feat: Add support for listing saved payment methods in module and Stripe (#10994)

packages/modules/providers/payment-stripe/src/core/stripe-base.ts

@@ -2,6 +2,8 @@ import Stripe from "stripe"
 
 import {
   CreatePaymentProviderSession,
+  PaymentMethodResponse,
+  PaymentProviderContext,
   PaymentProviderError,
   PaymentProviderSessionResponse,
   ProviderWebhookPayload,
@@ -86,6 +88,8 @@ abstract class StripeBase extends AbstractPaymentProvider<StripeOptions> {
 
     res.payment_method = extra?.payment_method as string | undefined
 
+    res.return_url = extra?.return_url as string | undefined
+
     return res
   }
 
@@ -294,6 +298,27 @@ abstract class StripeBase extends AbstractPaymentProvider<StripeOptions> {
     }
   }
 
+  async listPaymentMethods(
+    context: PaymentProviderContext
+  ): Promise<PaymentMethodResponse[]> {
+    const customerId = context.customer?.metadata?.stripe_id
+    if (!customerId) {
+      return []
+    }
+
+    const paymentMethods = await this.stripe_.customers.listPaymentMethods(
+      customerId as string,
+      // In order to keep the interface simple, we just list the maximum payment methods, which should be enough in almost all cases.
+      // We can always extend the interface to allow additional filtering, if necessary.
+      { limit: 100 }
+    )
+
+    return paymentMethods.data.map((method) => ({
+      id: method.id,
+      data: method as unknown as Record<string, unknown>,
+    }))
+  }
+
   async getWebhookActionAndData(
     webhookData: ProviderWebhookPayload["payload"]
   ): Promise<WebhookActionResult> {