server/app/model/shop/goodsJoinAct.js

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

const gift = {
  type: [ 'goods', 'desc' ], // 平台商品; 赠品描述
  goods: { type: String, zh: '商品' },
  spec: { type: String, zh: '规格' },
  desc: { type: String, zh: '赠品描述' }, // 即使是有赠品有关联,也可以写描述,例如:200件,赠完为止
};

const set = {
  goods: { type: String, zh: '商品' },
  spec: { type: String, zh: '规格' },
  num: { type: Number, zh: '套装销售数量' },
  money: { type: Number, zh: '套装销售价格' },
};

const config = {
  // 1.买赠: 关联赠品/描述赠品 赠品不一定只是商品, 还可能不是登陆在平台上的商品
  gift: { type: [ gift ] },

  // 2.特价: 设置商品的活动销售价
  sp_price: { type: Number, zh: '特价' },

  // 3.加价购: 标注这个商品是 基础商品 还是 加价购置的商品
  goods_type: { type: [ 'basic', 'plus' ] },
  plus_money: { type: Number, zh: '加价金额' },
  // 4.套装(另加表,不这样做了): 关联商品 以及 每个商品设置的价格; 外边的goods为主商品, 只有主商品才能看到套装; 进入购物车与下单,订单时,也是套装出现
  set: { type: [ set ] },
};


// 参加平台活动商品
const goodsJoinAct = {
  platform_act: { type: String, required: false, zh: '平台活动', ref: 'System.PlatformAct' }, //
  platform_act_type: { type: String, required: false, zh: '平台活动类型' }, //
  shop: { type: String, required: false, zh: '店铺', ref: 'Shop.Shop' }, //
  goods: { type: Object, required: false, zh: '商品' }, // 复制商品过来
  spec: { type: Object, required: false, zh: '规格' }, // 复制指定规格过来
  config: { type: Object, required: false, zh: '设置' }, // 各种设置都放这里,一个一个字段写,写不完还得总更新
  status: { type: String, required: false, default: '0', zh: '状态' }, // 字典:platformAct_goods_status
};
const schema = new Schema(goodsJoinAct, { toJSON: { getters: true, virtuals: true } });
schema.index({ id: 1 });
schema.index({ 'meta.createdAt': 1 });
schema.index({ platform_act: 1 });
schema.index({ platform_act_type: 1 });
schema.index({ shop: 1 });
schema.index({ 'goods._id': 1 });
schema.index({ 'spec._id': 1 });
schema.index({ status: 1 });

schema.plugin(metaPlugin);

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