重构试卷相关内容

TechHelper.Server/Services/QuestionGroupService.cs

@@ -0,0 +1,66 @@
+using AutoMapper;
+using Entities.Contracts;
+using Entities.DTO;
+using SharedDATA.Api;
+using TechHelper.Services;
+
+namespace TechHelper.Server.Services
+{
+	public class QuestionGroupService : IAssignmentGroupService
+	{
+
+		private readonly IUnitOfWork _work;
+		// 如果不再需要 AutoMapper 进行实体到 DTO 的映射，可以移除 _mapper 字段
+		// 但如果 AutoMapper 在其他服务中用于其他映射，或者将来可能需要，可以保留
+		private readonly IMapper _mapper;
+		private readonly IExamService _examService;
+
+		public QuestionGroupService(IUnitOfWork work, IMapper mapper, IExamService examService)
+		{
+			_work = work;
+			_mapper = mapper;
+			_examService = examService;
+		}
+
+
+		public Task<ApiResponse> AddAsync(AssignmentGroup model)
+		{
+			throw new NotImplementedException();
+		}
+
+		public Task<ApiResponse> DeleteAsync(Guid id)
+		{
+			throw new NotImplementedException();
+		}
+
+		public Task<ApiResponse> GetAllAsync(QueryParameter query)
+		{
+			throw new NotImplementedException();
+		}
+
+		public async Task<ApiResponse> GetAsync(Guid id)
+		{
+			try
+			{
+
+				var result = await _work.GetRepository<AssignmentGroup>().GetFirstOrDefaultAsync(predicate: ag => ag.Id == id);
+				QuestionGroupDto qgd = new QuestionGroupDto();
+				if (result != null)
+				{
+					qgd = _examService.MapAssignmentGroupToDto(result);
+					return ApiResponse.Success(result: qgd);
+				}
+				return ApiResponse.Error("没找到问题组");
+			}
+			catch (Exception ex)
+			{
+				return ApiResponse.Error($"出现了一点问题: {ex.Message}");
+			}
+		}
+
+		public Task<ApiResponse> UpdateAsync(AssignmentGroup model)
+		{
+			throw new NotImplementedException();
+		}
+	}
+}