96 lines
3.2 KiB
Dart
96 lines
3.2 KiB
Dart
import 'package:hub/shared/components/molecules/modules/index.dart';
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import 'package:hub/shared/constants/index.dart';
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import 'package:hub/shared/helpers/storage/keychain_storage.dart';
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import 'package:sqflite/sqflite.dart';
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import 'package:path/path.dart';
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import 'dart:developer';
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class DatabaseStorage {
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static const String _dbName = 'database.db';
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static const int _dbVersion = 2;
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static final DatabaseStorage instance = DatabaseStorage._internal();
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factory DatabaseStorage() => instance;
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DatabaseStorage._internal();
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static Database? _database;
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static Database get database {
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if (_database == null) {
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throw Exception('Database has not been initialized. Call init() first.');
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}
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return _database!;
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}
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static bool isInitialized = false;
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Future<void> init() async {
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if (isInitialized) return;
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_database = await openDatabase(
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join(await getDatabasesPath(), _dbName),
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version: _dbVersion,
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onCreate: _onCreate,
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onUpgrade: _onUpgrade,
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onDowngrade: _onDowngrade,
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onOpen: _onOpen,
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onConfigure: _onConfigure,
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);
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await LicenseRepositoryImpl().updateLicense();
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isInitialized = true;
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}
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Future<void> _onConfigure(Database database) async {
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print('Configuring database...');
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}
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Future<void> _onOpen(Database database) async {
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print('Opening database...');
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await _executePragmas(database);
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}
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Future<void> _onCreate(Database database, int version) async {
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print('Creating database...');
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await _createTables(database, version);
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}
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Future<void> _onUpgrade(Database database, int oldVersion, int newVersion) async {
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print('Upgrading database from version $oldVersion to $newVersion...');
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if (oldVersion < 2 && newVersion >= 2) {
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await _createTables(database, newVersion);
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}
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}
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Future<void> _onDowngrade(Database database, int oldVersion, int newVersion) async {
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print('Downgrading database from version $oldVersion to $newVersion...');
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if (oldVersion >= 2 && newVersion < 2) {
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await _dropTables(database);
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}
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}
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Future<void> _executePragmas(Database database) async {
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// await database.execute('PRAGMA journal_mode = WAL;');
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// await database.execute('PRAGMA synchronous = NORMAL;');
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// await database.execute('PRAGMA temp_store = MEMORY;');
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// await database.execute('PRAGMA foreign_keys = ON;');
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}
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Future<void> _createTables(Database database, int version) async {
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await database.execute(createKeychainTable);
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await database.execute(LicenseConstants.createLicenseTable);
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if (version >= 2) {
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await database.execute(LicenseConstants.updatePetsHistoryTrigger);
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await database.execute(LicenseConstants.updateDisplayTrigger);
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await database.execute(LicenseConstants.insertDisplayTrigger);
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await database.execute(LicenseConstants.updatePeopleDisplayTrigger);
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}
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}
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Future<void> _dropTables(Database database) async {
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await database.execute(LicenseConstants.deleteLicenseTable);
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await database.execute(LicenseConstants.dropPeopleDisplayTrigger);
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await database.execute(LicenseConstants.dropInsertDisplayTrigger);
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await database.execute(LicenseConstants.dropUpdateDisplayTrigger);
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await database.execute(LicenseConstants.dropPetsHistoryTrigger);
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}
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}
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