feat: support AirWallex payment provider (#3558)

* feat: support AirWallex payment provider

* chore: add some information due to AirWallex's risk control policy

object/product.go

@@ -219,8 +219,11 @@ func BuyProduct(id string, user *User, providerName, pricingName, planName, host
 		ProductName:        product.Name,
 		PayerName:          payerName,
 		PayerId:            user.Id,
+		PayerEmail:         user.Email,
 		PaymentName:        paymentName,
 		ProductDisplayName: product.DisplayName,
+		ProductDescription: product.Description,
+		ProductImage:       product.Image,
 		Price:              product.Price,
 		Currency:           product.Currency,
 		ReturnUrl:          returnUrl,

object/provider.go

@@ -325,6 +325,12 @@ func GetPaymentProvider(p *Provider) (pp.PaymentProvider, error) {
 			return nil, err
 		}
 		return pp, nil
+	} else if typ == "AirWallex" {
+		pp, err := pp.NewAirwallexPaymentProvider(p.ClientId, p.ClientSecret)
+		if err != nil {
+			return nil, err
+		}
+		return pp, nil
 	} else if typ == "Balance" {
 		pp, err := pp.NewBalancePaymentProvider()
 		if err != nil {

pp/airwallex.go

@@ -0,0 +1,289 @@
+package pp
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/casdoor/casdoor/conf"
+)
+
+type AirwallexPaymentProvider struct {
+	Client *AirwallexClient
+}
+
+func NewAirwallexPaymentProvider(clientId string, apiKey string) (*AirwallexPaymentProvider, error) {
+	isProd := conf.GetConfigString("runmode") == "prod"
+	apiEndpoint := "https://api-demo.airwallex.com/api/v1"
+	apiCheckout := "https://checkout-demo.airwallex.com/#/standalone/checkout?"
+	if isProd {
+		apiEndpoint = "https://api.airwallex.com/api/v1"
+		apiCheckout = "https://checkout.airwallex.com/#/standalone/checkout?"
+	}
+	client := &AirwallexClient{
+		ClientId:    clientId,
+		APIKey:      apiKey,
+		APIEndpoint: apiEndpoint,
+		APICheckout: apiCheckout,
+		client:      &http.Client{Timeout: 15 * time.Second},
+	}
+	pp := &AirwallexPaymentProvider{
+		Client: client,
+	}
+	return pp, nil
+}
+
+func (pp *AirwallexPaymentProvider) Pay(r *PayReq) (*PayResp, error) {
+	// Create a payment intent
+	intent, err := pp.Client.CreateIntent(r)
+	if err != nil {
+		return nil, err
+	}
+	payUrl, err := pp.Client.GetCheckoutUrl(intent, r)
+	if err != nil {
+		return nil, err
+	}
+	return &PayResp{
+		PayUrl:  payUrl,
+		OrderId: intent.MerchantOrderId,
+	}, nil
+}
+
+func (pp *AirwallexPaymentProvider) Notify(body []byte, orderId string) (*NotifyResult, error) {
+	notifyResult := &NotifyResult{}
+	intent, err := pp.Client.GetIntentByOrderId(orderId)
+	if err != nil {
+		return nil, err
+	}
+	// Check intent status
+	switch intent.Status {
+	case "PENDING", "REQUIRES_PAYMENT_METHOD", "REQUIRES_CUSTOMER_ACTION", "REQUIRES_CAPTURE":
+		notifyResult.PaymentStatus = PaymentStateCreated
+		return notifyResult, nil
+	case "CANCELLED":
+		notifyResult.PaymentStatus = PaymentStateCanceled
+		return notifyResult, nil
+	case "EXPIRED":
+		notifyResult.PaymentStatus = PaymentStateTimeout
+		return notifyResult, nil
+	case "SUCCEEDED":
+		// Skip
+	default:
+		notifyResult.PaymentStatus = PaymentStateError
+		notifyResult.NotifyMessage = fmt.Sprintf("unexpected airwallex checkout status: %v", intent.Status)
+		return notifyResult, nil
+	}
+	// Check attempt status
+	if intent.PaymentStatus != "" {
+		switch intent.PaymentStatus {
+		case "CANCELLED", "EXPIRED", "RECEIVED", "AUTHENTICATION_REDIRECTED", "AUTHORIZED", "CAPTURE_REQUESTED":
+			notifyResult.PaymentStatus = PaymentStateCreated
+			return notifyResult, nil
+		case "PAID", "SETTLED":
+			// Skip
+		default:
+			notifyResult.PaymentStatus = PaymentStateError
+			notifyResult.NotifyMessage = fmt.Sprintf("unexpected airwallex checkout payment status: %v", intent.PaymentStatus)
+			return notifyResult, nil
+		}
+	}
+	// The Payment has succeeded.
+	var productDisplayName, productName, providerName string
+	if description, ok := intent.Metadata["description"]; ok {
+		productName, productDisplayName, providerName, _ = parseAttachString(description.(string))
+	}
+	orderId = intent.MerchantOrderId
+	return &NotifyResult{
+		PaymentName:        orderId,
+		PaymentStatus:      PaymentStatePaid,
+		ProductName:        productName,
+		ProductDisplayName: productDisplayName,
+		ProviderName:       providerName,
+		Price:              priceStringToFloat64(intent.Amount.String()),
+		Currency:           intent.Currency,
+		OrderId:            orderId,
+	}, nil
+}
+
+func (pp *AirwallexPaymentProvider) GetInvoice(paymentName, personName, personIdCard, personEmail, personPhone, invoiceType, invoiceTitle, invoiceTaxId string) (string, error) {
+	return "", nil
+}
+
+func (pp *AirwallexPaymentProvider) GetResponseError(err error) string {
+	if err == nil {
+		return "success"
+	}
+	return "fail"
+}
+
+/*
+ * Airwallex Client implementation (to be removed upon official SDK release)
+ */
+
+type AirwallexClient struct {
+	ClientId    string
+	APIKey      string
+	APIEndpoint string
+	APICheckout string
+	client      *http.Client
+	tokenCache  *AirWallexTokenInfo
+	tokenMutex  sync.RWMutex
+}
+
+type AirWallexTokenInfo struct {
+	Token           string `json:"token"`
+	ExpiresAt       string `json:"expires_at"`
+	parsedExpiresAt time.Time
+}
+
+type AirWallexIntentResp struct {
+	Id              string `json:"id"`
+	ClientSecret    string `json:"client_secret"`
+	MerchantOrderId string `json:"merchant_order_id"`
+}
+
+func (c *AirwallexClient) GetToken() (string, error) {
+	c.tokenMutex.Lock()
+	defer c.tokenMutex.Unlock()
+	if c.tokenCache != nil && time.Now().Before(c.tokenCache.parsedExpiresAt) {
+		return c.tokenCache.Token, nil
+	}
+	req, _ := http.NewRequest("POST", c.APIEndpoint+"/authentication/login", bytes.NewBuffer([]byte("{}")))
+	req.Header.Set("x-client-id", c.ClientId)
+	req.Header.Set("x-api-key", c.APIKey)
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	var result AirWallexTokenInfo
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return "", err
+	}
+	if result.Token == "" {
+		return "", fmt.Errorf("invalid token response")
+	}
+	expiresAt := strings.Replace(result.ExpiresAt, "+0000", "+00:00", 1)
+	result.parsedExpiresAt, _ = time.Parse(time.RFC3339, expiresAt)
+	c.tokenCache = &result
+	return result.Token, nil
+}
+
+func (c *AirwallexClient) authRequest(method, url string, body interface{}) (map[string]interface{}, error) {
+	token, err := c.GetToken()
+	if err != nil {
+		return nil, err
+	}
+	b, _ := json.Marshal(body)
+	req, _ := http.NewRequest(method, url, bytes.NewBuffer(b))
+	req.Header.Set("Authorization", "Bearer "+token)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := c.client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var result map[string]interface{}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (c *AirwallexClient) CreateIntent(r *PayReq) (*AirWallexIntentResp, error) {
+	description := joinAttachString([]string{r.ProductName, r.ProductDisplayName, r.ProviderName})
+	orderId := r.PaymentName
+	intentReq := map[string]interface{}{
+		"currency":          r.Currency,
+		"amount":            r.Price,
+		"merchant_order_id": orderId,
+		"request_id":        orderId,
+		"descriptor":        string([]rune(description)[:32]), // display to the customer.
+		"metadata":          map[string]interface{}{"description": description},
+		"order":             map[string]interface{}{"products": []map[string]interface{}{{"name": r.ProductDisplayName, "quantity": 1, "desc": r.ProductDescription, "image_url": r.ProductImage}}},
+		"customer":          map[string]interface{}{"merchant_customer_id": r.PayerId, "email": r.PayerEmail, "first_name": r.PayerName, "last_name": r.PayerName},
+	}
+	intentUrl := fmt.Sprintf("%s/pa/payment_intents/create", c.APIEndpoint)
+	intentRes, err := c.authRequest("POST", intentUrl, intentReq)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create payment intent: %v", err)
+	}
+	return &AirWallexIntentResp{
+		Id:              intentRes["id"].(string),
+		ClientSecret:    intentRes["client_secret"].(string),
+		MerchantOrderId: intentRes["merchant_order_id"].(string),
+	}, nil
+}
+
+type AirwallexIntent struct {
+	Amount               json.Number `json:"amount"`
+	Currency             string      `json:"currency"`
+	Id                   string      `json:"id"`
+	Status               string      `json:"status"`
+	Descriptor           string      `json:"descriptor"`
+	MerchantOrderId      string      `json:"merchant_order_id"`
+	LatestPaymentAttempt struct {
+		Status string `json:"status"`
+	} `json:"latest_payment_attempt"`
+	Metadata map[string]interface{} `json:"metadata"`
+}
+
+type AirwallexIntents struct {
+	Items []AirwallexIntent `json:"items"`
+}
+
+type AirWallexIntentInfo struct {
+	Amount          json.Number
+	Currency        string
+	Id              string
+	Status          string
+	Descriptor      string
+	MerchantOrderId string
+	PaymentStatus   string
+	Metadata        map[string]interface{}
+}
+
+func (c *AirwallexClient) GetIntentByOrderId(orderId string) (*AirWallexIntentInfo, error) {
+	intentUrl := fmt.Sprintf("%s/pa/payment_intents/?merchant_order_id=%s", c.APIEndpoint, orderId)
+	intentRes, err := c.authRequest("GET", intentUrl, nil)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get payment intent: %v", err)
+	}
+	items := intentRes["items"].([]interface{})
+	if len(items) == 0 {
+		return nil, fmt.Errorf("no payment intent found for order id: %s", orderId)
+	}
+	var intent AirwallexIntent
+	if b, err := json.Marshal(items[0]); err == nil {
+		json.Unmarshal(b, &intent)
+	}
+	return &AirWallexIntentInfo{
+		Id:              intent.Id,
+		Amount:          intent.Amount,
+		Currency:        intent.Currency,
+		Status:          intent.Status,
+		Descriptor:      intent.Descriptor,
+		MerchantOrderId: intent.MerchantOrderId,
+		PaymentStatus:   intent.LatestPaymentAttempt.Status,
+		Metadata:        intent.Metadata,
+	}, nil
+}
+
+func (c *AirwallexClient) GetCheckoutUrl(intent *AirWallexIntentResp, r *PayReq) (string, error) {
+	return fmt.Sprintf("%sintent_id=%s&client_secret=%s&mode=payment&currency=%s&amount=%v&requiredBillingContactFields=%s&successUrl=%s&failUrl=%s&logoUrl=%s",
+		c.APICheckout,
+		intent.Id,
+		intent.ClientSecret,
+		r.Currency,
+		r.Price,
+		url.QueryEscape(`["address"]`),
+		r.ReturnUrl,
+		r.ReturnUrl,
+		"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=", // replace default logo
+	), nil
+}

pp/provider.go

@@ -33,8 +33,11 @@ type PayReq struct {
 	ProductName        string
 	PayerName          string
 	PayerId            string
+	PayerEmail         string
 	PaymentName        string
 	ProductDisplayName string
+	ProductDescription string
+	ProductImage       string
 	Price              float64
 	Currency           string
 

web/src/PaymentResultPage.js

@@ -122,7 +122,7 @@ class PaymentResultPage extends React.Component {
         payment: payment,
       });
       if (payment.state === "Created") {
-        if (["PayPal", "Stripe", "Alipay", "WeChat Pay", "Balance"].includes(payment.type)) {
+        if (["PayPal", "Stripe", "AirWallex", "Alipay", "WeChat Pay", "Balance"].includes(payment.type)) {
           this.setState({
             timeout: setTimeout(async() => {
               await PaymentBackend.notifyPayment(this.state.owner, this.state.paymentName);

web/src/ProductBuyPage.js

@@ -238,6 +238,8 @@ class ProductBuyPage extends React.Component {
       text = i18next.t("product:PayPal");
     } else if (provider.type === "Stripe") {
       text = i18next.t("product:Stripe");
+    } else if (provider.type === "AirWallex") {
+      text = i18next.t("product:AirWallex");
     }
 
     return (

web/src/Setting.js

@@ -279,6 +279,10 @@ export const OtherProviderInfo = {
       logo: `${StaticBaseUrl}/img/social_stripe.png`,
       url: "https://stripe.com/",
     },
+    "AirWallex": {
+      logo: `${StaticBaseUrl}/img/payment_airwallex.svg`,
+      url: "https://airwallex.com/",
+    },
     "GC": {
       logo: `${StaticBaseUrl}/img/payment_gc.png`,
       url: "https://gc.org",
@@ -1106,6 +1110,7 @@ export function getProviderTypeOptions(category) {
       {id: "WeChat Pay", name: "WeChat Pay"},
       {id: "PayPal", name: "PayPal"},
       {id: "Stripe", name: "Stripe"},
+      {id: "AirWallex", name: "AirWallex"},
       {id: "GC", name: "GC"},
     ]);
   } else if (category === "Captcha") {

web/src/locales/ar/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/cs/data.json

@@ -757,6 +757,7 @@
     "Sold": "Prodáno",
     "Sold - Tooltip": "Prodávané množství",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Štítek produktu",
     "Test buy page..": "Testovací stránka nákupu..",
     "There is no payment channel for this product.": "Pro tento produkt neexistuje žádný platební kanál.",

web/src/locales/de/data.json

@@ -757,6 +757,7 @@
     "Sold": "Verkauft",
     "Sold - Tooltip": "Menge verkauft",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag des Produkts",
     "Test buy page..": "Testkaufseite.",
     "There is no payment channel for this product.": "Es gibt keinen Zahlungskanal für dieses Produkt.",

web/src/locales/en/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/es/data.json

@@ -757,6 +757,7 @@
     "Sold": "Vendido",
     "Sold - Tooltip": "Cantidad vendida",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Etiqueta de producto",
     "Test buy page..": "Página de compra de prueba.",
     "There is no payment channel for this product.": "No hay canal de pago para este producto.",

web/src/locales/fa/data.json

@@ -757,6 +757,7 @@
     "Sold": "فروخته شده",
     "Sold - Tooltip": "تعداد فروخته شده",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "برچسب محصول",
     "Test buy page..": "صفحه تست خرید..",
     "There is no payment channel for this product.": "برای این محصول کانال پرداختی وجود ندارد.",

web/src/locales/fi/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/fr/data.json

@@ -757,6 +757,7 @@
     "Sold": "Vendu",
     "Sold - Tooltip": "Quantité vendue",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Étiquette de produit",
     "Test buy page..": "Page d'achat de test.",
     "There is no payment channel for this product.": "Il n'y a aucun canal de paiement pour ce produit.",

web/src/locales/he/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/id/data.json

@@ -757,6 +757,7 @@
     "Sold": "Terjual",
     "Sold - Tooltip": "Jumlah terjual",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag produk",
     "Test buy page..": "Halaman pembelian uji coba.",
     "There is no payment channel for this product.": "Tidak ada saluran pembayaran untuk produk ini.",

web/src/locales/it/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/ja/data.json

@@ -757,6 +757,7 @@
     "Sold": "売れました",
     "Sold - Tooltip": "販売数量",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "製品のタグ",
     "Test buy page..": "テスト購入ページ。",
     "There is no payment channel for this product.": "この製品には支払いチャネルがありません。",

web/src/locales/kk/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/ko/data.json

@@ -757,6 +757,7 @@
     "Sold": "팔렸습니다",
     "Sold - Tooltip": "판매량",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "제품 태그",
     "Test buy page..": "시험 구매 페이지.",
     "There is no payment channel for this product.": "이 제품에 대한 결제 채널이 없습니다.",

web/src/locales/ms/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/nl/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/pl/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/pt/data.json

@@ -757,6 +757,7 @@
     "Sold": "Vendido",
     "Sold - Tooltip": "Quantidade vendida",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag do produto",
     "Test buy page..": "Página de teste de compra...",
     "There is no payment channel for this product.": "Não há canal de pagamento disponível para este produto.",

web/src/locales/ru/data.json

@@ -757,6 +757,7 @@
     "Sold": "Продано",
     "Sold - Tooltip": "Количество проданных",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Метка продукта",
     "Test buy page..": "Страница для тестовой покупки.",
     "There is no payment channel for this product.": "Для этого продукта нет канала оплаты.",

web/src/locales/sk/data.json

@@ -757,6 +757,7 @@
     "Sold": "Predané",
     "Sold - Tooltip": "Množstvo predaných kusov",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Štítok produktu",
     "Test buy page..": "Testovať stránku nákupu..",
     "There is no payment channel for this product.": "Pre tento produkt neexistuje platobný kanál.",

web/src/locales/sv/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/tr/data.json

@@ -757,6 +757,7 @@
     "Sold": "Sold",
     "Sold - Tooltip": "Quantity sold",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Tag of product",
     "Test buy page..": "Test buy page..",
     "There is no payment channel for this product.": "There is no payment channel for this product.",

web/src/locales/uk/data.json

@@ -757,6 +757,7 @@
     "Sold": "Продано",
     "Sold - Tooltip": "Продана кількість",
     "Stripe": "смужка",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Тег товару",
     "Test buy page..": "Сторінка тестової покупки..",
     "There is no payment channel for this product.": "Для цього продукту немає платіжного каналу.",

web/src/locales/vi/data.json

@@ -757,6 +757,7 @@
     "Sold": "Đã bán",
     "Sold - Tooltip": "Số lượng bán ra",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "Nhãn sản phẩm",
     "Test buy page..": "Trang mua thử.",
     "There is no payment channel for this product.": "Không có kênh thanh toán cho sản phẩm này.",

web/src/locales/zh/data.json

@@ -757,6 +757,7 @@
     "Sold": "售出",
     "Sold - Tooltip": "已售出的数量",
     "Stripe": "Stripe",
+    "AirWallex": "AirWallex",
     "Tag - Tooltip": "商品类别",
     "Test buy page..": "测试购买页面..",
     "There is no payment channel for this product.": "该商品没有付款方式。",