exam_service

Entities/Contracts/AssignmentGroup.cs

@@ -15,10 +15,9 @@ namespace Entities.Contracts
 		[Column("id")]
 		public Guid Id { get; set; }
 
-		[Required]
 		[Column("assignment")]
 		[ForeignKey("Assignment")]
-		public Guid AssignmentId { get; set; }
+		public Guid? AssignmentId { get; set; }
 
 		[Required]
 		[Column("title")]
@@ -31,7 +30,7 @@ namespace Entities.Contracts
 
 
 		[Column("total_points")]
-		public decimal? TotalPoints { get; set; }
+		public float? TotalPoints { get; set; }
 
 		[Column("number")]
 		public byte Number { get; set; }
@@ -42,9 +41,12 @@ namespace Entities.Contracts
 		[Column("deleted")]
 		public bool IsDeleted { get; set; }
 
+		[Column("valid_question_group")]
+		public bool ValidQuestionGroup { get; set; }
+
 		// Navigation Properties
-		public Assignment Assignment { get; set; }
-		public AssignmentGroup ParentAssignmentGroup { get; set;}
+		public Assignment? Assignment { get; set; }
+		public AssignmentGroup? ParentAssignmentGroup { get; set;}
 		public ICollection<AssignmentGroup> ChildAssignmentGroups { get; set; }
 		public ICollection<AssignmentQuestion> AssignmentQuestions { get; set; }
 

Entities/Contracts/AssignmentQuestion.cs

@@ -21,21 +21,23 @@ namespace Entities.Contracts
 		[ForeignKey("Question")]
 		public Guid QuestionId { get; set; }
 
+		[Required]
+		[Column("group_id")]
+		[ForeignKey("AssignmentGroup")]
+		public Guid AssignmentGroupId { get; set; }
+
+
 		[Required]
 		[Column("question_number")]
 		public byte QuestionNumber { get; set; }
 
+
 		[Column("created_at")]
 		public DateTime CreatedAt { get; set; }
 
 		[Column("score")]
 		public float? Score { get; set; }
 
-		[Required]
-		[Column("detail_id")]
-		[ForeignKey("AssignmentGroup")]
-		public Guid AssignmentGroupId { get; set; }
-
 		[Column("deleted")]
 		public bool IsDeleted { get; set; }
 

Entities/Contracts/Question.cs

@@ -50,6 +50,9 @@ namespace Entities.Contracts
 		[Column("deleted")]
 		public bool IsDeleted { get; set; }
 
+		[Column("valid_question")]
+		public bool ValidQuestion { get; set; }
+
 		// Navigation Properties
 		public User Creator { get; set; }
 		public ICollection<AssignmentQuestion> AssignmentQuestions { get; set; }

Entities/DTO/ApiResponse.cs

@@ -3,21 +3,47 @@
 	public class ApiResponse
 	{
 		public ApiResponse(string message, bool status = false)
-		{
-			this.Message = message;
-			this.Status = status;
-		}
+	: this(status, message, null) { }
+
 
 		public ApiResponse(bool status, object result)
+			: this(status, string.Empty, result) { }
+
+
+
+		/// <summary>
+		/// 创建一个表示成功响应的 ApiResponse 实例。
+		/// </summary>
+		/// <param name="message">成功消息。</param>
+		/// <param name="result">可选的返回数据。</param>
+		/// <returns>ApiResponse 实例。</returns>
+		public static ApiResponse Success(string message = "操作成功。", object? result = null)
 		{
-			this.Status = status;
-			this.Result = result;
+			return new ApiResponse(true, message, result);
+		}
+
+		/// <summary>
+		/// 创建一个表示失败响应的 ApiResponse 实例。
+		/// </summary>
+		/// <param name="message">错误消息。</param>
+		/// <param name="result">可选的错误详情或数据。</param>
+		/// <returns>ApiResponse 实例。</returns>
+		public static ApiResponse Error(string message = "操作失败。", object? result = null)
+		{
+			return new ApiResponse(false, message, result);
 		}
 
 		public ApiResponse()
 		{
 		}
 
+		private ApiResponse(bool status, string message, object? result)
+		{
+			Status = status;
+			Message = message;
+			Result = result;
+		}
+
 		public string Message { get; set; }
 
 		public bool Status { get; set; }

Entities/DTO/ExamDto.cs

@@ -3,31 +3,33 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Serialization;
 
 namespace Entities.DTO
 {
 	public class ExamDto
 	{
 		public Guid? AssignmentId { get; set; }
+		public string CreaterEmail { get; set; }	
 		public string AssignmentTitle { get; set; } = string.Empty;
 		public string Description { get; set; }
 		public string SubjectArea { get; set; }
-		public List<QuestionGroupDto> QuestionGroups { get; set; } = new List<QuestionGroupDto>();
+		public QuestionGroupDto QuestionGroups { get; set; } = new QuestionGroupDto();
 	}
 
 	public class QuestionGroupDto
 	{
-		public int Index { get; set; } 
+		public byte Index { get; set; } 
 
-		public string Title { get; set; }
+		public string? Title { get; set; }
 
-		public int Score { get; set; }
-
-		public string QuestionReference { get; set; } 
+		public float Score { get; set; }
 
+		public string? Descript { get; set; } 
 		public List<SubQuestionDto> SubQuestions { get; set; } = new List<SubQuestionDto>();
 
 		public List<QuestionGroupDto> SubQuestionGroups { get; set; } = new List<QuestionGroupDto>();
+		public bool ValidQuestionGroup { get; set; } = false;
 	}
 
 	public class SubQuestionDto
@@ -35,16 +37,17 @@ namespace Entities.DTO
 
 		public byte Index { get; set; } 
 
-		public string Stem { get; set; }
+		public string? Stem { get; set; }
 
 		public float Score { get; set; }
 
 		public List<OptionDto> Options { get; set; } = new List<OptionDto>();
 
-		public string SampleAnswer { get; set; } 
+		public string? SampleAnswer { get; set; } 
 
-		public string QuestionType { get; set; } 
-		public string DifficultyLevel { get; set; } 
+		public string? QuestionType { get; set; } 
+		public string? DifficultyLevel { get; set; }
+		public bool ValidQuestion { get; set; } = false;
 
 	}