95 lines
2.2 KiB
Dart
95 lines
2.2 KiB
Dart
import '../models/contact.dart';
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import 'package:path/path.dart';
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import 'package:sqflite_common_ffi/sqflite_ffi.dart';
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class DatabaseHelper {
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static final DatabaseHelper _instance = DatabaseHelper._internal();
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static Database? _database;
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factory DatabaseHelper() {
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return _instance;
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}
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DatabaseHelper._internal();
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Future<Database> get database async {
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if (_database != null) {
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return _database!;
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}
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_database = await _initDatabase();
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return _database!;
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}
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Future<Database> _initDatabase() async {
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sqfliteFfiInit();
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var databaseFactory = databaseFactoryFfi;
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final databasePath = await getDatabasesPath();
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final path = join(databasePath, 'contacts.db');
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return await databaseFactory.openDatabase(
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path,
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options: OpenDatabaseOptions(
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version: 1,
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onCreate: (db, version) async {
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await db.execute('''
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CREATE TABLE contacts(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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phone TEXT,
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email TEXT,
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address TEXT,
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company TEXT,
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notes TEXT
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)
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''');
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},
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),
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);
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}
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Future<int> insertContact(Contact contact) async {
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final db = await database;
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return await db.insert(
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'contacts',
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contact.toMap(),
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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Future<List<Contact>> getContacts() async {
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final db = await database;
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final List<Map<String, dynamic>> maps = await db.query(
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'contacts',
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orderBy: 'name ASC',
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); // Order by name for display
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return List.generate(maps.length, (i) {
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return Contact.fromMap(maps[i]);
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});
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}
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Future<int> updateContact(Contact contact) async {
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final db = await database;
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return await db.update(
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'contacts',
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contact.toMap(),
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where: 'id = ?',
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whereArgs: [contact.id],
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);
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}
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Future<int> deleteContact(int id) async {
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final db = await database;
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return await db.delete('contacts', where: 'id = ?', whereArgs: [id]);
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}
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Future<void> closeDatabase() async {
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final db = await _database;
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if (db != null && db.isOpen) {
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await db.close();
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_database = null; // Clear the instance
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}
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}
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}
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