class LoginAction implements IAction
	{
		public function __construct ()
		{

		}

		private function exists($username, $password)
		{
			$connection = new mysqli('localhost', 'root', '', 'tema3');
			$query = "SELECT * from users";


			$result = $connection->query($query);
			$ok = 0;
			while ($row = $result->fetch_assoc() )
			{
				//echo $row['username'];
				//echo "<br>";
				if ($row['password'] == md5($password) && $row['username'] == $username)
				{
					$ok = 1;
					break;
				}
			}
			if ($ok == 1)
			{
				return true;
			}
			else
			{
				return false;
			}
		}



		public function actionIsset ()
		{
			if (!isset($_POST))
			{
				return false;
			}
			$user = $_POST["username"];
			$pass = $_POST["password"];

			if (empty($user) || empty($pass))
			{
				return false;
			}

			return($this->exists($user, $password));
		}