feat: 支付闭环
This commit is contained in:
Blizzard
@@ -0,0 +1,204 @@
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package radio
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import (
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"context"
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"net/http"
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"sundynix-go/global"
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"sundynix-go/model/radio"
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"sundynix-go/model/system"
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"sundynix-go/utils/wechat"
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"github.com/gin-gonic/gin"
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"github.com/wechatpay-apiv3/wechatpay-go/core"
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"github.com/wechatpay-apiv3/wechatpay-go/core/auth/verifiers"
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"github.com/wechatpay-apiv3/wechatpay-go/core/notify"
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"github.com/wechatpay-apiv3/wechatpay-go/services/payments"
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"github.com/wechatpay-apiv3/wechatpay-go/services/payments/jsapi"
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"github.com/wechatpay-apiv3/wechatpay-go/utils"
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"go.uber.org/zap"
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"gorm.io/gorm"
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)
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type PayService struct{}
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var PayServiceApp = new(PayService)
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// PrePay 预支付
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func (s *PayService) PrePay(orderId, userId string) (resp *jsapi.PrepayWithRequestPaymentResponse, err error) {
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//1.查询订单和 用户
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var order radio.Order
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err = global.DB.Where("id = ?", orderId).First(&order).Error
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if err != nil {
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return nil, err
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}
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var user system.User
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err = global.DB.Where("id = ?", userId).First(&user).Error
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if err != nil {
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return nil, err
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}
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payClient, err := wechat.GetWxPayClient()
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if err != nil {
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return nil, err
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}
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svc := jsapi.JsapiApiService{Client: payClient}
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result, _, err := svc.PrepayWithRequestPayment(context.Background(),
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jsapi.PrepayRequest{
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Appid: core.String(global.Config.MiniProgram.AppId),
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Mchid: core.String(global.Config.WechatPay.MchId),
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Description: core.String(order.Name),
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OutTradeNo: core.String(order.OutTradeNo),
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//TimeExpire: core.Time(time.Now()), //选填
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//Attach: core.String("自定义数据说明"), //选填
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NotifyUrl: core.String(global.Config.WechatPay.NotifyUrl),
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//GoodsTag: core.String("WXG"), //选填
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//SupportFapiao: core.Bool(false), //选填
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Amount: &jsapi.Amount{
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Currency: core.String("CNY"),
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Total: core.Int64(int64(order.Amount)),
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},
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Payer: &jsapi.Payer{
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Openid: core.String(user.MiniOpenId),
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},
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//Detail: &jsapi.Detail{
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// CostPrice: core.Int64(608800),
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// GoodsDetail: []jsapi.GoodsDetail{jsapi.GoodsDetail{
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// GoodsName: core.String("iPhoneX 256G"),
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// MerchantGoodsId: core.String("ABC"),
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// Quantity: core.Int64(1),
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// UnitPrice: core.Int64(828800),
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// WechatpayGoodsId: core.String("1001"),
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// }},
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// InvoiceId: core.String("wx123"),
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//}, //选填
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//SceneInfo: &jsapi.SceneInfo{
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// DeviceId: core.String("013467007045764"),
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// PayerClientIp: core.String("14.23.150.211"),
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// StoreInfo: &jsapi.StoreInfo{
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// Address: core.String("广东省深圳市南山区科技中一道10000号"),
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// AreaCode: core.String("440305"),
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// Id: core.String("0001"),
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// Name: core.String("腾讯大厦分店"),
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// },
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//},
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//SettleInfo: &jsapi.SettleInfo{
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// ProfitSharing: core.Bool(false),
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//}, //选填
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})
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if err != nil {
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return nil, err
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}
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return result, nil
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}
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// PayCallback 支付回调
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func (s *PayService) PayCallback(c *gin.Context) error {
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//1.加载共钥
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mchPublicKeyPath := global.Config.WechatPay.PublicKeyPath
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mchPublicKey, err := utils.LoadPublicKeyWithPath(mchPublicKeyPath)
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if err != nil {
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return err
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}
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ctx := context.Background()
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//2.创建客户端
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handler, err := notify.NewRSANotifyHandler(global.Config.WechatPay.MchAPIv3Key,
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verifiers.NewSHA256WithRSAPubkeyVerifier(global.Config.WechatPay.PublicKeyId, *mchPublicKey))
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if err != nil {
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return err
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}
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//3.验签 解密
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//将支付回调通知中的内容，解析为 payments.Transaction。
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transaction := new(payments.Transaction)
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notifyReq, err := handler.ParseNotifyRequest(ctx, c.Request, transaction)
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// 4.如果验签未通过，或者解密失败
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if err != nil {
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//应答微信
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
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"code": "FAIL",
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"message": "失败",
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})
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global.Logger.Error("wxPay回调-验签或解密:", zap.Error(err))
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return err
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}
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//5.应答微信
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c.Status(http.StatusOK)
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// 6.处理通知内容
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global.Logger.Info("wxPay回调-成功:", zap.Any("notifyReq", notifyReq.Summary))
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//7. 异步处理数据
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go func() {
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err = global.DB.Transaction(func(tx *gorm.DB) error {
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//7.1 回调记录
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payNotify := radio.PayNotify{
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Amount: *transaction.Amount.Total,
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Currency: *transaction.Amount.Currency,
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PayerCurrency: *transaction.Amount.PayerCurrency,
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PayerTotal: *transaction.Amount.PayerTotal,
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Appid: *transaction.Appid,
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MchId: *transaction.Mchid,
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OutTradeNo: *transaction.OutTradeNo,
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Attach: *transaction.Attach,
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BankType: *transaction.BankType,
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Payer: *transaction.Payer.Openid,
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SuccessTime: *transaction.SuccessTime,
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TradeState: *transaction.TradeState,
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TradeStateDesc: *transaction.TradeStateDesc,
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TradeType: *transaction.TradeType,
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TransactionId: *transaction.TransactionId,
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}
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err = global.DB.Create(&payNotify).Error
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if err != nil {
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global.Logger.Error("wxPay回调-存储数据异常:", zap.Error(err))
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}
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if payNotify.TradeState == "SUCCESS" {
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return OrderServiceApp.ExecuteOrderUnlock(tx, *transaction.OutTradeNo)
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}
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if err != nil {
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return err
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}
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return nil
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})
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}()
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return nil
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}
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// QueryPay 根据商户订单号查询订单状态
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func (s *PayService) QueryPay(no string, userId string) (bool, error) {
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var order radio.Order
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if err := global.DB.Where("out_trade_no = ?", no).First(&order).Error; err != nil {
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return false, err
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}
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// 1. 如果本地已经成功，直接返回成功
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if order.Status == 1 {
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return true, nil
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}
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//2.本地还是待支付，主动调用微信 API 查询
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payClient, err := wechat.GetWxPayClient()
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if err != nil {
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return false, err
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}
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svc := jsapi.JsapiApiService{Client: payClient}
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resp, _, err := svc.QueryOrderByOutTradeNo(context.Background(), jsapi.QueryOrderByOutTradeNoRequest{
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OutTradeNo: core.String(no),
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Mchid: core.String(global.Config.WechatPay.MchId),
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})
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if err != nil {
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return false, err
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}
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global.Logger.Info("查询订单状态:", zap.Any("resp", resp))
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state := *resp.TradeState
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outTradeNo := *resp.OutTradeNo
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if state == "SUCCESS" {
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// 3. 微信那边付过了，本地还没解锁，立即执行事务
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err = global.DB.Transaction(func(tx *gorm.DB) error {
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return OrderServiceApp.ExecuteOrderUnlock(tx, outTradeNo)
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})
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if err != nil {
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return false, err
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}
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}
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return true, nil
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}
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