PaymentCenter/app/services/thirdpay/thirdpay_notify/notify.go

package thirdpay_notify

import (
	"PaymentCenter/app/constants/common"
	"PaymentCenter/app/constants/errorcode"
	"PaymentCenter/app/data"
	"PaymentCenter/app/http/entities"
	"PaymentCenter/app/models/appmodel"
	"PaymentCenter/app/models/ordercallbacklogmodel"
	"PaymentCenter/app/models/ordersmodel"
	"PaymentCenter/app/services"
	"PaymentCenter/app/utils"
	"PaymentCenter/app/utils/httpclient"
	"github.com/bytedance/sonic"
	"time"
	"xorm.io/builder"
)

type OrderNotify struct {
	order *ordersmodel.Orders
	Code  int
	app   *appmodel.App

	OrderId      int64
	Status       int //订单状态
	ActualAmount int // 支付上游返回的订单金额，单位为分。该参数的值为支付时传入的
	PayerTotal   int // 用户实际支付金额，单位为分
	Msg          string
	CompleteTime time.Time
}

type OrderNotifyResp struct {
	OrderId  int64
	Send     bool
	ErrCode  int
	SendTime time.Time
	Content  *OrderNotify
}

type OrderNotifySendContent struct {
	OrderId      int64  `json:"order_id"`
	OutTradeNo   string `json:"out_trade_no"`
	CompleteTime string `json:"complete_time"`
	OrderType    int    `json:"order_type"`
	Status       int    `json:"status"`
	Msg          string `json:"msg"`
	ErrCode      int    `json:"err_code"`
	AppId        int64  `json:"app_id"`
	ChannelId    int64  `json:"channel_id"`
	//MerchantId   int64  `json:"merchant_id"`
	Amount     int `json:"amount"`
	PayerTotal int `json:"payer_total"`
}

// actualAmount 订单支付总金额，支付时传入
// payerTotal 用户实际支付金额，（有优惠券的情况下，payerTotal = actualAmount - 优惠金额）
func NewOrderNotifyWithHandle(orderId int64, code int, Status int, actualAmount int, payerTotal int, msg string) *OrderNotifyResp {
	orderNotify := &OrderNotify{
		OrderId:      orderId,
		Status:       Status,
		ActualAmount: actualAmount,
		Msg:          msg,
		Code:         code,
		PayerTotal:   payerTotal,
	}
	return orderNotify.Handle()
}

func (o *OrderNotify) NotifyRespFail(errorCode int) *OrderNotifyResp {
	return &OrderNotifyResp{
		OrderId: o.OrderId,
		Send:    false,
		ErrCode: errorCode,
		Content: o,
	}
}

func (o *OrderNotify) Handle() (res *OrderNotifyResp) {
	if o.Code != errorcode.Success {
		return o.NotifyRespFail(o.Code)
	}
	o.checkOrder()
	if o.Code != errorcode.Success {
		return o.NotifyRespFail(o.Code)
	}
	o.checkApp()
	if o.Code != errorcode.Success {
		return o.NotifyRespFail(o.Code)
	}
	o.updateOrder()
	if o.Code != errorcode.Success {
		return o.NotifyRespFail(o.Code)
	}
	o.CompleteTime = time.Now()
	o.sendNotify(o.setBody())
	if o.Code != errorcode.Success {
		return o.NotifyRespFail(o.Code)
	}
	return &OrderNotifyResp{
		OrderId: o.OrderId,
		Send:    true,
		ErrCode: o.Code,
		Content: o,
	}
}

// 发送下游回调通知
func (o *OrderNotify) sendNotify(body *OrderNotifySendContent) {
	if o.app.NotifyUrl == "" {
		o.Code = errorcode.AppNotifyUrlNotFound
		return
	}
	var callbackStatus = common.STATUS_ENABLE

	bodyByte, _ := sonic.Marshal(&body)
	headers := make(map[string]string, 1)
	headers["Content-Type"] = "application/json"
	resByte, err := httpclient.FastHttpPost(o.app.NotifyUrl, headers, bodyByte, 0)
	type errResp struct {
		Url      string `json:"url,omitempty"`
		Response string `json:"response,omitempty"`
		Error    string `json:"error,omitempty"`
	}
	var errRespObj = errResp{}
	// 处理错误
	if err != nil || string(resByte) != "success" {
		o.Code = errorcode.NotifySendFail
		callbackStatus = common.STATUS_DISABLED
		if err != nil {
			errRespObj.Error = err.Error()
		}
		errRespObj.Url = o.app.NotifyUrl
		utils.Log(nil, "回调通知失败error", string(resByte), err, errRespObj)
	}

	if len(resByte) > 255 {
		resByte = resByte[0:255]
	}
	errRespObj.Response = string(resByte)
	b, _ := sonic.Marshal(errRespObj)

	// 记录回调日志
	go func(orderId int64, status int, request, response string) {
		repo := data.NewOrderCallbackLogRepo(ordercallbacklogmodel.GetInstance().GetDb())
		log := ordercallbacklogmodel.OrderCallbackLog{
			OrderId:          orderId,
			MerchantRequest:  request,
			Status:           status,
			MerchantResponse: response,
		}
		_, insertErr := repo.OrderCallbackLogInsertOne(&log)
		if insertErr != nil {
			utils.Log(nil, "回调写入日志error", insertErr)
		}
	}(o.OrderId, callbackStatus, string(bodyByte), string(b))
	return
}

func (o *OrderNotify) setBody() *OrderNotifySendContent {
	return &OrderNotifySendContent{
		OrderId:      o.OrderId,
		OutTradeNo:   o.order.OutTradeNo,
		CompleteTime: o.CompleteTime.Format("2006-01-02 15:04:05"),
		Status:       o.order.Status,
		OrderType:    o.order.OrderType,
		Msg:          o.Msg,
		ErrCode:      o.Code,
		AppId:        o.order.AppId,
		ChannelId:    o.order.PayChannelId,
		//MerchantId: o.order.MerchantId,
		Amount:     o.order.ActualAmount, // 订单支付总金额，支付时传入
		PayerTotal: o.order.PayerTotal,
	}
}

func (o *OrderNotify) updateOrder() {
	if _, ok := common.OrderStatusMap[o.Status]; !ok {

		o.Code = errorcode.OrderStatusErr
		return
	}
	// 支付金额和上游支付金额不一致，记录日志
	if o.order.Amount != o.ActualAmount {
		utils.Log(nil, "支付金额和上游支付金额不一致", o.order.Id, o.order.Amount, o.ActualAmount)
	}
	o.order.Status = o.Status
	o.order.ActualAmount = o.ActualAmount
	o.order.PayerTotal = o.PayerTotal
	o.Code = services.OrderUpdate(o.order, "status")
	return
}

func (o *OrderNotify) checkApp() {
	o.app, o.Code = services.AppFindOne(entities.IdRequest{Id: o.order.AppId})
	if o.Code != errorcode.Success {
		return
	}

	//if o.app.NotifyUrl == "" {
	//	o.Code = errorcode.AppNotifyUrlNotFound
	//	return
	//}

	return
}

func (o *OrderNotify) checkOrder() {
	cond := builder.NewCond()
	cond = cond.And(builder.Eq{"id": o.OrderId})
	o.order, o.Code = services.OrderFindOne(&ordersmodel.Orders{}, cond)
	if o.Code != errorcode.OrdersExist {
		return
	}

	if o.order.Status != common.ORDER_STATUS_PAYING {
		o.Code = errorcode.OrderStatusErr
		return
	}
	return
}