Source Code added

mobile/lib/models/download/download_state.model.dart

@@ -0,0 +1,84 @@
+// ignore_for_file: public_member_api_docs, sort_constructors_first
+import 'dart:convert';
+
+import 'package:background_downloader/background_downloader.dart';
+import 'package:collection/collection.dart';
+
+class DownloadInfo {
+  final String fileName;
+  final double progress;
+  // enum
+  final TaskStatus status;
+
+  const DownloadInfo({required this.fileName, required this.progress, required this.status});
+
+  DownloadInfo copyWith({String? fileName, double? progress, TaskStatus? status}) {
+    return DownloadInfo(
+      fileName: fileName ?? this.fileName,
+      progress: progress ?? this.progress,
+      status: status ?? this.status,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{'fileName': fileName, 'progress': progress, 'status': status.index};
+  }
+
+  factory DownloadInfo.fromMap(Map<String, dynamic> map) {
+    return DownloadInfo(
+      fileName: map['fileName'] as String,
+      progress: map['progress'] as double,
+      status: TaskStatus.values[map['status'] as int],
+    );
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory DownloadInfo.fromJson(String source) => DownloadInfo.fromMap(json.decode(source) as Map<String, dynamic>);
+
+  @override
+  String toString() => 'DownloadInfo(fileName: $fileName, progress: $progress, status: $status)';
+
+  @override
+  bool operator ==(covariant DownloadInfo other) {
+    if (identical(this, other)) return true;
+
+    return other.fileName == fileName && other.progress == progress && other.status == status;
+  }
+
+  @override
+  int get hashCode => fileName.hashCode ^ progress.hashCode ^ status.hashCode;
+}
+
+class DownloadState {
+  // enum
+  final TaskStatus downloadStatus;
+  final Map<String, DownloadInfo> taskProgress;
+  final bool showProgress;
+  const DownloadState({required this.downloadStatus, required this.taskProgress, required this.showProgress});
+
+  DownloadState copyWith({TaskStatus? downloadStatus, Map<String, DownloadInfo>? taskProgress, bool? showProgress}) {
+    return DownloadState(
+      downloadStatus: downloadStatus ?? this.downloadStatus,
+      taskProgress: taskProgress ?? this.taskProgress,
+      showProgress: showProgress ?? this.showProgress,
+    );
+  }
+
+  @override
+  String toString() =>
+      'DownloadState(downloadStatus: $downloadStatus, taskProgress: $taskProgress, showProgress: $showProgress)';
+
+  @override
+  bool operator ==(covariant DownloadState other) {
+    if (identical(this, other)) return true;
+    final mapEquals = const DeepCollectionEquality().equals;
+
+    return other.downloadStatus == downloadStatus &&
+        mapEquals(other.taskProgress, taskProgress) &&
+        other.showProgress == showProgress;
+  }
+
+  @override
+  int get hashCode => downloadStatus.hashCode ^ taskProgress.hashCode ^ showProgress.hashCode;
+}

mobile/lib/models/download/livephotos_medatada.model.dart

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+// ignore_for_file: public_member_api_docs, sort_constructors_first
+import 'dart:convert';
+
+enum LivePhotosPart { video, image }
+
+class LivePhotosMetadata {
+  // enum
+  LivePhotosPart part;
+
+  String id;
+  LivePhotosMetadata({required this.part, required this.id});
+
+  LivePhotosMetadata copyWith({LivePhotosPart? part, String? id}) {
+    return LivePhotosMetadata(part: part ?? this.part, id: id ?? this.id);
+  }
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{'part': part.index, 'id': id};
+  }
+
+  factory LivePhotosMetadata.fromMap(Map<String, dynamic> map) {
+    return LivePhotosMetadata(part: LivePhotosPart.values[map['part'] as int], id: map['id'] as String);
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory LivePhotosMetadata.fromJson(String source) =>
+      LivePhotosMetadata.fromMap(json.decode(source) as Map<String, dynamic>);
+
+  @override
+  String toString() => 'LivePhotosMetadata(part: $part, id: $id)';
+
+  @override
+  bool operator ==(covariant LivePhotosMetadata other) {
+    if (identical(this, other)) return true;
+
+    return other.part == part && other.id == id;
+  }
+
+  @override
+  int get hashCode => part.hashCode ^ id.hashCode;
+}