server-v2/app/service/wxpay.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');

//
class WxpayService extends CrudService {
  constructor(ctx) {
    super(ctx, 'wxpay');
    this.appConfig = 'newCourtApp';
    this.httpUtil = this.ctx.service.util.httpUtil;
    const { wechat } = this.app.config.httpPrefix;
    this.wxDomain = wechat;
  }
  /**
   * 查询订单
   * @param {String} order_no 订单号
   */
  async search(order_no) {
    assert(order_no, '缺少订单号,无法查询订单信息');
    const params = { config: this.appConfig, order_no };
    const url = `${this.wxDomain}/pay/searchOrderByOrderNo`;
    const wxOrderReq = await this.httpUtil.cpost(url, params);
    return wxOrderReq;
  }

  /**
   * 创建订单,获取微信支付签名
   * @param {Object} data 数据
   */
  async create(data) {
    const { money, openid, order_no, desc } = data;
    const wxOrderData = { config: this.appConfig, money, openid, order_no, desc };
    const url = `${this.wxDomain}/pay/payOrder`;
    const res = await this.httpUtil.cpost(url, wxOrderData);
    if (res) return res;
    throw new BusinessError(ErrorCode.SERVICE_FAULT, '微信下单失败!');
  }

  /**
   * 关闭订单
   * @param {String} order_no 订单号
   */
  async close(order_no) {
    assert(order_no, '缺少订单号,无法查询订单信息');
    const params = { config: this.appConfig, order_no };
    const url = `${this.wxDomain}/pay/closeOrder`;
    const res = await this.httpUtil.cpost(url, params);
    return res || 'ok';
  }

  /**
   * 退款
   * @param {String} order_no 订单号
   * @param {String} reason 原因
   */
  async refund(order_no, reason) {
    assert(order_no, '缺少订单号,无法查询订单信息');
    const url = `${this.wxDomain}/pay/refundOrder`;
    const params = { config: this.appConfig, order_no, reason };
    const wxRefundReq = await this.httpUtil.cpost(url, params);
    return wxRefundReq || 'ok';
  }
}

module.exports = WxpayService;