online payment

src/modules/payment/gateways/zarinpal.gateway.ts

@@ -20,6 +20,8 @@ export class ZarinpalGateway implements IPaymentGateway {
   private readonly zarinpalRequestUrl: string;
   private readonly zarinpalVerifyUrl: string;
   private readonly zarinpalPaymentBaseUrl: string;
+  private readonly zarinpalMerchantId: string;
+  private readonly websiteUrl: string = 'https://negareh.ir'
   private readonly axiosConfig = {
     timeout: 10_000,
     headers: {
@@ -32,6 +34,7 @@ export class ZarinpalGateway implements IPaymentGateway {
     this.zarinpalPaymentBaseUrl = zarinpalBaseUrl;
     this.zarinpalRequestUrl = `${zarinpalBaseUrl}/pg/v4/payment/request.json`;
     this.zarinpalVerifyUrl = `${zarinpalBaseUrl}/pg/v4/payment/verify.json`;
+    this.zarinpalMerchantId = this.configService.getOrThrow<string>('ZARINPAL_BASE_MERCHANT')
   }
 
   private getAxiosErrorData(error: unknown): { status?: number; data?: unknown } | null {
@@ -39,12 +42,12 @@ export class ZarinpalGateway implements IPaymentGateway {
     return { status: error.response.status, data: error.response.data };
   }
 
-  async requestPayment({ amount, merchantId, orderId, domain }: IRequestPaymentParams): Promise<IRequestPaymentData> {
+  async requestPayment({ amount, orderId }: IRequestPaymentParams): Promise<IRequestPaymentData> {
     // Transform camelCase to snake_case for Zarinpal API v4
-    const callbackUrl = `${domain}/verify/${orderId}`;
+    const callbackUrl = `${this.websiteUrl}/verify/${orderId}`;
     const zarinpalRequest: IZarinpalRequestPayment = {
       amount,
-      merchant_id: merchantId,
+      merchant_id: this.zarinpalMerchantId,
       description: `Payment for order #${orderId}`,
       callback_url: callbackUrl,
       currency: 'IRT',
@@ -84,7 +87,9 @@ export class ZarinpalGateway implements IPaymentGateway {
         throw new BadRequestException(message ?? PaymentMessage.ZARINPAL_PAYMENT_REQUEST_ERROR);
       }
 
-      return { transactionId: authority };
+      const paymentUrl = `${this.zarinpalPaymentBaseUrl}/pg/StartPay/${authority}`
+
+      return { token: authority, paymentUrl };
     } catch (error) {
       if (error instanceof BadRequestException) throw error;
 
@@ -109,13 +114,13 @@ export class ZarinpalGateway implements IPaymentGateway {
     }
   }
 
-  async verifyPayment({ merchantId, amount, transactionId }: IPaymentVerifyParams): Promise<IPaymentVerifyData> {
+  async verifyPayment({  amount, token }: IPaymentVerifyParams): Promise<IPaymentVerifyData> {
     try {
       // Transform camelCase to snake_case for Zarinpal API v4
       const zarinpalVerifyRequest: IZarinpalVerifyRequest = {
-        merchant_id: merchantId,
+        merchant_id: this.zarinpalMerchantId,
         amount,
-        authority: transactionId,
+        authority: token,
       };
 
       const res = await axios.post<IZarinpalVerifyResponse>(
@@ -152,7 +157,5 @@ export class ZarinpalGateway implements IPaymentGateway {
     }
   }
 
-  getPaymentUrl(authority: string): string {
-    return `${this.zarinpalPaymentBaseUrl}/pg/StartPay/${authority}`;
-  }
+
 }