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

import 'package:flutter/material.dart';
import 'package:color_thief_flutter/color_thief_flutter.dart';
import 'class/importompl.dart';
import 'package:dio/dio.dart';
import 'package:provider/provider.dart';
import 'dart:convert';
import 'dart:async';
import 'class/searchpodcast.dart';
import 'class/podcastlocal.dart';
import 'class/sqflite_localpodcast.dart';
import 'home.dart';
import 'popupmenu.dart';

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final _MyHomePageDelegate _delegate = _MyHomePageDelegate();
  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();

  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
      create: (context) => ImportOmpl(),
      child: Scaffold(
        key: _scaffoldKey,
        appBar: AppBar(
          elevation: 0,
          centerTitle: true,
          backgroundColor: Colors.grey[100],
          leading: IconButton(
            tooltip: 'Add',
            icon: const Icon(Icons.add_circle_outline),
            onPressed: () async {
              await showSearch<int>(
                context: context,
                delegate: _delegate,
              );
            },
          ),
          title: Text('🎙TsacDop', style: TextStyle(color: Colors.blue[600])),
          actions: <Widget>[
            PopupMenu(),
          ],
        ),
        body: Home(),
      ),
    );
  }
}

class _MyHomePageDelegate extends SearchDelegate<int> {
  static Future<List> getList(String searchText) async {
    String url =
        "https://listennotes.p.mashape.com/api/v1/search?only_in=title&q=" +
            searchText +
            "&sort_by_date=0&type=podcast";
    Response response = await Dio().get(url,
        options: Options(headers: {
          'X-Mashape-Key': "UtSwKG4afSmshZfglwsXylLKJZHgp1aZHi2jsnSYK5mZi0A32T",
          'Accept': "application/json"
        }));
    Map searchResultMap = jsonDecode(response.toString());
    var searchResult = SearchPodcast.fromJson(searchResultMap);
    return searchResult.results;
  }

  @override
  Widget buildLeading(BuildContext context) {
    return IconButton(
      tooltip: '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: AssetImage('assets/listennote.png'),
          width: 300,
        ),
      ));
    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)
        IconButton(
          tooltip: 'Voice Search',
          icon: const Icon(Icons.mic),
          onPressed: () {
            query = 'TODO: implement voice input';
          },
        )
      else
        IconButton(
          tooltip: '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: Image.asset(
          'assets/listennote.png',
          fit: BoxFit.fill,
        ),
      );
    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 SearchResult extends StatefulWidget {
  final OnlinePodcast onlinePodcast;
  SearchResult({this.onlinePodcast, Key key}) : super(key: key);
  @override
  _SearchResultState createState() => _SearchResultState();
}

class _SearchResultState extends State<SearchResult> {
  bool _issubscribe;
  bool _adding;
  Future _subscribe(OnlinePodcast t) async {
    if (mounted)
      setState(() {
        _adding = true;
      });
    String _primaryColor;
    await getColorFromUrl(t.image).then((color) {
      print(color.toString());
      _primaryColor = color.toString();
    });
    var dbHelper = DBHelper();
    final PodcastLocal _pdt =
        PodcastLocal(t.title, t.image, t.rss, _primaryColor, t.publisher);
    _pdt.description = t.description;
    print(t.title + t.rss);
    await dbHelper.savePodcastLocal(_pdt);
    final response = await Dio().get(t.rss);
    int result = await dbHelper.savePodcastRss(response.data);
    if (result == 0 && mounted) setState(() => _issubscribe = true);
  }

  bool isXimalaya(String input) {
    RegExp ximalaya = RegExp(r"ximalaya");
    return ximalaya.hasMatch(input);
  }

  @override
  void initState() {
    super.initState();
    _issubscribe = false;
    _adding = false;
  }

  @override
  void dispose() {
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: EdgeInsets.symmetric(horizontal: 12.0),
      child: ListTile(
        leading: ClipRRect(
          borderRadius: BorderRadius.all(Radius.circular(20.0)),
          child: Image.network(
            widget.onlinePodcast.image,
            height: 40.0,
            width: 40.0,
            fit: BoxFit.fitWidth,
            alignment: Alignment.center,
          ),
        ),
        title: Text(widget.onlinePodcast.title),
        subtitle: Text(widget.onlinePodcast.publisher),
        trailing: isXimalaya(widget.onlinePodcast.rss)
            ? OutlineButton(child: Text('Not Support'), onPressed: null)
            : !_issubscribe
                ? !_adding
                    ? OutlineButton(
                        child: Text('Subscribe',
                            style: TextStyle(color: Colors.blue)),
                        onPressed: () {
                          _subscribe(widget.onlinePodcast);
                        })
                    : OutlineButton(
                        child: SizedBox(
                            height: 20,
                            width: 20,
                            child: CircularProgressIndicator(
                              strokeWidth: 2,
                              valueColor: AlwaysStoppedAnimation(Colors.blue),
                            )),
                        onPressed: () {},
                      )
                : OutlineButton(child: Text('Subscribe'), onPressed: null),
      ),
    );
  }
}