<?php
/**
* @version	$Id: AbstractCommand.php 16252 2015-09-27 06:34:45Z alex $
* @package	In-Portal
* @copyright	Copyright (C) 1997 - 2015 Intechnic. All rights reserved.
* @license      GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/

namespace InPortal\Core\kernel\Console\Command;


use InPortal\Core\kernel\Console\ConsoleApplication;
use Symfony\Component\Console\Command\Command as SymfonyCommand;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

defined('FULL_PATH') or die('restricted access!');

abstract class AbstractCommand extends SymfonyCommand implements IConsoleCommand
{

	/**
	 * Reference to global kApplication instance
	 *
	 * @var \kApplication.
	 */
	protected $Application = null;

	/**
	 * Connection to database.
	 *
	 * @var \IDBConnection
	 */
	protected $Conn = null;

	/**
	 * Sets the application instance for this command.
	 *
	 * @param ConsoleApplication $application An Application instance.
	 *
	 * @return void
	 */
	public function setApplication(ConsoleApplication $application = null)
	{
		parent::setApplication($application);

		// For disabled commands $application is not set.
		if ( isset($application) ) {
			$this->Application = $application->getKernelApplication();
			$this->Conn =& $this->Application->GetADODBConnection();
		}
	}

	/**
	 * Perform additional validation of the input.
	 *
	 * @param InputInterface  $input  An InputInterface instance.
	 * @param OutputInterface $output An OutputInterface instance.
	 *
	 * @return void
	 * @throws \RuntimeException When not all required arguments were passed.
	 */
	protected function initialize(InputInterface $input, OutputInterface $output)
	{
		$arguments = array_filter($input->getArguments());

		// Consider required arguments passed with empty values as an error.
		if ( count($arguments) < $this->getDefinition()->getArgumentRequiredCount() ) {
			throw new \RuntimeException('Not enough arguments.');
		}
	}

}