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

namespace Application.Domain.Entities
{
    /// <summary>
    /// 资源，用户发布的，匹配课程、以及教材章节的资源
    /// </summary>
    [Display(Name = "资源")]
    public class Resource : BaseEntity
    {
        [Display(Name = "名称")]
        public string Name { get; set; }

        [Display(Name = "文件")]
        public string File { get; set; }

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

        public User User { get; set; }

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

        public ResourceCategory Category { get; set; }

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

        public Section Section { get; set; }

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

        public Course Course { get; set; }
        public List<LessonResource> LessonResources { get; set; } = new List<LessonResource>();
    }
}