50 lines
1.3 KiB
Dart
50 lines
1.3 KiB
Dart
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import 'dart:async';
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import 'dart:convert';
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import 'package:sqflite/sqflite.dart';
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import 'package:path_provider/path_provider.dart'
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show MissingPlatformDirectoryException, getApplicationDocumentsDirectory;
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import 'package:tetra_stats/services/crud_exceptions.dart';
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import 'package:tetra_stats/services/tetrio_crud.dart';
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import 'package:tetra_stats/services/settings_crud.dart';
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import 'package:path/path.dart' show join;
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const String dbName = "TetraStats.db";
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class DB {
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Database? _db;
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Future<void> open() async {
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if (_db != null) {
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throw DatabaseAlreadyOpen();
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}
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try {
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final docsPath = await getApplicationDocumentsDirectory();
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final dbPath = join(docsPath.path, dbName);
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final db = await openDatabase(dbPath);
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_db = db;
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await db.execute(createTetrioUsersTable);
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await db.execute(createSettingsTable);
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} on MissingPlatformDirectoryException {
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throw UnableToGetDocuments();
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}
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}
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Future<void> close() async {
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final db = _db;
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if (db == null) {
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throw DatabaseIsNotOpen();
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} else {
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await db.close();
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_db = null;
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}
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}
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Database getDatabaseOrThrow() {
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final db = _db;
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if (db == null) {
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throw DatabaseIsNotOpen();
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} else {
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return db;
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}
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}
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}
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