move services to separate project

+ add GetByUserId methods to Survey

SurveyLib.Infrastructure.EFCore/Services/QuestionService.cs

@@ -1,43 +0,0 @@
-using SurveyLib.Core.Models;
-using SurveyLib.Core.Repositories;
-using SurveyLib.Core.Services;
-
-namespace SurveyLib.Infrastructure.EFCore.Services;
-
-public class QuestionService : IQuestionService
-{
-    private readonly IQuestionRepository _questionRepository;
-
-    public QuestionService(IQuestionRepository questionRepository)
-    {
-        _questionRepository = questionRepository;
-    }
-
-    public async Task AddQuestionAsync(QuestionBase question)
-    {
-        await _questionRepository.AddAsync(question);
-    }
-
-    public async Task UpdateQuestionAsync(QuestionBase question)
-    {
-        await _questionRepository.UpdateAsync(question);
-    }
-
-    public async Task DeleteQuestionAsync(int id)
-    {
-        var question = await GetQuestionByIdAsync(id);
-
-        await _questionRepository.DeleteAsync(question);
-    }
-
-    public async Task<QuestionBase> GetQuestionByIdAsync(int id)
-    {
-        var question = await _questionRepository.GetByIdAsync(id) ?? throw new NullReferenceException();
-        return question;
-    }
-
-    public async Task<IEnumerable<QuestionBase>> GetQuestionsBySurveyIdAsync(int surveyId)
-    {
-        return await _questionRepository.GetQuestionsBySurveyId(surveyId);
-    }
-}