80 lines
1.8 KiB
C#
80 lines
1.8 KiB
C#
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;
|
|
|
|
namespace Entities.Contracts
|
|
{
|
|
[Table("question_groups")]
|
|
public class QuestionGroup
|
|
{
|
|
[Key]
|
|
[Column("id")]
|
|
public Guid Id { get; set; }
|
|
|
|
[Column("title")]
|
|
[MaxLength(255)]
|
|
public string Title { get; set; }
|
|
|
|
[Required]
|
|
[Column("description")]
|
|
[MaxLength(65535)]
|
|
public string Description { get; set; }
|
|
|
|
[Column("type")]
|
|
[MaxLength(50)]
|
|
public string Type { get; set; }
|
|
|
|
[Column("difficulty_level")]
|
|
[MaxLength(10)]
|
|
public DifficultyLevel DifficultyLevel { get; set; }
|
|
|
|
[Column("subject_area")]
|
|
public SubjectAreaEnum SubjectArea { get; set; }
|
|
|
|
[Column("total_questions")]
|
|
public int TotalQuestions { get; set; } = 0;
|
|
|
|
[Column("parent_question_group")]
|
|
public Guid? ParentQG { get; set; }
|
|
|
|
[Required]
|
|
[Column("created_by")]
|
|
[ForeignKey("Creator")]
|
|
public Guid CreatedBy { get; set; }
|
|
|
|
[Column("created_at")]
|
|
public DateTime CreatedAt { get; set; }
|
|
|
|
[Column("updated_at")]
|
|
public DateTime UpdatedAt { get; set; }
|
|
|
|
[Column("deleted")]
|
|
public bool IsDeleted { get; set; }
|
|
|
|
[Column("valid_group")]
|
|
public bool ValidGroup { get; set; }
|
|
|
|
|
|
|
|
public User Creator { get; set; }
|
|
public QuestionGroup ParentQuestionGroup { get; set; }
|
|
public ICollection<QuestionGroup> ChildQuestionGroups { get; set; }
|
|
public ICollection<AssignmentQuestion> AssignmentQuestions { get; set; }
|
|
public ICollection<Question> Questions { get; set; }
|
|
|
|
public QuestionGroup()
|
|
{
|
|
Id = Guid.NewGuid();
|
|
Questions = new HashSet<Question>();
|
|
CreatedAt = DateTime.UtcNow;
|
|
UpdatedAt = DateTime.UtcNow;
|
|
IsDeleted = false;
|
|
ValidGroup = true;
|
|
}
|
|
}
|
|
}
|