tsacdop-podcast-app-android/lib/settings/downloads_manage.dart

443 lines
20 KiB
Dart

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:intl/intl.dart';
import 'package:line_icons/line_icons.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
import '../local_storage/sqflite_localpodcast.dart';
import '../state/download_state.dart';
import '../type/episodebrief.dart';
import '../util/extension_helper.dart';
import '../widgets/custom_widget.dart';
class DownloadsManage extends StatefulWidget {
@override
_DownloadsManageState createState() => _DownloadsManageState();
}
class _DownloadsManageState extends State<DownloadsManage> {
//Downloaded size
int _size;
int _mode;
//Downloaded files
int _fileNum;
bool _clearing;
bool _onlyListened;
List<EpisodeBrief> _selectedList;
Future<List<EpisodeBrief>> _getDownloadedEpisode(int mode) async {
var episodes = <EpisodeBrief>[];
var dbHelper = DBHelper();
episodes = await dbHelper.getDownloadedEpisode(mode);
return episodes;
}
Future<int> _isListened(EpisodeBrief episode) async {
var dbHelper = DBHelper();
return await dbHelper.isListened(episode.enclosureUrl);
}
Future<void> _getStorageSize() async {
_size = 0;
_fileNum = 0;
final dirs = await getExternalStorageDirectories();
for (var dir in dirs) {
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;
if (mounted) setState(() {});
});
});
});
}
}
Future<void> _delSelectedEpisodes() async {
setState(() => _clearing = true);
// await Future.forEach(_selectedList, (EpisodeBrief episode) async
for (var episode in _selectedList) {
var downloader = Provider.of<DownloadState>(context, listen: false);
await downloader.delTask(episode);
if (mounted) setState(() {});
}
await Future.delayed(Duration(seconds: 1));
if (mounted) {
setState(() {
_clearing = false;
});
}
await Future.delayed(Duration(seconds: 1));
if (mounted) setState(() => _selectedList = []);
_getStorageSize();
}
String _downloadDateToString(BuildContext context,
{int downloadDate, int pubDate}) {
final s = context.s;
var date = DateTime.fromMillisecondsSinceEpoch(downloadDate);
var diffrence = DateTime.now().toUtc().difference(date);
if (diffrence.inHours < 24) {
return s.hoursAgo(diffrence.inHours);
} else if (diffrence.inDays < 7) {
return s.daysAgo(diffrence.inDays);
} else {
return DateFormat.yMMMd().format(
DateTime.fromMillisecondsSinceEpoch(pubDate, isUtc: true).toLocal());
}
}
int sumSelected() {
var sum = 0;
if (_selectedList.length == 0) {
return sum;
} else {
for (var episode in _selectedList) {
sum += episode.enclosureLength;
}
return sum;
}
}
@override
void initState() {
super.initState();
_clearing = false;
_selectedList = [];
_mode = 0;
_onlyListened = false;
_getStorageSize();
}
@override
Widget build(BuildContext context) {
final s = context.s;
return AnnotatedRegion<SystemUiOverlayStyle>(
value: SystemUiOverlayStyle(
statusBarIconBrightness: Theme.of(context).accentColorBrightness,
systemNavigationBarColor: Theme.of(context).primaryColor,
systemNavigationBarIconBrightness:
Theme.of(context).accentColorBrightness,
),
child: Scaffold(
appBar: AppBar(
leading: CustomBackButton(),
elevation: 0,
backgroundColor: context.primaryColor,
),
body: SafeArea(
child: Stack(
children: <Widget>[
Column(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Container(
height: 140.0,
color: context.primaryColor,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.only(left: 10),
child: RichText(
text: TextSpan(
text: 'Total ',
style: TextStyle(
color: context.accentColor,
fontSize: 20,
),
children: <TextSpan>[
TextSpan(
text: _fileNum.toString(),
style: GoogleFonts.cairo(
textStyle: TextStyle(
color: context.accentColor,
fontSize: 40,
)),
),
TextSpan(
text: _fileNum < 2
? ' episode'
: ' episodes ',
style: TextStyle(
color: context.accentColor,
fontSize: 20,
)),
TextSpan(
text: (_size ~/ 1000000) < 1000
? (_size ~/ 1000000).toString()
: (_size / 1000000000).toStringAsFixed(1),
style: GoogleFonts.cairo(
textStyle: TextStyle(
color: Theme.of(context).accentColor,
fontSize: 50,
)),
),
TextSpan(
text:
(_size ~/ 1000000) < 1000 ? 'Mb' : 'Gb',
style: TextStyle(
color: Theme.of(context).accentColor,
fontSize: 20,
)),
],
),
),
),
Spacer(),
SizedBox(
height: 40,
child: Row(
children: [
Material(
color: Colors.transparent,
child: PopupMenuButton<int>(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(
Radius.circular(10))),
elevation: 1,
tooltip: s.homeSubMenuSortBy,
child: Container(
height: 40,
padding:
EdgeInsets.symmetric(horizontal: 20),
child: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Text(s.homeSubMenuSortBy),
Padding(
padding: EdgeInsets.symmetric(
horizontal: 5),
),
Icon(
_mode == 0
? LineIcons
.hourglassStart
: _mode == 1
? LineIcons
.hourglassHalf
: LineIcons.save,
size: 18,
)
],
)),
itemBuilder: (context) => [
PopupMenuItem(
value: 0,
child: Text(s.newestFirst),
),
PopupMenuItem(
value: 1,
child: Text(s.oldestFirst),
),
PopupMenuItem(
value: 2,
child: Text(s.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(s.listened),
Transform.scale(
scale: 0.8,
child: Checkbox(
value: _onlyListened,
onChanged: (value) {
setState(() {
_onlyListened = value;
});
}),
),
],
),
),
),
],
),
),
],
),
),
Expanded(
child: FutureBuilder<List<EpisodeBrief>>(
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: <Widget>[
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:
_episodes[index]
.avatarImage),
title: Text(
_episodes[index].title,
maxLines: 1,
overflow:
TextOverflow.ellipsis,
),
subtitle: Row(
children: [
Text(_downloadDateToString(
context,
downloadDate:
_episodes[index]
.downloadDate,
pubDate:
_episodes[index]
.pubDate)),
SizedBox(width: 20),
if (_episodes[index]
.enclosureLength !=
0)
Text(
'${(_episodes[index].enclosureLength) ~/ 1000000} Mb'),
],
),
trailing: Checkbox(
value: _selectedList.contains(
_episodes[index]),
onChanged: (boo) {
if (boo) {
setState(() =>
_selectedList.add(
_episodes[
index]));
} else {
setState(() => _selectedList
.removeWhere((episode) =>
episode
.enclosureUrl ==
_episodes[index]
.enclosureUrl));
}
},
),
),
Divider(
height: 2,
),
],
);
});
});
},
),
)
],
),
AnimatedPositioned(
duration: Duration(milliseconds: 800),
curve: Curves.elasticInOut,
left: context.width / 2 - 50,
bottom: _selectedList.length == 0 ? -100 : 30,
child: InkWell(
onTap: _delSelectedEpisodes,
child: Stack(
alignment: _clearing
? Alignment.centerLeft
: Alignment.centerRight,
children: <Widget>[
Container(
alignment: Alignment.center,
width: 100,
height: 40,
decoration: BoxDecoration(
borderRadius:
BorderRadius.all(Radius.circular(20.0)),
color: Theme.of(context).accentColor,
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Icon(
LineIcons.alternateTrash,
color: Colors.white,
),
Text('${sumSelected() ~/ 1000000}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),
),
),
),
],
)),
),
],
),
),
),
);
}
}