Clean/plugins/apple_pay/lib/apple_pay_method_channel.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';

import 'apple_pay_platform_interface.dart';

/// An implementation of [ApplePayPlatform] that uses method channels.
class MethodChannelApplePay extends ApplePayPlatform {
  /// The method channel used to interact with the native platform.
  @visibleForTesting
  final methodChannel = const MethodChannel('apple_pay');

  @override
  Future<String?> getPlatformVersion() async {
    final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
    return version;
  }

  @override
  Future<Map<String, dynamic>> purchase({
    required String productId,
    String? appAccountToken,
  }) async {
    try {
      final result = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
        'purchase',
        {
          'appleId': productId,
          'appAccountToken': appAccountToken,
        },
      );

      return result?.cast<String, dynamic>() ?? {
        'success': false,
        'error': 'No result returned',
      };
    } catch (e) {
      return {
        'success': false,
        'error': e.toString(),
      };
    }
  }

  @override
  Future<Map<String, dynamic>> restore() async {
    try {
      final result = await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
        'restore',
      );

      return result?.cast<String, dynamic>() ?? {
        'success': false,
        'error': 'No result returned',
      };
    } catch (e) {
      return {
        'success': false,
        'error': e.toString(),
      };
    }
  }

  @override
  Future<void> check() async {
    await methodChannel.invokeMethod<void>(
      'check',
    );
  }
}