128 lines
3.3 KiB
Dart
128 lines
3.3 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'dart:io';
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import 'package:flutter/services.dart';
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import 'package:get_it/get_it.dart';
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import 'package:path/path.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:sqflite/sqflite.dart';
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export 'package:sqflite/sqlite_api.dart';
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Database db() => GetIt.instance.get<Database>();
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Future<Directory> _databaseDir() async {
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final Directory appDocDir = await getApplicationDocumentsDirectory();
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if (!appDocDir.existsSync()) appDocDir.createSync(recursive: true);
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return appDocDir;
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}
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Future<String> databasePath() async {
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return join((await _databaseDir()).path, 'jisho.sqlite');
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}
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Future<void> migrate(Database db, int oldVersion, int newVersion) async {
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final String assetManifest =
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await rootBundle.loadString('AssetManifest.json');
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final List<String> migrations =
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(jsonDecode(assetManifest) as Map<String, Object?>)
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.keys
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.where(
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(assetPath) =>
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assetPath.contains(RegExp(r'migrations\/\d{4}.*\.sql')),
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)
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.toList();
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migrations.sort();
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for (int i = oldVersion + 1; i <= newVersion; i++) {
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log(
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'Migrating database from v$i to v${i + 1} with File(${migrations[i - 1]})',
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);
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final migrationContent = await rootBundle.loadString(migrations[i - 1], cache: false);
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migrationContent
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.split(';')
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.map(
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(s) => s
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.split('\n')
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.where((l) => !l.startsWith(RegExp(r'\s*--')))
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.join('\n')
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.trim(),
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)
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.where((s) => s != '')
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.forEach(db.execute);
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}
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}
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Future<void> setupDatabase() async {
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databaseFactory.debugSetLogLevel(sqfliteLogLevelSql);
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final Database database = await openDatabase(
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await databasePath(),
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version: 1,
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onCreate: (db, version) => migrate(db, 0, version),
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onUpgrade: migrate,
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onOpen: (db) => Future.wait([
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db.execute('PRAGMA foreign_keys=ON')
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]),
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);
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GetIt.instance.registerSingleton<Database>(database);
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}
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Future<void> resetDatabase() async {
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await db().close();
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File(await databasePath()).deleteSync();
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GetIt.instance.unregister<Database>();
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await setupDatabase();
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}
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class TableNames {
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/// Attributes:
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/// - id INTEGER
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static const String historyEntry = 'JST_HistoryEntry';
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/// Attributes:
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/// - entryId INTEGER
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/// - kanji CHAR(1)
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static const String historyEntryKanji = 'JST_HistoryEntryKanji';
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/// Attributes:
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/// - entryId INTEGER
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/// - timestamp INTEGER
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static const String historyEntryTimestamp = 'JST_HistoryEntryTimestamp';
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/// Attributes:
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/// - entryId INTEGER
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/// - searchword TEXT
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/// - language CHAR(1)?
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static const String historyEntryWord = 'JST_HistoryEntryWord';
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/// Attributes:
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/// - name TEXT
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/// - nextList TEXT
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static const String savedList = 'JST_SavedList';
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/// Attributes:
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/// - listName TEXT
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/// - entryText TEXT
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/// - isKanji BOOLEAN
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/// - lastModified TIMESTAMP
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/// - nextEntry TEXT
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static const String savedListEntry = 'JST_SavedListEntry';
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///////////
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// VIEWS //
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///////////
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/// Attributes:
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/// - entryId INTEGER
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/// - timestamp INTEGER
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/// - searchword TEXT?
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/// - kanji CHAR(1)?
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/// - language CHAR(1)?
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static const String historyEntryOrderedByTimestamp =
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'JST_HistoryEntry_orderedByTimestamp';
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}
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