Files
TechHelper/Entities/Contracts/AssignmentQuestion.cs
2025-06-20 18:58:11 +08:00

75 lines
1.8 KiB
C#

using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Entities.DTO;
namespace Entities.Contracts
{
[Table("assignment_questions")]
public class AssignmentQuestion
{
[Key]
[Column("id")]
public Guid Id { get; set; }
[Column("question_id")]
public Guid? QuestionId { get; set; }
[Column("assignment")]
[ForeignKey("Assignment")]
public Guid? AssignmentId { get; set; }
[Column("title")]
[MaxLength(1024)]
public string? Title { get; set; }
[Column("description")]
public Guid? QuestionContextId { get; set; }
[Required]
[Column("question_number")]
public byte Index { get; set; }
[Column("parent_question_group_id")]
public Guid? ParentAssignmentQuestionId { get; set; }
[Column("group_state")]
public AssignmentStructType StructType { get; set; } = AssignmentStructType.Question;
[Column("created_at")]
public DateTime CreatedAt { get; set; }
[Column("score")]
public float? Score { get; set; }
[Column("deleted")]
public bool IsDeleted { get; set; }
public Question? Question { get; set; }
public Assignment? Assignment { get; set; }
[ForeignKey(nameof(QuestionContextId))]
public QuestionContext? QuestionContext { get; set; }
public ICollection<SubmissionDetail> SubmissionDetails { get; set; }
[ForeignKey(nameof(ParentAssignmentQuestionId))]
public AssignmentQuestion? ParentAssignmentQuestion { get; set; }
public ICollection<AssignmentQuestion> ChildrenAssignmentQuestion { get; set; } = new List<AssignmentQuestion>();
public AssignmentQuestion()
{
Id = Guid.NewGuid();
SubmissionDetails = new HashSet<SubmissionDetail>();
}
}
}