'use strict';
const Schema = require('mongoose').Schema;
const metaPlugin = require('naf-framework-mongoose/lib/model/meta-plugin');

// 上传资料表
const MaterialSchema = {
  title: { type: String, required: true, maxLength: 200 }, // 标题
  url: { type: String, required: true, maxLength: 200 }, // 资料链接
  type: { type: String, required: true, maxLength: 200 }, // 资料类型，0-学生学习资料，1-教师学习资料
  content: { type: String, required: false, maxLength: 2000 }, // 简介
  tags: [ String ], // 标签
  score: { type: String, required: false, maxLength: 200 }, // 资料得分
};


const schema = new Schema(MaterialSchema, { toJSON: { virtuals: true } });
schema.index({ id: 1 });
schema.plugin(metaPlugin);

module.exports = app => {
  const { mongoose } = app;
  return mongoose.model('Material', schema, 'material');
};