tsacdop-podcast-app-android/lib/home/addpodcast.dart

482 lines
16 KiB
Dart

import 'dart:io';
import 'dart:convert';
import 'dart:async';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:color_thief_flutter/color_thief_flutter.dart';
import 'package:dio/dio.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:tsacdop/state/podcast_group.dart';
import '../type/searchpodcast.dart';
import '../state/podcast_group.dart';
import '../util/context_extension.dart';
import '../webfeed/webfeed.dart';
import '../.env.dart';
class MyHomePageDelegate extends SearchDelegate<int> {
final String searchFieldLabel;
MyHomePageDelegate({this.searchFieldLabel})
: super(
searchFieldLabel: searchFieldLabel,
);
static Future getRss(String url) async {
try {
BaseOptions options = new BaseOptions(
connectTimeout: 10000,
receiveTimeout: 10000,
);
Response response = await Dio(options).get(url);
var p = RssFeed.parse(response.data);
return OnlinePodcast(
rss: url,
title: p.title,
publisher: p.author,
description: p.description,
image: p.itunes.image.href);
} catch (e) {
throw e;
}
}
RegExp rssExp = RegExp(r'^(https?):\/\/(.*)');
Widget invalidRss(BuildContext context) => Container(
height: 50,
alignment: Alignment.center,
child: Text(context.s.searchInvalidRss),
);
@override
ThemeData appBarTheme(BuildContext context) => Theme.of(context);
@override
Widget buildLeading(BuildContext context) {
return IconButton(
tooltip: context.s.back,
icon: AnimatedIcon(
icon: AnimatedIcons.menu_arrow,
progress: transitionAnimation,
),
onPressed: () {
close(context, 1);
},
);
}
@override
Widget buildSuggestions(BuildContext context) {
// if (query.isEmpty)
return Center(
child: Container(
padding: EdgeInsets.only(top: 400),
child: Image(
image: Theme.of(context).brightness == Brightness.light
? AssetImage('assets/listennotes.png')
: AssetImage('assets/listennotes_light.png'),
height: 20,
),
));
// else if (rssExp.stringMatch(query) != null)
// return FutureBuilder(
// future: getRss(rssExp.stringMatch(query)),
// builder: (context, snapshot) {
// if (snapshot.hasError)
// return invalidRss();
// else if (snapshot.hasData)
// return SearchResult(
// onlinePodcast: snapshot.data,
// );
// else
// return Container(
// padding: EdgeInsets.only(top: 200),
// alignment: Alignment.topCenter,
// child: CircularProgressIndicator(),
// );
// },
// );
// else
// return FutureBuilder(
// future: getList(query),
// builder: (BuildContext context, AsyncSnapshot<List> snapshot) {
// if (!snapshot.hasData && query != null)
// return Container(
// padding: EdgeInsets.only(top: 200),
// alignment: Alignment.topCenter,
// child: CircularProgressIndicator(),
// );
// List content = snapshot.data;
// return ListView.builder(
// scrollDirection: Axis.vertical,
// itemCount: content.length,
// itemBuilder: (BuildContext context, int index) {
// return SearchResult(
// onlinePodcast: content[index],
// );
// },
// );
// },
// );
}
@override
List<Widget> buildActions(BuildContext context) {
return <Widget>[
if (query.isEmpty)
Center()
else
IconButton(
tooltip: context.s.clear,
icon: const Icon(Icons.clear),
onPressed: () {
query = '';
},
),
];
}
@override
Widget buildResults(BuildContext context) {
if (query.isEmpty)
return Container(
height: 10,
width: 10,
margin: EdgeInsets.only(top: 400),
child: SizedBox(
height: 10,
child: Image.asset(
'assets/listennote.png',
fit: BoxFit.fill,
),
),
);
else if (rssExp.stringMatch(query) != null)
return FutureBuilder(
future: getRss(rssExp.stringMatch(query)),
builder: (context, snapshot) {
if (snapshot.hasError)
return invalidRss(context);
else if (snapshot.hasData)
return SearchResult(
onlinePodcast: snapshot.data,
);
else
return Container(
padding: EdgeInsets.only(top: 200),
alignment: Alignment.topCenter,
child: CircularProgressIndicator(),
);
},
);
else
return SearchList(
query: query,
);
// return FutureBuilder(
// future: getList(query),
// builder: (BuildContext context, AsyncSnapshot<List> snapshot) {
// if (!snapshot.hasData && query != null)
// return Container(
// padding: EdgeInsets.only(top: 200),
// alignment: Alignment.topCenter,
// child: CircularProgressIndicator(),
// );
// List content = snapshot.data;
// return ListView.builder(
// scrollDirection: Axis.vertical,
// itemCount: content.length,
// itemBuilder: (BuildContext context, int index) {
// return SearchResult(
// onlinePodcast: content[index],
// );
// },
// );
// },
// );
}
}
class SearchList extends StatefulWidget {
final String query;
SearchList({this.query, Key key}) : super(key: key);
@override
_SearchListState createState() => _SearchListState();
}
class _SearchListState extends State<SearchList> {
int _nextOffset;
List<OnlinePodcast> _podcastList;
int _offset;
bool _loading;
@override
void initState() {
super.initState();
_nextOffset = 0;
_podcastList = [];
}
Future<List> _getList(String searchText, int nextOffset) async {
String apiKey = environment['apiKey'];
String url = "https://listen-api.listennotes.com/api/v2/search?q=" +
Uri.encodeComponent(searchText) +
"&sort_by_date=0&type=podcast&offset=$nextOffset";
Response response = await Dio().get(url,
options: Options(headers: {
'X-ListenAPI-Key': "$apiKey",
'Accept': "application/json"
}));
Map searchResultMap = jsonDecode(response.toString());
var searchResult = SearchPodcast.fromJson(searchResultMap);
_offset = searchResult.nextOffset;
_podcastList.addAll(searchResult.results.cast());
_loading = false;
return _podcastList;
}
@override
Widget build(BuildContext context) {
return FutureBuilder<List>(
future: _getList(widget.query, _nextOffset),
builder: (BuildContext context, AsyncSnapshot<List> snapshot) {
if (!snapshot.hasData && widget.query != null)
return Container(
padding: EdgeInsets.only(top: 200),
alignment: Alignment.topCenter,
child: CircularProgressIndicator(),
);
var content = snapshot.data;
return CustomScrollView(
slivers: [
SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) {
return SearchResult(
onlinePodcast: content[index],
);
},
childCount: content.length,
),
),
SliverToBoxAdapter(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
mainAxisSize: MainAxisSize.min,
children: [
Padding(
padding: const EdgeInsets.only(top: 10.0, bottom: 20.0),
child: SizedBox(
height: 30,
child: OutlineButton(
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.all(Radius.circular(15))),
child: _loading
? SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
))
: Text(context.s.loadMore),
onPressed: () => _loading
? null
: setState(() {
_loading = true;
_nextOffset = _offset;
}))),
)
],
),
)
],
);
},
);
}
}
class SearchResult extends StatefulWidget {
final OnlinePodcast onlinePodcast;
SearchResult({this.onlinePodcast, Key key}) : super(key: key);
@override
_SearchResultState createState() => _SearchResultState();
}
class _SearchResultState extends State<SearchResult>
with SingleTickerProviderStateMixin {
bool _issubscribe;
bool _showDes;
AnimationController _controller;
Animation _animation;
double _value;
@override
void initState() {
super.initState();
_issubscribe = false;
_showDes = false;
_value = 0;
_controller =
AnimationController(vsync: this, duration: Duration(milliseconds: 300));
_animation = Tween<double>(begin: 0.0, end: 1.0).animate(_controller)
..addListener(() {
setState(() {
_value = _animation.value;
});
});
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Future<String> getColor(File file) async {
final imageProvider = FileImage(file);
var colorImage = await getImageFromProvider(imageProvider);
var color = await getColorFromImage(colorImage);
String primaryColor = color.toString();
return primaryColor;
}
@override
Widget build(BuildContext context) {
var subscribeWorker = Provider.of<GroupList>(context, listen: false);
final s = context.s;
savePodcast(OnlinePodcast podcast) {
SubscribeItem item = SubscribeItem(podcast.rss, podcast.title,
imgUrl: podcast.image, group: 'Home');
subscribeWorker.setSubscribeItem(item);
}
return Container(
decoration: BoxDecoration(
border: Border(
bottom: Divider.createBorderSide(context),
),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: <Widget>[
ListTile(
contentPadding: EdgeInsets.symmetric(horizontal: 20.0),
onTap: () {
setState(() {
_showDes = !_showDes;
if (_value == 0)
_controller.forward();
else
_controller.reverse();
});
},
leading: ClipRRect(
borderRadius: BorderRadius.all(Radius.circular(20.0)),
child: CachedNetworkImage(
height: 40.0,
width: 40.0,
fit: BoxFit.fitWidth,
alignment: Alignment.center,
imageUrl: widget.onlinePodcast.image,
progressIndicatorBuilder: (context, url, downloadProgress) =>
Container(
height: 40,
width: 40,
alignment: Alignment.center,
color: context.primaryColorDark,
child: SizedBox(
width: 20,
height: 2,
child: LinearProgressIndicator(
value: downloadProgress.progress),
),
),
errorWidget: (context, url, error) => Container(
width: 40,
height: 40,
alignment: Alignment.center,
color: context.primaryColorDark,
child: Icon(Icons.error)),
),
),
title: Text(widget.onlinePodcast.title),
subtitle: Text(widget.onlinePodcast.publisher ?? ''),
trailing: Row(
mainAxisAlignment: MainAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Transform.rotate(
angle: math.pi * _value,
child: Icon(Icons.keyboard_arrow_down),
),
Padding(padding: EdgeInsets.only(right: 10.0)),
Container(
width: 100,
height: 35,
child: !_issubscribe
? OutlineButton(
highlightedBorderColor: context.accentColor,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(100.0),
side: BorderSide(color: context.accentColor)),
splashColor: context.accentColor.withOpacity(0.8),
child: Text(s.subscribe,
style: TextStyle(
color: Theme.of(context).accentColor)),
onPressed: () {
savePodcast(widget.onlinePodcast);
setState(() => _issubscribe = true);
Fluttertoast.showToast(
msg: s.podcastSubscribed,
gravity: ToastGravity.BOTTOM,
);
})
: OutlineButton(
color: context.accentColor.withOpacity(0.8),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(100.0),
side: BorderSide(color: Colors.grey[500])),
highlightedBorderColor: Colors.grey[500],
disabledTextColor: Colors.grey[500],
child: Text(s.subscribe),
disabledBorderColor: Colors.grey[500],
onPressed: () {}),
),
],
),
),
_showDes
? Container(
alignment: Alignment.centerLeft,
decoration: BoxDecoration(
color: Theme.of(context).accentColor,
borderRadius: BorderRadius.only(
topRight: Radius.circular(15.0),
bottomLeft: Radius.circular(15.0),
bottomRight: Radius.circular(15.0),
)),
margin: EdgeInsets.only(left: 70, right: 50, bottom: 10.0),
padding: EdgeInsets.all(15.0),
child: Text(
widget.onlinePodcast.description.trim(),
maxLines: 3,
overflow: TextOverflow.ellipsis,
style: Theme.of(context)
.textTheme
.bodyText1
.copyWith(color: Colors.white),
),
)
: Center(),
],
),
);
}
}