chore: initialize Guangya Flutter project
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ngfchl
@@ -0,0 +1,260 @@
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import 'package:intl/intl.dart';
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/// Cloud file model representing a file or folder in the cloud drive.
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class CloudFile {
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static const supportedVideoExtensions = {
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'mp4',
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'm4v',
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'mkv',
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'mov',
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'avi',
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'ts',
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'm2ts',
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'mts',
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'webm',
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'flv',
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'f4v',
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'wmv',
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'asf',
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'mpg',
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'mpeg',
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'vob',
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'iso',
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'rm',
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'rmvb',
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'3gp',
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'ogv',
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};
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final String id;
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final String name;
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final bool isDirectory;
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final int? size;
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final String? gcid;
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final int? subDirectoryCount;
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final int? subFileCount;
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final String modifiedAt;
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final String cloudPath;
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final int fileType;
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const CloudFile({
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required this.id,
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required this.name,
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required this.isDirectory,
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this.size,
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this.gcid,
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this.subDirectoryCount,
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this.subFileCount,
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this.modifiedAt = '',
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this.cloudPath = '',
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this.fileType = 0,
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});
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bool get isVideo {
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if (isDirectory) return false;
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if (fileType == 2) return true;
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final ext = name.split('.').last.toLowerCase();
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return supportedVideoExtensions.contains(ext);
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}
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bool get isImage => fileType == 1;
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bool get isAudio => fileType == 3;
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bool get isDocument => fileType == 4;
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String get icon {
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if (isDirectory) return 'folder';
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if (isVideo) return 'movie';
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switch (fileType) {
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case 1:
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return 'image';
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case 2:
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return 'movie';
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case 3:
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return 'music_note';
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case 4:
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return 'description';
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case 5:
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case 9:
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return 'archive';
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default:
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return 'insert_drive_file';
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}
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}
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String get typeName {
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if (isDirectory) return '文件夹';
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if (isVideo) return '视频';
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const names = {1: '图片', 2: '视频', 3: '音频', 4: '文档', 5: '压缩包', 9: 'BT种子'};
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return names[fileType] ?? '文件';
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}
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String get formattedSize {
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if (size == null) return '--';
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return _formatBytes(size!);
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}
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static String _formatBytes(int bytes) {
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if (bytes < 1024) return '$bytes B';
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if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
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if (bytes < 1024 * 1024 * 1024) {
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return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
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}
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return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)} GB';
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}
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factory CloudFile.fromJson(Map<String, dynamic> json) {
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final name =
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json['name'] ??
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json['fileName'] ??
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json['file_name'] ??
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json['resName'] ??
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json['res_name'] ??
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json['dirName'] ??
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json['dir_name'] ??
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'';
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final id = _extractId(json);
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if (id.isEmpty) throw FormatException('Missing file ID');
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final resourceType = _extractInt(json, ['resType']);
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final type = _extractInt(json, ['fileType', 'type']) ?? 0;
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bool isDir;
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final explicitDir = json['isDir'] ?? json['dir'] ?? json['directoryType'];
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if (explicitDir != null) {
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isDir = _truthyDirectoryFlag(explicitDir);
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} else if (resourceType != null) {
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isDir = resourceType == 2;
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} else {
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isDir =
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type == 0 && (json['dirName'] != null || json['children'] != null);
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}
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int? fileSize = _extractIntDeep(json, [
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'size',
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'fileSize',
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'resSize',
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'totalSize',
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'dirSize',
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'folderSize',
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]);
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if (isDir && fileSize == null) fileSize = 0;
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final epoch = _extractIntDeep(json, ['utime', 'ctime']);
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return CloudFile(
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id: id,
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name: name.toString(),
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isDirectory: isDir,
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size: fileSize,
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gcid: _extractStringDeep(json, ['gcid', 'gcId', 'gcidValue', 'hash']),
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subDirectoryCount: _extractIntDeep(json, ['subDirCount']),
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subFileCount: _extractIntDeep(json, ['subFileCount']),
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modifiedAt:
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json['updateTime']?.toString() ??
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json['updatedAt']?.toString() ??
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json['modifyTime']?.toString() ??
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json['createTime']?.toString() ??
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(epoch == null ? null : _formatEpoch(epoch)) ??
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'',
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cloudPath:
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_extractString(json, ['location', 'path', 'fullPath']) ??
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name.toString(),
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fileType: type,
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);
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}
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static String _extractId(Map<String, dynamic> json) {
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for (final key in ['fileId', 'file_id', 'resId', 'res_id', 'fid', 'id']) {
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final v = json[key];
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if (v != null && v.toString().isNotEmpty) return v.toString();
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}
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return '';
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}
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static String? _extractString(Map<String, dynamic> json, List<String> keys) {
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for (final key in keys) {
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final v = json[key];
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if (v != null) return v.toString();
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}
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return null;
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}
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static int? _extractInt(Map<String, dynamic> json, List<String> keys) {
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for (final key in keys) {
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final v = json[key];
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final value = _toInt(v);
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if (value != null) return value;
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}
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return null;
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}
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static String? _extractStringDeep(
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Map<String, dynamic> json,
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List<String> keys,
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) {
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final direct = _extractString(json, keys);
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if (direct != null && direct.isNotEmpty) return direct;
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for (final entry in json.entries) {
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final value = entry.value;
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if (value is Map<String, dynamic>) {
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final found = _extractStringDeep(value, keys);
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if (found != null && found.isNotEmpty) return found;
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} else if (value is List) {
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for (final item in value) {
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if (item is Map<String, dynamic>) {
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final found = _extractStringDeep(item, keys);
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if (found != null && found.isNotEmpty) return found;
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}
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}
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}
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}
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return null;
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}
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static int? _extractIntDeep(Map<String, dynamic> json, List<String> keys) {
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final direct = _extractInt(json, keys);
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if (direct != null) return direct;
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for (final entry in json.entries) {
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final value = entry.value;
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if (value is Map<String, dynamic>) {
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final found = _extractIntDeep(value, keys);
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if (found != null) return found;
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} else if (value is List) {
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for (final item in value) {
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if (item is Map<String, dynamic>) {
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final found = _extractIntDeep(item, keys);
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if (found != null) return found;
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}
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}
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}
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}
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return null;
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}
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static int? _toInt(dynamic value) {
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if (value == null) return null;
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if (value is int) return value;
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if (value is double) return value.toInt();
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return int.tryParse(value.toString());
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}
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static bool _truthyDirectoryFlag(dynamic value) {
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if (value is bool) return value;
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if (value is num) return value == 1;
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final text = value.toString().toLowerCase();
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return text == '1' || text == 'true' || text == 'folder' || text == 'dir';
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}
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static String _formatEpoch(int epoch) {
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final seconds = epoch > 9999999999 ? epoch ~/ 1000 : epoch;
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return DateFormat(
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'yyyy-MM-dd HH:mm',
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).format(DateTime.fromMillisecondsSinceEpoch(seconds * 1000));
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}
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@override
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bool operator ==(Object other) =>
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identical(this, other) || other is CloudFile && id == other.id;
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@override
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int get hashCode => id.hashCode;
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}
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