Create & Init Project...

app/service/openplatform/ticket-sales/model/pay.go

@@ -0,0 +1,96 @@
+package model
+
+import (
+	"bytes"
+	"crypto/md5"
+	"fmt"
+	"sort"
+	"strconv"
+
+	"go-common/library/log"
+	xtime "go-common/library/time"
+)
+
+// MsgContent 支付回调 msgContent 字段的结构
+// 由于 MsgContent 可能增/减字段故使用 map 兼容
+type MsgContent map[string]string
+
+// Charge 支付回调结构体
+type Charge struct {
+	ID         string
+	Paid       bool
+	Refunded   bool
+	OrderID    int64
+	DeviceType int64
+	Channel    int64
+	Amount     int64
+	TimePaid   xtime.Time
+}
+
+// ValidSign 签名校验
+func (m MsgContent) ValidSign() (ok bool) {
+	sign := m["sign"]
+	delete(m, "sign")
+	var keys []string
+	for key := range m {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+
+	buf := bytes.Buffer{}
+	for _, k := range keys {
+		if buf.Len() > 0 {
+			buf.WriteByte('&')
+		}
+		buf.WriteString(k)
+		buf.WriteString("=")
+		buf.WriteString(m[k])
+	}
+
+	fmt.Println(buf.String())
+	h := md5.New()
+	ok = string(h.Sum(buf.Bytes())) == sign
+	return
+}
+
+// ToCharge 生成 charge 结构
+func (m MsgContent) ToCharge() (charge *Charge, err error) {
+	charge = &Charge{}
+	charge.ID = m["txId"]
+	charge.Paid = true
+	charge.Refunded = false
+
+	orderID, err := strconv.ParseInt(m["orderId"], 10, 64)
+	if err != nil {
+		log.Error("MsgContent.ToCharge() strconv.ParseInt(orderId: %s) error(%v)", m["orderId"], err)
+		return
+	}
+	charge.OrderID = orderID
+
+	deviceType, err := strconv.ParseInt(m["deviceType"], 10, 64)
+	if err != nil {
+		log.Error("MsgContent.ToCharge() strconv.ParseInt(deviceType: %s) error(%v)", m["deviceType"], err)
+		return
+	}
+	charge.DeviceType = deviceType
+
+	payChannel, err := strconv.ParseInt(m["payChannel"], 10, 64)
+	if err != nil {
+		log.Error("MsgContent.ToCharge() strconv.ParseInt(payChannel: %s) error(%v)", m["payChannel"], err)
+		return
+	}
+	charge.Channel = payChannel
+
+	amount, err := strconv.ParseInt(m["amount"], 10, 64)
+	if err != nil {
+		log.Error("MsgContent.ToCharge() strconv.ParseInt(amount: %s) error(%v)", m["amount"], err)
+		return
+	}
+	charge.Amount = amount
+
+	if err = charge.TimePaid.Scan(m["orderPayTime"]); err != nil {
+		log.Error("MsgContent.ToCharge() TimePaid.Scan(%v) error(%v)", m["orderPayTime"], err)
+		return
+	}
+	return
+}