yuleduiPay/service/payservice.go

package service

import (
	"encoding/json"
	"errors"
	"fmt"
	"strconv"
	"time"
	"yuleduiPay/common"
	"yuleduiPay/repo"
	"yuleduiPay/service/po"
	"yuleduiPay/service/vo"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/os/gtime"
	"github.com/gogf/gf/v2/util/guid"
)

type Pay struct {
	payOrderRepo repo.PayOrder
	shopRepo     repo.Shop
}

// 微信小程序，扫码支付
func (t *Pay) PayQrCode(r *ghttp.Request) {
	g.Log().Line().Print(nil, r.Request) //todo
	req := vo.PayQrCodeReq{}
	err := r.Parse(&req)
	if err != nil {
		r.SetError(err)
		return
	}
	g.Log().Line().Printf(nil, "%+v", req)
	//获取订单信息
	shop, err := t.shopRepo.GetShopById(req.ShopId)
	if err != nil {
		r.SetError(err)
		return
	}
	//创建订单记录
	payOrder := po.PayOrder{}
	payOrder.OrderId = guid.S()
	payOrder.Price, err = strconv.ParseFloat(req.Price, 64)
	if err != nil {
		r.SetError(err)
		return
	}
	payOrder.Amount, err = strconv.ParseFloat(req.Amount, 64)
	if err != nil {
		r.SetError(err)
		return
	}
	payOrder.Bean, err = strconv.ParseFloat(req.Bean, 64)
	if err != nil {
		r.SetError(err)
		return
	}
	payOrder.OpenId = req.OpenId
	payOrder.Mobile = req.Mobile
	payOrder.ShopId = req.ShopId
	payOrder.Channel = req.Channel
	payOrder.Created = gtime.Now()
	payOrder.Updated = payOrder.Created

	err = t.payOrderRepo.CreatePayOrder(&payOrder)
	if err != nil {
		r.SetError(err)
		return
	}

	yseRespBytes, err := t.ysePayRequestJson(shop, &payOrder) //访问java项目，获取银盛返回的结果
	if err != nil {
		r.SetError(err)
		return
	}
	fmt.Println("------:", string(yseRespBytes))

	yseResp, err := t.yseParseResp(payOrder.Channel, yseRespBytes) //解析报文返回的报文
	if err != nil {
		r.SetError(err)
		return
	}
	fmt.Println(yseResp)
	if yseResp.OutTradeNo != payOrder.OpenId {
		errStr := fmt.Sprintf("银盛返回订单号错误，银盛订单号:%s,余乐兑订单号:%s", yseResp.OutTradeNo, payOrder.OpenId)
		r.SetError(errors.New(errStr))
		return
	}
	//更新支付订单表字段
	updates := g.Map{"ysePayStatus": yseResp.TradeStatus, "updated": time.Now()}
	err = t.payOrderRepo.UpdatePayOrderByOrderId(updates, payOrder.OpenId)
	if err != nil {
		r.SetError(err)
	}
	return
}
func (t *Pay) yseParseResp(channel int, respBytes []byte) (*vo.BusPayResp, error) {
	yepayOnlineWeixinPayResponse := &vo.BusPayResp{}
	if channel == 1 { //微信
		ysePayResp := &vo.WxPayResp{}
		err := json.Unmarshal(respBytes, ysePayResp)
		if err != nil {
			return nil, err
		}
		fmt.Println("银盛返回的应答:", ysePayResp)
		yepayOnlineWeixinPayResponse = &ysePayResp.YsepayOnlineWeixinPayResponse
	} else { //支付宝
		ysePayResp := &vo.ZfbPayResp{}
		err := json.Unmarshal(respBytes, ysePayResp)
		if err != nil {
			return nil, err
		}
		fmt.Println("银盛返回的应答:", ysePayResp)
		yepayOnlineWeixinPayResponse = &ysePayResp.YsepayOnlineAlijsapiPayResponse

	}
	if yepayOnlineWeixinPayResponse.Code != "10000" {
		return nil, errors.New("银盛应答返回错误:" + yepayOnlineWeixinPayResponse.Msg)
	}
	return yepayOnlineWeixinPayResponse, nil
}

func (t *Pay) ysePayRequestJson(shop *po.Shop, payOrder *po.PayOrder) ([]byte, error) {
	//业务请求参数
	busReq := vo.PayBusReq{}
	busReq.OutTradeNo = payOrder.OrderId                                  //订单编号
	busReq.Shopdate = payOrder.Created.Format("20060102")                 //商户系统的交易发生日期格式
	busReq.Subject = "余乐兑小程序订单"                                           //订单备注
	busReq.TotalAmount = fmt.Sprintf("%.2f", payOrder.Price)              //该笔订单的资金总额,保留两位小数
	busReq.Currency = "CNY"                                               //默认人民币
	busReq.SellerId = shop.ChildAccountNumber                             //银盛商户ID                                        //订单备注
	busReq.SellerName = shop.ShopName                                     //店铺名称
	busReq.TimeoutExpress = "1h"                                          //设置未付款交易的超时时间，一个小时
	busReq.BusinessCode = g.Cfg().MustGet(nil, "ysepay.busCode").String() //业务代码

	var bjson []byte
	var err error
	if payOrder.Channel == 1 { //微信渠道
		wxBusReq := vo.PayWxBusReq{PayBusReq: busReq}
		wxBusReq.SubOpenid = payOrder.OpenId                           //微信用户ID
		wxBusReq.IsMinipg = "1"                                        //微信小程序支付:1
		wxBusReq.Appid = g.Cfg().MustGet(nil, "weixin.appId").String() //微信小程序APPID
		bjson, err = json.Marshal(wxBusReq)
		if err != nil {
			return nil, err
		}
	} else { //支付宝渠道
		zfBusReq := vo.PayZfBusReq{PayBusReq: busReq}
		zfBusReq.BuyerId = payOrder.OpenId //支付宝用户ID
		bjson, err = json.Marshal(zfBusReq)
		if err != nil {
			return nil, err
		}
	}

	commonReq := vo.PayCommonReq{}
	if payOrder.Channel == 1 { //微信渠道
		commonReq.Method = "ysepay.online.weixin.pay"
	} else { //支付宝渠道
		commonReq.Method = "ysepay.online.alijsapi.pay"
	}
	commonReq.PartnerId = g.Cfg().MustGet(nil, "ysepay.CERTID").String()    //在银盛支付开设的服务商商户号
	commonReq.Timestamp = time.Now().Format("2006-01-02 15:04:05")          //发送请求的时间
	commonReq.Charset = "UTF-8"                                             //商户网站使用的编码格式
	commonReq.SignType = "SM"                                               //报文签名算法
	commonReq.NotifyUrl = g.Cfg().MustGet(nil, "ysepay.notifyUrl").String() //交易成功异步通知到商户的后台地址
	commonReq.Version = "3.0"                                               //接口版本

	commonReq.BizContent = string(bjson)
	bjson, err = json.Marshal(&commonReq)
	if err != nil {
		return nil, err
	}
	url := g.Cfg().MustGet(nil, "ysepay.url").String()
	xxx := string(bjson)
	fmt.Println(xxx)
	//发送给java项目，让其访问银盛接口
	bjson, err = common.HttpPost(url, "application/json", bjson)
	if err != nil {
		return nil, err
	}
	return bjson, err
}