重构项目结构，移除Assignment相关功能，优化Submission模块

TechHelper.Server/Services/Submission/ISubmissionService.cs

@@ -0,0 +1,86 @@
+using Entities.DTO;
+
+namespace TechHelper.Services.Beta
+{
+    /// <summary>
+    /// 提交服务接口（Beta版本）
+    /// 提供提交相关的业务逻辑操作
+    /// </summary>
+    public interface ISubmissionService : IBaseService<SubmissionDto, Guid>
+    {
+        /// <summary>
+        /// 获取用户的错题列表
+        /// </summary>
+        /// <param name="userId">用户ID</param>
+        /// <returns>错题列表</returns>
+        Task<ApiResponse> GetAllErrorQuestionsAsync(Guid userId);
+
+        /// <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>
+        Task<ApiResponse> GetAssignmentErrorQuestionsAsync(Guid assignmentId, Guid userId);
+
+        /// <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>
+        Task<ApiResponse> GetAssignmentErrorQuestionTypeDisAsync(Guid assignmentId, Guid userId);
+
+        /// <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>
+        Task<ApiResponse> GetAllErrorQuestionTypeDisAsync(Guid assignmentId, Guid userId);
+
+        /// <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>
+        Task<ApiResponse> GetAssignmentAllStudentsError(Guid assignmentId, Guid teacherId);
+
+        /// <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>
+        Task<ApiResponse> GetQuestionErrorStudents(Guid assignmentQuestionId);
+
+        /// <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>
+        Task<byte> IsHasSubmissionAsync(Guid assignmentId, Guid studentId);
+
+        /// <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>
+        Task<ApiResponse> GetStudentSubmissionSummariesAsync(Guid userId);
+
+        /// <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>
+        Task<ApiResponse> GetStudentSubmissionDetailAsync(Guid submissionId);
+
+        /// <summary>
+        /// 批改的试卷
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+		Task<ApiResponse> GradeExam(SubmissionTeacherUpdateDto model);
+	}
+}