81 lines
1.9 KiB
C#
81 lines
1.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Entities.Contracts
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{
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[Table("questions")]
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public class Question
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{
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[Key]
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[Column("id")]
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public Guid Id { get; set; }
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[Required]
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[Column("title")]
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[MaxLength(65535)]
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public string Title { get; set; }
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[Column("answer")]
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[MaxLength(65535)]
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public string? Answer { get; set; }
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[Required]
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[Column("type")]
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public Guid QuestioTypeId { get; set; }
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[ForeignKey(nameof(QuestioTypeId))]
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public virtual QuestionType QuestionType { get; set; }
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[Column("subject_area")]
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public Guid SubjectId { get; set; }
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[ForeignKey(nameof(SubjectId))]
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public virtual Subject Subject { get; set; }
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[Column("key_point")]
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public Guid? KeyPointId { get; set; }
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[ForeignKey(nameof(KeyPointId))]
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public virtual KeyPoint? KeyPoint { get; set; }
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[Column("lesson")]
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public Guid? LessonId { get; set; }
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[ForeignKey(nameof(LessonId))]
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public virtual Lesson? Lesson { get; set; }
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//[Required]
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//[Column("created_by")]
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//public Guid CreatorId { get; set; }
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//[ForeignKey(nameof(CreatorId))]
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//public virtual User Creator { get; set; }
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//[Column("difficulty_level")]
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//public DifficultyLevel DifficultyLevel { get; set; } = DifficultyLevel.easy;
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[Column("options")]
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public string? Options { get; set; }
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[Column("created_at")]
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public DateTime CreatedAt { get; set; }
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[Column("updated_at")]
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public DateTime UpdatedAt { get; set; }
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[Column("deleted")]
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public bool IsDeleted { get; set; }
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[InverseProperty(nameof(ExamQuestion.Question))]
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public virtual ICollection<ExamQuestion>? ExamQuestions { get; set; }
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public Question()
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{
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Id = Guid.NewGuid();
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ExamQuestions = new HashSet<ExamQuestion>();
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}
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}
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}
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