struct&&assiQues

Entities/Contracts/Question.cs

@@ -16,36 +16,43 @@ namespace Entities.Contracts
 		public Guid Id { get; set; }
 
 		[Required]
-		[Column("question_text")]
+		[Column("title")]
 		[MaxLength(65535)]
-		public string QuestionText { get; set; }
+		public string Title { get; set; }
+
+		[Column("answer")]
+		[MaxLength(65535)]
+		public string? Answer { get; set; }
+
+		[Column("description")]
+		public Guid? DescriptionId { get; set; }
 
 		[Required]
-		[Column("question_type")]
+		[Column("type")]
 		[MaxLength(20)]
-		public QuestionType QuestionType { get; set; } 
-
-		[Column("correct_answer")]
-		[MaxLength(65535)]
-		public string CorrectAnswer { get; set; }
-
-		[Column("question_group_id")]
-		public Guid? QuestionGroupId { get; set; }
+		public QuestionType Type { get; set; } = QuestionType.Unknown;
 
 		[Column("difficulty_level")]
 		[MaxLength(10)] 
-		public DifficultyLevel DifficultyLevel { get; set; } 
+		public DifficultyLevel DifficultyLevel { get; set; } = DifficultyLevel.easy;
 
 		[Column("subject_area")]
-		public SubjectAreaEnum SubjectArea { get; set; }
+		public SubjectAreaEnum SubjectArea { get; set; } = SubjectAreaEnum.Unknown;
+
 
 		[Column("options")]
 		public string? Options { get; set; }
 
+		[Column("key_point")]
+		public Guid? KeyPointId { get; set; }
+
+		[Column("lesson")]
+		public Guid? LessonId { get; set; }
+
+
 		[Required]
 		[Column("created_by")]
-		[ForeignKey("Creator")]
-		public Guid CreatedBy { get; set; }
+		public Guid CreatorId { get; set; }
 
 		[Column("created_at")]
 		public DateTime CreatedAt { get; set; }
@@ -56,54 +63,30 @@ namespace Entities.Contracts
 		[Column("deleted")]
 		public bool IsDeleted { get; set; }
 
-		[Column("valid_question")]
-		public bool ValidQuestion { get; set; }
 
 		// Navigation Properties
+		[ForeignKey(nameof(CreatorId))]
 		public User Creator { get; set; }
-		public QuestionGroup QuestionGroup { get; set; }
-		public ICollection<AssignmentQuestion> AssignmentQuestions { get; set; }
+
+		[ForeignKey(nameof(DescriptionId))]
+		public QuestionContext Description { get; set; }
+		public Question? ParentQuestion { get; set; }
+		public ICollection<Question>? ChildrenQuestion { get; set; }
+
+		[ForeignKey(nameof(KeyPointId))]
+		public KeyPoint? KeyPoint { get; set; }
+		[ForeignKey(nameof(LessonId))]	
+		public Lesson? Lesson { get; set; }
+		
+		public ICollection<AssignmentQuestion>? AssignmentQuestions { get; set; }
 
 		public Question()
 		{
 			Id = Guid.NewGuid();
 			AssignmentQuestions = new HashSet<AssignmentQuestion>();
+			ChildrenQuestion = new HashSet<Question>();	
 		}
 	}
 
-	public enum DifficultyLevel
-	{
-		easy,
-		medium,
-		hard
-	}
 
-	public enum QuestionType
-	{
-		Unknown, // 可以有一个未知类型或作为默认
-		Spelling,           // 拼写
-		Pronunciation,      // 给带点字选择正确读音
-		WordFormation,      // 组词
-		FillInTheBlanks,    // 选词填空 / 补充词语
-		SentenceDictation,  // 默写句子
-		SentenceRewriting,  // 仿句 / 改写句子
-		ReadingComprehension, // 阅读理解
-		Composition         // 作文
-							// ... 添加您其他题目类型
-	}
-
-	public enum SubjectAreaEnum // 建议命名为 SubjectAreaEnum 以避免与属性名冲突
-	{
-		Unknown,         // 未知或默认
-		Mathematics,     // 数学
-		Physics,         // 物理
-		Chemistry,       // 化学
-		Biology,         // 生物
-		History,         // 历史
-		Geography,       // 地理
-		Literature,      // 语文/文学
-		English,         // 英语
-		ComputerScience, // 计算机科学
-						 // ... 你可以根据需要添加更多科目
-	}
 }