delete answer variants for logic rework

SurveyBackend/SurveyBackend.API/Controllers/QuestionController.cs

@@ -55,4 +55,12 @@ public class QuestionController : ControllerBase
         var result = QuestionMapper.ModelToQuestionDto(model);
         return Ok(result);
     }
+
+    [Authorize]
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> DeleteQuestion([FromRoute] int id, [FromRoute] int surveyId)
+    {
+        await _questionService.DeleteQuestionAsync(id);
+        return Ok();
+    }
 }

SurveyBackend/SurveyBackend.API/DTOs/Question/CreateQuestionDTO.cs

@@ -9,13 +9,9 @@ public class CreateQuestionDto
     /// Название вопроса
     /// </summary>
     public required string Title { get; set; }
+    
     /// <summary>
     /// Тип вопроса
     /// </summary>
     public required string QuestionType { get; set; }
-
-    /// <summary>
-    /// Варианты ответа (только если вопрос с выбором)
-    /// </summary>
-    public List<string>? AnswerVariants { get; set; }
 }

SurveyBackend/SurveyBackend.API/Mappers/QuestionMapper.cs

@@ -30,13 +30,13 @@ public static class QuestionMapper
             {
                 Title = dto.Title,
                 SurveyId = surveyId,
-                AnswerVariants = dto.AnswerVariants?.Select(v => new AnswerVariant { Text = v }).ToList() ?? [],
+                AnswerVariants = [],
             },
             "multipleanswerquestion" => new MultipleAnswerQuestion
             {
                 Title = dto.Title,
                 SurveyId = surveyId,
-                AnswerVariants = dto.AnswerVariants?.Select(v => new AnswerVariant { Text = v }).ToList() ?? []
+                AnswerVariants = []
             },
             _ => throw new BadRequestException("Unknown question type")
         };

SurveyBackend/SurveyBackend.Services/Services/QuestionService.cs

@@ -10,12 +10,14 @@ public class QuestionService : IQuestionService
 {
     private readonly IQuestionRepository _questionRepository;
     private readonly ISurveyRepository _surveyRepository;
+    private readonly IUserContext _userContext;
 
     public QuestionService(IQuestionRepository questionRepository, ISurveyRepository surveyRepository,
         IUserContext userContext)
     {
         _questionRepository = questionRepository;
         _surveyRepository = surveyRepository;
+        _userContext = userContext;
     }
 
     public async Task AddQuestionAsync(QuestionBase question)