Order QueryPayInfo

go/gopath/src/fohow.com/apps/controllers/pay_controller/pay_exchange_controller.go

@@ -621,3 +621,137 @@ func FindMaxPaymentMethod(total_weixin, totalCoupon, paiedCash int64) string {
 
 	return paymentMethod
 }
+
+type PaymentDetails struct {
+	FirstPay   bool  // 是否首次支付
+	TotalPrice int64 // 订单总金额
+	Freight    int64 // 运费
+	PaySilver  int64 // 用银币支付的金额
+	PayCoupon  int64 // 用优惠券支付的金额
+	PayBalance int64 // 用余额支付的金额
+	Discount   int64 // 折扣金额
+	ShouldPay  int64 // 应支付金额
+}
+
+func (self *PayController) QueryPayInfo() {
+
+	oId := self.GetString("order_id")
+	pickWay, _ := self.GetInt64("pick_way")
+	useCoupon, _ := self.GetBool("use_coupon", false)
+	useBalance, _ := self.GetBool("use_balance", false)
+
+	payOrder.Lock()
+	defer payOrder.Unlock()
+	var details PaymentDetails
+
+	wxUId := self.GetCurrentWxUserIdByToken()
+	wxUser := user_model.GetWxUserById(wxUId, false)
+	if wxUser == nil {
+		self.ReturnError(403, apps.UserNeedLogin, "", nil)
+	}
+
+	//订单状态
+	order := order_model.GetOrderById(oId, false)
+	if order.Status != order_model.STATUS_UNPAY {
+		self.ReturnError(403, apps.NotUnPay, "", nil)
+	}
+	specialPromotion := order.SpecialPro
+	//获取购物商品明细
+	total_price := int64(0)
+	total_quan := int64(0)
+	total_weixin := int64(0)
+	paiedSilver := int64(0)
+	firstPay := true
+	//店长折扣
+	dis_amount := order.DisAmount
+	list := order_model.GetAllDetailsOrderId(order.OrderId, false)
+	for _, item := range list {
+		//商品状态
+		product := product_model.GetProductById(item.ProductId, false)
+		if product == nil {
+			self.ReturnError(403, []string{apps.ProductNotExist[0], fmt.Sprintf("%s产品不存在", product.Name)}, "", nil)
+		}
+		//非赠品计入价格
+		if !item.Send {
+			//微信支付金额统计
+			if product.UseQuan || specialPromotion {
+				total_quan += product.Price*item.Count - item.Silver
+			}
+			total_price += product.Price * item.Count
+			paiedSilver += item.Silver
+		}
+	}
+
+	//运费
+	freight := sys_config.GetFreight()
+	//第一次支付已更新支付方式，第一次支付才计算支付金额
+	if len(order.PayWay) <= 0 {
+		//计算运费
+		if total_price >= sys_config.GetOrderLimit() || pickWay == order_model.PICK_SHOP {
+			freight = int64(0)
+		}
+		tp := total_price
+		//抵扣银豆
+		if paiedSilver > tp {
+			paiedSilver = tp
+		}
+		tp -= paiedSilver
+
+		//若账户有提货券则优先抵扣提货券
+		totalCoupon := int64(0)
+		userLeftBalanceCount := balance_model.GetUserTotalBalance(wxUId)
+		tp += freight
+		total_quan = total_quan + freight
+		useCoupon = true
+		if useCoupon && userLeftBalanceCount > 0 {
+			if userLeftBalanceCount < total_quan {
+				totalCoupon = userLeftBalanceCount
+			} else {
+				totalCoupon = total_quan
+			}
+		}
+		total_weixin = tp - totalCoupon
+
+		//店长先抵扣折扣
+		paiedDis := int64(0)
+		if wxUser.Rank >= user_model.WX_USER_RANK_ONE && dis_amount > int64(0) {
+			if dis_amount < total_weixin {
+				paiedDis = dis_amount
+			} else {
+				paiedDis = total_weixin
+			}
+
+		}
+
+		total_weixin = total_weixin - paiedDis
+
+		//抵扣佣金
+		paiedCash := int64(0)
+		userLeftBalanceCash := balance_model.GetCashTotalBalance(wxUId)
+		if userLeftBalanceCash > int64(0) && useBalance {
+			if userLeftBalanceCash < total_weixin && total_weixin > 0 {
+				paiedCash = userLeftBalanceCash
+			} else {
+				paiedCash = total_weixin
+			}
+		}
+		total_weixin = total_weixin - paiedCash
+
+	} else {
+		firstPay = false
+		freight = order.Freight
+		paiedSilver = order.PaiedSilver
+		total_quan = order.CouponPrice
+		total_weixin = order.PaiedPrice
+	}
+	details.FirstPay = firstPay
+	details.Freight = freight
+	details.TotalPrice = total_price
+	details.PaySilver = paiedSilver
+	details.PayCoupon = total_quan
+	details.Discount = dis_amount
+	details.ShouldPay = total_weixin
+
+	self.Data["json"] = details
+	self.ServeJSON()
+}

go/gopath/src/fohow.com/routers/routes.go

@@ -128,6 +128,8 @@ func init() {
 	beego.Router("/v1/order_detail/:detail_id/commend", &order_controller.OrderController{}, "put:OrderCommend")
 	//----------- 支付相关 -----------
 	beego.Router("/v1/pay", &pay_controller.PayController{}, "post,get:Pay")
+	beego.Router("/v1/pay/query", &pay_controller.PayController{}, "post,get:QueryPayInfo")
+
 	beego.Router("/v1/pay/:target:string/async/:payway:string", &pay_controller.PayController{}, "post,get:PayAsync")
 	//生成充值提货券订单
 	beego.Router("/v1/balance_order/generate", &pay_controller.PayController{}, "post:CreateBalanceOrder")