78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
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package topuplogic
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import (
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"context"
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"errors"
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"github.com/smartwalle/alipay/v3"
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"math"
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"net/url"
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"strconv"
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"tianyuan-api/apps/sentinel/internal/svc"
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"tianyuan-api/apps/sentinel/sentinel"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type AliTopUpNotifyLogic struct {
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ctx context.Context
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svcCtx *svc.ServiceContext
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logx.Logger
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}
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func NewAliTopUpNotifyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AliTopUpNotifyLogic {
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return &AliTopUpNotifyLogic{
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ctx: ctx,
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svcCtx: svcCtx,
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Logger: logx.WithContext(ctx),
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}
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}
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func (l *AliTopUpNotifyLogic) AliTopUpNotify(in *sentinel.AliTopUpNotifyRequest) (*sentinel.AliTopUpNotifyResponse, error) {
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globalErr := errors.New("error")
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// 初始化支付宝客户端
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client := l.svcCtx.AlipayClient
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// 解析表单数据
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formData, err := url.ParseQuery(in.RawForm)
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if err != nil {
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l.Logger.Errorf("解析表单数据失败: %v", err)
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return nil, globalErr
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}
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// 验证签名并解析通知
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notify, err := client.DecodeNotification(formData)
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if err != nil {
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l.Logger.Errorf("通知解析失败: %v", err)
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return nil, globalErr
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}
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// 验证交易状态
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if notify.TradeStatus == alipay.TradeStatusSuccess {
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l.Logger.Infof("订单 %s 支付成功", notify.OutTradeNo)
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payOrder, findErr := l.svcCtx.PayOrderModel.FindOneByOutTradeNo(l.ctx, notify.OutTradeNo)
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if findErr != nil {
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return nil, globalErr
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}
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if payOrder.OutTradeNo == notify.OutTradeNo && payOrder.Status == 0 {
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notifyAmount, parseFloatErr := strconv.ParseFloat(notify.TotalAmount, 64)
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if parseFloatErr != nil {
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logx.Errorf("金额转换错误: %v", parseFloatErr)
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return nil, globalErr
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}
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logx.Infof("回调金额：%v，订单金额%v", notify.TotalAmount, payOrder.Amount)
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// 比较支付宝返回的金额与数据库存储的金额
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if math.Abs(notifyAmount-payOrder.Amount) < 1e-6 {
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// 金额匹配，继续处理
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} else {
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return nil, globalErr
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}
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}
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} else {
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l.Logger.Infof("订单 %s 支付状态: %s", notify.OutTradeNo, notify.TradeStatus)
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}
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// 返回成功响应
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return &sentinel.AliTopUpNotifyResponse{Success: true}, nil
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}
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