feat: integrated Alipay payment module

api/service/payment/alipay_service.go

@@ -0,0 +1,142 @@
+package payment
+
+import (
+	"chatplus/core/types"
+	logger2 "chatplus/logger"
+	"fmt"
+	"github.com/smartwalle/alipay/v3"
+	"log"
+	"net/url"
+	"os"
+)
+
+type AlipayService struct {
+	config *types.AlipayConfig
+	client *alipay.Client
+}
+
+var logger = logger2.GetLogger()
+
+func NewAlipayService(appConfig *types.AppConfig) (*AlipayService, error) {
+	config := appConfig.AlipayConfig
+	if !config.Enabled {
+		logger.Info("Disabled alipay service")
+		return nil, nil
+	}
+	priKey, err := readKey(config.PrivateKey)
+	if err != nil {
+		return nil, err
+	}
+
+	xClient, err := alipay.New(config.AppId, priKey, true)
+	if err != nil {
+		return nil, fmt.Errorf("error with initialize alipay service: %v", err)
+	}
+
+	if err = xClient.LoadAppCertPublicKeyFromFile(config.PublicKey); err != nil {
+		return nil, fmt.Errorf("error with loading alipay CertPublicKey: %v", err)
+	}
+	if err = xClient.LoadAliPayRootCertFromFile(config.RootCert); err != nil {
+		return nil, fmt.Errorf("error with loading alipay RootCert: %v", err)
+	}
+	if err = xClient.LoadAlipayCertPublicKeyFromFile(config.AlipayPublicKey); err != nil {
+		return nil, fmt.Errorf("error with loading alipay AlipayCertPublicKey: %v", err)
+	}
+
+	return &AlipayService{config: &config, client: xClient}, nil
+}
+
+func (s *AlipayService) PayUrlMobile(outTradeNo string, notifyURL string, returnURL string, Amount string, subject string) (string, error) {
+	var p = alipay.TradeWapPay{}
+	p.NotifyURL = notifyURL
+	p.ReturnURL = returnURL
+	p.Subject = subject
+	p.OutTradeNo = outTradeNo
+	p.TotalAmount = Amount
+	p.ProductCode = "QUICK_WAP_WAY"
+	res, err := s.client.TradeWapPay(p)
+	if err != nil {
+		return "", err
+	}
+
+	return res.String(), err
+}
+
+func (s *AlipayService) PayUrlPc(outTradeNo string, notifyURL string, returnURL string, amount string, subject string) (string, error) {
+	var p = alipay.TradePagePay{}
+	p.NotifyURL = notifyURL
+	p.ReturnURL = returnURL
+	p.Subject = subject
+	p.OutTradeNo = outTradeNo
+	p.TotalAmount = amount
+	p.ProductCode = "FAST_INSTANT_TRADE_PAY"
+	res, err := s.client.TradePagePay(p)
+	if err != nil {
+		return "", nil
+	}
+
+	return res.String(), err
+}
+
+// TradeVerify 交易验证
+func (s *AlipayService) TradeVerify(reqForm url.Values) NotifyVo {
+	err := s.client.VerifySign(reqForm)
+	if err != nil {
+		log.Println("异步通知验证签名发生错误", err)
+		return NotifyVo{
+			Status:  0,
+			Message: "异步通知验证签名发生错误",
+		}
+	}
+
+	return s.TradeQuery(reqForm.Get("out_trade_no"))
+}
+
+func (s *AlipayService) TradeQuery(outTradeNo string) NotifyVo {
+	var p = alipay.TradeQuery{}
+	p.OutTradeNo = outTradeNo
+	rsp, err := s.client.TradeQuery(p)
+	if err != nil {
+		return NotifyVo{
+			Status:  0,
+			Message: "异步查询验证订单信息发生错误" + outTradeNo + err.Error(),
+		}
+	}
+
+	if rsp.IsSuccess() == true && rsp.TradeStatus == "TRADE_SUCCESS" {
+		return NotifyVo{
+			Status:     1,
+			OutTradeNo: rsp.OutTradeNo,
+			TradeNo:    rsp.TradeNo,
+			Amount:     rsp.TotalAmount,
+			Subject:    rsp.Subject,
+			Message:    "OK",
+		}
+	} else {
+		return NotifyVo{
+			Status:  0,
+			Message: "异步查询验证订单信息发生错误" + outTradeNo,
+		}
+	}
+}
+
+func readKey(filename string) (string, error) {
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}
+
+type NotifyVo struct {
+	Status     int
+	OutTradeNo string
+	TradeNo    string
+	Amount     string
+	Message    string
+	Subject    string
+}
+
+func (v NotifyVo) Success() bool {
+	return v.Status == 1
+}