fartstack/backend/lib/database.dart

import 'dart:io';

import 'package:drift/drift.dart';
import 'package:drift/native.dart';

part 'database.g.dart';

class Users extends Table {
  TextColumn get uuid => text().unique()();
  TextColumn get gameRoom => text().references(GameRooms, #uuid).nullable()();
  TextColumn get name => text().withLength(min: 2, max: 32)();
  DateTimeColumn get createdAt => dateTime().nullable()();
}

enum GameStatus {
  opened,
  running,
  closed,
}

class GameRooms extends Table {
  TextColumn get uuid => text().unique()();
  TextColumn get status => textEnum<GameStatus>()();
  DateTimeColumn get createdAt => dateTime().nullable()();
}

@DriftDatabase(tables: [Users, GameRooms])
class AppDatabase extends _$AppDatabase {
  AppDatabase() : super(_openConnection());

  @override
  int get schemaVersion => 1;

  static QueryExecutor _openConnection() {
    return NativeDatabase.createInBackground(File('./backend.db'));
  }

  @override
  MigrationStrategy get migration {
    return MigrationStrategy(
      beforeOpen: (details) async {
        // Statements to run to make sqlite performant, running in WAL mode, etc
        await customStatement('PRAGMA foreign_keys = ON');
        await customStatement('PRAGMA journal_mode=WAL');
        await customStatement('PRAGMA busy_timeout=5000');
        await customStatement('PRAGMA synchronous=NORMAL');
        await customStatement('PRAGMA cache_size=10000');
        await customStatement('PRAGMA temp_store=MEMORY');
        await customStatement('PRAGMA mmap_size=268435456');
      },
    );
  }
}