exam_service

TechHelper.Server/Context/AutoMapperProFile.cs

@@ -1,4 +1,5 @@
 using AutoMapper;
+using AutoMapper.Internal.Mappers;
 using Entities.Contracts;
 using Entities.DTO;
 
@@ -6,6 +7,19 @@ namespace TechHelper.Context
 {
 	public class AutoMapperProFile : Profile
 	{
+
+		public static class EnumMappingHelpers
+		{
+			public static TEnum ParseEnumSafe<TEnum>(string sourceString, TEnum defaultValue) where TEnum : struct, Enum
+			{
+				if (Enum.TryParse(sourceString, true, out TEnum parsedValue))
+				{
+					return parsedValue;
+				}
+				return defaultValue;
+			}
+		}
+
 		public AutoMapperProFile()
 		{
 			CreateMap<UserForRegistrationDto, User>()
@@ -24,9 +38,9 @@ namespace TechHelper.Context
 				 .ForMember(dest => dest.Id, opt => opt.Ignore())
 				 .ForMember(dest => dest.QuestionText, opt => opt.MapFrom(src => src.Stem))
 				 .ForMember(dest => dest.CorrectAnswer, opt => opt.MapFrom(src => src.SampleAnswer))
-				 .ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => Enum.Parse<QuestionType>(src.QuestionType, true)))
-				 .ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => Enum.Parse<DifficultyLevel>(src.DifficultyLevel, true)))
-				 .ForMember(dest => dest.SubjectArea, opt => opt.Ignore()) // SubjectArea 来自 Assignment 而不是 SubQuestionDto
+				 .ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.QuestionType, QuestionType.Unknown)))
+				 .ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.DifficultyLevel, DifficultyLevel.easy)))
+				 .ForMember(dest => dest.SubjectArea, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.DifficultyLevel, SubjectAreaEnum.Unknown)))
 				 .ForMember(dest => dest.CreatedBy, opt => opt.Ignore())
 				 .ForMember(dest => dest.CreatedAt, opt => opt.Ignore())
 				 .ForMember(dest => dest.UpdatedAt, opt => opt.Ignore())
@@ -40,6 +54,13 @@ namespace TechHelper.Context
 				.ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => src.QuestionType.ToString()))
 				.ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => src.DifficultyLevel.ToString()))
 				.ForMember(dest => dest.Options, opt => opt.Ignore()); // Options 需要单独处理
+
+			CreateMap<Assignment, ExamDto>()
+				.ForMember(dest => dest.AssignmentTitle, opt => opt.MapFrom(src => src.Title))
+				.ForMember(dest => dest.Description, opt => opt.MapFrom(src => src.Description))
+				.ForMember(dest => dest.AssignmentId, opt => opt.MapFrom(src=> src.Id))
+				.ForMember(dest => dest.SubjectArea, opt => opt.MapFrom(src => src.SubjectArea.ToString()));
+
 		}
 	}
 	

TechHelper.Server/Context/Configuration/AssignmentGroupConfiguration.cs

@@ -25,8 +25,7 @@ namespace TechHelper.Context.Configuration
 
 			// 配置 AssignmentId 属性对应的数据库列名为 "assignment"，并设置为必需字段。
 			builder.Property(ag => ag.AssignmentId)
-				.HasColumnName("assignment")
-				.IsRequired();
+				.HasColumnName("assignment");
 
 			// 配置 Title 属性对应的数据库列名为 "title"，设置为必需字段，并设置最大长度。
 			builder.Property(ag => ag.Title)
@@ -52,7 +51,8 @@ namespace TechHelper.Context.Configuration
 			// 配置 ParentGroup 属性对应的数据库列名为 "sub_group"。
 			// ParentGroup 是 Guid? 类型，默认就是可选的，无需 IsRequired(false)。
 			builder.Property(ag => ag.ParentGroup)
-				.HasColumnName("sub_group");
+				.HasColumnName("parent_group")
+				.IsRequired(false);
 
 			// 配置 IsDeleted 属性对应的数据库列名为 "deleted"，并设置默认值为 false。
 			builder.Property(ag => ag.IsDeleted)

TechHelper.Server/Context/Configuration/AssignmentQuestionConfiguration.cs

@@ -41,7 +41,7 @@ namespace TechHelper.Context.Configuration
 			// 配置 AssignmentGroupId 列
 			// 该列在数据库中名为 "detail_id"
 			builder.Property(aq => aq.AssignmentGroupId)
-				.HasColumnName("detail_id")
+				.HasColumnName("group_id")
 				.IsRequired();
 
 			// 配置 IsDeleted 列