feat: payment pay

pkg/payment/alipay/channel.go

@@ -0,0 +1,30 @@
+package alipay
+
+import (
+	"context"
+
+	pkgpay "lone-services/pkg/payment"
+)
+
+// Channel is a placeholder for Alipay (to be implemented later).
+type Channel struct{}
+
+func NewChannel() *Channel {
+	return &Channel{}
+}
+
+func (c *Channel) Name() string {
+	return pkgpay.ChannelAlipay
+}
+
+func (c *Channel) Prepay(context.Context, string, *pkgpay.PrepayRequest) (*pkgpay.PrepayResult, error) {
+	return nil, pkgpay.ErrNotImplemented
+}
+
+func (c *Channel) Refund(context.Context, *pkgpay.RefundRequest) (*pkgpay.RefundResult, error) {
+	return nil, pkgpay.ErrNotImplemented
+}
+
+func (c *Channel) ParsePayNotify(context.Context, map[string]string, []byte) (*pkgpay.NotifyResult, error) {
+	return nil, pkgpay.ErrNotImplemented
+}