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3.01-QCM_MuscuMaths/WebApi/Entities/QuestionEntity.cs

44 lines
1.5 KiB

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Entities
{
[Table("Questions")]
public class QuestionEntity
{
/// <summary>
/// represent a mathematical question
/// properties :
/// Id : identifier of the question in the database
/// Content : the content of the question
/// Difficulty : difficulty (between 1 and 3 included) of the question
/// NbFails : number of time that people fail on this question
/// IdChapter : identifier of the chapter of the question
/// IdAnswerGood : identifier of the right answer to this question
/// Chapter : the chapter of the question
/// AnswerGood : the right answer to this question
/// </summary>
[Key]
public uint? Id { get; set; }
public string Content { get; set; } = null!;
[AllowedValues(1, 2, 3)]
public byte Difficulty { get; set; }
public uint NbFalls { get; set; }
[ForeignKey(nameof(Chapter))]
public uint? IdChapter { get; set; }
[ForeignKey(nameof(AnswerGood))]
public uint? IdAnswerGood { get; set; }
public ChapterEntity? Chapter { get; set; }
public AnswerEntity? AnswerGood { get; set; }
}
}