From f9a1e24cf48e0465113d63eae5d7c08c5d8c0624 Mon Sep 17 00:00:00 2001
From: Behnam Sattar <behnam.sattar@gmail.com>
Date: Thu, 6 Jul 2023 17:36:20 -0400
Subject: [PATCH] feat: add retrieveSetupIntent

---
 packages/stripe/lib/src/stripe.dart                 | 13 +++++++++++++
 .../com/flutter/stripe/StripeAndroidPlugin.kt       |  4 ++++
 .../lib/src/method_channel_stripe.dart              | 12 ++++++++++++
 .../lib/src/stripe_platform_interface.dart          |  1 +
 packages/stripe_web/lib/src/web_stripe.dart         |  5 +++++
 5 files changed, 35 insertions(+)

diff --git a/packages/stripe/lib/src/stripe.dart b/packages/stripe/lib/src/stripe.dart
index 65ade184f..642d2632e 100644
--- a/packages/stripe/lib/src/stripe.dart
+++ b/packages/stripe/lib/src/stripe.dart
@@ -331,6 +331,19 @@ class Stripe {
     }
   }
 
+  /// Retrieves a [SetupIntent] using the provided [clientSecret].
+  ///
+  /// Throws a [StripeException] in case retrieving the intent fails.
+  Future<SetupIntent> retrieveSetupIntent(String clientSecret) async {
+    await _awaitForSettings();
+    try {
+      final setupIntent = await _platform.retrieveSetupIntent(clientSecret);
+      return setupIntent;
+    } on StripeError catch (error) {
+      throw StripeError(message: error.message, code: error.message);
+    }
+  }
+
   /// Opens the UI to set up credit cards for Apple Pay.
   Future<void> openApplePaySetup() async {
     await _platform.openApplePaySetup();
diff --git a/packages/stripe_android/android/src/main/kotlin/com/flutter/stripe/StripeAndroidPlugin.kt b/packages/stripe_android/android/src/main/kotlin/com/flutter/stripe/StripeAndroidPlugin.kt
index 67412317a..8127bbd03 100644
--- a/packages/stripe_android/android/src/main/kotlin/com/flutter/stripe/StripeAndroidPlugin.kt
+++ b/packages/stripe_android/android/src/main/kotlin/com/flutter/stripe/StripeAndroidPlugin.kt
@@ -119,6 +119,10 @@ If you continue to have trouble, follow this discussion to get some support http
                 clientSecret = call.requiredArgument("clientSecret"),
                 promise = Promise(result)
             )
+            "retrieveSetupIntent" -> stripeSdk.retrieveSetupIntent(
+                    clientSecret = call.requiredArgument("clientSecret"),
+                    promise = Promise(result)
+            )
             "initPaymentSheet" -> stripeSdk.initPaymentSheet(
                 params = call.requiredArgument("params"),
                 promise = Promise(result)
diff --git a/packages/stripe_platform_interface/lib/src/method_channel_stripe.dart b/packages/stripe_platform_interface/lib/src/method_channel_stripe.dart
index c93592b9a..f8db5f149 100644
--- a/packages/stripe_platform_interface/lib/src/method_channel_stripe.dart
+++ b/packages/stripe_platform_interface/lib/src/method_channel_stripe.dart
@@ -225,6 +225,18 @@ class MethodChannelStripe extends StripePlatform {
         .parse(result: result!, successResultKey: 'paymentIntent');
   }
 
+  @override
+  Future<SetupIntent> retrieveSetupIntent(String clientSecret) async {
+    final result = await _methodChannel
+        .invokeMapMethod<String, dynamic>('retrieveSetupIntent', {
+      'clientSecret': clientSecret,
+    });
+
+    return ResultParser<SetupIntent>(
+            parseJson: (json) => SetupIntent.fromJson(json))
+        .parse(result: result!, successResultKey: 'setupIntent');
+  }
+
   @override
   Future<PaymentSheetPaymentOption?> initPaymentSheet(
       SetupPaymentSheetParameters params) async {
diff --git a/packages/stripe_platform_interface/lib/src/stripe_platform_interface.dart b/packages/stripe_platform_interface/lib/src/stripe_platform_interface.dart
index 326bf30f7..3261f2c27 100644
--- a/packages/stripe_platform_interface/lib/src/stripe_platform_interface.dart
+++ b/packages/stripe_platform_interface/lib/src/stripe_platform_interface.dart
@@ -130,6 +130,7 @@ abstract class StripePlatform extends PlatformInterface {
     PaymentMethodOptions? options,
   );
   Future<PaymentIntent> retrievePaymentIntent(String clientSecret);
+  Future<SetupIntent> retrieveSetupIntent(String clientSecret);
   Future<String> createTokenForCVCUpdate(String cvc);
 
   /// Methods related to ACH payments
diff --git a/packages/stripe_web/lib/src/web_stripe.dart b/packages/stripe_web/lib/src/web_stripe.dart
index 2b6c8eeed..01daabab8 100644
--- a/packages/stripe_web/lib/src/web_stripe.dart
+++ b/packages/stripe_web/lib/src/web_stripe.dart
@@ -359,6 +359,11 @@ class WebStripe extends StripePlatform {
     throw UnimplementedError();
   }
 
+  @override
+  Future<SetupIntent> retrieveSetupIntent(String clientSecret) async {
+    throw UnimplementedError();
+  }
+
   @override
   Future<PaymentMethod> createGooglePayPaymentMethod(
       CreateGooglePayPaymentParams params) {