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| 'use strict';
| module.exports = {
| /**
| * 改变收藏状态
| * @url client/course/pub/change_star 前端调用的url参数地址
| * data 请求参数
| * @param {String} params1 参数1
| */
| main: async (event) => {
| let { data = {}, userInfo, util, filterResponse, originalParam } = event;
| let { customUtil, uniID, config, pubFun, vk, db, _ } = util;
| let { uid, course_id, status } = data;
| let res = { code: 0, msg: "" };
| // 业务逻辑开始-----------------------------------------------------------
| if (uid == null) return {
| code: -1,
| msg: "用户未登录"
| }
| const transaction = await vk.baseDao.startTransaction();
|
| try {
| // 收藏
| if (status == 0) {
| await vk.baseDao.add({
| dbName: "user-star",
| dataJson: {
| user_id: uid,
| course_id: course_id
| }
| });
| await transaction.commit();
| return {
| code: 0,
| msg: "收藏成功",
| noStatus: 1
| }
| }
| // 取消收藏
| if (status == 1) {
| await vk.baseDao.del({
| dbName: "user-star",
| whereJson: {
| user_id: uid,
| course_id: course_id
| }
| });
| await transaction.commit();
| return {
| code: 0,
| msg: "已取消收藏",
| noStatus: 0
| }
| }
|
| } catch (err) {
| // 事务回滚
| await transaction.rollback();
| console.error(`transaction error`, err)
| return {
| code: -1,
| msg: "收藏失败",
| err: {
| message: err.message,
| stack: err.stack
| }
| }
| }
|
| // 业务逻辑结束-----------------------------------------------------------
| return res;
| }
| }
|
|
