116 lines
2.9 KiB
C#
116 lines
2.9 KiB
C#
using AutoMapper;
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using Entities.Contracts;
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using Entities.DTO;
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using SharedDATA.Api;
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using TechHelper.Server.Repository;
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using TechHelper.Services;
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namespace TechHelper.Server.Services
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{
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public class ExamService2 : IExamService2
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{
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private readonly IUnitOfWork _unitOfWork;
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private readonly IExamRepository _examRepository;
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private readonly IMapper _mapper;
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public ExamService2(IUnitOfWork unitOfWork, IExamRepository examRepository, IMapper mapper)
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{
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_unitOfWork = unitOfWork;
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_examRepository = examRepository;
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_mapper = mapper;
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}
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public async Task<Guid> CreateExamAsync(ExamDto examDto, Guid creatorId)
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{
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if (examDto.QuestionGroups == null)
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{
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throw new ArgumentException("试卷必须包含一个根题组。");
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}
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// 使用 AutoMapper 将 DTO 映射到实体
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var assignment = _mapper.Map<Assignment>(examDto);
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// 设置后端生成的属性
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assignment.Id = Guid.NewGuid();
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assignment.CreatedBy = creatorId;
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assignment.CreatedAt = DateTime.UtcNow;
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// 递归设置所有子实体的ID和关联关系
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SetEntityIdsAndRelations(assignment.AssignmentGroups.First(), assignment.Id, creatorId);
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await _examRepository.AddAsync(assignment);
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await _unitOfWork.SaveChangesAsync();
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return assignment.Id;
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}
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private void SetEntityIdsAndRelations(AssignmentGroup group, Guid? assignmentId, Guid creatorId)
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{
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group.Id = Guid.NewGuid();
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group.AssignmentId = assignmentId;
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foreach (var aq in group.AssignmentQuestions)
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{
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aq.Id = Guid.NewGuid();
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aq.AssignmentGroupId = group.Id;
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aq.Question.Id = Guid.NewGuid();
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aq.Question.CreatedBy = creatorId;
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aq.CreatedAt = DateTime.UtcNow;
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// ... 其他默认值
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}
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foreach (var childGroup in group.ChildAssignmentGroups)
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{
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// 子题组的 AssignmentId 为 null，通过 ParentGroup 关联
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SetEntityIdsAndRelations(childGroup, null, creatorId);
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childGroup.ParentGroup = group.Id;
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}
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}
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public async Task<ExamDto> GetExamByIdAsync(Guid id)
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{
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var assignment = await _examRepository.GetFullExamByIdAsync(id);
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if (assignment == null)
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{
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throw new InvalidOperationException("");
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}
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return _mapper.Map<ExamDto>(assignment);
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}
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public async Task<IEnumerable<ExamDto>> GetAllExamPreviewsAsync(Guid userId)
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{
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var assignments = await _examRepository.GetExamPreviewsByUserAsync(userId);
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return _mapper.Map<IEnumerable<ExamDto>>(assignments);
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}
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public Task<ApiResponse> GetAllAsync(QueryParameter query)
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{
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throw new NotImplementedException();
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}
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public Task<ApiResponse> GetAsync(Guid id)
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{
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throw new NotImplementedException();
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}
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public Task<ApiResponse> AddAsync(ExamDto model)
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{
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throw new NotImplementedException();
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}
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public Task<ApiResponse> UpdateAsync(ExamDto model)
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{
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throw new NotImplementedException();
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}
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public Task<ApiResponse> DeleteAsync(Guid id)
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{
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throw new NotImplementedException();
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}
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}
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}
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