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重构项目结构，移除Assignment相关功能，优化Submission模块
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SpecialX
2025-10-09 18:57:28 +08:00
parent 403b34a098
commit ac900159ba
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TechHelper.Server/Services/Submission/SubmissionService.cs Normal file
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using AutoMapper;
using Entities.Contracts;
using Entities.DTO;
using Microsoft.EntityFrameworkCore;
using SharedDATA.Api;
using SharedDATA.Context;
using TechHelper.Services.Beta;
namespace TechHelper.Services.Beta
{
/// <summary>
/// 提交服务实现（Beta版本）
/// 实现提交相关的业务逻辑操作
/// </summary>
public class SubmissionService : ISubmissionService
{
private readonly IUnitOfWork _unitOfWork;
private readonly IMapper _mapper;
private readonly IRepository<Submission> _submissionRepository;
private readonly IRepository<SubmissionDetail> _submissionDetailRepository;
/// <summary>
/// 初始化提交服务
/// </summary>
/// <param name="mapper">AutoMapper实例</param>
/// <param name="unitOfWork">工作单元</param>
public SubmissionService(IMapper mapper, IUnitOfWork unitOfWork)
{
_mapper = mapper;
_unitOfWork = unitOfWork;
_submissionRepository = _unitOfWork.GetRepository<Submission>();
_submissionDetailRepository = _unitOfWork.GetRepository<SubmissionDetail>();
}
#region 基本CRUD操作
/// <summary>
/// 获取所有提交记录
/// </summary>
/// <param name="query">查询参数</param>
/// <returns>提交记录列表</returns>
public async Task<ApiResponse> GetAllAsync(QueryParameter query)
{
try
{
var pagedSubmissions = await _submissionRepository.GetPagedListAsync(
pageIndex: query.PageIndex,
pageSize: query.PageSize,
orderBy: s => s.OrderByDescending(s => s.SubmissionTime),
predicate: s => !s.IsDeleted);
var submissionDtos = _mapper.Map<List<SubmissionListDto>>(pagedSubmissions.Items);
return ApiResponse.Success("获取所有提交成功。", submissionDtos);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取所有提交失败: {ex.Message}");
}
}
/// <summary>
/// 根据ID获取提交记录
/// </summary>
/// <param name="id">提交ID</param>
/// <returns>提交记录详情</returns>
public async Task<ApiResponse> GetAsync(Guid id)
{
try
{
var submission = await _submissionRepository.GetFirstOrDefaultAsync(
predicate: s => s.Id == id && !s.IsDeleted);
if (submission == null)
{
return ApiResponse.Error("未找到提交记录。", 404);
}
var submissionDto = _mapper.Map<SubmissionDto>(submission);
return ApiResponse.Success("获取提交记录成功。", submissionDto);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取提交记录失败: {ex.Message}");
}
}
/// <summary>
/// 创建提交记录
/// </summary>
/// <param name="model">提交数据传输对象</param>
/// <returns>创建结果</returns>
public async Task<ApiResponse> AddAsync(SubmissionDto model)
{
try
{
var submission = _mapper.Map<Submission>(model);
submission.SubmissionTime = DateTime.Now;
submission.IsDeleted = false;
await _submissionRepository.InsertAsync(submission);
await _unitOfWork.SaveChangesAsync();
var result = _mapper.Map<SubmissionDto>(submission);
return ApiResponse.Success("提交成功。", result);
}
catch (Exception ex)
{
return ApiResponse.Error($"创建提交失败: {ex.Message}");
}
}
/// <summary>
/// 更新提交记录
/// </summary>
/// <param name="model">提交数据传输对象</param>
/// <returns>更新结果</returns>
public async Task<ApiResponse> UpdateAsync(SubmissionDto model)
{
try
{
var existingSubmission = await _submissionRepository.GetFirstOrDefaultAsync(predicate: s => s.Id == model.Id && !s.IsDeleted);
if (existingSubmission == null)
{
return ApiResponse.Error("未找到要更新的提交记录。", 404);
}
_mapper.Map(model, existingSubmission);
_submissionRepository.Update(existingSubmission);
await _unitOfWork.SaveChangesAsync();
var result = _mapper.Map<SubmissionDto>(existingSubmission);
return ApiResponse.Success("更新提交记录成功。", result);
}
catch (Exception ex)
{
return ApiResponse.Error($"更新提交记录失败: {ex.Message}");
}
}
/// <summary>
/// 删除提交记录
/// </summary>
/// <param name="id">提交ID</param>
/// <returns>删除结果</returns>
public async Task<ApiResponse> DeleteAsync(Guid id)
{
try
{
var submission = await _submissionRepository.GetFirstOrDefaultAsync(predicate: s => s.Id == id && !s.IsDeleted);
if (submission == null)
{
return ApiResponse.Error("未找到要删除的提交记录。", 404);
}
submission.IsDeleted = true;
_submissionRepository.Update(submission);
var submissionDetails = await _submissionDetailRepository.GetPagedListAsync(predicate: sd => sd.SubmissionId == id);
foreach (var detail in submissionDetails.Items)
{
detail.IsDeleted = true;
_submissionDetailRepository.Update(detail);
}
await _unitOfWork.SaveChangesAsync();
return ApiResponse.Success("提交记录及相关详情删除成功。", null);
}
catch (Exception ex)
{
return ApiResponse.Error($"删除提交记录失败: {ex.Message}");
}
}
#endregion
#region 错题相关操作
/// <summary>
/// 获取用户的错题列表
/// </summary>
/// <param name="userId">用户ID</param>
/// <returns>错题列表</returns>
public async Task<ApiResponse> GetAllErrorQuestionsAsync(Guid userId)
{
try
{
var errorSDs = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.StudentId == userId && sd.IsCorrect == false,
include: i => i
.Include(s => s.ExamQuestion)
.ThenInclude(aq => aq.Question));
var errorQuestions = errorSDs.Items.Select(sd => sd.ExamQuestion.Question)
.Where(q => q != null)
.DistinctBy(q => q.Id)
.ToList();
var result = _mapper.Map<List<QuestionDto>>(errorQuestions);
return ApiResponse.Success("获取所有错题成功。", result);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取所有错题失败: {ex.Message}");
}
}
/// <summary>
/// 获取指定作业的错题列表
/// </summary>
/// <param name="assignmentId">作业ID</param>
/// <param name="userId">用户ID</param>
/// <returns>错题列表</returns>
public async Task<ApiResponse> GetAssignmentErrorQuestionsAsync(Guid assignmentId, Guid userId)
{
try
{
var errorSDs = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.Submission.ExamId == assignmentId &&
sd.StudentId == userId &&
sd.IsCorrect == false,
include: i => i
.Include(s => s.ExamQuestion)
.ThenInclude(aq => aq.Question));
var errorQuestions = errorSDs.Items.Select(sd => sd.ExamQuestion.Question)
.Where(q => q != null)
.DistinctBy(q => q.Id)
.ToList();
var result = _mapper.Map<List<QuestionDto>>(errorQuestions);
return ApiResponse.Success("获取指定作业错题成功。", result);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取指定作业错题失败: {ex.Message}");
}
}
/// <summary>
/// 获取错题类型分布
/// </summary>
/// <param name="assignmentId">作业ID</param>
/// <param name="userId">用户ID</param>
/// <returns>错题类型分布</returns>
public async Task<ApiResponse> GetAssignmentErrorQuestionTypeDisAsync(Guid assignmentId, Guid userId)
{
try
{
var errorSDs = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.Submission.ExamId == assignmentId &&
sd.StudentId == userId &&
sd.IsCorrect == false,
include: i => i
.Include(s => s.ExamQuestion)
.ThenInclude(aq => aq.Question));
var errorTypeDistribution = errorSDs.Items
.Where(sd => sd.ExamQuestion?.Question?.QuestionType != null)
.GroupBy(sd => sd.ExamQuestion.Question.QuestionType.Name)
.Select(g => new
{
QuestionType = g.Key.ToString(),
Count = g.Count()
})
.ToList();
return ApiResponse.Success("获取指定作业错题类型分布成功。", errorTypeDistribution);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取指定作业错题类型分布失败: {ex.Message}");
}
}
/// <summary>
/// 获取所有错题类型分布
/// </summary>
/// <param name="assignmentId">作业ID</param>
/// <param name="userId">用户ID</param>
/// <returns>错题类型分布</returns>
public async Task<ApiResponse> GetAllErrorQuestionTypeDisAsync(Guid assignmentId, Guid userId)
{
try
{
var errorSDs = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.Submission.ExamId == assignmentId &&
sd.StudentId == userId &&
sd.IsCorrect == false,
include: i => i
.Include(s => s.ExamQuestion)
.ThenInclude(aq => aq.Question));
var errorTypeDistribution = errorSDs.Items
.Where(sd => sd.ExamQuestion?.Question?.QuestionType != null)
.GroupBy(sd => sd.ExamQuestion.Question.QuestionType.Name)
.Select(g => new
{
QuestionType = g.Key.ToString(),
Count = g.Count()
})
.ToList();
return ApiResponse.Success("获取错题类型分布成功。", errorTypeDistribution);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取错题类型分布失败: {ex.Message}");
}
}
/// <summary>
/// 获取作业中所有学生的错题情况
/// </summary>
/// <param name="assignmentId">作业ID</param>
/// <param name="teacherId">教师ID</param>
/// <returns>学生错题情况</returns>
public async Task<ApiResponse> GetAssignmentAllStudentsError(Guid assignmentId, Guid teacherId)
{
try
{
var submissionDetails = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.Submission.ExamId == assignmentId &&
sd.IsCorrect == false,
include: i => i.Include(sd => sd.Student));
var studentsErrorSummary = submissionDetails.Items
.Where(sd => sd.Student != null)
.GroupBy(sd => new { sd.StudentId, sd.Student.UserName })
.Select(g => new
{
StudentId = g.Key.StudentId,
StudentName = g.Key.UserName,
ErrorQuestionCount = g.Count()
})
.ToList();
return ApiResponse.Success("获取作业中所有学生的错题情况成功。", studentsErrorSummary);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取作业中所有学生的错题情况失败: {ex.Message}");
}
}
/// <summary>
/// 获取出现错题的学生列表
/// </summary>
/// <param name="assignmentQuestionId">作业题目ID</param>
/// <returns>错题学生列表</returns>
public async Task<ApiResponse> GetQuestionErrorStudents(Guid assignmentQuestionId)
{
try
{
var errorSubmissionDetails = await _submissionDetailRepository.GetPagedListAsync(
predicate: sd => sd.ExamQuestionId == assignmentQuestionId &&
sd.IsCorrect == false,
include: i => i
.Include(sd => sd.Student)
.Include(sd => sd.ExamQuestion)
.ThenInclude(aq => aq.Question));
var errorStudentsByQuestion = errorSubmissionDetails.Items
.Where(sd => sd.ExamQuestion?.Question != null && sd.Student != null)
.GroupBy(sd => new { sd.ExamQuestionId, sd.ExamQuestion.Question.Title })
.Select(g => new
{
AssignmentQuestionId = g.Key.ExamQuestionId,
QuestionTitle = g.Key.Title,
ErrorStudents = g.Select(sd => new
{
StudentId = sd.StudentId,
StudentName = sd.Student.UserName
}).Distinct().ToList()
})
.ToList();
return ApiResponse.Success("获取出现错题的学生成功。", errorStudentsByQuestion);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取出现错题的学生失败: {ex.Message}");
}
}
#endregion
#region 特殊操作
/// <summary>
/// 判断是否已经存在提交记录
/// </summary>
/// <param name="assignmentId">作业ID</param>
/// <param name="studentId">学生ID</param>
/// <returns>提交记录数量</returns>
public async Task<byte> IsHasSubmissionAsync(Guid assignmentId, Guid studentId)
{
try
{
var result = await _unitOfWork.GetRepository<Submission>().GetAllAsync(predicate: s => s.ExamId == assignmentId && s.StudentId == studentId);
return (byte)result.Count;
}
catch (Exception ex)
{
throw;
}
}
/// <summary>
/// 获取学生提交摘要
/// </summary>
/// <param name="userId">用户ID</param>
/// <returns>学生提交摘要列表</returns>
public async Task<ApiResponse> GetStudentSubmissionSummariesAsync(Guid userId)
{
try
{
var submissions = await _submissionRepository.GetPagedListAsync(
predicate: s => s.StudentId == userId && !s.IsDeleted,
orderBy: s => s.OrderByDescending(s => s.SubmissionTime));
var summaries = submissions.Items.Select(s => new StudentSubmissionSummaryDto
{
Id = s.Id,
AssignmentName = s.Exam?.Title ?? "未知作业",
CreatedDate = s.SubmissionTime,
Score = s.OverallGrade,
StudentName = s.Student?.UserName ?? "未知学生",
Status = s.Status.GetDisplayName()
}).ToList();
return ApiResponse.Success("获取学生提交摘要成功。", new StudentSubmissionSummaryResponseDto
{
Submissions = summaries,
TotalCount = submissions.TotalCount
});
}
catch (Exception ex)
{
return ApiResponse.Error($"获取学生提交摘要失败: {ex.Message}");
}
}
/// <summary>
/// 获取学生提交详情
/// </summary>
/// <param name="submissionId">提交ID</param>
/// <returns>学生提交详情</returns>
public async Task<ApiResponse> GetStudentSubmissionDetailAsync(Guid submissionId)
{
try
{
var submission = await _submissionRepository.GetFirstOrDefaultAsync(
predicate: s => s.Id == submissionId && !s.IsDeleted);
if (submission == null)
{
return ApiResponse.Error("未找到提交记录。", 404);
}
var detail = _mapper.Map<StudentSubmissionDetailDto>(submission);
return ApiResponse.Success("获取学生提交详情成功。", detail);
}
catch (Exception ex)
{
return ApiResponse.Error($"获取学生提交详情失败: {ex.Message}");
}
}
public async Task<ApiResponse> GradeExam(SubmissionTeacherUpdateDto model)
{
try
{
var existingSubmission = await _submissionRepository.GetFirstOrDefaultAsync(predicate: s => s.Id == model.Id && !s.IsDeleted);
if (existingSubmission == null)
{
return ApiResponse.Error("未找到要批改的试卷记录。", 404);
}
_mapper.Map(model, existingSubmission);
foreach (var item in existingSubmission.SubmissionDetails)
{
var sdd = model.SubmissionUpdateDetails.FirstOrDefault(d => d.Id == item.Id);
if (sdd == null) continue;
_mapper.Map(sdd, item);
}
_submissionRepository.Update(existingSubmission);
await _unitOfWork.SaveChangesAsync();
var result = _mapper.Map<SubmissionDto>(existingSubmission);
return ApiResponse.Success("批改试卷记录成功。", result);
}
catch (Exception ex)
{
return ApiResponse.Error($"批改试卷记录失败: {ex.Message}");
}
}
#endregion
}
}