91 lines
4.7 KiB
C#
91 lines
4.7 KiB
C#
using AutoMapper;
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using AutoMapper.Internal.Mappers;
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using Entities.Contracts;
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using Entities.DTO;
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namespace TechHelper.Context
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{
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public class AutoMapperProFile : Profile
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{
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public static class EnumMappingHelpers
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{
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public static TEnum ParseEnumSafe<TEnum>(string sourceString, TEnum defaultValue) where TEnum : struct, Enum
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{
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if (Enum.TryParse(sourceString, true, out TEnum parsedValue))
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{
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return parsedValue;
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}
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return defaultValue;
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}
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}
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public AutoMapperProFile()
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{
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CreateMap<UserForRegistrationDto, User>()
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.ForMember(dest => dest.Id, opt => opt.Ignore()) // ID由IdentityUser生成
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.ForMember(dest => dest.UserName, opt => opt.MapFrom(src => src.Name)) // 或者 MapFrom(src => src.Name)
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.ForMember(dest => dest.Email, opt => opt.MapFrom(src => src.Email))
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.ForMember(dest => dest.PhoneNumber, opt => opt.MapFrom(src => src.PhoneNumber))
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.ForMember(dest => dest.Address, opt => opt.MapFrom(src => src.HomeAddress)) // 映射到 IdentityUser 的 Address 属性
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.ForMember(dest => dest.PasswordHash, opt => opt.Ignore()) // 密码哈希由 UserManager 处理
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.ForMember(dest => dest.EmailConfirmed, opt => opt.Ignore()); // 邮箱确认状态由服务层处理
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CreateMap<ClassDto, Class>()
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.ForMember(d => d.Number, o => o.MapFrom(src => src.Class)).ReverseMap();
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CreateMap<SubQuestionDto, Question>()
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.ForMember(dest => dest.Id, opt => opt.Ignore())
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.ForMember(dest => dest.QuestionText, opt => opt.MapFrom(src => src.Stem))
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.ForMember(dest => dest.CorrectAnswer, opt => opt.MapFrom(src => src.SampleAnswer))
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.ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.QuestionType, QuestionType.Unknown)))
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.ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.DifficultyLevel, DifficultyLevel.easy)))
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.ForMember(dest => dest.SubjectArea, opt => opt.MapFrom(src => EnumMappingHelpers.ParseEnumSafe(src.DifficultyLevel, SubjectAreaEnum.Unknown)))
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.ForMember(dest => dest.CreatedBy, opt => opt.Ignore())
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.ForMember(dest => dest.CreatedAt, opt => opt.Ignore())
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.ForMember(dest => dest.UpdatedAt, opt => opt.Ignore())
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.ForMember(dest => dest.IsDeleted, opt => opt.Ignore());
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// 2. Question -> SubQuestionDto (查看时)
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CreateMap<Question, SubQuestionDto>()
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.ForMember(dest => dest.Stem, opt => opt.MapFrom(src => src.QuestionText))
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.ForMember(dest => dest.Score, opt => opt.Ignore()) // Question 实体没有 Score 字段，需要从 AssignmentQuestion 获取
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.ForMember(dest => dest.SampleAnswer, opt => opt.MapFrom(src => src.CorrectAnswer))
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.ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => src.QuestionType.ToString()))
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.ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => src.DifficultyLevel.ToString()))
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.ForMember(dest => dest.Options, opt => opt.Ignore()); // Options 需要单独处理
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CreateMap<Assignment, ExamDto>()
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.ForMember(dest => dest.AssignmentTitle, opt => opt.MapFrom(src => src.Title))
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.ForMember(dest => dest.Description, opt => opt.MapFrom(src => src.Description))
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.ForMember(dest => dest.AssignmentId, opt => opt.MapFrom(src => src.Id))
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.ForMember(dest => dest.QuestionGroups, opt => opt.MapFrom(src =>
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src.AssignmentGroups.FirstOrDefault(ag => ag.ParentGroup == null)))
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.ForMember(dest => dest.SubjectArea, opt => opt.MapFrom(src => src.SubjectArea.ToString()));
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CreateMap<AssignmentGroup, QuestionGroupDto>()
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.ForMember(dest => dest.SubQuestionGroups, opt => opt.MapFrom(src => src.ChildAssignmentGroups))
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.ForMember(dest => dest.SubQuestions, opt => opt.MapFrom(src => src.AssignmentQuestions));
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CreateMap<AssignmentQuestion, SubQuestionDto>()
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.ForMember(dest => dest.Stem, opt => opt.MapFrom(src => src.Question.QuestionText))
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.ForMember(dest => dest.SampleAnswer, opt => opt.MapFrom(src => src.Question.CorrectAnswer))
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.ForMember(dest => dest.QuestionType, opt => opt.MapFrom(src => src.Question.QuestionType.ToString()))
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.ForMember(dest => dest.DifficultyLevel, opt => opt.MapFrom(src => src.Question.DifficultyLevel.ToString()));
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CreateMap<QuestionGroupDto, AssignmentGroup>()
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.ForMember(dest => dest.ChildAssignmentGroups, opt => opt.MapFrom(src => src.SubQuestionGroups))
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.ForMember(dest => dest.AssignmentQuestions, opt => opt.MapFrom(src => src.SubQuestions));
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CreateMap<SubQuestionDto, AssignmentQuestion>()
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.ForMember(dest => dest.Question, opt => opt.MapFrom(src => src)); // 映射到嵌套的 Question 对象
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CreateMap<Assignment, ExamDto>();
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}
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}
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}
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