+    }
+}

survey-beta/DTOs/Create/LoginDto.cs

@@ -0,0 +1,8 @@
+namespace survey_beta.DTOs.Create
+{
+    public class LoginDto
+    {
+        public string Username { get; set; }
+        public string Password { get; set; }
+    }
+}

survey-beta/DTOs/Default/AnswerDto.cs

@@ -0,0 +1,9 @@
+namespace survey_beta.DTOs.Default
+{
+    public class AnswerDto
+    {
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string QuestionId { get; set; } 
+        public string ResponseId { get; set; }
+    }
+}

survey-beta/DTOs/Default/ChoiceDto.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace survey_beta.DTOs.Default
+{
+    public class ChoiceDto
+    {
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string Letter { get; set; }
+        public string Content { get; set; }
+        public string QuestionId { get; set; }
+        public bool IsCorrect { get; set; }
+    }
+}

survey-beta/DTOs/Default/QuestionDto.cs

@@ -0,0 +1,12 @@
+namespace survey_beta.DTOs.Default
+{
+    public class QuestionDto
+    {
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string Content { get; set; }
+        public string SurveyId { get; set; }
+        public string QuestionType { get; set; }
+        public string QuestionId { get; set; }
+        public IEnumerable<ChoiceDto> Choices { get; set; }
+    }
+}

survey-beta/DTOs/Default/ResponseDto.cs

@@ -0,0 +1,11 @@
+using survey_beta.DTOs.Default;
+
+public class ResponseDto
+{
+    public string Id { get; set; }
+    public string SurveyId { get; set; }
+    public string Response { get; set; }
+    public string ResponseContent { get; set; }
+    public string? IpAddress { get; set; }
+    public ICollection<AnswerDto> Answers { get; set; }
+}

survey-beta/DTOs/Default/SurveyDto.cs

@@ -0,0 +1,15 @@
+namespace survey_beta.DTOs.Default
+{
+    public class SurveyDto
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string Category { get; set; }
+        public DateTime ExpirationDate { get; set; }
+        public DateTime CreatedAt { get; set; } 
+        public bool IsPublished { get; set; }
+        public string AuthorId { get; set; }
+        public List<QuestionDto> Questions { get; set; }
+    }
+}

survey-beta/DTOs/Default/SurveyParametersDto.cs

@@ -0,0 +1,8 @@
+namespace survey_beta.DTOs.Default
+{
+    public class SurveyParametersDto
+    {
+        public string? AuthorId { get; set; }
+        public string? Category { get; set; }
+    }
+}

survey-beta/DTOs/Default/UserDto.cs

@@ -0,0 +1,11 @@
+namespace survey_beta.DTOs.Default
+{
+    public class UserDto
+    {
+        public string? Id { get; set; }
+        public string? Email { get; set; }
+        public string? Username { get; set; }
+        public string? Fullname { get; set; }
+        public string Token { get; set; }
+    }
+}

survey-beta/DTOs/Default/UserInfoDto.cs

@@ -0,0 +1,6 @@
+namespace survey_beta.DTOs.Default
+{
+    public class UserInfoDto
+    {
+    }
+}

survey-beta/DTOs/Response/AnswerRequest.cs

@@ -0,0 +1,8 @@
+namespace survey_beta.DTOs.Response
+{
+    public class AnswerRequest
+    {
+        public string Question { get; set; }
+        public string AnswerText { get; set; }
+    }
+}

survey-beta/DTOs/Response/AuthorResponseDto.cs

@@ -0,0 +1,9 @@
+namespace survey_beta.DTOs.Response
+{
+    public class AuthorResponseDto
+    {
+        public string Id { get; set; }
+        public string Fullname { get; set; }
+        public string Username { get; set; }
+    }
+}

survey-beta/DTOs/Response/CreatorResponseDto.cs

@@ -0,0 +1,10 @@
+namespace survey_beta.DTOs.Response
+{
+    public class CreatorResponseDto
+    {
+        public string Id { get; set; }
+       // public string? IpAddress { get; set; }
+        public string SurveyId { get; set; }
+        //public List<AnswerRequest> Answers { get; set; }
+    }
+}

survey-beta/DTOs/Response/SurveyResponse.cs

@@ -0,0 +1,12 @@
+namespace survey_beta.DTOs.Response
+{
+    public class SurveyResponseDto
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string Category { get; set; }
+        public DateTime? ExpirationDate { get; set; }
+        public bool IsPublished { get; set; }
+    }
+}

survey-beta/DTOs/Update/SurveyAnalytics.cs

@@ -0,0 +1,9 @@
+namespace survey_beta.DTOs.Update
+{
+    public class SurveyAnalytics
+    {
+        public string SurveyId { get; set; }
+        public int TotalResponses { get; set; }
+        public DateTime CreatedAt { get; set; }
+    }
+}

survey-beta/DTOs/Update/SurveyStats.cs

@@ -0,0 +1,10 @@
+namespace survey_beta.DTOs.Update
+{
+    public class SurveyStats
+    {
+        public string? SurveyId { get; set; }
+        public int TotalResponses { get; set; }
+        public Dictionary<string, int>? AnswerFrequency { get; set; } 
+        public Dictionary<string, int>? QuestionFrequency { get; set; }
+    }
+}

survey-beta/DTOs/Update/UpdateSurveyDto.cs

@@ -0,0 +1,12 @@
+namespace survey_beta.DTOs.Update
+{
+    public class UpdateSurveyDto
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public string Category { get; set; }
+        public DateTime? ExpirationDate { get; set; }
+        public bool IsPublished { get; set; }
+    }
+}

survey-beta/DataBaseContext/AppDbContext.cs

@@ -1,10 +1,12 @@
-using Microsoft.EntityFrameworkCore;
+using Microsoft.AspNet.Identity.EntityFramework;
+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
 using survey_beta.Models;
+
 namespace survey_beta.DataBaseContext
 {
-    public class AppDbContext : DbContext
+    public class AppDbContext : Microsoft.AspNetCore.Identity.EntityFrameworkCore.IdentityDbContext<User>
     {
-        public DbSet<User> Users { get; set; }
         public DbSet<Survey> Surveys { get; set; }
         public DbSet<Question> Questions { get; set; }
         public DbSet<Choice> Choices { get; set; }
@@ -14,43 +16,44 @@ namespace survey_beta.DataBaseContext
         public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
         {
         }
+
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
+            base.OnModelCreating(modelBuilder);
+
+            modelBuilder.Entity<User>()
+                .Property(u => u.Fullname)
+                .IsRequired();
+
             modelBuilder.Entity<Survey>()
                 .HasOne(s => s.Author)
                 .WithMany(u => u.Surveys)
-                .HasForeignKey(s => s.AuthorId);
+                .HasForeignKey(s => s.AuthorId)
+                .OnDelete(DeleteBehavior.Cascade);
 
             modelBuilder.Entity<Question>()
-                .HasOne(q => q.Survey)
-                .WithMany(s => s.Questions)
-                .HasForeignKey(q => q.SurveyId);
+              .HasIndex(q => q.SurveyId);
+               modelBuilder.Entity<Choice>()
+                .HasIndex(c => c.QuestionId);
+
 
             modelBuilder.Entity<Choice>()
                 .HasOne(c => c.Question)
                 .WithMany(q => q.Choices)
-                .HasForeignKey(c => c.QuestionId);
-
-            modelBuilder.Entity<Response>()
-                .HasOne(r => r.Survey)
-                .WithMany(s => s.Responses)
-                .HasForeignKey(r => r.SurveyId);
-
-            modelBuilder.Entity<Answer>()
-                .HasOne(a => a.Response)
-                .WithMany(r => r.Answers)
-                .HasForeignKey(a => a.ResponseId);
+                .HasForeignKey(c => c.QuestionId)
+                .OnDelete(DeleteBehavior.Cascade);
 
             modelBuilder.Entity<Answer>()
                 .HasOne(a => a.Question)
                 .WithMany()
-                .HasForeignKey(a => a.QuestionId);
+                .HasForeignKey(a => a.QuestionId)
+                .OnDelete(DeleteBehavior.Cascade);
 
             modelBuilder.Entity<Answer>()
                 .HasOne(a => a.Choice)
                 .WithMany() 
-                .HasForeignKey(a => a.ChoiceId);
+                .HasForeignKey(a => a.ChoiceId)
+                .OnDelete(DeleteBehavior.Cascade);
         }
     }
 }
-

survey-beta/Mappers/ChoiceMapper.cs

@@ -0,0 +1,32 @@
+#if false
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers
+{
+    public class ChoiceMapper
+    {
+        public static ChoiceDto ToDto(Choice choice)
+        {
+            return new ChoiceDto
+            {
+                Id = choice.Id,
+                Letter = choice.Letter,
+                Content = choice.Content,
+                QuestionId = choice.QuestionId
+            };
+        }
+
+        public static Choice ToEntity(CreateChoiceDto dto)
+        {
+            return new Choice
+            {
+                Id = Guid.NewGuid().ToString(),
+                Letter = dto.Letter,
+                Content = dto.Content,
+            };
+        }
+    }
+}
+#endif

survey-beta/Mappers/Profiles/AnalyticsProfile.cs

@@ -0,0 +1,27 @@
+using AutoMapper;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.DTOs.Update;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class AnalyticsProfile : Profile
+    {
+        public AnalyticsProfile()
+        {
+            CreateMap<Response, ResponseDto>()
+                .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.Id))
+                .ForMember(dest => dest.SurveyId, opt => opt.MapFrom(src => src.SurveyId))
+                .ForMember(dest => dest.Answers, opt => opt.MapFrom(src => src.Answers));
+
+            CreateMap<Answer, AnswerDto>()
+                .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.Id))
+                .ForMember(dest => dest.QuestionId, opt => opt.MapFrom(src => src.QuestionId));
+                
+            CreateMap<SurveyAnalytics, SurveyStats>()
+                .ForMember(dest => dest.SurveyId, opt => opt.MapFrom(src => src.SurveyId))
+                .ForMember(dest => dest.TotalResponses, opt => opt.MapFrom(src => src.TotalResponses));
+        }
+    }
+}

survey-beta/Mappers/Profiles/AnswerProfile.cs

@@ -0,0 +1,15 @@
+using AutoMapper;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class AnswerProfile : Profile
+    {
+        public AnswerProfile()
+        {
+            CreateMap<Answer, AnswerDto>();
+        }
+    }
+}

survey-beta/Mappers/Profiles/ChoiceProfile.cs

@@ -0,0 +1,15 @@
+using AutoMapper;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class ChoiceProfile : Profile
+    {
+        public ChoiceProfile()
+        {
+            CreateMap<Choice, ChoiceDto>();
+        }
+    }
+}

survey-beta/Mappers/Profiles/MappingProfile.cs

@@ -0,0 +1,22 @@
+using AutoMapper;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.DTOs.Update;
+using survey_beta.Models;
+
+public class MappingProfile : Profile
+{
+    public MappingProfile()
+    {
+        CreateMap<CreateSurveyDto, Survey>().ForMember(dest => dest.Id, opt => opt.Ignore());
+        CreateMap<CreateQuestionDto, Question>().ForMember(dest => dest.Id, opt => opt.Ignore());
+        CreateMap<CreateChoiceDto, Choice>().ForMember(dest => dest.Id, opt => opt.Ignore());
+
+        CreateMap<Survey, SurveyDto>();
+        CreateMap<Question, QuestionDto>();
+        CreateMap<Choice, ChoiceDto>();
+
+        CreateMap<UpdateSurveyDto, Survey>();
+    }
+}

survey-beta/Mappers/Profiles/QuestionProfile.cs

@@ -0,0 +1,15 @@
+using AutoMapper;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class QuestionProfile : Profile
+    {
+        public QuestionProfile()
+        {
+            CreateMap<Question, QuestionDto>();
+        }
+    }
+}

survey-beta/Mappers/Profiles/ResponseProfile.cs

@@ -0,0 +1,23 @@
+namespace survey_beta.Mappers.Profiles
+{
+    using AutoMapper;
+    using survey_beta.DTOs.Default;
+    using survey_beta.DTOs.Response;
+    using survey_beta.Models;
+    public class ResponseProfile : Profile
+    {
+        public ResponseProfile()
+        {
+            CreateMap<ResponseDto, Response>()
+                .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.Id))
+                .ForMember(dest => dest.SurveyId, opt => opt.MapFrom(src => src.SurveyId))
+                .ForMember(dest => dest.CreatedAt, opt => opt.MapFrom(src => DateTime.UtcNow)) 
+                .ForMember(dest => dest.Answers, opt => opt.MapFrom(src => src.Answers));
+
+            CreateMap<AnswerDto, Answer>()
+                .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.Id))
+                .ForMember(dest => dest.ResponseId, opt => opt.MapFrom(src => src.ResponseId))
+                .ForMember(dest => dest.QuestionId, opt => opt.MapFrom(src => src.QuestionId));
+        }
+    }
+}

survey-beta/Mappers/Profiles/SurveyProfile.cs

@@ -0,0 +1,17 @@
+using AutoMapper;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class SurveyProfile : Profile
+    {
+        public SurveyProfile()
+        {
+            CreateMap<Survey, SurveyDto>();
+            CreateMap<CreateSurveyDto, Survey>();
+        }
+    }
+}

survey-beta/Mappers/Profiles/UserProfile.cs

@@ -0,0 +1,16 @@
+using AutoMapper;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers.Profiles
+{
+    public class UserProfile : Profile
+    {
+        public UserProfile()
+        {
+            CreateMap<User, UserDto>(); 
+            CreateMap<CreateUserDto, User>();
+        }
+    }
+}

survey-beta/Mappers/QuestionMapper.cs

@@ -0,0 +1,32 @@
+#if false
+
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers
+{
+    public class QuestionMapper
+    {
+        public static QuestionDto ToDto(Question question)
+        {
+            return new QuestionDto
+            {
+                Id = question.Id,
+                Content = question.Content,
+                SurveyId = question.SurveyId
+            };
+        }
+
+        public static Question ToEntity(CreateQuestionDto dto)
+        {
+            return new Question
+            {
+                Id = Guid.NewGuid().ToString(),
+                Content = dto.Content,
+               // SurveyId = dto.SurveyId
+            };
+        }
+    }
+}
+#endif

survey-beta/Mappers/ResponseMapper.cs

@@ -0,0 +1,31 @@
+#if false
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers
+{
+    public class ResponseMapper
+    {
+        public static ResponseDto ToDto(Response response)
+        {
+            return new ResponseDto
+            {
+                Id = response.Id,
+               // IpAddress = response.IpAddress,
+                SurveyId = response.SurveyId
+            };
+        }
+
+        public static Response ToEntity(CreateResponseDto dto)
+        {
+            return new Response
+            {
+                Id = Guid.NewGuid().ToString(),
+                //IpAddress = dto.IpAddress,
+                SurveyId = dto.SurveyId
+            };
+        }
+    }
+}
+#endif

survey-beta/Mappers/SurveyMapper.cs

@@ -0,0 +1,38 @@
+#if false
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers
+{
+    public class SurveyMapper
+    {
+        public static SurveyDto ToDto(Survey survey)
+        {
+            return new SurveyDto
+            {
+                Id = survey.Id,
+                Title = survey.Title,
+                Description = survey.Description,
+                Category = survey.Category,
+                IsPublished = survey.IsPublished,
+                AuthorId = survey.AuthorId
+            };
+        }
+
+        public static Survey ToEntity(CreateSurveyDto dto, string authorId)
+        {
+            return new Survey
+            {
+                Id = Guid.NewGuid().ToString(),
+                Title = dto.Title,
+                Description = dto.Description,
+                Category = dto.Category,
+                ExpirationDate = dto.ExpirationDate,
+                IsPublished = false,
+                AuthorId = authorId
+            };
+        }
+    }
+}
+#endif

survey-beta/Mappers/UserMapper.cs

@@ -0,0 +1,37 @@
+#if false
+using Microsoft.AspNetCore.Identity;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+
+namespace survey_beta.Mappers
+{
+    public class UserMapper
+    {
+        public static UserDto ToDto(User user)
+        {
+            return new UserDto
+            {
+                Id = user.Id,
+                Email = user.Email,
+                Username = user.UserName,
+                Fullname = user.Fullname
+            };
+        }
+
+        public static User ToEntity(CreateUserDto dto, IPasswordHasher<User> passwordHasher)
+        {
+            var user = new User
+            {
+                Id = Guid.NewGuid().ToString(),
+                Email = dto.Email,
+                UserName = dto.Username,
+                Fullname = dto.Fullname,
+            };
+
+            user.PasswordHash = passwordHasher.HashPassword(user, dto.Password);
+            return user;
+        }
+    }
+}
+#endif

survey-beta/Migrations/20250126102512_intit.Designer.cs

@@ -0,0 +1,307 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250126102512_intit")]
+    partial class intit
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasColumnType("text");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("User");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Responses")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+
+                    b.Navigation("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250126102512_intit.cs

@@ -0,0 +1,212 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class intit : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "User",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Username = table.Column<string>(type: "text", nullable: true),
+                    Fullname = table.Column<string>(type: "text", nullable: true),
+                    Email = table.Column<string>(type: "text", nullable: true),
+                    PasswordHash = table.Column<string>(type: "text", nullable: true),
+                    UserName = table.Column<string>(type: "text", nullable: true),
+                    NormalizedUserName = table.Column<string>(type: "text", nullable: true),
+                    NormalizedEmail = table.Column<string>(type: "text", nullable: true),
+                    EmailConfirmed = table.Column<bool>(type: "boolean", nullable: false),
+                    SecurityStamp = table.Column<string>(type: "text", nullable: true),
+                    ConcurrencyStamp = table.Column<string>(type: "text", nullable: true),
+                    PhoneNumber = table.Column<string>(type: "text", nullable: true),
+                    PhoneNumberConfirmed = table.Column<bool>(type: "boolean", nullable: false),
+                    TwoFactorEnabled = table.Column<bool>(type: "boolean", nullable: false),
+                    LockoutEnd = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: true),
+                    LockoutEnabled = table.Column<bool>(type: "boolean", nullable: false),
+                    AccessFailedCount = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_User", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Surveys",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Title = table.Column<string>(type: "text", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    Category = table.Column<string>(type: "text", nullable: false),
+                    ExpirationDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsPublished = table.Column<bool>(type: "boolean", nullable: false),
+                    AuthorId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Surveys", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Surveys_User_AuthorId",
+                        column: x => x.AuthorId,
+                        principalTable: "User",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Questions",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Content = table.Column<string>(type: "text", nullable: false),
+                    SurveyId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Questions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Questions_Surveys_SurveyId",
+                        column: x => x.SurveyId,
+                        principalTable: "Surveys",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Responses",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    IpAddress = table.Column<string>(type: "text", nullable: false),
+                    SurveyId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Responses", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Responses_Surveys_SurveyId",
+                        column: x => x.SurveyId,
+                        principalTable: "Surveys",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Choices",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Letter = table.Column<string>(type: "text", nullable: false),
+                    Content = table.Column<string>(type: "text", nullable: false),
+                    QuestionId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Choices", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Choices_Questions_QuestionId",
+                        column: x => x.QuestionId,
+                        principalTable: "Questions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Answers",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    ResponseId = table.Column<string>(type: "text", nullable: false),
+                    QuestionId = table.Column<string>(type: "text", nullable: false),
+                    ChoiceId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Answers", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Answers_Choices_ChoiceId",
+                        column: x => x.ChoiceId,
+                        principalTable: "Choices",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Answers_Questions_QuestionId",
+                        column: x => x.QuestionId,
+                        principalTable: "Questions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Answers_Responses_ResponseId",
+                        column: x => x.ResponseId,
+                        principalTable: "Responses",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Answers_ChoiceId",
+                table: "Answers",
+                column: "ChoiceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Answers_QuestionId",
+                table: "Answers",
+                column: "QuestionId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Answers_ResponseId",
+                table: "Answers",
+                column: "ResponseId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Choices_QuestionId",
+                table: "Choices",
+                column: "QuestionId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Questions_SurveyId",
+                table: "Questions",
+                column: "SurveyId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Responses_SurveyId",
+                table: "Responses",
+                column: "SurveyId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Surveys_AuthorId",
+                table: "Surveys",
+                column: "AuthorId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Answers");
+
+            migrationBuilder.DropTable(
+                name: "Choices");
+
+            migrationBuilder.DropTable(
+                name: "Responses");
+
+            migrationBuilder.DropTable(
+                name: "Questions");
+
+            migrationBuilder.DropTable(
+                name: "Surveys");
+
+            migrationBuilder.DropTable(
+                name: "User");
+        }
+    }
+}

survey-beta/Migrations/20250128174252_Controllers.Designer.cs

@@ -0,0 +1,502 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250128174252_Controllers")]
+    partial class Controllers
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Responses")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+
+                    b.Navigation("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250128174252_Controllers.cs

@@ -0,0 +1,332 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class Controllers : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Surveys_User_AuthorId",
+                table: "Surveys");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_User",
+                table: "User");
+
+            migrationBuilder.RenameTable(
+                name: "User",
+                newName: "AspNetUsers");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NormalizedUserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NormalizedEmail",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_AspNetUsers",
+                table: "AspNetUsers",
+                column: "Id");
+
+            migrationBuilder.CreateTable(
+                name: "AspNetRoles",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Name = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    NormalizedName = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    ConcurrencyStamp = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetRoles", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserClaims",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<string>(type: "text", nullable: false),
+                    ClaimType = table.Column<string>(type: "text", nullable: true),
+                    ClaimValue = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserClaims", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AspNetUserClaims_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserLogins",
+                columns: table => new
+                {
+                    LoginProvider = table.Column<string>(type: "text", nullable: false),
+                    ProviderKey = table.Column<string>(type: "text", nullable: false),
+                    ProviderDisplayName = table.Column<string>(type: "text", nullable: true),
+                    UserId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserLogins", x => new { x.LoginProvider, x.ProviderKey });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserLogins_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserTokens",
+                columns: table => new
+                {
+                    UserId = table.Column<string>(type: "text", nullable: false),
+                    LoginProvider = table.Column<string>(type: "text", nullable: false),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Value = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserTokens", x => new { x.UserId, x.LoginProvider, x.Name });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserTokens_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetRoleClaims",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RoleId = table.Column<string>(type: "text", nullable: false),
+                    ClaimType = table.Column<string>(type: "text", nullable: true),
+                    ClaimValue = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetRoleClaims", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AspNetRoleClaims_AspNetRoles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "AspNetRoles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AspNetUserRoles",
+                columns: table => new
+                {
+                    UserId = table.Column<string>(type: "text", nullable: false),
+                    RoleId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AspNetUserRoles", x => new { x.UserId, x.RoleId });
+                    table.ForeignKey(
+                        name: "FK_AspNetUserRoles_AspNetRoles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "AspNetRoles",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_AspNetUserRoles_AspNetUsers_UserId",
+                        column: x => x.UserId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "EmailIndex",
+                table: "AspNetUsers",
+                column: "NormalizedEmail");
+
+            migrationBuilder.CreateIndex(
+                name: "UserNameIndex",
+                table: "AspNetUsers",
+                column: "NormalizedUserName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetRoleClaims_RoleId",
+                table: "AspNetRoleClaims",
+                column: "RoleId");
+
+            migrationBuilder.CreateIndex(
+                name: "RoleNameIndex",
+                table: "AspNetRoles",
+                column: "NormalizedName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserClaims_UserId",
+                table: "AspNetUserClaims",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserLogins_UserId",
+                table: "AspNetUserLogins",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AspNetUserRoles_RoleId",
+                table: "AspNetUserRoles",
+                column: "RoleId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Surveys_AspNetUsers_AuthorId",
+                table: "Surveys",
+                column: "AuthorId",
+                principalTable: "AspNetUsers",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Surveys_AspNetUsers_AuthorId",
+                table: "Surveys");
+
+            migrationBuilder.DropTable(
+                name: "AspNetRoleClaims");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserClaims");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserLogins");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserRoles");
+
+            migrationBuilder.DropTable(
+                name: "AspNetUserTokens");
+
+            migrationBuilder.DropTable(
+                name: "AspNetRoles");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_AspNetUsers",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropIndex(
+                name: "EmailIndex",
+                table: "AspNetUsers");
+
+            migrationBuilder.DropIndex(
+                name: "UserNameIndex",
+                table: "AspNetUsers");
+
+            migrationBuilder.RenameTable(
+                name: "AspNetUsers",
+                newName: "User");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "UserName",
+                table: "User",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NormalizedUserName",
+                table: "User",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NormalizedEmail",
+                table: "User",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Email",
+                table: "User",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_User",
+                table: "User",
+                column: "Id");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Surveys_User_AuthorId",
+                table: "Surveys",
+                column: "AuthorId",
+                principalTable: "User",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

survey-beta/Migrations/20250131114349_ControllersServices.Designer.cs

@@ -0,0 +1,500 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250131114349_ControllersServices")]
+    partial class ControllersServices
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Responses")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+
+                    b.Navigation("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250131114349_ControllersServices.cs

@@ -0,0 +1,77 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class ControllersServices : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "UserName",
+                table: "AspNetUsers");
+
+            migrationBuilder.RenameColumn(
+                name: "Username",
+                table: "AspNetUsers",
+                newName: "UserName");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "character varying(255)",
+                maxLength: 255,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.RenameColumn(
+                name: "UserName",
+                table: "AspNetUsers",
+                newName: "Username");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(255)",
+                oldMaxLength: 255);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Username",
+                table: "AspNetUsers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true);
+        }
+    }
+}

survey-beta/Migrations/20250131180518_ControllersServices2.Designer.cs

@@ -0,0 +1,560 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250131180518_ControllersServices2")]
+    partial class ControllersServices2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("Surveys", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveysId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.HasIndex("SurveysId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Surveys", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany()
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Surveys", null)
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveysId");
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Responses")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("Surveys", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+
+                    b.Navigation("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250131180518_ControllersServices2.cs

@@ -0,0 +1,164 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class ControllersServices2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Surveys_SurveyId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "ExpirationDate",
+                table: "Surveys",
+                type: "timestamp with time zone",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(255)",
+                oldMaxLength: 255);
+
+            migrationBuilder.AddColumn<string>(
+                name: "SurveysId",
+                table: "Questions",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "Survey",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    Title = table.Column<string>(type: "text", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    Category = table.Column<string>(type: "text", nullable: false),
+                    ExpirationDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsPublished = table.Column<bool>(type: "boolean", nullable: false),
+                    AuthorId = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Survey", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Survey_AspNetUsers_AuthorId",
+                        column: x => x.AuthorId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Questions_SurveysId",
+                table: "Questions",
+                column: "SurveysId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Survey_AuthorId",
+                table: "Survey",
+                column: "AuthorId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Survey_SurveyId",
+                table: "Questions",
+                column: "SurveyId",
+                principalTable: "Survey",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Surveys_SurveysId",
+                table: "Questions",
+                column: "SurveysId",
+                principalTable: "Surveys",
+                principalColumn: "Id");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Survey_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Survey",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Survey_SurveyId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Surveys_SurveysId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Survey_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.DropTable(
+                name: "Survey");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Questions_SurveysId",
+                table: "Questions");
+
+            migrationBuilder.DropColumn(
+                name: "SurveysId",
+                table: "Questions");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "ExpirationDate",
+                table: "Surveys",
+                type: "timestamp with time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "character varying(255)",
+                maxLength: 255,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Surveys_SurveyId",
+                table: "Questions",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

survey-beta/Migrations/20250131190914_Con.Designer.cs

@@ -0,0 +1,500 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250131190914_Con")]
+    partial class Con
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250131190914_Con.cs

@@ -0,0 +1,169 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class Con : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Survey_SurveyId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Surveys_SurveysId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Survey_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.DropTable(
+                name: "Survey");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Questions_SurveysId",
+                table: "Questions");
+
+            migrationBuilder.DropColumn(
+                name: "SurveysId",
+                table: "Questions");
+
+            migrationBuilder.RenameColumn(
+                name: "UserName",
+                table: "AspNetUsers",
+                newName: "Username");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Username",
+                table: "AspNetUsers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Surveys_SurveyId",
+                table: "Questions",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Questions_Surveys_SurveyId",
+                table: "Questions");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.DropColumn(
+                name: "UserName",
+                table: "AspNetUsers");
+
+            migrationBuilder.RenameColumn(
+                name: "Username",
+                table: "AspNetUsers",
+                newName: "UserName");
+
+            migrationBuilder.AddColumn<string>(
+                name: "SurveysId",
+                table: "Questions",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "Survey",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    AuthorId = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    Category = table.Column<string>(type: "text", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    ExpirationDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsPublished = table.Column<bool>(type: "boolean", nullable: false),
+                    Title = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Survey", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Survey_AspNetUsers_AuthorId",
+                        column: x => x.AuthorId,
+                        principalTable: "AspNetUsers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Questions_SurveysId",
+                table: "Questions",
+                column: "SurveysId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Survey_AuthorId",
+                table: "Survey",
+                column: "AuthorId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Survey_SurveyId",
+                table: "Questions",
+                column: "SurveyId",
+                principalTable: "Survey",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Questions_Surveys_SurveysId",
+                table: "Questions",
+                column: "SurveysId",
+                principalTable: "Surveys",
+                principalColumn: "Id");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Survey_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Survey",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

survey-beta/Migrations/20250131192348_AddFullnameToUser.Designer.cs

@@ -0,0 +1,498 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250131192348_AddFullnameToUser")]
+    partial class AddFullnameToUser
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250131192348_AddFullnameToUser.cs

@@ -0,0 +1,77 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddFullnameToUser : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "UserName",
+                table: "AspNetUsers");
+
+            migrationBuilder.RenameColumn(
+                name: "Username",
+                table: "AspNetUsers",
+                newName: "UserName");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Fullname",
+                table: "AspNetUsers",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.RenameColumn(
+                name: "UserName",
+                table: "AspNetUsers",
+                newName: "Username");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Username",
+                table: "AspNetUsers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(256)",
+                oldMaxLength: 256,
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Fullname",
+                table: "AspNetUsers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddColumn<string>(
+                name: "UserName",
+                table: "AspNetUsers",
+                type: "character varying(256)",
+                maxLength: 256,
+                nullable: true);
+        }
+    }
+}

survey-beta/Migrations/20250131221823_responses.Designer.cs

@@ -0,0 +1 @@
+

survey-beta/Migrations/20250131221823_responses.cs

@@ -0,0 +1,52 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class responses : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "CreatedAt",
+                table: "Responses",
+                type: "timestamp with time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+
+            migrationBuilder.AddColumn<string>(
+                name: "Text",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Type",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CreatedAt",
+                table: "Responses");
+
+            migrationBuilder.DropColumn(
+                name: "Text",
+                table: "Questions");
+
+            migrationBuilder.DropColumn(
+                name: "Type",
+                table: "Questions");
+        }
+    }
+}

survey-beta/Migrations/20250201210414_Serviecs.Designer.cs

@@ -0,0 +1,507 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250201210414_Serviecs")]
+    partial class Serviecs
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250201210414_Serviecs.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class Serviecs : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorId",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+    }
+}

survey-beta/Migrations/20250201210920_Serviecs2.Designer.cs

@@ -0,0 +1,495 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250201210920_Serviecs2")]
+    partial class Serviecs2
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("IpAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250201210920_Serviecs2.cs

@@ -0,0 +1,198 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class Serviecs2 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Title",
+                table: "Surveys",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "Surveys",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Category",
+                table: "Surveys",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Type",
+                table: "Questions",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Text",
+                table: "Questions",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Questions",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Content",
+                table: "Questions",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "QuestionId",
+                table: "Choices",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Letter",
+                table: "Choices",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Content",
+                table: "Choices",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Title",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Category",
+                table: "Surveys",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Type",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Text",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Content",
+                table: "Questions",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "QuestionId",
+                table: "Choices",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Letter",
+                table: "Choices",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Content",
+                table: "Choices",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+    }
+}

survey-beta/Migrations/20250202101403_reomveIp.Designer.cs

@@ -0,0 +1,491 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250202101403_reomveIp")]
+    partial class reomveIp
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250202101403_reomveIp.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class reomveIp : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "IpAddress",
+                table: "Responses");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "IpAddress",
+                table: "Responses",
+                type: "text",
+                nullable: false,
+                defaultValue: "");
+        }
+    }
+}

survey-beta/Migrations/20250204184529_answer.Designer.cs

@@ -0,0 +1,485 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250204184529_answer")]
+    partial class answer
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("IpAddress")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId");
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250204184529_answer.cs

@@ -0,0 +1,123 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class answer : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Responses",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddColumn<string>(
+                name: "IpAddress",
+                table: "Responses",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "ResponseId",
+                table: "Answers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "QuestionId",
+                table: "Answers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "ChoiceId",
+                table: "Answers",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.DropColumn(
+                name: "IpAddress",
+                table: "Responses");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Responses",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "ResponseId",
+                table: "Answers",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "QuestionId",
+                table: "Answers",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "ChoiceId",
+                table: "Answers",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+    }
+}

survey-beta/Migrations/20250205124722_Choice.Designer.cs

@@ -0,0 +1,487 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20250205124722_Choice")]
+    partial class Choice
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("IpAddress")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId");
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Migrations/20250205124722_Choice.cs

@@ -0,0 +1,82 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    /// <inheritdoc />
+    public partial class Choice : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Answers_Responses_ResponseId",
+                table: "Answers");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Responses",
+                type: "text",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Answers_Responses_ResponseId",
+                table: "Answers",
+                column: "ResponseId",
+                principalTable: "Responses",
+                principalColumn: "Id");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Answers_Responses_ResponseId",
+                table: "Answers");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "SurveyId",
+                table: "Responses",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Answers_Responses_ResponseId",
+                table: "Answers",
+                column: "ResponseId",
+                principalTable: "Responses",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Responses_Surveys_SurveyId",
+                table: "Responses",
+                column: "SurveyId",
+                principalTable: "Surveys",
+                principalColumn: "Id");
+        }
+    }
+}

survey-beta/Migrations/AppDbContextModelSnapshot.cs

@@ -0,0 +1,484 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using survey_beta.DataBaseContext;
+
+#nullable disable
+
+namespace survey_beta.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChoiceId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ResponseId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ChoiceId");
+
+                    b.HasIndex("QuestionId");
+
+                    b.HasIndex("ResponseId");
+
+                    b.ToTable("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Letter")
+                        .HasColumnType("text");
+
+                    b.Property<string>("QuestionId")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QuestionId");
+
+                    b.ToTable("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Text")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("IpAddress")
+                        .HasColumnType("text");
+
+                    b.Property<string>("SurveyId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SurveyId");
+
+                    b.ToTable("Responses");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Category")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime?>("ExpirationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsPublished")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.ToTable("Surveys");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Fullname")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Answer", b =>
+                {
+                    b.HasOne("survey_beta.Models.Choice", "Choice")
+                        .WithMany()
+                        .HasForeignKey("ChoiceId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany()
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.HasOne("survey_beta.Models.Response", "Response")
+                        .WithMany("Answers")
+                        .HasForeignKey("ResponseId");
+
+                    b.Navigation("Choice");
+
+                    b.Navigation("Question");
+
+                    b.Navigation("Response");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Choice", b =>
+                {
+                    b.HasOne("survey_beta.Models.Question", "Question")
+                        .WithMany("Choices")
+                        .HasForeignKey("QuestionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Question");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany("Questions")
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.HasOne("survey_beta.Models.Survey", "Survey")
+                        .WithMany()
+                        .HasForeignKey("SurveyId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Survey");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.HasOne("survey_beta.Models.User", "Author")
+                        .WithMany("Surveys")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Question", b =>
+                {
+                    b.Navigation("Choices");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Response", b =>
+                {
+                    b.Navigation("Answers");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.Survey", b =>
+                {
+                    b.Navigation("Questions");
+                });
+
+            modelBuilder.Entity("survey_beta.Models.User", b =>
+                {
+                    b.Navigation("Surveys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

survey-beta/Models/Answer.cs

@@ -1,13 +1,15 @@
-namespace survey_beta.Models
+using System;
+
+namespace survey_beta.Models
 {
     public class Answer
     {
-        public string Id { get; set; }
-        public string ResponseId { get; set; }
-        public Response Response { get; set; }
-        public string QuestionId { get; set; }
-        public Question Question { get; set; }
-        public string ChoiceId { get; set; }
-        public Choice Choice { get; set; }
+        public string? Id { get; set; } = Guid.NewGuid().ToString();
+        public string? ResponseId { get; set; }
+        public Response? Response { get; set; }
+        public string? QuestionId { get; set; }
+        public Question? Question { get; set; }
+        public string? ChoiceId { get; set; }
+        public Choice? Choice { get; set; }
     }
 }

survey-beta/Models/Choice.cs

@@ -1,11 +1,13 @@
-namespace survey_beta.Models
+using System;
+
+namespace survey_beta.Models
 {
     public class Choice
     {
-        public string Id { get; set; }
-        public string Letter { get; set; }
-        public string Content { get; set; }
-        public string QuestionId { get; set; }
-        public Question Question { get; set; }
+        public string? Id { get; set; } = Guid.NewGuid().ToString();
+        public string? Letter { get; set; }
+        public string? Content { get; set; }
+        public string? QuestionId { get; set; }
+        public Question? Question { get; set; }
     }
 }

survey-beta/Models/Question.cs

@@ -1,11 +1,18 @@
-namespace survey_beta.Models
+using System;
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace survey_beta.Models
 {
     public class Question
     {
-        public string Id { get; set; }
-        public string Content { get; set; }
-        public string SurveyId { get; set; }
-        public Survey Survey { get; set; }
-        public ICollection<Choice> Choices { get; set; }
+        public string? Id { get; set; } = Guid.NewGuid().ToString();
+        public string? Content { get; set; }
+        public string? Text { get; set; }
+        public string? Type { get; set; }
+        public string? SurveyId { get; set; }
+        [JsonIgnore]
+        public Survey? Survey { get; set; }
+        public ICollection<Choice> Choices { get; set; } = new List<Choice>();
     }
 }

survey-beta/Models/Response.cs

@@ -1,11 +1,15 @@
-namespace survey_beta.Models
+using System;
+using System.Collections.Generic;
+
+namespace survey_beta.Models
 {
     public class Response
     {
-        public string Id { get; set; }
-        public string IpAddress { get; set; }
+        public string Id { get; set; } = Guid.NewGuid().ToString();
+        public string? IpAddress { get; set; }
         public string SurveyId { get; set; }
-        public Survey Survey { get; set; }
-        public ICollection<Answer> Answers { get; set; }
+        public Survey? Survey { get; set; }
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        public ICollection<Answer> Answers { get; set; } = new List<Answer>();
     }
 }

survey-beta/Models/Survey.cs

@@ -1,16 +1,18 @@
-namespace survey_beta.Models
+using System;
+using System.Collections.Generic;
+
+namespace survey_beta.Models
 {
     public class Survey
     {
-        public string Id { get; set; }
-        public string Title { get; set; }
-        public string Description { get; set; }
-        public string Category { get; set; }
-        public DateTime ExpirationDate { get; set; }
+        public string? Id { get; set; } = Guid.NewGuid().ToString();
+        public string? Title { get; set; }
+        public string? Description { get; set; }
+        public string? Category { get; set; }
+        public DateTime? ExpirationDate { get; set; }
         public bool IsPublished { get; set; }
-        public string AuthorId { get; set; }
-        public User Author { get; set; }
-        public ICollection<Question> Questions { get; set; }
-        public ICollection<Response> Responses { get; set; }
+        public string? AuthorId { get; set; }
+        public User? Author { get; set; }
+        public ICollection<Question>? Questions { get; set; }
     }
 }

survey-beta/Models/User.cs

@@ -1,13 +1,10 @@
-namespace survey_beta.Models
-{
-    public class User
-    {
-        public string? Id { get; set; }
-        public string? Username { get; set; }
-        public string? Fullname { get; set; }
-        public string? Email { get; set; }
-        public string? PasswordHash { get; set; }
-        public ICollection<Survey> Surveys { get; set; } = new List<Survey>();
+using Microsoft.AspNetCore.Identity;
 
+namespace survey_beta.Models
+{
+    public class User : IdentityUser
+    {
+        public string Fullname { get; set; }
+        public ICollection<Survey> Surveys { get; set; } = new List<Survey>();
     }
 }

survey-beta/Program.cs

@@ -1,23 +1,91 @@
+using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.IdentityModel.Tokens;
 using survey_beta.DataBaseContext;
+using survey_beta.Mappers.Profiles;
+using survey_beta.Models;
+using System.Text;
 
 var builder = WebApplication.CreateBuilder(args);
-
-// Add services to the container
 builder.Services.AddDbContext<AppDbContext>(options =>
     options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
-
+// Add services to the container.
 builder.Services.AddControllers();
-builder.Services.AddEndpointsApiExplorer(); 
 
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.AddSecurityDefinition("Bearer", new Microsoft.OpenApi.Models.OpenApiSecurityScheme
+    {
+        In = Microsoft.OpenApi.Models.ParameterLocation.Header,
+        Description = "Please enter JWT with Bearer into field",
+        Name = "Authorization",
+        Type = Microsoft.OpenApi.Models.SecuritySchemeType.ApiKey
+    });
+
+    c.AddSecurityRequirement(new Microsoft.OpenApi.Models.OpenApiSecurityRequirement
+    {
+        {
+            new Microsoft.OpenApi.Models.OpenApiSecurityScheme
+            {
+                Reference = new Microsoft.OpenApi.Models.OpenApiReference
+                {
+                    Type = Microsoft.OpenApi.Models.ReferenceType.SecurityScheme,
+                    Id = "Bearer"
+                }
+            },
+            new string[] {}
+        }
+    });
+});
+
+builder.Services.AddIdentity<User, IdentityRole>()
+    .AddEntityFrameworkStores<AppDbContext>()
+    .AddDefaultTokenProviders();
+
+builder.Services.AddAuthentication(options =>
+{
+    options.DefaultAuthenticateScheme = Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerDefaults.AuthenticationScheme;
+    options.DefaultChallengeScheme = Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerDefaults.AuthenticationScheme;
+})
+.AddJwtBearer(options =>
+{
+    options.TokenValidationParameters = new TokenValidationParameters
+    {
+        ValidateIssuer = true,
+        ValidateAudience = true,
+        ValidateLifetime = true,
+        ValidIssuer = builder.Configuration["Jwt:Issuer"],
+        ValidAudience = builder.Configuration["Jwt:Audience"],
+        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(builder.Configuration["Jwt:Key"]))
+    };
+});
+
+builder.Services.AddScoped<UsersServices>();
+builder.Services.AddScoped<SurveyService>();
+builder.Services.AddScoped<ResponsesService>();
+builder.Services.AddScoped<AnalyticsServices>();
+builder.Services.AddAutoMapper(typeof(MappingProfile));
+builder.Services.AddAutoMapper(typeof(UserProfile));
+builder.Services.AddAutoMapper(typeof(ResponseProfile));
+builder.Services.AddAutoMapper(typeof(AnalyticsProfile));
+builder.Services.AddAutoMapper(typeof(AnswerProfile));
+builder.Services.AddAutoMapper(typeof(ChoiceProfile));
+builder.Services.AddAutoMapper(typeof(QuestionProfile));
+builder.Services.AddAutoMapper(typeof(SurveyProfile));
 var app = builder.Build();
 
-// Configure the HTTP request pipeline.
+// HTTP request pipeline
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
 
 app.UseHttpsRedirection();
-
+app.UseAuthentication();
 app.UseAuthorization();
-
 app.MapControllers();
 
 app.Run();

survey-beta/Properties/launchSettings.json

@@ -23,7 +23,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "applicationUrl": "https://localhost:7002;http://localhost:5036",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"

survey-beta/Services/AnalyticsServices.cs

@@ -0,0 +1,129 @@
+using AutoMapper;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using survey_beta.DataBaseContext;
+using survey_beta.DTOs.Default;
+using survey_beta.DTOs.Update;
+using survey_beta.Models;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+public class AnalyticsServices
+{
+    private readonly AppDbContext _context;
+    private readonly IMapper _mapper;
+
+    public AnalyticsServices(AppDbContext context, IMapper mapper)
+    {
+        _context = context;
+        _mapper = mapper;
+    }
+
+    public void UpdateAnalytics(string surveyId)
+    {
+        var responses = _context.Responses
+            .Where(r => r.SurveyId == surveyId)
+            .Include(r => r.Answers)
+                .ThenInclude(a => a.Choice)
+            .ToList();
+
+        var analyticsData = CalculateAnalytics(responses);
+
+        SaveAnalytics(surveyId, analyticsData);
+    }
+
+    private SurveyStats CalculateAnalytics(List<Response> responses)
+    {
+        var answerFrequency = new Dictionary<string, int>();
+        var questionFrequency = new Dictionary<string, int>();
+
+        foreach (var response in responses)
+        {
+            foreach (var answer in response.Answers)
+            {
+                var choiceText = answer.Choice?.Letter;
+                if (!string.IsNullOrEmpty(choiceText))
+                {
+                    if (answerFrequency.ContainsKey(choiceText))
+                        answerFrequency[choiceText]++;
+                    else
+                        answerFrequency[choiceText] = 1;
+                }
+
+                var questionText = answer.Question?.Text;
+                if (!string.IsNullOrEmpty(questionText))
+                {
+                    if (questionFrequency.ContainsKey(questionText))
+                        questionFrequency[questionText]++;
+                    else
+                        questionFrequency[questionText] = 1;
+                }
+            }
+        }
+
+        return new SurveyStats
+        {
+            SurveyId = responses.FirstOrDefault()?.SurveyId,
+            TotalResponses = responses.Count,
+            AnswerFrequency = answerFrequency,
+            QuestionFrequency = questionFrequency
+        };
+    }
+
+    private void SaveAnalytics(string surveyId, SurveyStats analyticsData)
+    {
+        var analytics = _mapper.Map<SurveyAnalytics>(analyticsData);
+        analytics.SurveyId = surveyId;
+        analytics.CreatedAt = DateTime.UtcNow;
+
+        _context.Add(analytics);
+        _context.SaveChanges();
+    }
+
+    public SurveyStats GetAggregatedSurveyResponses(string surveyId)
+    {
+        var responses = _context.Responses
+            .Where(r => r.SurveyId == surveyId)
+            .Include(r => r.Answers)
+                .ThenInclude(a => a.Choice)
+            .ToList();
+
+        return CalculateAnalytics(responses);
+    }
+
+    public async Task<IActionResult> ExportResponsesToCsv(string surveyId)
+    {
+        var responses = await _context.Responses
+            .Where(r => r.SurveyId == surveyId)
+            .Include(r => r.Answers)
+            .ThenInclude(a => a.Question)
+            .Include(r => r.Answers)
+            .ThenInclude(a => a.Choice)
+            .ToListAsync();
+
+        var csvLines = new List<string>
+    {
+        "ResponseId,Question,ChoiceText"
+    };
+
+        foreach (var response in responses)
+        {
+            foreach (var answer in response.Answers)
+            {
+                var questionText = answer.Question.Content;
+                csvLines.Add($"{response.Id},{questionText}");
+            }
+        }
+
+        var fileName = "Survey_Responses.csv";
+        var fileBytes = Encoding.UTF8.GetBytes(string.Join(Environment.NewLine, csvLines));
+
+        return new FileContentResult(fileBytes, "text/csv")
+        {
+            FileDownloadName = fileName
+        };
+    }
+}

survey-beta/Services/ResponsesServices.cs

@@ -0,0 +1,51 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using survey_beta.DataBaseContext;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+public class ResponsesService
+{
+    private readonly AppDbContext _context;
+    private readonly IMapper _mapper;
+
+    public ResponsesService(AppDbContext context, IMapper mapper)
+    {
+        _context = context;
+        _mapper = mapper;
+    }
+    public async Task AddResponseAsync(ResponseDto responseDto)
+    {
+        var response = new Response
+        {
+            Id = responseDto.Id,
+            SurveyId = responseDto.SurveyId,
+            IpAddress = responseDto.IpAddress,
+            CreatedAt = DateTime.UtcNow,
+        };
+
+        foreach (var answer in responseDto.Answers)
+        {
+            var answerEntity = new Answer
+            {
+                QuestionId = answer.QuestionId,
+                ResponseId = response.Id
+            };
+            response.Answers.Add(answerEntity);
+        }
+
+        await _context.Responses.AddAsync(response);
+        await _context.SaveChangesAsync();
+    }
+    public async Task<List<Response>> GetSurveyResponsesAsync(string surveyId)
+    {
+        return await _context.Responses
+            .Where(r => r.SurveyId == surveyId)
+            .Include(r => r.Answers)
+            .ToListAsync();
+    }
+}

survey-beta/Services/SurveyServices.cs

@@ -0,0 +1,102 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.EntityFrameworkCore;
+using survey_beta.DataBaseContext;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Update;
+using survey_beta.DTOs.Response;
+using survey_beta.Models;
+using AutoMapper;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System;
+using survey_beta.DTOs.Default;
+
+public class SurveyService
+{
+    private readonly AppDbContext _context;
+    private readonly IMapper _mapper;
+    private readonly ResponsesService _responsesService;
+
+    public SurveyService(AppDbContext context, IMapper mapper, ResponsesService responsesService)
+    {
+        _context = context;
+        _mapper = mapper;
+        _responsesService = responsesService;
+    }
+    public async Task<List<SurveyDto>> GetAllSurveysAsync(string id = null)
+    {
+        IQueryable<Survey> query = _context.Surveys.Include(s => s.Questions);
+
+        if (!string.IsNullOrEmpty(id))
+        {
+            query = query.Where(s => s.Id == id);
+        }
+
+        var surveys = await query.ToListAsync();
+        return _mapper.Map<List<SurveyDto>>(surveys);
+    }
+    public async Task<SurveyDto> GetSurveyByIdAsync(string id)
+    {
+        var survey = await _context.Surveys.AsNoTracking()
+            .Include(s => s.Questions)
+            .ThenInclude(q => q.Choices)
+            .FirstOrDefaultAsync(s => s.Id == id);
+
+        return survey == null ? null : _mapper.Map<SurveyDto>(survey);
+    }
+    public async Task<SurveyDto> CreateSurveyAsync(CreateSurveyDto request, string userId)
+    {
+        var survey = _mapper.Map<Survey>(request);
+        survey.Id = Guid.NewGuid().ToString();
+        survey.AuthorId = userId;
+
+        _context.Surveys.Add(survey);
+        await _context.SaveChangesAsync();
+
+        return _mapper.Map<SurveyDto>(survey);
+    }
+    public async Task<bool> UpdateSurveyAsync(UpdateSurveyDto request)
+    {
+        var survey = await _context.Surveys.FindAsync(request.Id);
+        if (survey == null) return false;
+
+        _mapper.Map(request, survey);
+        await _context.SaveChangesAsync();
+        return true;
+    }
+
+    public async Task<bool> PublishSurveyAsync(string id)
+    {
+        var survey = await _context.Surveys.FindAsync(id);
+        if (survey == null) return false;
+
+        survey.IsPublished = true;
+        await _context.SaveChangesAsync();
+        return true;
+    }
+
+    public async Task<bool> UnpublishSurveyAsync(string id)
+    {
+        var survey = await _context.Surveys.FindAsync(id);
+        if (survey == null) return false;
+
+        survey.IsPublished = false;
+        await _context.SaveChangesAsync();
+        return true;
+    }
+
+    public async Task<bool> DeleteSurveyAsync(string id)
+    {
+        var survey = await _context.Surveys.AsNoTracking()
+            .Include(s => s.Questions)
+            .ThenInclude(q => q.Choices)
+            .FirstOrDefaultAsync(s => s.Id == id);
+
+        if (survey == null) return false;
+
+        _context.Surveys.Remove(survey);
+        await _context.SaveChangesAsync();
+        return true;
+    }
+}

survey-beta/Services/UsersServices.cs

@@ -0,0 +1,122 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.IdentityModel.Tokens;
+using survey_beta.DTOs.Create;
+using survey_beta.DTOs.Default;
+using survey_beta.Models;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using AutoMapper;
+
+public class UsersServices
+{
+    private readonly UserManager<User> _userManager;
+    private readonly SignInManager<User> _signInManager;
+    private readonly IConfiguration _configuration;
+    private readonly IMapper _mapper;
+
+    public UsersServices(UserManager<User> userManager, SignInManager<User> signInManager, IConfiguration configuration, IMapper mapper)
+    {
+        _userManager = userManager;
+        _signInManager = signInManager;
+        _configuration = configuration;
+        _mapper = mapper;
+    }
+
+    public async Task<UserDto> CreateUserAsync(CreateUserDto createUserDto)
+    {
+        var existingUser = await _userManager.FindByEmailAsync(createUserDto.Email);
+        if (existingUser != null)
+        {
+            throw new Exception("User with this email already exists.");
+        }
+
+        var user = _mapper.Map<User>(createUserDto);
+
+        var result = await _userManager.CreateAsync(user, createUserDto.Password);
+        if (!result.Succeeded)
+        {
+            throw new Exception("Failed to create user: " + string.Join(", ", result.Errors.Select(e => e.Description)));
+        }
+
+        var userDto = _mapper.Map<UserDto>(user);
+        userDto.Token = GenerateJwtToken(user);
+
+        return userDto;
+    }
+    public async Task<UserDto> SignInAsync(LoginDto loginDto)
+    {
+        var user = await _userManager.FindByNameAsync(loginDto.Username);
+        if (user == null)
+        {
+            throw new Exception("Invalid login attempt.");
+        }
+
+        var result = await _signInManager.PasswordSignInAsync(user, loginDto.Password, false, false);
+        if (!result.Succeeded)
+        {
+            throw new Exception("Invalid login attempt.");
+        }
+
+        var userDto = _mapper.Map<UserDto>(user);
+        userDto.Token = GenerateJwtToken(user);
+
+        return userDto;
+    }
+    public async Task<UserDto> GetUserByIdAsync(string userId)
+    {
+        var user = await _userManager.FindByIdAsync(userId);
+        if (user == null)
+        {
+            throw new Exception("User not found.");
+        }
+
+        return _mapper.Map<UserDto>(user);
+    }
+    public async Task<UserDto> GetUserByUsernameAsync(string username)
+    {
+        var user = await _userManager.FindByNameAsync(username);
+        if (user == null)
+        {
+            throw new Exception("User not found.");
+        }
+
+        return _mapper.Map<UserDto>(user);
+    }
+    private string GenerateJwtToken(User user)
+    {
+        var claims = new[]
+        {
+            new Claim(JwtRegisteredClaimNames.Sub, user.UserName),
+            new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
+            new Claim(ClaimTypes.Email, user.Email),
+            new Claim(ClaimTypes.Name, user.Fullname)
+        };
+
+        var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]));
+        var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
+
+        var token = new JwtSecurityToken(
+            issuer: _configuration["Jwt:Issuer"],
+            audience: _configuration["Jwt:Audience"],
+            claims: claims,
+            expires: DateTime.Now.AddMinutes(30),
+            signingCredentials: creds);
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+
+    public async Task<List<UserDto>> GetAllUsersAsync()
+    {
+        var users = _userManager.Users.ToList();
+        return _mapper.Map<List<UserDto>>(users);
+    }
+
+    public async Task<bool> DeleteUsersAsync(string userid)
+    {
+        var user = await _userManager.FindByIdAsync(userid);
+        if (user == null) return false;
+        var result = await _userManager.DeleteAsync(user);
+        return result.Succeeded;
+    }
+}

survey-beta/appsettings.json

@@ -1,12 +1,11 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
+  "Jwt": {
+    "Key": "YourSuperSecretKeyYourSuperSecretKey",
+    "Issuer": "YourIssuer",
+    "Audience": "YourAudience"
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnection": "Host=localhost;Database=SurveyDB;Username=postgre;Password=MAJEDali645"
+    "DefaultConnection": "Host=localhost;Database=SurveyBeta;Username=postgres;Password=MAJEDali645"
   }
 }