git-touch-android-ios-app/lib/providers/search.dart

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2019-01-23 12:52:51 +01:00
import 'package:flutter/widgets.dart';
import 'dart:async';
import 'package:rxdart/subjects.dart';
import 'package:rxdart/rxdart.dart';
import 'package:git_touch/utils/utils.dart';
2019-01-23 12:52:51 +01:00
Future search(String keyword, String type) async {
var data = await query('''
{
search(query: "$keyword", type: $type, first: 10) {
nodes {
... on User {
avatarUrl
login
}
... on Repository {
nameWithOwner
url
description
forkCount
stargazers {
totalCount
}
primaryLanguage {
name
color
}
}
}
}
}
''');
return data['search']['nodes'];
}
class SearchBloc {
final _keyword = BehaviorSubject(seedValue: '');
final _active = BehaviorSubject(seedValue: 0);
final _loading = BehaviorSubject(seedValue: false);
final _users = BehaviorSubject(seedValue: []);
final _repos = BehaviorSubject(seedValue: []);
final _submit = StreamController();
Stream<String> get keyword => _keyword.stream;
Stream<int> get active => _active.stream;
Stream<bool> get loading => _loading.stream;
Stream get users => _users.stream;
Stream get repos => _repos.stream;
Sink<int> get activeUpdate => _active.sink;
Sink<String> get keywordUpdate => _keyword.sink;
Sink get submit => _submit.sink;
_getTypeByIndex(int index) {
switch (index) {
case 0:
return 'REPOSITORY';
case 1:
return 'USER';
}
}
_querySearch(_) async {
_loading.add(true);
await search(_keyword.value, _getTypeByIndex(_active.value));
_loading.add(false);
}
SearchBloc() {
_submit.stream.listen(_querySearch);
}
}
class SearchProvider extends InheritedWidget {
final SearchBloc bloc;
SearchProvider({
Key key,
Widget child,
@required SearchBloc bloc,
}) : bloc = bloc,
super(key: key, child: child);
@override
bool updateShouldNotify(InheritedWidget oldWidget) => true;
static SearchBloc of(BuildContext context) =>
(context.inheritFromWidgetOfExactType(SearchProvider) as SearchProvider)
.bloc;
}