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lib/utils/mini_stripe_api.dart

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+
+
+import '../vendor/stripe_sdk/lib/stripe_sdk.dart';
+import '../vendor/stripe_sdk/lib/stripe_sdk_ui.dart';
+
+import 'mini_stripe_api_handler.dart';
+
+class MiniStripeApi {
+  static MiniStripeApi? _instance;
+
+  final MiniStripeApiHandler _apiHandler;
+
+  final String publishableKey;
+
+  final String apiVersion;
+
+  /// Create a new instance, which can be used with e.g. dependency injection.
+  /// Throws a [Exception] if an invalid [publishableKey] has been submitted.
+  ///
+  /// [publishableKey] is your publishable key, beginning with "sk_".
+  /// Your can copy your key from https://dashboard.stripe.com/account/apikeys
+  ///
+  /// [stripeAccount] is the id of a stripe customer and stats with "cus_".
+  /// This is a optional parameter.
+  MiniStripeApi(this.publishableKey, {this.apiVersion = defaultApiVersion, String? stripeAccount})
+      : _apiHandler = MiniStripeApiHandler(stripeAccount: stripeAccount) {
+    _validateKey(publishableKey);
+    _apiHandler.apiVersion = apiVersion;
+  }
+
+  /// Initialize the managed singleton instance of [StripeApi].
+  /// Afterwards you can use [StripeApi.instance] to access the created instance.
+  ///
+  /// [publishableKey] is your publishable key, beginning with "sk_".
+  /// Your can copy your key from https://dashboard.stripe.com/account/apikeys
+  ///
+  /// [stripeAccount] is the id of a stripe customer and stats with "cus_".
+  /// This is a optional parameter.
+  static void init(String publishableKey, {String apiVersion = defaultApiVersion, String? stripeAccount}) {
+    // _instance ??= MiniStripeApi(publishableKey, uuidString, apiVersion: apiVersion, stripeAccount: stripeAccount);
+    _instance = MiniStripeApi(publishableKey, apiVersion: apiVersion, stripeAccount: stripeAccount);
+  }
+
+  /// Access the singleton instance of [StripeApi].
+  /// Throws an [Exception] if [StripeApi.init] hasn't been called previously.
+  static MiniStripeApi get instance {
+    if (_instance == null) {
+      throw Exception('Attempted to get singleton instance of StripeApi without initialization');
+    }
+    return _instance!;
+  }
+
+  /// Create a stripe Token
+  /// https://stripe.com/docs/api/tokens
+  Future<Map<String, dynamic>> createToken(Map<String, dynamic> data) async {
+    final path = '/tokens';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Create a PaymentMethod.
+  /// https://stripe.com/docs/api/payment_methods/create
+  Future<Map<String, dynamic>> createPaymentMethod(Map<String, dynamic> data) async {
+    final path = '/payment_methods';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Create a PaymentMethod from a card.
+  /// This will only create a PaymentMethod with the minimum required properties.
+  /// To include additional properties such as billing details, use [StripeCard.toPaymentMethod], add additional details
+  /// and then use [createPaymentMethod].
+  Future<Map<String, dynamic>> createPaymentMethodFromCard(StripeCard card) async {
+    return createPaymentMethod(card.toPaymentMethod());
+  }
+
+  /// Create a new Source object.
+  /// https://stripe.com/docs/api/sources/create
+  Future<Map<String, dynamic>> createSource(Map<String, dynamic> data) async {
+    final path = '/sources';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Retrieve a PaymentIntent.
+  /// https://stripe.com/docs/api/payment_intents/retrieve
+  Future<Map<String, dynamic>> retrievePaymentIntent(String clientSecret, {String? apiVersion}) async {
+    final intentId = _parseIdFromClientSecret(clientSecret);
+    final path = '/payment_intents/$intentId';
+    final params = {'client_secret': clientSecret};
+    return _apiHandler.request(RequestMethod.get, path, publishableKey, apiVersion ?? this.apiVersion, params: params);
+  }
+
+  /// Confirm a PaymentIntent
+  /// https://stripe.com/docs/api/payment_intents/confirm
+  Future<Map<String, dynamic>> confirmPaymentIntent(String clientSecret, {Map<String, dynamic>? data, String? idempotencyKey}) async {
+    final params = data ?? {};
+    final intent = _parseIdFromClientSecret(clientSecret);
+    params['client_secret'] = clientSecret;
+    final path = '/payment_intents/$intent/confirm';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: params, idempotencyKey: idempotencyKey);
+  }
+
+  /// Retrieve a SetupIntent.
+  /// https://stripe.com/docs/api/setup_intents/retrieve
+  Future<Map<String, dynamic>> retrieveSetupIntent(String clientSecret, {String? apiVersion}) async {
+    final intentId = _parseIdFromClientSecret(clientSecret);
+    final path = '/setup_intents/$intentId';
+    final params = {'client_secret': clientSecret};
+    return _apiHandler.request(RequestMethod.get, path, publishableKey, apiVersion, params: params);
+  }
+
+  /// Confirm a SetupIntent
+  /// https://stripe.com/docs/api/setup_intents/confirm
+  Future<Map<String, dynamic>> confirmSetupIntent(String clientSecret, {Map<String, dynamic>? data}) async {
+    final params = data ?? {};
+    final intent = _parseIdFromClientSecret(clientSecret);
+    params['client_secret'] = clientSecret;
+    final path = '/setup_intents/$intent/confirm';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: params);
+  }
+
+  /// Validates the received [publishableKey] and throws a [Exception] if an
+  /// invalid key has been submitted.
+  static void _validateKey(String publishableKey) {
+    if (publishableKey == null || publishableKey.isEmpty) {
+      throw Exception('Invalid Publishable Key: '
+          'You must use a valid publishable key to create a token.  '
+          'For more info, see https://stripe.com/docs/stripe.js.');
+    }
+
+    if (publishableKey.startsWith('sk_')) {
+      throw Exception('Invalid Publishable Key: '
+          'You are using a secret key to create a token, '
+          'instead of the publishable one. For more info, '
+          'see https://stripe.com/docs/stripe.js');
+    }
+  }
+}
+
+String _parseIdFromClientSecret(String clientSecret) {
+  return clientSecret.split('_secret')[0];
+}