Files
quyun/backend/providers/wepay/pay.go
2025-04-14 21:15:24 +08:00

160 lines
3.3 KiB
Go

package wepay
import (
"context"
"crypto/rsa"
"encoding/json"
"errors"
"time"
w "quyun/providers/wechat"
"github.com/go-pay/gopay"
"github.com/go-pay/gopay/wechat/v3"
log "github.com/sirupsen/logrus"
"go.ipao.vip/atom/container"
"go.ipao.vip/atom/opt"
)
type Config struct{}
func Provide(opts ...opt.Option) error {
o := opt.New(opts...)
var config Config
if err := o.UnmarshalConfig(&config); err != nil {
return err
}
return container.Container.Provide(func(wechatConfig *w.Config) (*Client, error) {
client, err := wechat.NewClientV3(
wechatConfig.Pay.MchID,
wechatConfig.Pay.SerialNo,
wechatConfig.Pay.ApiV3Key,
wechatConfig.Pay.PrivateKey,
)
if err != nil {
return nil, err
}
client.DebugSwitch = gopay.DebugOff
if wechatConfig.DevMode {
client.DebugSwitch = gopay.DebugOn
}
return &Client{
payClient: client,
config: wechatConfig,
}, nil
}, o.DiOptions()...)
}
type Client struct {
payClient *wechat.ClientV3
config *w.Config
}
func (c *Client) GetClient() *wechat.ClientV3 {
return c.payClient
}
// WxPublicKeyMap
func (c *Client) WxPublicKeyMap() map[string]*rsa.PublicKey {
return c.payClient.WxPublicKeyMap()
}
type PrepayData struct {
client *Client
AppID string `json:"app_id"`
PrepayID string `json:"prepay_id"`
}
// PaySignOfJSAPI
func (pay *PrepayData) PaySignOfJSAPI() (*wechat.JSAPIPayParams, error) {
return pay.client.payClient.PaySignOfJSAPI(pay.AppID, pay.PrepayID)
}
func (c *Client) V3TransactionJsapi(ctx context.Context, f func(*BodyMap)) (*PrepayData, error) {
bm := NewBodyMap(c.config)
f(bm)
resp, err := c.payClient.V3TransactionJsapi(ctx, bm.bm)
if err != nil {
return nil, err
}
if resp.Code != wechat.Success {
b, _ := json.Marshal(resp)
log.Errorf("WePay V3TransactionJsapi error: %s", b)
return nil, errors.New(resp.Error)
}
return &PrepayData{
client: c,
AppID: c.config.AppID,
PrepayID: resp.Response.PrepayId,
}, nil
}
type BodyMap struct {
bm gopay.BodyMap
}
func NewBodyMap(c *w.Config) *BodyMap {
bm := make(gopay.BodyMap)
bm.Set("appid", c.AppID).
Set("mchid", c.Pay.MchID).
Set("notify_url", c.Pay.NotifyURL).
SetBodyMap("amount", func(bm gopay.BodyMap) {
bm.Set("total", 1).
Set("currency", "CNY")
})
return &BodyMap{
bm: bm,
}
}
func (b *BodyMap) Set(key string, value interface{}) *BodyMap {
b.bm.Set(key, value)
return b
}
func (b *BodyMap) SetBodyMap(key string, f func(bm gopay.BodyMap)) *BodyMap {
b.bm.SetBodyMap(key, f)
return b
}
// Expire time
func (b *BodyMap) Expire(t time.Duration) *BodyMap {
return b.Set("time_expire", time.Now().Add(t).Format(time.RFC3339))
}
// Description
func (b *BodyMap) Description(desc string) *BodyMap {
return b.Set("description", desc)
}
// OutTradeNo
func (b *BodyMap) OutTradeNo(outTradeNo string) *BodyMap {
return b.Set("out_trade_no", outTradeNo)
}
// Amount
func (b *BodyMap) Amount(total int, currency string) *BodyMap {
return b.SetBodyMap("amount", func(bm gopay.BodyMap) {
bm.Set("total", total).Set("currency", currency)
})
}
// Payer
func (b *BodyMap) Payer(spOpenId string) *BodyMap {
return b.SetBodyMap("payer", func(bm gopay.BodyMap) {
bm.Set("openid", spOpenId)
})
}
// SubMchId
func (b *BodyMap) SubMchId(subMchId string) *BodyMap {
return b.Set("sub_mchid", subMchId)
}