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feat: download library from the internet
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,255 @@ | ||
| import 'dart:io'; | ||
| import 'dart:async'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_settings_screens/flutter_settings_screens.dart'; | ||
| import 'package:path_provider/path_provider.dart'; | ||
| import 'package:http/http.dart' as http; | ||
| import 'package:archive/archive.dart'; | ||
| import 'package:archive/archive_io.dart'; | ||
| import 'package:file_picker/file_picker.dart'; | ||
|
|
||
| class EmptyLibraryScreen extends StatefulWidget { | ||
| final VoidCallback onLibraryLoaded; | ||
|
|
||
| const EmptyLibraryScreen({Key? key, required this.onLibraryLoaded}) | ||
| : super(key: key); | ||
|
|
||
| @override | ||
| State<EmptyLibraryScreen> createState() => _EmptyLibraryScreenState(); | ||
| } | ||
|
|
||
| class _EmptyLibraryScreenState extends State<EmptyLibraryScreen> { | ||
| bool _isDownloading = false; | ||
| double _downloadProgress = 0; | ||
| String? _selectedPath; | ||
| double _downloadedMB = 0; | ||
| double _downloadSpeed = 0; | ||
| String _currentOperation = ''; | ||
| Timer? _speedTimer; | ||
| double _lastDownloadedBytes = 0; | ||
|
|
||
| @override | ||
| void dispose() { | ||
| _speedTimer?.cancel(); | ||
| super.dispose(); | ||
| } | ||
|
|
||
| Future<void> _downloadAndExtractLibrary() async { | ||
| if (_isDownloading) return; | ||
|
|
||
| setState(() { | ||
| _isDownloading = true; | ||
| _downloadProgress = 0; | ||
| _downloadedMB = 0; | ||
| _downloadSpeed = 0; | ||
| _currentOperation = 'מתחיל הורדה...'; | ||
| }); | ||
|
|
||
| final libraryPath = Settings.getValue<String>('key-library-path') ?? ''; | ||
| if (libraryPath.isEmpty) { | ||
| ScaffoldMessenger.of(context).showSnackBar( | ||
| const SnackBar(content: Text('נא לבחור תיקייה תחילה')), | ||
| ); | ||
| setState(() => _isDownloading = false); | ||
| return; | ||
| } | ||
|
|
||
| final tempDir = await getTemporaryDirectory(); | ||
| final tempFile = File('${tempDir.path}/temp_library.zip'); | ||
|
|
||
| try { | ||
| // Start speed calculation timer | ||
| _lastDownloadedBytes = 0; | ||
| _speedTimer = Timer.periodic(const Duration(seconds: 1), (timer) { | ||
| if (!mounted) return; | ||
| final bytesPerSecond = | ||
| (_downloadedMB - _lastDownloadedBytes) * 1024 * 1024; | ||
| setState(() { | ||
| _downloadSpeed = bytesPerSecond / (1024 * 1024); // Convert to MB/s | ||
| _lastDownloadedBytes = _downloadedMB; | ||
| }); | ||
| }); | ||
|
|
||
| // Initialize the download | ||
| final request = http.Request( | ||
| 'GET', | ||
| Uri.parse( | ||
| 'https://github.com/Sivan22/otzaria-library/releases/download/latest/otzaria_latest.zip'), | ||
| ); | ||
| final response = await http.Client().send(request); | ||
|
|
||
| if (response.statusCode != 200) { | ||
| throw Exception('Failed to start download: ${response.statusCode}'); | ||
| } | ||
|
|
||
| final contentLength = response.contentLength ?? 0; | ||
| var receivedBytes = 0; | ||
|
|
||
| // Create file and prepare for writing | ||
| final sink = tempFile.openWrite(); | ||
| final stream = response.stream; | ||
|
|
||
| // Download with progress | ||
| await for (final chunk in stream) { | ||
| if (!mounted) break; | ||
|
|
||
| sink.add(chunk); | ||
| receivedBytes += chunk.length; | ||
| final downloadedMB = receivedBytes / (1024 * 1024); | ||
|
|
||
| setState(() { | ||
| _downloadedMB = downloadedMB; | ||
| _downloadProgress = | ||
| contentLength > 0 ? receivedBytes / contentLength : 0; | ||
| _currentOperation = 'מוריד: ${downloadedMB.toStringAsFixed(2)} MB'; | ||
| }); | ||
| } | ||
|
|
||
| await sink.flush(); | ||
| await sink.close(); | ||
|
|
||
| // Start extraction | ||
| setState(() { | ||
| _currentOperation = 'מחלץ קבצים...'; | ||
| _downloadProgress = 0; | ||
| }); | ||
|
|
||
| // Read the zip file | ||
| final bytes = await tempFile.readAsBytes(); | ||
| final archive = ZipDecoder().decodeBytes(bytes); | ||
| final totalFiles = archive.files.length; | ||
|
|
||
| // Extract files | ||
| for (var i = 0; i < archive.files.length; i++) { | ||
| if (!mounted) break; | ||
|
|
||
| final file = archive.files[i]; | ||
| final filename = file.name; | ||
| final filePath = '$libraryPath/$filename'; | ||
|
|
||
| setState(() { | ||
| _downloadProgress = i / totalFiles; | ||
| _currentOperation = 'מחלץ: $filename'; | ||
| }); | ||
|
|
||
| if (file.isFile) { | ||
| final outputFile = File(filePath); | ||
| await outputFile.parent.create(recursive: true); | ||
| await outputFile.writeAsBytes(file.content as List<int>); | ||
| } else { | ||
| await Directory(filePath).create(recursive: true); | ||
| } | ||
| } | ||
|
|
||
| // Cleanup | ||
| await tempFile.delete(); | ||
|
|
||
| if (mounted) { | ||
| widget.onLibraryLoaded(); | ||
| setState(() { | ||
| _isDownloading = false; | ||
| _currentOperation = ''; | ||
| }); | ||
| } | ||
| } catch (e) { | ||
| if (mounted) { | ||
| ScaffoldMessenger.of(context).showSnackBar( | ||
| SnackBar(content: Text('שגיאה: $e')), | ||
| ); | ||
| setState(() { | ||
| _isDownloading = false; | ||
| _currentOperation = ''; | ||
| }); | ||
| } | ||
| } finally { | ||
| _speedTimer?.cancel(); | ||
| if (tempFile.existsSync()) { | ||
| await tempFile.delete(); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| Future<void> _pickDirectory() async { | ||
| String? selectedDirectory = await FilePicker.platform.getDirectoryPath(); | ||
|
|
||
| if (selectedDirectory == null || !mounted) { | ||
| return; | ||
| } | ||
|
|
||
| setState(() { | ||
| _selectedPath = selectedDirectory; | ||
| }); | ||
|
|
||
| final directory = Directory(selectedDirectory); | ||
| if (!directory.existsSync()) { | ||
| if (mounted) { | ||
| ScaffoldMessenger.of(context).showSnackBar( | ||
| const SnackBar(content: Text('נתיב לא חוקי')), | ||
| ); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| Settings.setValue('key-library-path', selectedDirectory); | ||
| widget.onLibraryLoaded(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: Center( | ||
| child: Container( | ||
| constraints: const BoxConstraints(maxWidth: 400), | ||
| padding: const EdgeInsets.all(16), | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| const Text( | ||
| 'לא נמצאה ספרייה בנתיב המצוין', | ||
| style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold), | ||
| textAlign: TextAlign.center, | ||
| ), | ||
| const SizedBox(height: 32), | ||
| if (_selectedPath != null) | ||
| Padding( | ||
| padding: const EdgeInsets.only(bottom: 16), | ||
| child: Text( | ||
| _selectedPath!, | ||
| style: const TextStyle(fontSize: 16), | ||
| textDirection: TextDirection.ltr, | ||
| textAlign: TextAlign.center, | ||
| ), | ||
| ), | ||
| ElevatedButton( | ||
| onPressed: _isDownloading ? null : _pickDirectory, | ||
| child: const Text('בחר תיקייה'), | ||
| ), | ||
| const SizedBox(height: 32), | ||
| const Text( | ||
| 'או', | ||
| style: TextStyle(fontSize: 18), | ||
| ), | ||
| const SizedBox(height: 32), | ||
| if (_isDownloading) | ||
| Column( | ||
| children: [ | ||
| LinearProgressIndicator(value: _downloadProgress), | ||
| const SizedBox(height: 16), | ||
| Text(_currentOperation), | ||
| if (_downloadSpeed > 0) | ||
| Text( | ||
| 'מהירות הורדה: ${_downloadSpeed.toStringAsFixed(2)} MB/s'), | ||
| ], | ||
| ) | ||
| else | ||
| ElevatedButton( | ||
| onPressed: _downloadAndExtractLibrary, | ||
| child: const Text('הורד את הספרייה מהאינטרנט'), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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