Add update PaymentIntent method

lib/messages.dart

@@ -1,7 +1,6 @@
 import 'package:json_annotation/json_annotation.dart';
 import 'package:stripe/src/messages/converters.dart';
 import 'package:stripe/src/messages/enums.dart';
-import 'package:stripe/src/messages/enums/pause_collection_behavior.dart';
 
 export 'package:stripe/src/messages/enums.dart';
 
@@ -19,8 +18,8 @@ part 'src/messages/data_list.dart';
 part 'src/messages/discount.dart';
 part 'src/messages/event.dart';
 part 'src/messages/invoice.dart';
-part 'src/messages/payment_intent.dart';
 part 'src/messages/pause_collection.dart';
+part 'src/messages/payment_intent.dart';
 part 'src/messages/payment_method.dart';
 part 'src/messages/portal_session.dart';
 part 'src/messages/price.dart';
@@ -48,6 +47,7 @@ part 'src/messages/requests/list_subscription_schedules.dart';
 part 'src/messages/requests/list_subscriptions.dart';
 part 'src/messages/requests/subscription_payment_settings.dart';
 part 'src/messages/requests/update_customer.dart';
+part 'src/messages/requests/update_payment_intent.dart';
 part 'src/messages/requests/update_subscription.dart';
 part 'src/messages/requests/update_subscription_item.dart';
 part 'src/messages/requests/update_subscription_schedule.dart';

lib/src/messages/requests/update_payment_intent.dart

@@ -0,0 +1,99 @@
+part of '../../../messages.dart';
+
+@JsonSerializable()
+class UpdatePaymentIntentRequest {
+  /// Amount intended to be collected by this PaymentIntent. A positive integer representing how much to charge in the smallest currency unit (e.g., 100 cents to charge $1.00 or 100 to charge ¥100, a zero-decimal currency). The minimum amount is $0.50 US or equivalent in charge currency. The amount value supports up to eight digits (e.g., a value of 99999999 for a USD charge of $999,999.99).
+  final int? amount;
+
+  /// Three-letter ISO currency code, in lowercase. Must be a supported currency.
+  final String? currency;
+
+  /// ID of the Customer this PaymentIntent belongs to, if one exists.
+  /// Payment methods attached to other Customers cannot be used with this
+  /// PaymentIntent.
+  ///
+  /// If setup_future_usage is set and this PaymentIntent’s payment method is
+  /// not card_present, then the payment method attaches to the Customer after
+  /// the PaymentIntent has been confirmed and any required actions from the
+  /// user are complete. If the payment method is card_present and isn’t a
+  /// digital wallet, then a generated_card payment method representing the
+  /// card is created and attached to the Customer instead.
+  final String? customer;
+
+  /// An arbitrary string attached to the object. Often useful for displaying
+  /// to users.
+  final String? description;
+
+  /// Set of key-value pairs that you can attach to an object. This can be
+  /// useful for storing additional information about the object in a
+  /// structured format. Individual keys can be unset by posting an empty value
+  /// to them. All keys can be unset by posting an empty value to metadata.
+  final Map<String, dynamic>? metadata;
+
+  /// ID of the payment method (a PaymentMethod, Card, or compatible Source
+  /// object) to attach to this PaymentIntent. To unset this field to null, pass
+  /// in an empty string.
+  final String? paymentMethod;
+
+  /// Email address that the receipt for the resulting payment will be sent to.
+  /// If receipt_email is specified for a payment in live mode, a receipt will
+  /// be sent regardless of your email settings.
+  final String? receiptEmail;
+
+  /// Indicates that you intend to make future payments with this
+  /// PaymentIntent’s payment method.
+  ///
+  /// If you provide a Customer with the PaymentIntent, you can use this
+  /// parameter to attach the payment method to the Customer after the
+  /// PaymentIntent is confirmed and the customer completes any required
+  /// actions. If you don’t provide a Customer, you can still attach the
+  /// payment method to a Customer after the transaction completes.
+  ///
+  /// If the payment method is card_present and isn’t a digital wallet, Stripe
+  /// creates and attaches a generated_card payment method representing the
+  /// card to the Customer instead.
+  ///
+  /// When processing card payments, Stripe uses setup_future_usage to help you
+  /// comply with regional legislation and network rules, such as SCA.
+  ///
+  /// If you’ve already set setup_future_usage and you’re performing a request
+  /// using a publishable key, you can only update the value from on_session to
+  /// off_session.
+  final SetupFutureUsage? setupFutureUsage;
+
+  /// Text that appears on the customer’s statement as the statement descriptor
+  /// for a non-card charge. This value overrides the account’s default
+  /// statement descriptor. For information about requirements, including the
+  /// 22-character limit, see the Statement Descriptor docs.
+  ///
+  /// Setting this value for a card charge returns an error. For card charges,
+  /// set the statement_descriptor_suffix instead.
+  final String? statementDescriptor;
+
+  /// Provides information about a card charge. Concatenated to the account’s
+  /// statement descriptor prefix to form the complete statement descriptor that
+  /// appears on the customer’s statement.
+  final String? statementDescriptorSuffix;
+
+  /// The ID of the payment method configuration to use with this PaymentIntent.
+  final String? paymentMethodConfiguration;
+
+  const UpdatePaymentIntentRequest(
+    this.amount,
+    this.currency,
+    this.customer,
+    this.description,
+    this.metadata,
+    this.paymentMethod,
+    this.receiptEmail,
+    this.setupFutureUsage,
+    this.statementDescriptor,
+    this.statementDescriptorSuffix,
+    this.paymentMethodConfiguration,
+  );
+
+  factory UpdatePaymentIntentRequest.fromJson(Map<String, dynamic> json) =>
+      _$UpdatePaymentIntentRequestFromJson(json);
+
+  Map<String, dynamic> toJson() => _$UpdatePaymentIntentRequestToJson(this);
+}

lib/src/resources/payment_intent.dart

@@ -9,6 +9,8 @@ import '_resource.dart';
 final log = Logger('Stripe PaymentIntentResource');
 
 class PaymentIntentResource extends Resource<PaymentIntent> {
+  static const _resourceName = 'payment_intents';
+
   PaymentIntentResource(Client client) : super(client);
 
   Future<PaymentIntent> create(CreatePaymentIntentRequest request) async {
@@ -49,4 +51,17 @@ class PaymentIntentResource extends Resource<PaymentIntent> {
 
     return intents;
   }
+
+  /// https://docs.stripe.com/api/payment_intents/update
+  Future<PaymentIntent> update(
+    String id, {
+    required UpdatePaymentIntentRequest request,
+  }) async {
+    final response = await post(
+      '$_resourceName/$id',
+      data: request.toJson(),
+    );
+
+    return PaymentIntent.fromJson(response);
+  }
 }