import 'dart:io'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:path_provider/path_provider.dart'; import 'package:line_icons/line_icons.dart'; import 'package:provider/provider.dart'; import 'package:google_fonts/google_fonts.dart'; import '../type/episodebrief.dart'; import '../util/context_extension.dart'; import '../state/download_state.dart'; import '../local_storage/sqflite_localpodcast.dart'; class DownloadsManage extends StatefulWidget { @override _DownloadsManageState createState() => _DownloadsManageState(); } class _DownloadsManageState extends State { //Downloaded size int _size; int _mode; //Downloaded files int _fileNum; bool _clearing; bool _onlyListened; List _selectedList; Future> _getDownloadedEpisode(int mode) async { List episodes = []; var dbHelper = DBHelper(); episodes = await dbHelper.getDownloadedEpisode(mode); return episodes; } Future _isListened(EpisodeBrief episode) async { DBHelper dbHelper = DBHelper(); return await dbHelper.isListened(episode.enclosureUrl); } _getStorageSize() async { _size = 0; _fileNum = 0; var dir = await getExternalStorageDirectory(); dir.list().forEach((d) { var fileDir = Directory(d.path); fileDir.list().forEach((file) async { await File(file.path).stat().then((value) { _size += value.size; _fileNum += 1; setState(() {}); }); }); }); } _delSelectedEpisodes() async { setState(() => _clearing = true); await Future.forEach(_selectedList, (EpisodeBrief episode) async { var downloader = Provider.of(context, listen: false); await downloader.removeTask(episode); // await FlutterDownloader.remove( // taskId: episode.downloaded, shouldDeleteContent: true); // var dbHelper = DBHelper(); // await dbHelper.delDownloaded(episode.enclosureUrl); setState(() {}); }); await Future.delayed(Duration(seconds: 1)); setState(() { _clearing = false; }); await Future.delayed(Duration(seconds: 1)); setState(() => _selectedList = []); _getStorageSize(); } int sumSelected() { int sum = 0; if (_selectedList.length == 0) { return sum; } else { _selectedList.forEach((episode) { sum += episode.enclosureLength; }); return sum; } } @override void initState() { super.initState(); _clearing = false; _selectedList = []; _mode = 0; _onlyListened = false; _getStorageSize(); } @override Widget build(BuildContext context) { return AnnotatedRegion( value: SystemUiOverlayStyle( statusBarIconBrightness: Theme.of(context).accentColorBrightness, systemNavigationBarColor: Theme.of(context).primaryColor, systemNavigationBarIconBrightness: Theme.of(context).accentColorBrightness, ), child: Scaffold( appBar: AppBar( elevation: 0, backgroundColor: context.primaryColor, ), body: SafeArea( child: Stack( children: [ Column( mainAxisAlignment: MainAxisAlignment.start, mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [ Container( height: 140.0, color: context.primaryColor, child: Column( mainAxisAlignment: MainAxisAlignment.start, children: [ Padding( padding: const EdgeInsets.only(left: 20), child: RichText( text: TextSpan( text: 'Total ', style: TextStyle( color: Theme.of(context).accentColor, fontSize: 20, ), children: [ TextSpan( text: _fileNum.toString(), style: GoogleFonts.cairo( textStyle: TextStyle( color: Theme.of(context).accentColor, fontSize: 40, )), ), TextSpan( text: _fileNum < 2 ? ' episode' : ' episodes ', style: TextStyle( color: Theme.of(context).accentColor, fontSize: 20, )), TextSpan( text: (_size ~/ 1000000).toString(), style: GoogleFonts.cairo( textStyle: TextStyle( color: Theme.of(context).accentColor, fontSize: 50, )), ), TextSpan( text: ' Mb', style: TextStyle( color: Theme.of(context).accentColor, fontSize: 20, )), ], ), ), ), Spacer(), SizedBox( height: 40, child: Row( children: [ Material( color: Colors.transparent, child: PopupMenuButton( shape: RoundedRectangleBorder( borderRadius: BorderRadius.all( Radius.circular(10))), elevation: 1, tooltip: 'Sort By', child: Container( height: 40, padding: EdgeInsets.symmetric(horizontal: 20), child: Row( mainAxisSize: MainAxisSize.min, children: [ Text('Sory by'), Padding( padding: EdgeInsets.symmetric( horizontal: 5), ), Icon( _mode == 0 ? LineIcons .hourglass_start_solid : _mode == 1 ? LineIcons .hourglass_half_solid : LineIcons.save, size: 18, ) ], )), itemBuilder: (context) => [ PopupMenuItem( value: 0, child: Text('Newest first'), ), PopupMenuItem( value: 1, child: Text('Oldest first'), ), PopupMenuItem( value: 2, child: Text('Size'), ), ], onSelected: (value) { if (value == 0) setState(() => _mode = 0); else if (value == 1) setState(() => _mode = 1); else if (value == 2) setState(() => _mode = 2); }, ), ), //Spacer(), Material( color: Colors.transparent, child: InkWell( onTap: () => setState(() { _onlyListened = !_onlyListened; }), child: Row( children: [ Padding( padding: EdgeInsets.symmetric(horizontal: 5), ), Text('Listened Only'), Checkbox( value: _onlyListened, onChanged: (value) { setState(() { _onlyListened = value; }); }), ], ), ), ), ], ), ), ], ), ), Expanded( child: FutureBuilder>( future: _getDownloadedEpisode(_mode), initialData: [], builder: (context, snapshot) { var _episodes = snapshot.data; return ListView.builder( itemCount: _episodes.length, shrinkWrap: true, scrollDirection: Axis.vertical, itemBuilder: (context, index) { return FutureBuilder( future: _isListened(_episodes[index]), initialData: 0, builder: (context, snapshot) { return (_onlyListened && snapshot.data > 0) ? Center() : Column( children: [ ListTile( onTap: () { if (_selectedList.contains( _episodes[index])) { setState(() => _selectedList .removeWhere((episode) => episode .enclosureUrl == _episodes[index] .enclosureUrl)); } else { setState(() => _selectedList .add(_episodes[index])); } }, leading: CircleAvatar( backgroundImage: FileImage(File( "${_episodes[index].imagePath}")), ), title: Text( _episodes[index].title, maxLines: 1, overflow: TextOverflow.ellipsis, ), subtitle: Row( children: [ Text(_episodes[index] .downloadDateToString()), SizedBox(width: 20), _episodes[index] .enclosureLength != 0 ? Text(((_episodes[index] .enclosureLength) ~/ 1000000) .toString() + ' Mb') : SizedBox( width: 1, ), ], ), trailing: Checkbox( value: _selectedList.contains( _episodes[index]), onChanged: (bool boo) { if (boo) { setState(() => _selectedList.add( _episodes[ index])); } else { setState(() => _selectedList .removeWhere((episode) => episode .enclosureUrl == _episodes[index] .enclosureUrl)); } }, ), ), Divider( height: 2, ), ], ); }); }); }, ), ) ], ), AnimatedPositioned( duration: Duration(milliseconds: 800), curve: Curves.elasticInOut, left: context.width / 2 - 50, bottom: _selectedList.length == 0 ? -100 : 30, child: InkWell( onTap: () => _delSelectedEpisodes(), child: Stack( alignment: _clearing ? Alignment.centerLeft : Alignment.centerRight, children: [ Container( alignment: Alignment.center, width: 100, height: 40, decoration: BoxDecoration( borderRadius: BorderRadius.all(Radius.circular(20.0)), color: Theme.of(context).accentColor, ), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ Icon( LineIcons.trash_alt_solid, color: Colors.white, ), Text((sumSelected() ~/ 1000000).toString() + 'Mb', style: TextStyle(color: Colors.white)), ], ), ), SingleChildScrollView( scrollDirection: Axis.horizontal, child: AnimatedContainer( duration: Duration(milliseconds: 500), alignment: Alignment.center, width: _clearing ? 100 : 0, height: _clearing ? 40 : 0, decoration: BoxDecoration( borderRadius: BorderRadius.all(Radius.circular(20.0)), color: Colors.red.withOpacity(0.6), ), ), ), ], )), ), ], ), ), ), ); } }