server/app/service/view/shop.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');

// 店铺类视图
class ShopService extends CrudService {
  constructor(ctx) {
    super(ctx, 'shop');
    this.model = this.ctx.model.Shop.Shop;
    this.storeShopModel = this.ctx.model.User.StoreShop;
  }

  // 微店页面查询
  async microIndex(condition, options) {
    let list = await this.ctx.service.shop.shop.query(condition, { ...options, projection: [ 'name', 'logo' ] });
    list = JSON.parse(JSON.stringify(list));
    const customer = _.get(this.ctx, 'user._id');
    const arr = [];
    for (const s of list) {
      const { _id: shop, name, logo } = s;
      const market_num = await this.ctx.service.shop.goods.count({ shop, status: '1' });
      // 收藏
      const follow_num = await this.storeShopModel.count({ shop });
      // 当前用户是否收藏
      let is_follow = false;
      if (customer) {
        const store_num = await this.storeShopModel.count({ shop, customer });
        is_follow = store_num > 0;
      }
      const res = await this.ctx.service.view.goods.indexGoodsList({ shop }, { skip: 0, limit: 3 });
      const obj = { _id: shop, logo, name, market_num, follow_num, is_follow, market: res.list };
      arr.push(obj);
    }

    return arr;
  }
}

module.exports = ShopService;