server/app/service/user/storeGoods.js

'use strict';
const { CrudService } = require('naf-framework-mongoose-free/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const _ = require('lodash');
const assert = require('assert');
const moment = require('moment');

//
class StoreGoodsService extends CrudService {
  constructor(ctx) {
    super(ctx, 'storegoods');
    this.model = this.ctx.model.User.StoreGoods;
  }
  async create({ goods }) {
    assert(goods, '缺少商品信息');
    const customer = _.get(this.ctx, 'user._id');
    assert(customer, '缺少用户信息');
    let data = await this.model.findOne({ customer, goods });
    if (data) {
      await this.model.deleteOne({ customer, goods });
      return { msg: '取消收藏', result: false };
    }
    data = await this.model.create({ customer, goods, time: moment().format('YYYY-MM-DD HH:mm:ss') });
    return { msg: '收藏成功', result: true };
  }
  // 检查是否收藏商品
  async check({ goods, customer }) {
    const num = await this.model.count({ goods, customer });
    return num > 0;
  }
}

module.exports = StoreGoodsService;