95 lines
2.6 KiB
Dart
95 lines
2.6 KiB
Dart
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import 'dart:io';
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import 'package:guru_utils/log/log.dart';
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import 'package:path/path.dart';
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import 'package:sqflite/sqflite.dart';
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export 'batch/batch_data.dart';
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export 'batch/batch_aware.dart';
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export 'package:sqflite/sqflite.dart';
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/// Created by Haoyi on 2022/8/24
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///
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part 'migration.dart';
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typedef TableCreator = Future Function(Transaction delegate);
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abstract class AppDatabase {
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late Database _database;
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List<TableCreator> get tableCreators;
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List<Migration> get migrations;
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int get version;
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String get dbName;
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Future<String> getTestingPath() async {
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return "./mocks_dir/db";
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}
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Future _createTables(Database db) {
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return db.transaction((Transaction delegate) async {
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final List<TableCreator> creators = tableCreators;
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for (var creator in creators) {
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await creator(delegate);
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}
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});
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}
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Future _migrate(Database database, int from, int to) async {
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Log.d("MIGRATE [$from] => [$to]");
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final _migrations = migrations;
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return database.transaction((txn) async {
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for (int index = from - 1; (index < to - 1) && (index < _migrations.length); ++index) {
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var result = MigrateResult.failed;
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try {
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Log.d("====> BEGIN MIGRATE [${index + 1}] => [${index + 2}]");
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result = await _migrations[index].migrate(txn);
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} catch (error) {
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Log.d(" migrate [${index + 1}] => [${index + 2}] error:[$error]");
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rethrow;
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}
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Log.d("====> END MIGRATE [${index + 1}] => [${index + 2}] result: $result");
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}
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});
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}
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Future initDatabase() async {
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final isTesting = Platform.environment.containsKey('FLUTTER_TEST');
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final dbDir = isTesting ? await getTestingPath() : await getDatabasesPath();
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final dbPath = join(dbDir, "$dbName.db");
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Log.d("dbPath:$dbPath");
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_database = await openDatabase(
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dbPath,
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version: version,
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onCreate: (Database db, int version) async {
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// When creating the db, create the table
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try {
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await _createTables(db);
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} catch (error, stacktrace) {
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Log.w("createTables error! $error", stackTrace: stacktrace);
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}
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},
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onUpgrade: (Database db, int oldVersion, int newVersion) async {
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await _migrate(db, oldVersion, newVersion);
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},
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);
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}
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Database getDb() {
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return _database;
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}
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Future<T> runInTransaction<T>(Future<T> Function(Transaction txn) action) {
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return getDb().transaction(action);
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}
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}
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extension DatabaseExt on AppDatabase {
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String joinTextValue(List<String> value, [String separator = ""]) {
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return value.map((str) => "'$str'").toList().join(separator);
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}
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}
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