'use strict';
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const businessState = require('../../../../application/service/businessState.js')
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module.exports = {
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/**
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* 此函数名称
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* @url user/pub/test1 前端调用的url参数地址
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* @description 此函数描述
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* @params {Object} data 请求参数
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* @params {String} uniIdToken 用户token
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* @params {String} userInfo 当前登录用户信息（可信任，仅kh目录下的函数有此值）
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* pub目录下请求参数需要带上 need_user_info = true
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* @params {Object} util 公共工具包
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* @params {Object} filterResponse 过滤器返回的数据
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* @params {Object} originalParam 原始请求参数（包含了原始event和context）
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* data 请求参数 说明
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* @params {String} uid 当前登录用户id（可信任，仅kh目录下的函数有此值）
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* res 返回参数说明
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* @params {Number} code 错误码，0表示成功
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* @params {String} msg 详细信息
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*/
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main: async (event) => {
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// 注意: userInfo 和 uid 是可信任的，但默认只有kh目录下的函数才有此值
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let { data = {}, userInfo, util, originalParam } = event;
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let { customUtil, config, pubFun, vk, db, _ } = util;
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let { uid } = data;
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let res = {
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code: 0,
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msg: '',
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data: {}
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};
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// 业务逻辑开始-----------------------------------------------------------
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//课程主体
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res.data.courses = await vk.baseDao.findById({
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dbName: "course",
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id: data._id,
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whereJson: {
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is_show: 1,
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published_at: _.lte(pubFun.getNowTimeStr())
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}
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});
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// 用户历史记录
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let sonWhere = {}
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if (uid != null) sonWhere['user_id'] = uid
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// 章节信息
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res.data.test = await vk.baseDao.selects({
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dbName: "course_chapter",
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getMain: true,
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pageSize: 9999,
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fieldJson: { title: true },
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whereJson: { course_id: data._id },
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// 视频 和 讲义
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foreignDB: [{
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dbName: "course_videos",
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localKey: "_id",
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foreignKey: "chapter_id",
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as: "videos",
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fieldJson: { url: true, title: true, duration: true, free_seconds: true },
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whereJson: { course_id: data._id, is_show: 1 },
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sortArr: [{ "name": "sort", "type": "desc" }],
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// 观看情况
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foreignDB: [{
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dbName: "user_video_watch_records",
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localKey: "_id",
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foreignKey: "video_id",
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as: "watch_info",
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limit: 1,
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fieldJson: { _id: true },
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whereJson: sonWhere
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}]
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}, {
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dbName: "course_words",
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localKey: "_id",
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foreignKey: "chapter_id",
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as: "word",
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limit: 1,
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fieldJson: { url: true, title: true },
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whereJson: { course_id: data._id, is_show: 1 }
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}]
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});
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//获取用户课程购买情况
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res.data.has_buy = await businessState.hasBuyCourses(event, data._id, userInfo)
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if (uid != null) {
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let info = await vk.baseDao.findByWhereJson({
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dbName: "user_goods",
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whereJson: { goods_id: data._id, user_id: uid }
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})
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if (info != null) res.data.endTime = info.end_time
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}
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// 获取收藏状态
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if (uid == null) {
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res.data.star = 0
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} else {
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let info = await vk.baseDao.findByWhereJson({
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dbName: "user-star",
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whereJson: {
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user_id: uid,
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course_id: data._id
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}
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});
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res.data.star = info ? 1 : 0
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}
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// 业务逻辑结束-----------------------------------------------------------
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return res;
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}
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}
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