drift/examples/manager/lib/database.dart

43 lines
1.4 KiB
Dart

import 'dart:io';
import 'package:drift/drift.dart';
import 'package:drift/native.dart';
import 'package:flutter/material.dart' show Color;
import 'package:manager/tables.dart';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as p;
import 'package:sqlite3/sqlite3.dart';
import 'package:sqlite3_flutter_libs/sqlite3_flutter_libs.dart';
part 'database.g.dart';
@DriftDatabase(tables: [Products, Listings, Store, Owner])
class AppDatabase extends _$AppDatabase {
AppDatabase() : super(connect());
@override
int get schemaVersion => 1;
}
LazyDatabase connect() {
return LazyDatabase(() async {
// put the database file, called db.sqlite here, into the documents folder
// for your app.
final dbFolder = await getApplicationDocumentsDirectory();
final file = File(p.join(dbFolder.path, 'db1.sqlite'));
// Also work around limitations on old Android versions
if (Platform.isAndroid) {
await applyWorkaroundToOpenSqlite3OnOldAndroidVersions();
}
// Make sqlite3 pick a more suitable location for temporary files - the
// one from the system may be inaccessible due to sandboxing.
final cachebase = (await getTemporaryDirectory()).path;
// We can't access /tmp on Android, which sqlite3 would try by default.
// Explicitly tell it about the correct temporary directory.
sqlite3.tempDirectory = cachebase;
return NativeDatabase.createInBackground(file);
});
}