using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using Infrastructure.Domain;

namespace Application.Domain.Entities
{
    /// <summary>
    /// 习题，和资源逻辑相同。考题和习题的区别是：考题=试卷Id+全部习题属性+分值等
    /// </summary>
    [Display(Name = "习题")]
    public class Question : BaseEntity
    {
        [Display(Name = "题目")]
        public string Title { get; set; }

        [Display(Name = "选项")]
        public string Options { get; set; }

        [Display(Name = "答案")]
        public string Answer { get; set; }

        [Display(Name = "用户")]
        public Guid? UserId { get; set; }

        public User User { get; set; }

        [Display(Name = "章节")]
        public Guid? SectionId { get; set; }

        [Display(Name = "课程")]
        public Guid CourseId { get; set; }

        public Section Section { get; set; }

        public Course Course { get; set; }
        public List<UserQuestion> UserQuestions { get; set; } = new List<UserQuestion>();
    }
}