yokutango-mobile-reader/lib/service/tangocard_files.dart

64 lines
2.0 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:yokutango_mobile_reader/models/data_entry.dart';
// TODO: merge
Future<Map<File, List<YokutangoEntry>>> get tangocardFilePaths => rootBundle
.loadString('AssetManifest.json')
.then(
(json) => jsonDecode(json)
.keys
.where((String key) =>
key.contains('yokutango/json/') && key.contains('.json'))
.toList(),
)
.then(
(l) async => Map.fromIterables(
l.map<File>((f) => File(f)),
await Future.wait<List<YokutangoEntry>>(
l.map<Future<List<YokutangoEntry>>>(
(String t) => rootBundle.loadString(t).then<List<YokutangoEntry>>(
(s) => jsonDecode(s)
.map<YokutangoEntry>((e) => YokutangoEntry.fromJson(e))
.toList()),
)),
),
);
Future<Map<File, List<KanjiEntry>>> get kanjicardFilePaths =>
rootBundle.loadString('AssetManifest.json').then(
(json) {
final jsonKeys = jsonDecode(json).keys;
final kanjiPaths = jsonKeys
.where((String key) =>
RegExp(r'assets/yokutango/kanji/kanji_\d+.json')
.matchAsPrefix(key) !=
null)
.toList();
final kanaPaths = jsonKeys
.where((String key) =>
RegExp(r'assets/yokutango/kanji/(?:hiragana|katakana).json')
.matchAsPrefix(key) !=
null)
.toList();
return kanaPaths + kanjiPaths;
},
).then(
(l) async => Map.fromIterables(
l.map<File>((f) => File(f)),
await Future.wait<List<KanjiEntry>>(l.map<Future<List<KanjiEntry>>>(
(String t) => rootBundle.loadString(t).then<List<KanjiEntry>>((s) =>
jsonDecode(s)
.map<KanjiEntry>((e) => KanjiEntry.fromJson(e))
.toList()),
)),
),
);