Jisho-Study-Tool/lib/bloc/kanji/kanji_bloc.dart

58 lines
1.8 KiB
Dart

import 'dart:async';
import 'package:jisho_study_tool/bloc/database/database_bloc.dart';
import 'package:jisho_study_tool/models/history/kanji_query.dart';
import 'package:jisho_study_tool/models/history/search.dart';
import './kanji_event.dart';
import './kanji_state.dart';
import 'package:bloc/bloc.dart';
import 'package:jisho_study_tool/services/jisho_api/kanji_search.dart';
import 'package:jisho_study_tool/services/kanji_suggestions.dart';
export './kanji_event.dart';
export './kanji_state.dart';
class KanjiBloc extends Bloc<KanjiEvent, KanjiState> {
DatabaseBloc _databaseBloc;
KanjiBloc(this._databaseBloc) : super(KanjiSearch(KanjiSearchType.Initial));
void addSearchToDB(kanji) {
if (_databaseBloc.state is DatabaseDisconnected)
throw DatabaseNotConnectedException;
(_databaseBloc.state as DatabaseConnected)
.database
.box<Search>()
.put(Search(timestamp: DateTime.now())
..kanjiQuery.target = KanjiQuery(
kanji: kanji,
));
}
@override
Stream<KanjiState> mapEventToState(KanjiEvent event) async* {
if (event is GetKanji) {
yield KanjiSearchLoading();
try {
addSearchToDB(event.kanjiSearchString);
final kanji = await fetchKanji(event.kanjiSearchString);
if (kanji.found)
yield KanjiSearchFinished(kanji: kanji);
else
yield KanjiSearchError('Something went wrong');
} on Exception {
yield KanjiSearchError('Something went wrong');
}
} else if (event is GetKanjiSuggestions) {
final suggestions = kanjiSuggestions(event.searchString);
yield KanjiSearchKeyboard(KanjiSearchType.Keyboard, suggestions);
} else if (event is ReturnToInitialState) {
yield KanjiSearch(KanjiSearchType.Initial);
}
}
}