implemented custom SurveyService.cs

SurveyBackend/SurveyBackend.API/Controllers/SurveyController.cs

@@ -60,4 +60,13 @@ public class SurveyController : ControllerBase
         await _surveyService.DeleteSurveyAsync(id);
         return Ok();
     }
+
+    [Authorize]
+    [HttpGet("my_surveys")]
+    public async Task<IActionResult> GetMySurveys()
+    {
+        var userId = _userContext.UserId;
+        var result = await _surveyService.GetSurveysByUserIdAsync(userId);
+        return Ok(result);
+    }
 }

SurveyBackend/SurveyBackend.Services/Services/SurveyService.cs

@@ -1,4 +1,6 @@
+using SurveyBackend.Core.Contexts;
 using SurveyBackend.Core.Repositories;
+using SurveyBackend.Services.Exceptions;
 using SurveyLib.Core.Models;
 using SurveyLib.Core.Repositories;
 using SurveyLib.Core.Services;
@@ -8,39 +10,58 @@ namespace SurveyBackend.Services.Services;
 public class SurveyService : ISurveyService
 {
     private readonly ISurveyRepository _surveyRepository;
+    private readonly IUserContext _userContext;
 
-    public SurveyService(ISurveyRepository surveyRepository)
+    public SurveyService(ISurveyRepository surveyRepository, IUserContext userContext)
     {
         _surveyRepository = surveyRepository;
+        _userContext = userContext;
     }
 
     public async Task AddSurveyAsync(Survey survey)
     {
-        throw new NotImplementedException();
+        await _surveyRepository.AddAsync(survey);
     }
 
     public async Task UpdateSurveyAsync(Survey survey)
     {
-        throw new NotImplementedException();
+        if (survey.CreatedBy != _userContext.UserId)
+            throw new UnauthorizedAccessException("You are not authorized to update this survey.");
+        await _surveyRepository.UpdateAsync(survey);
     }
 
     public async Task DeleteSurveyAsync(int id)
     {
-        throw new NotImplementedException();
+        var survey = await _surveyRepository.GetByIdAsync(id);
+        if (survey is null)
+        {
+            throw new NotFoundException("Survey not found");
+        }
+
+        if (survey.CreatedBy != _userContext.UserId)
+        {
+            throw new UnauthorizedAccessException("You are not authorized to delete this survey.");
+        }
     }
 
     public async Task<IEnumerable<Survey>> GetSurveysAsync()
     {
-        throw new NotImplementedException();
+        return await _surveyRepository.GetAllAsync();
     }
 
-    public async Task<Survey?> GetSurveyAsync(int id)
+    public async Task<Survey> GetSurveyAsync(int id)
     {
-        throw new NotImplementedException();
+        var survey = await _surveyRepository.GetByIdAsync(id);
+        if (survey is null)
+        {
+            throw new NotFoundException("Survey not found");
+        }
+
+        return survey;
     }
 
     public async Task<IEnumerable<Survey>> GetSurveysByUserIdAsync(int userId)
     {
-        throw new NotImplementedException();
+        return await _surveyRepository.GetSurveysByUserIdAsync(userId);
     }
 }