add AnswerVariantsService.cs

SurveyBackend/SurveyBackend.Services/Services/AnswerVariantsService.cs

@@ -0,0 +1,40 @@
+using SurveyLib.Core.Models;
+using SurveyLib.Core.Repositories;
+using SurveyLib.Core.Services;
+
+namespace SurveyBackend.Services.Services;
+
+public class AnswerVariantsService : IAnswerVariantsService
+{
+    private readonly IAnswerVariantsRepository _answerVariantsRepository;
+
+    public AnswerVariantsService(IAnswerVariantsRepository answerVariantsRepository)
+    {
+        _answerVariantsRepository = answerVariantsRepository;
+    }
+
+    public async Task AddAnswerVariantAsync(AnswerVariant answerVariant)
+    {
+        await _answerVariantsRepository.AddAsync(answerVariant);
+    }
+
+    public async Task UpdateAnswerVariantAsync(AnswerVariant answerVariant)
+    {
+        await _answerVariantsRepository.UpdateAsync(answerVariant);
+    }
+
+    public async Task DeleteAnswerVariantAsync(int id)
+    {
+        await _answerVariantsRepository.DeleteAsync(id);
+    }
+
+    public async Task<AnswerVariant> GetAnswerVariantByIdAsync(int id)
+    {
+        return await _answerVariantsRepository.GetByIdAsync(id);
+    }
+
+    public async Task<IEnumerable<AnswerVariant>> GetAnswerVariantsByQuestionIdAsync(int questionId)
+    {
+        return await _answerVariantsRepository.GetAnswerVariantsByQuestionIdAsync(questionId);
+    }
+}