class Model {
	public function connectToDB(){
		$dsn= 'mysql:dbname=secondhand;host=127.0.0.1';
		$user = 'root';
		$password = '';
		$db = new PDO($dsn, $user, $password);
		return $db;
	}
	public function getCategoryList()
	{
		// here goes some hardcoded values to simulate the database
		return array(
			"category1" => new Category("category1"),
			"category2" => new Category("category2"),
			"category3" => new Category("category3")
		);
	}



	public function newItem(){

	}


}