feat(all): v1.0

app/user/cmd/api/internal/service/alipayService.go

@@ -0,0 +1,137 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"github.com/smartwalle/alipay/v3"
+	mathrand "math/rand"
+	"net/http"
+	"qnc-server/app/user/cmd/api/internal/config"
+	"qnc-server/pkg/lzkit/lzUtils"
+	"strconv"
+	"time"
+)
+
+type AliPayService struct {
+	config       config.AlipayConfig
+	AlipayClient *alipay.Client
+}
+
+// NewAliPayService 是一个构造函数，用于初始化 AliPayService
+func NewAliPayService(c config.Config) *AliPayService {
+	client, err := alipay.New(c.Alipay.AppID, c.Alipay.PrivateKey, c.Alipay.IsProduction)
+	if err != nil {
+		panic(fmt.Sprintf("创建支付宝客户端失败: %v", err))
+	}
+
+	// 加载支付宝公钥
+	err = client.LoadAliPayPublicKey(c.Alipay.AlipayPublicKey)
+	if err != nil {
+		panic(fmt.Sprintf("加载支付宝公钥失败: %v", err))
+	}
+	return &AliPayService{
+		config:       c.Alipay,
+		AlipayClient: client,
+	}
+}
+
+func (a *AliPayService) CreateAlipayAppOrder(amount float64, subject string, outTradeNo string) (string, error) {
+	client := a.AlipayClient
+	totalAmount := lzUtils.ToAlipayAmount(amount)
+	// 构造移动支付请求
+	p := alipay.TradeAppPay{
+		Trade: alipay.Trade{
+			Subject:     subject,
+			OutTradeNo:  outTradeNo,
+			TotalAmount: totalAmount,
+			ProductCode: "QUICK_MSECURITY_PAY", // 移动端支付专用代码
+			NotifyURL:   a.config.NotifyUrl,    // 异步回调通知地址
+		},
+	}
+
+	// 获取APP支付字符串，这里会签名
+	payStr, err := client.TradeAppPay(p)
+	if err != nil {
+		return "", fmt.Errorf("创建支付宝订单失败: %v", err)
+	}
+
+	return payStr, nil
+}
+
+// AliRefund 发起支付宝退款
+func (a *AliPayService) AliRefund(ctx context.Context, outTradeNo string, refundAmount float64) (*alipay.TradeRefundRsp, error) {
+	refund := alipay.TradeRefund{
+		OutTradeNo:   outTradeNo,
+		RefundAmount: lzUtils.ToAlipayAmount(refundAmount),
+		OutRequestNo: fmt.Sprintf("%s-refund", outTradeNo),
+	}
+
+	// 发起退款请求
+	refundResp, err := a.AlipayClient.TradeRefund(ctx, refund)
+	if err != nil {
+		return nil, fmt.Errorf("支付宝退款请求错误：%v", err)
+	}
+	return refundResp, nil
+}
+
+// HandleAliPaymentNotification 支付宝支付回调
+func (a *AliPayService) HandleAliPaymentNotification(r *http.Request) (*alipay.Notification, error) {
+	// 解析表单
+	err := r.ParseForm()
+	if err != nil {
+		return nil, fmt.Errorf("解析请求表单失败：%v", err)
+	}
+	// 解析并验证通知，DecodeNotification 会自动验证签名
+	notification, err := a.AlipayClient.DecodeNotification(r.Form)
+	if err != nil {
+		return nil, fmt.Errorf("验证签名失败: %v", err)
+	}
+	return notification, nil
+}
+func (a *AliPayService) QueryOrderStatus(ctx context.Context, outTradeNo string) (*alipay.TradeQueryRsp, error) {
+	queryRequest := alipay.TradeQuery{
+		OutTradeNo: outTradeNo,
+	}
+
+	// 发起查询请求
+	resp, err := a.AlipayClient.TradeQuery(ctx, queryRequest)
+	if err != nil {
+		return nil, fmt.Errorf("查询支付宝订单失败: %v", err)
+	}
+
+	// 返回交易状态
+	if resp.IsSuccess() {
+		return resp, nil
+	}
+
+	return nil, fmt.Errorf("查询支付宝订单失败: %v", resp.SubMsg)
+}
+
+// GenerateOutTradeNo 生成唯一订单号的函数
+func (a *AliPayService) GenerateOutTradeNo() string {
+	length := 16
+	// 获取当前时间戳
+	timestamp := time.Now().UnixNano()
+
+	// 转换为字符串
+	timeStr := strconv.FormatInt(timestamp, 10)
+
+	// 生成随机数
+	mathrand.Seed(time.Now().UnixNano())
+	randomPart := strconv.Itoa(mathrand.Intn(1000000))
+
+	// 组合时间戳和随机数
+	combined := timeStr + randomPart
+
+	// 如果长度超出指定值，则截断；如果不够，则填充随机字符
+	if len(combined) >= length {
+		return combined[:length]
+	}
+
+	// 如果长度不够，填充0
+	for len(combined) < length {
+		combined += strconv.Itoa(mathrand.Intn(10)) // 填充随机数
+	}
+
+	return combined
+}