Dragon-Knight/server/app/App.php

<?php

/*
	The app container exists to be a dependency container for the game.
*/

class App
{
	public static Database $db;
	private static string $dbPath;
	public static Request $req;
	public static Auth $auth;
	public static array $s = []; // game settings
	public static array $flashes = []; // flash messages

	public function __construct(string $dbPath)
	{
		self::$req = new Request(); // the current request
		self::$db = new Database($dbPath); // the database
		self::$dbPath = $dbPath; // the database path

		// stuff that can only be loaded if the database is installed
		if (INSTALLED) {
			// load game settings
			$s = self::$db->q('SELECT * FROM settings WHERE id = 1;');
			self::$s = $s ? $s->fetch() : [];

			// init authentication
			self::$auth = new Auth();
		}

		// load flash messages
		self::$flashes = $_SESSION['flash'] ?? [];
	}

	public static function performDatabaseReset(): void
	{
		if (file_exists(self::$dbPath)) {
			unlink(self::$dbPath);
			self::$db = new Database(self::$dbPath);
		}
	}

	public static function auth(): bool
	{
		return self::$auth->good();
	}

	public static function flash(string $key, mixed $value = null): mixed
	{
		// get a flash message
		if ($value === null) return self::$flashes[$key] ?? null;

		// set a flash message
		$_SESSION['flash'][$key] = $value;
		self::$flashes[$key] = $value;
	}

	public function __destruct()
	{
		// clean up flash messages
		$_SESSION['flash'] = [];
	}
}