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order.go
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order.go
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package controller
import (
"errors"
"fmt"
"net/http"
"strconv"
"sync"
"one-api/common"
"one-api/common/config"
"one-api/common/logger"
"one-api/common/utils"
"one-api/model"
"one-api/payment"
"one-api/payment/types"
"github.com/gin-gonic/gin"
)
type OrderRequest struct {
UUID string `json:"uuid" binding:"required"`
Amount int `json:"amount" binding:"required"`
}
type OrderResponse struct {
TradeNo string `json:"trade_no"`
*types.PayRequest
}
// CreateOrder
func CreateOrder(c *gin.Context) {
var orderReq OrderRequest
if err := c.ShouldBindJSON(&orderReq); err != nil {
common.APIRespondWithError(c, http.StatusOK, errors.New("invalid request"))
return
}
if orderReq.Amount <= 0 || orderReq.Amount < config.PaymentMinAmount {
common.APIRespondWithError(c, http.StatusOK, fmt.Errorf("金额必须大于等于 %d", config.PaymentMinAmount))
return
}
userId := c.GetInt("id")
user, err := model.GetUserById(userId, false)
if err != nil {
common.APIRespondWithError(c, http.StatusOK, errors.New("用户不存在"))
return
}
// 关闭用户未完成的订单
go model.CloseUnfinishedOrder()
paymentService, err := payment.NewPaymentService(orderReq.UUID)
if err != nil {
common.APIRespondWithError(c, http.StatusOK, err)
return
}
// 获取手续费和支付金额
discount, fee, payMoney := calculateOrderAmount(paymentService.Payment, orderReq.Amount)
// 开始支付
tradeNo := utils.GenerateTradeNo()
payRequest, err := paymentService.Pay(tradeNo, payMoney, user)
if err != nil {
common.APIRespondWithError(c, http.StatusOK, errors.New("创建支付失败,请稍后再试"))
return
}
// 创建订单
order := &model.Order{
UserId: userId,
GatewayId: paymentService.Payment.ID,
TradeNo: tradeNo,
Amount: orderReq.Amount,
OrderAmount: payMoney,
OrderCurrency: paymentService.Payment.Currency,
Fee: fee,
Discount: discount,
Status: model.OrderStatusPending,
Quota: orderReq.Amount * int(config.QuotaPerUnit),
}
err = order.Insert()
if err != nil {
common.APIRespondWithError(c, http.StatusOK, errors.New("创建订单失败,请稍后再试"))
return
}
orderResp := &OrderResponse{
TradeNo: tradeNo,
PayRequest: payRequest,
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": orderResp,
})
}
// tradeNo lock
var orderLocks sync.Map
var createLock sync.Mutex
// LockOrder 尝试对给定订单号加锁
func LockOrder(tradeNo string) {
lock, ok := orderLocks.Load(tradeNo)
if !ok {
createLock.Lock()
defer createLock.Unlock()
lock, ok = orderLocks.Load(tradeNo)
if !ok {
lock = new(sync.Mutex)
orderLocks.Store(tradeNo, lock)
}
}
lock.(*sync.Mutex).Lock()
}
// UnlockOrder 释放给定订单号的锁
func UnlockOrder(tradeNo string) {
lock, ok := orderLocks.Load(tradeNo)
if ok {
lock.(*sync.Mutex).Unlock()
}
}
func PaymentCallback(c *gin.Context) {
uuid := c.Param("uuid")
paymentService, err := payment.NewPaymentService(uuid)
if err != nil {
common.APIRespondWithError(c, http.StatusOK, errors.New("payment not found"))
return
}
payNotify, err := paymentService.HandleCallback(c, paymentService.Payment.Config)
if err != nil {
return
}
LockOrder(payNotify.GatewayNo)
defer UnlockOrder(payNotify.GatewayNo)
order, err := model.GetOrderByTradeNo(payNotify.TradeNo)
if err != nil {
logger.SysError(fmt.Sprintf("gateway callback failed to find order, trade_no: %s,", payNotify.TradeNo))
return
}
fmt.Println(order.Status, order.Status != model.OrderStatusPending)
if order.Status != model.OrderStatusPending {
return
}
order.GatewayNo = payNotify.GatewayNo
order.Status = model.OrderStatusSuccess
err = order.Update()
if err != nil {
logger.SysError(fmt.Sprintf("gateway callback failed to update order, trade_no: %s,", payNotify.TradeNo))
return
}
err = model.IncreaseUserQuota(order.UserId, order.Quota)
if err != nil {
logger.SysError(fmt.Sprintf("gateway callback failed to increase user quota, trade_no: %s,", payNotify.TradeNo))
return
}
model.RecordLog(order.UserId, model.LogTypeTopup, fmt.Sprintf("在线充值成功,充值积分: %d,支付金额:%.2f %s", order.Quota, order.OrderAmount, order.OrderCurrency))
}
func CheckOrderStatus(c *gin.Context) {
tradeNo := c.Query("trade_no")
userId := c.GetInt("id")
success := false
if tradeNo != "" {
order, err := model.GetUserOrder(userId, tradeNo)
if err == nil {
if order.Status == model.OrderStatusSuccess {
success = true
}
}
}
c.JSON(http.StatusOK, gin.H{
"success": success,
"message": "",
})
}
// discountMoney优惠金额 fee手续费,payMoney实付金额
func calculateOrderAmount(payment *model.Payment, amount int) (discountMoney, fee, payMoney float64) {
// 获取折扣
discount := common.GetRechargeDiscount(strconv.Itoa(amount))
newMoney := float64(amount) * discount // 折后价值
oldTotal := float64(amount) //原价值
if payment.PercentFee > 0 {
//手续费=(原始价值*折扣*手续费率)
fee = utils.Decimal(newMoney*payment.PercentFee, 2) //折后手续
oldTotal = utils.Decimal(oldTotal*(1+payment.PercentFee), 2)
} else if payment.FixedFee > 0 {
//固定费率不计算折扣
fee = payment.FixedFee
}
//实际费用=(折后价+折后手续费)*汇率
total := utils.Decimal(newMoney+fee, 2)
if payment.Currency == model.CurrencyTypeUSD {
payMoney = total
} else {
oldTotal = utils.Decimal(oldTotal*config.PaymentUSDRate, 2)
payMoney = utils.Decimal(total*config.PaymentUSDRate, 2)
}
discountMoney = oldTotal - payMoney //折扣金额 = 原价值-实际支付价值
return
}
func GetOrderList(c *gin.Context) {
var params model.SearchOrderParams
if err := c.ShouldBindQuery(¶ms); err != nil {
common.APIRespondWithError(c, http.StatusOK, err)
return
}
payments, err := model.GetOrderList(¶ms)
if err != nil {
common.APIRespondWithError(c, http.StatusOK, err)
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": payments,
})
}