Initial project

packages/media_sdk/lib/media_sdk.dart

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+
+export 'src/presentation/facade/media_sdk_api.dart';

packages/media_sdk/lib/media_sdk_method_channel.dart

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+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+import 'media_sdk_platform_interface.dart';
+
+/// An implementation of [MediaSdkPlatform] that uses method channels.
+class MethodChannelMediaSdk extends MediaSdkPlatform {
+  /// The method channel used to interact with the native platform.
+  @visibleForTesting
+  final methodChannel = const MethodChannel('media_sdk');
+
+  @override
+  Future<String?> getPlatformVersion() async {
+    final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
+    return version;
+  }
+}

packages/media_sdk/lib/media_sdk_platform_interface.dart

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+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+import 'media_sdk_method_channel.dart';
+
+abstract class MediaSdkPlatform extends PlatformInterface {
+  /// Constructs a MediaSdkPlatform.
+  MediaSdkPlatform() : super(token: _token);
+
+  static final Object _token = Object();
+
+  static MediaSdkPlatform _instance = MethodChannelMediaSdk();
+
+  /// The default instance of [MediaSdkPlatform] to use.
+  ///
+  /// Defaults to [MethodChannelMediaSdk].
+  static MediaSdkPlatform get instance => _instance;
+
+  /// Platform-specific implementations should set this with their own
+  /// platform-specific class that extends [MediaSdkPlatform] when
+  /// they register themselves.
+  static set instance(MediaSdkPlatform instance) {
+    PlatformInterface.verifyToken(instance, _token);
+    _instance = instance;
+  }
+
+  Future<String?> getPlatformVersion() {
+    throw UnimplementedError('platformVersion() has not been implemented.');
+  }
+}

packages/media_sdk/lib/src/data/constants/media_sdk_method_channel_constants.dart

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+
+class MediaSdkMethodChannel
+{
+  // Channel Name
+  static const String channelName = 'media_sdk';
+
+  //---------------- Flutter call native ----------------
+
+  static const String requestPermission = 'requestPermission';
+
+  
+  //---------------- Flutter call native ----------------
+
+
+
+  //---------------- native call Flutter ----------------
+
+
+
+
+
+  //---------------- native call Flutter ----------------
+
+}

packages/media_sdk/lib/src/data/datasources/media_sdk_method_channel_datasource.dart

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+import '../../../media_sdk_platform_interface.dart';
+
+class MediaSdkMethodChannelDataSource 
+{
+ 
+  final MediaSdkPlatform platform;
+
+  MediaSdkMethodChannelDataSource(this.platform);
+
+
+  Future<String?> getPlatformVersion() async {
+    return await getPlatformVersion();
+  }
+}

packages/media_sdk/lib/src/data/dto/media_sdk_permission_status_dto.dart

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+
+/// Data Transfer Object
+/// - 只負責資料傳輸 / 解析
+/// - 結構可變
+/// - 可以依賴 JSON / platform
+class MediaSdkPermissionStatusDto {
+  final bool granted;
+  final bool permanentlyDenied;
+  final String? grantedAt; // 通常是 raw string
+
+  MediaSdkPermissionStatusDto({
+    required this.granted,
+    required this.permanentlyDenied,
+    this.grantedAt,
+  });
+
+  factory MediaSdkPermissionStatusDto.fromJson(
+    Map<String, dynamic> json,
+  ) {
+    return MediaSdkPermissionStatusDto(
+      granted: json['granted'] as bool,
+      permanentlyDenied: json['permanentlyDenied'] as bool,
+      grantedAt: json['grantedAt'] as String?,
+    );
+  }
+}

packages/media_sdk/lib/src/data/repositories/media_sdk_repository_impl.dart

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+//Repository Impl
+
+import '../../domain/repositories/media_sdk_repository.dart';
+import '../datasources/media_sdk_method_channel_datasource.dart';
+
+class MediaSdkRepositoryImpl implements MediaSdkRepository
+{
+  final MediaSdkMethodChannelDataSource _datasource;
+
+  const MediaSdkRepositoryImpl(this._datasource);
+
+  @override
+  Future<String?> platformVersion() {
+    return _datasource.getPlatformVersion();
+  }
+}

packages/media_sdk/lib/src/domain/entities/media_sdk_permission_status.dart

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+/// Domain Entity
+/// - 表達「通知權限狀態」這個業務概念
+/// - 穩定、可被 Facade 回傳
+/// - 不要包含 JSON / platform / plugin
+class MediaSdkPermissionStatus {
+  final bool isGranted;
+  final bool isPermanentlyDenied;
+  final DateTime? grantedAt;
+
+  const MediaSdkPermissionStatus({
+    required this.isGranted,
+    required this.isPermanentlyDenied,
+    this.grantedAt,
+  });
+
+  /// 純業務邏輯允許
+  bool get canRequestAgain => !isGranted && !isPermanentlyDenied;
+}

packages/media_sdk/lib/src/domain/repositories/media_sdk_repository.dart

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+// Repository Interface（Domain）
+
+abstract class MediaSdkRepository {
+  Future<String?> platformVersion();
+}

packages/media_sdk/lib/src/domain/usecases/platform_version.dart

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+
+//UseCase
+
+import '../repositories/media_sdk_repository.dart';
+
+class PlatformVersion 
+{
+  final MediaSdkRepository _repository;
+
+  const PlatformVersion(this._repository);
+
+  Future<String?> call() {
+    return _repository.platformVersion();
+  }
+}

packages/media_sdk/lib/src/presentation/facade/media_sdk_api.dart

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+
+
+
+import '../wiring/media_sdk_wiring.dart';
+
+/// SDK API
+abstract class MediaSdkApi
+{
+  factory MediaSdkApi() => MediaSdkWiring.build();
+
+  Future<String?> platformVersion();
+}

packages/media_sdk/lib/src/presentation/wiring/media_sdk_api_impl.dart

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+
+
+import '../../../media_sdk.dart';
+import 'media_sdk_core.dart';
+/// SDK API Implementation
+class MediaSdkApiImpl implements MediaSdkApi
+{
+  final MediaSdkCore _core;
+
+  MediaSdkApiImpl({required MediaSdkCore core}) : _core = core;
+
+  @override
+  Future<String?> platformVersion() => _core.repo.platformVersion();
+}

packages/media_sdk/lib/src/presentation/wiring/media_sdk_core.dart

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+
+import '../../../media_sdk_platform_interface.dart';
+import '../../domain/repositories/media_sdk_repository.dart';
+
+class MediaSdkCore
+{
+  final MediaSdkPlatform platform;
+  final MediaSdkRepository repo;
+
+  MediaSdkCore({
+    required this.platform,
+    required this.repo,
+  });
+}

packages/media_sdk/lib/src/presentation/wiring/media_sdk_wiring.dart

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+
+import '../../../media_sdk.dart';
+
+import '../../../media_sdk_method_channel.dart';
+import '../../../media_sdk_platform_interface.dart';
+
+import '../../data/datasources/media_sdk_method_channel_datasource.dart';
+import '../../data/repositories/media_sdk_repository_impl.dart';
+
+import 'media_sdk_core.dart';
+import 'media_sdk_api_impl.dart';
+
+class MediaSdkWiring
+{
+  static MediaSdkApi build() {
+
+    // platform instance（method channel）
+    final platform = MediaSdkPlatform.instance;
+    if (platform is MethodChannelMediaSdk) {
+      // platform.init(); // or defer to NotificationApiImpl.init
+    }
+
+    // data layer
+    final ds =  MediaSdkMethodChannelDataSource(platform);
+    final repo =  MediaSdkRepositoryImpl(ds);
+    final core =  MediaSdkCore(platform: platform, repo: repo,);
+
+    return MediaSdkApiImpl(core: core);
+  }
+}