added cargo files

PinePods-0.8.2/mobile/lib/entities/downloadable.dart

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+// Copyright 2020 Ben Hills and the project contributors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+enum DownloadState { none, queued, downloading, failed, cancelled, paused, downloaded }
+
+/// A Downloadble is an object that holds information about a podcast episode
+/// and its download status.
+///
+/// Downloadables can be used to determine if a download has been successful and
+/// if an episode can be played from the filesystem.
+class Downloadable {
+  /// Database ID
+  int? id;
+
+  /// Unique identifier for the download
+  final String guid;
+
+  /// URL of the file to download
+  final String url;
+
+  /// Destination directory
+  String directory;
+
+  /// Name of file
+  String filename;
+
+  /// Current task ID for the download
+  String taskId;
+
+  /// Current state of the download
+  DownloadState state;
+
+  /// Percentage of MP3 downloaded
+  int? percentage;
+
+  Downloadable({
+    required this.guid,
+    required this.url,
+    required this.directory,
+    required this.filename,
+    required this.taskId,
+    required this.state,
+    this.percentage,
+  });
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{
+      'guid': guid,
+      'url': url,
+      'filename': filename,
+      'directory': directory,
+      'taskId': taskId,
+      'state': state.index,
+      'percentage': percentage.toString(),
+    };
+  }
+
+  static Downloadable fromMap(Map<String, dynamic> downloadable) {
+    return Downloadable(
+      guid: downloadable['guid'] as String,
+      url: downloadable['url'] as String,
+      directory: downloadable['directory'] as String,
+      filename: downloadable['filename'] as String,
+      taskId: downloadable['taskId'] as String,
+      state: _determineState(downloadable['state'] as int?),
+      percentage: int.parse(downloadable['percentage'] as String),
+    );
+  }
+
+  static DownloadState _determineState(int? index) {
+    switch (index) {
+      case 0:
+        return DownloadState.none;
+      case 1:
+        return DownloadState.queued;
+      case 2:
+        return DownloadState.downloading;
+      case 3:
+        return DownloadState.failed;
+      case 4:
+        return DownloadState.cancelled;
+      case 5:
+        return DownloadState.paused;
+      case 6:
+        return DownloadState.downloaded;
+    }
+
+    return DownloadState.none;
+  }
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) || other is Downloadable && runtimeType == other.runtimeType && guid == other.guid;
+
+  @override
+  int get hashCode => guid.hashCode;
+}