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themes and some refractoring

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This commit is contained in:
Rene Kievits
2025-10-31 17:18:33 +01:00
parent 4eb488e28c
commit de3501c3e4
15 changed files with 443 additions and 414 deletions
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92
lib/src/services/database_helper.dart Normal file
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import 'package:path/path.dart';
import 'package:path_provider/path_provider.dart';
import 'package:sqflite/sqflite.dart';
import 'database_constants.dart';
class DatabaseHelper {
static final DatabaseHelper _instance = DatabaseHelper._internal();
static Database? _db;
factory DatabaseHelper() {
return _instance;
}
DatabaseHelper._internal();
Future<Database> get db async {
if (_db != null) return _db!;
_db = await _openDb();
return _db!;
}
Future<void> close() async {
if (_db != null) {
await _db!.close();
_db = null;
}
}
Future<Database> _openDb() async {
final dir = await getApplicationDocumentsDirectory();
final path = join(dir.path, 'wanikani_srs.db');
return openDatabase(
path,
version: 7,
onCreate: (db, version) async {
await db.execute(
'''CREATE TABLE ${DbConstants.kanjiTable} (${DbConstants.idColumn} INTEGER PRIMARY KEY, ${DbConstants.levelColumn} INTEGER, ${DbConstants.charactersColumn} TEXT, ${DbConstants.meaningsColumn} TEXT, ${DbConstants.onyomiColumn} TEXT, ${DbConstants.kunyomiColumn} TEXT)''',
);
await db.execute(
'''CREATE TABLE ${DbConstants.settingsTable} (${DbConstants.keyColumn} TEXT PRIMARY KEY, ${DbConstants.valueColumn} TEXT)''',
);
await db.execute(
'''CREATE TABLE ${DbConstants.srsItemsTable} (${DbConstants.kanjiIdColumn} INTEGER, ${DbConstants.quizModeColumn} TEXT, ${DbConstants.readingTypeColumn} TEXT, ${DbConstants.srsStageColumn} INTEGER, ${DbConstants.lastAskedColumn} TEXT, PRIMARY KEY (${DbConstants.kanjiIdColumn}, ${DbConstants.quizModeColumn}, ${DbConstants.readingTypeColumn}))''',
);
await db.execute(
'''CREATE TABLE ${DbConstants.vocabularyTable} (${DbConstants.idColumn} INTEGER PRIMARY KEY, ${DbConstants.levelColumn} INTEGER, ${DbConstants.charactersColumn} TEXT, ${DbConstants.meaningsColumn} TEXT, ${DbConstants.readingsColumn} TEXT, ${DbConstants.pronunciationAudiosColumn} TEXT)''',
);
await db.execute(
'''CREATE TABLE ${DbConstants.srsVocabItemsTable} (${DbConstants.vocabIdColumn} INTEGER, ${DbConstants.quizModeColumn} TEXT, ${DbConstants.srsStageColumn} INTEGER, ${DbConstants.lastAskedColumn} TEXT, PRIMARY KEY (${DbConstants.vocabIdColumn}, ${DbConstants.quizModeColumn}))''',
);
},
onUpgrade: (db, oldVersion, newVersion) async {
if (oldVersion < 2) {
await db.execute(
'''CREATE TABLE IF NOT EXISTS ${DbConstants.settingsTable} (${DbConstants.keyColumn} TEXT PRIMARY KEY, ${DbConstants.valueColumn} TEXT)''',
);
}
if (oldVersion < 4) {
await db.execute(
'''CREATE TABLE IF NOT EXISTS ${DbConstants.srsItemsTable} (${DbConstants.kanjiIdColumn} INTEGER, ${DbConstants.quizModeColumn} TEXT, ${DbConstants.readingTypeColumn} TEXT, ${DbConstants.srsStageColumn} INTEGER, ${DbConstants.lastAskedColumn} TEXT, PRIMARY KEY (${DbConstants.kanjiIdColumn}, ${DbConstants.quizModeColumn}, ${DbConstants.readingTypeColumn}))''',
);
}
if (oldVersion < 5) {
await db.execute(
'''CREATE TABLE IF NOT EXISTS ${DbConstants.vocabularyTable} (${DbConstants.idColumn} INTEGER PRIMARY KEY, ${DbConstants.charactersColumn} TEXT, ${DbConstants.meaningsColumn} TEXT, ${DbConstants.readingsColumn} TEXT)''',
);
await db.execute(
'''CREATE TABLE IF NOT EXISTS ${DbConstants.srsVocabItemsTable} (${DbConstants.vocabIdColumn} INTEGER, ${DbConstants.quizModeColumn} TEXT, ${DbConstants.srsStageColumn} INTEGER, ${DbConstants.lastAskedColumn} TEXT, PRIMARY KEY (${DbConstants.vocabIdColumn}, ${DbConstants.quizModeColumn}))''',
);
}
if (oldVersion < 6) {
try {
await db.execute(
'ALTER TABLE ${DbConstants.vocabularyTable} ADD COLUMN ${DbConstants.pronunciationAudiosColumn} TEXT',
);
} catch (_) {
// Ignore error, column might already exist
}
}
if (oldVersion < 7) {
try {
await db.execute('ALTER TABLE ${DbConstants.kanjiTable} ADD COLUMN ${DbConstants.levelColumn} INTEGER');
await db.execute('ALTER TABLE ${DbConstants.vocabularyTable} ADD COLUMN ${DbConstants.levelColumn} INTEGER');
} catch (_) {
// Ignore error, column might already exist
}
}
},
);
}
}