Dragon-Knight/server/app/App.php

<?php

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

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

	public function __construct(Database $db, Request $req, Auth $auth)
	{
		self::$req = $req; // the current request
		self::$db = $db; // the database
		self::$auth = $auth; // the auth system

		// load game settings
		$s = self::$db->q('SELECT * FROM settings WHERE id = 1;');
		self::$s = $s ? $s->fetch() : [];

		if (INSTALLED) {
			// load the player's auth
			self::$auth->good();
		}

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

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

	public function route(string $uri, string $module): App
	{
		$this->routes[$uri] = $module;
		return $this;
	}

	public function handle(string $uri): App
	{
		if (!isset($this->routes[$uri])) return self::fourOhFour($uri);
		$this->routes[$uri]::handle();
		return $this;
	}

	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;

		return null;
	}

	public function cleanup()
	{
		// clean up flash messages
		$_SESSION['flash'] = [];
		self::$flashes = [];
	}

	public static function fourOhFour(string $uri): void
	{
		http_response_code(404);
		echo "404: $uri";
	}
}