feat: 集成微信收款服务

api/modules/wexin/handler.go

@@ -0,0 +1,54 @@
+package wexin
+
+import (
+	"chatplus/store/model"
+	"github.com/eatmoreapple/openwechat"
+	"github.com/skip2/go-qrcode"
+	"gorm.io/gorm"
+)
+
+// MessageHandler 消息处理
+func MessageHandler(msg *openwechat.Message, db *gorm.DB) {
+	sender, err := msg.Sender()
+	if err != nil {
+		return
+	}
+	
+	// 只处理微信支付的推送消息
+	if sender.NickName == "微信支付" ||
+		msg.MsgType == openwechat.MsgTypeApp ||
+		msg.AppMsgType == openwechat.AppMsgTypeUrl {
+		// 解析支付金额
+		message, err := parseTransactionMessage(msg.Content)
+		if err == nil {
+			transaction := extractTransaction(message)
+			logger.Infof("解析到收款信息：%+v", transaction)
+			if transaction.Amount <= 0 {
+				return
+			}
+			var item model.Reward
+			res := db.Where("tx_id = ?", transaction.TransId).First(&item)
+			if res.Error == nil {
+				logger.Infof("当前交易 ID %s 己经存在！", transaction.TransId)
+				return
+			}
+
+			res = db.Create(&model.Reward{
+				TxId:   transaction.TransId,
+				Amount: transaction.Amount,
+				Remark: transaction.Remark,
+				Status: false,
+			})
+			if res.Error != nil {
+				logger.Errorf("交易保存失败，ID: %s", transaction.TransId)
+			}
+		}
+	}
+}
+
+// QrCodeCallBack 登录扫码回调，
+func QrCodeCallBack(uuid string) {
+	logger.Info("请使用微信扫描下面二维码登录")
+	q, _ := qrcode.New("https://login.weixin.qq.com/l/"+uuid, qrcode.Medium)
+	logger.Info(q.ToString(true))
+}