mirror of
https://github.com/R0m1k3/xtremflow.git
synced 2026-10-16 11:48:42 +02:00
feat: Add initial backend server with user authentication, session management, and playlist CRUD functionality.
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@@ -0,0 +1,291 @@
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import 'dart:io';
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import 'package:sqlite3/sqlite3.dart';
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import 'package:uuid/uuid.dart';
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import '../models/user.dart';
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import '../models/playlist.dart';
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import '../models/session.dart' as models;
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import '../utils/password_hasher.dart';
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class AppDatabase {
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late final Database _db;
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final _uuid = const Uuid();
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/// Initialize database and create tables
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Future<void> init() async {
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final dbPath = '/app/data/xtremflow.db';
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// Ensure data directory exists
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final dir = Directory('/app/data');
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if (!await dir.exists()) {
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await dir.create(recursive: true);
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}
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_db = sqlite3.open(dbPath);
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await _createTables();
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print('Database initialized: $dbPath');
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}
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/// Create database tables
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Future<void> _createTables() async {
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// Users table
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_db.execute('''
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CREATE TABLE IF NOT EXISTS users (
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id TEXT PRIMARY KEY,
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username TEXT UNIQUE NOT NULL,
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password_hash TEXT NOT NULL,
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is_admin INTEGER DEFAULT 0,
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created_at TEXT DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT DEFAULT CURRENT_TIMESTAMP
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)
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''');
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// Playlists table
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_db.execute('''
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CREATE TABLE IF NOT EXISTS playlists (
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id TEXT PRIMARY KEY,
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user_id TEXT NOT NULL,
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name TEXT NOT NULL,
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server_url TEXT NOT NULL,
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username TEXT NOT NULL,
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password TEXT NOT NULL,
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dns TEXT,
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created_at TEXT DEFAULT CURRENT_TIMESTAMP,
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updated_at TEXT DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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)
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''');
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// Sessions table
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_db.execute('''
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CREATE TABLE IF NOT EXISTS sessions (
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id TEXT PRIMARY KEY,
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user_id TEXT NOT NULL,
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token TEXT UNIQUE NOT NULL,
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expires_at TEXT NOT NULL,
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created_at TEXT DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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)
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''');
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// Indexes
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_db.execute('CREATE INDEX IF NOT EXISTS idx_sessions_token ON sessions(token)');
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_db.execute('CREATE INDEX IF NOT EXISTS idx_sessions_expires ON sessions(expires_at)');
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_db.execute('CREATE INDEX IF NOT EXISTS idx_playlists_user ON playlists(user_id)');
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}
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/// Seed default admin user if no users exist
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Future<void> seedAdmin() async {
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final result = _db.select('SELECT COUNT(*) as count FROM users');
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final count = result.first['count'] as int;
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if (count == 0) {
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final adminId = _uuid.v4();
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final passwordHash = PasswordHasher.hash('admin');
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_db.execute('''
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INSERT INTO users (id, username, password_hash, is_admin)
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VALUES (?, ?, ?, 1)
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''', [adminId, 'admin', passwordHash]);
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print('Default admin user created (username: admin, password: admin)');
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}
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}
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// ==================== Users ====================
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/// Find user by username
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User? findUserByUsername(String username) {
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final result = _db.select(
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'SELECT * FROM users WHERE username = ?',
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[username],
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);
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if (result.isEmpty) return null;
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return User.fromMap(result.first);
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}
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/// Find user by ID
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User? findUserById(String userId) {
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final result = _db.select(
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'SELECT * FROM users WHERE id = ?',
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[userId],
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);
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if (result.isEmpty) return null;
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return User.fromMap(result.first);
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}
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/// Verify user credentials
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User? verifyCredentials(String username, String password) {
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final result = _db.select(
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'SELECT * FROM users WHERE username = ?',
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[username],
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);
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if (result.isEmpty) return null;
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final passwordHash = result.first['password_hash'] as String;
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if (!PasswordHasher.verify(password, passwordHash)) {
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return null;
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}
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return User.fromMap(result.first);
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}
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/// Create new user
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User createUser(String username, String password, {bool isAdmin = false}) {
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final userId = _uuid.v4();
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final passwordHash = PasswordHasher.hash(password);
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_db.execute('''
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INSERT INTO users (id, username, password_hash, is_admin)
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VALUES (?, ?, ?, ?)
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''', [userId, username, passwordHash, isAdmin ? 1 : 0]);
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return User(
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id: userId,
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username: username,
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isAdmin: isAdmin,
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createdAt: DateTime.now(),
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);
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}
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// ==================== Sessions ====================
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/// Create new session
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models.Session createSession(String userId, {Duration? duration}) {
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final sessionId = _uuid.v4();
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final token = _uuid.v4();
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final expiresAt = DateTime.now().add(duration ?? const Duration(days: 7));
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_db.execute('''
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INSERT INTO sessions (id, user_id, token, expires_at)
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VALUES (?, ?, ?, ?)
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''', [sessionId, userId, token, expiresAt.toIso8601String()]);
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return models.Session(
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id: sessionId,
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userId: userId,
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token: token,
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expiresAt: expiresAt,
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createdAt: DateTime.now(),
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);
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}
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/// Find session by token
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models.Session? findSessionByToken(String token) {
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final result = _db.select(
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'SELECT * FROM sessions WHERE token = ?',
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[token],
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);
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if (result.isEmpty) return null;
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final session = models.Session.fromMap(result.first);
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// Check if expired
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if (session.isExpired) {
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deleteSession(token);
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return null;
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}
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return session;
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}
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/// Delete session (logout)
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void deleteSession(String token) {
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_db.execute('DELETE FROM sessions WHERE token = ?', [token]);
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}
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/// Clean expired sessions
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void cleanExpiredSessions() {
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_db.execute(
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'DELETE FROM sessions WHERE expires_at < ?',
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[DateTime.now().toIso8601String()],
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);
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}
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// ==================== Playlists ====================
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/// Get all playlists for a user
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List<Playlist> getPlaylists(String userId) {
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final result = _db.select(
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'SELECT * FROM playlists WHERE user_id = ? ORDER BY created_at DESC',
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[userId],
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);
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return result.map((row) => Playlist.fromMap(row)).toList();
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}
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/// Get playlist by ID
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Playlist? getPlaylistById(String playlistId) {
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final result = _db.select(
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'SELECT * FROM playlists WHERE id = ?',
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[playlistId],
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);
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if (result.isEmpty) return null;
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return Playlist.fromMap(result.first);
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}
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/// Create new playlist
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Playlist createPlaylist({
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required String userId,
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required String name,
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required String serverUrl,
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required String username,
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required String password,
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String? dns,
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}) {
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final playlistId = _uuid.v4();
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final now = DateTime.now().toIso8601String();
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_db.execute('''
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INSERT INTO playlists (id, user_id, name, server_url, username, password, dns, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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''', [playlistId, userId, name, serverUrl, username, password, dns, now, now]);
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return Playlist(
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id: playlistId,
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userId: userId,
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name: name,
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serverUrl: serverUrl,
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username: username,
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password: password,
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dns: dns,
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createdAt: DateTime.parse(now),
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updatedAt: DateTime.parse(now),
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);
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}
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/// Update playlist
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Playlist updatePlaylist({
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required String playlistId,
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required String name,
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required String serverUrl,
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required String username,
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required String password,
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String? dns,
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}) {
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final now = DateTime.now().toIso8601String();
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_db.execute('''
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UPDATE playlists
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SET name = ?, server_url = ?, username = ?, password = ?, dns = ?, updated_at = ?
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WHERE id = ?
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''', [name, serverUrl, username, password, dns, now, playlistId]);
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return getPlaylistById(playlistId)!;
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}
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/// Delete playlist
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void deletePlaylist(String playlistId) {
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_db.execute('DELETE FROM playlists WHERE id = ?', [playlistId]);
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}
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/// Close database connection
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void close() {
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_db.dispose();
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}
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}
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