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feat: support WeChat Pay via JSAPI (#2488)

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* feat: support wechat jsapi payment

* feat: add log

* feat: update sign

* feat: process wechat pay result

* feat: process wechat pay result

* feat: save wechat openid for different app

* feat: save wechat openid for different app

* feat: add SetUserOAuthProperties for signup

* feat: fix openid for wechat

* feat: get user extra property in buyproduct

* feat: remove log

* feat: remove log

* feat: gofumpt code

* feat: change lr->crlf

* feat: change crlf->lf

* feat: improve code
This commit is contained in:
haiwu
2023-11-11 17:16:57 +08:00
committed by GitHub
parent d090e9c860
commit 0ac2b69f5a
18 changed files with 324 additions and 97 deletions
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71
pp/wechatpay.go
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@ -63,27 +63,66 @@ func NewWechatPaymentProvider(mchId string, apiV3Key string, appId string, seria
return pp, nil
}
func (pp *WechatPaymentProvider) Pay(providerName string, productName string, payerName string, paymentName string, productDisplayName string, price float64, currency string, returnUrl string, notifyUrl string) (string, string, error) {
func (pp *WechatPaymentProvider) Pay(r *PayReq) (*PayResp, error) {
bm := gopay.BodyMap{}
bm.Set("attach", joinAttachString([]string{productDisplayName, productName, providerName}))
desc := joinAttachString([]string{r.ProductDisplayName, r.ProductName, r.ProviderName})
bm.Set("attach", desc)
bm.Set("appid", pp.AppId)
bm.Set("description", productDisplayName)
bm.Set("notify_url", notifyUrl)
bm.Set("out_trade_no", paymentName)
bm.Set("description", r.ProductDisplayName)
bm.Set("notify_url", r.NotifyUrl)
bm.Set("out_trade_no", r.PaymentName)
bm.SetBodyMap("amount", func(bm gopay.BodyMap) {
bm.Set("total", priceFloat64ToInt64(price))
bm.Set("currency", currency)
bm.Set("total", priceFloat64ToInt64(r.Price))
bm.Set("currency", r.Currency)
})
nativeRsp, err := pp.Client.V3TransactionNative(context.Background(), bm)
if err != nil {
return "", "", err
// In Wechat browser, we use JSAPI
if r.PaymentEnv == PaymentEnvWechatBrowser {
if r.PayerId == "" {
return nil, errors.New("failed to get the payer's openid, please retry login")
}
bm.SetBodyMap("payer", func(bm gopay.BodyMap) {
bm.Set("openid", r.PayerId) // If the account is signup via Wechat, the PayerId is the Wechat OpenId e.g.oxW9O1ZDvgreSHuBSQDiQ2F055PI
})
jsapiRsp, err := pp.Client.V3TransactionJsapi(context.Background(), bm)
if err != nil {
return nil, err
}
if jsapiRsp.Code != wechat.Success {
return nil, errors.New(jsapiRsp.Error)
}
// use RSA256 to sign the pay request
params, err := pp.Client.PaySignOfJSAPI(pp.AppId, jsapiRsp.Response.PrepayId)
if err != nil {
return nil, err
}
payResp := &PayResp{
PayUrl: "",
OrderId: r.PaymentName, // Wechat can use paymentName as the OutTradeNo to query order status
AttachInfo: map[string]interface{}{
"appId": params.AppId,
"timeStamp": params.TimeStamp,
"nonceStr": params.NonceStr,
"package": params.Package,
"signType": "RSA",
"paySign": params.PaySign,
},
}
return payResp, nil
} else {
// In other case, we use NativeAPI
nativeRsp, err := pp.Client.V3TransactionNative(context.Background(), bm)
if err != nil {
return nil, err
}
if nativeRsp.Code != wechat.Success {
return nil, errors.New(nativeRsp.Error)
}
payResp := &PayResp{
PayUrl: nativeRsp.Response.CodeUrl,
OrderId: r.PaymentName, // Wechat can use paymentName as the OutTradeNo to query order status
}
return payResp, nil
}
if nativeRsp.Code != wechat.Success {
return "", "", errors.New(nativeRsp.Error)
}
return nativeRsp.Response.CodeUrl, paymentName, nil // Wechat can use paymentName as the OutTradeNo to query order status
}
func (pp *WechatPaymentProvider) Notify(body []byte, orderId string) (*NotifyResult, error) {