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Current File : /home/sunflowe/www2/j30/administrator/components/com_akeeba/AliceEngine/core/domain/abstract.php

<?php
/**
 * Akeeba Engine
 * The modular PHP5 site backup engine
 *
 * @copyright Copyright (c)2006-2016 Nicholas K. Dionysopoulos
 * @license   GNU GPL version 3 or, at your option, any later version
 * @package   akeebaengine
 *
 */

// Protection against direct access
defined('AKEEBAENGINE') or die();

/**
 * Abstract class for checks. Every domain that performs checks should extend this one
 */
class AliceCoreDomainAbstract extends AliceAbstractPart
{
	/** @var int Domain priority */
	public $priority = 20;
	/** @var int Progress percentage */
	protected $progress = 0;
	/** @var null Handle to Akeeba Backup log to analyze */
	protected $log = null;
	/** @var string Name of the current step */
	protected $stepName = '';
	/** @var string Name of the checks to load */
	protected $checksName = '';
	/** @var array Stack of check to be performed */
	private $checks = array();
	/** @var int   Total number of checks to be performed */
	private $totalChecks = 0;

	public function __construct($priority, $checksName, $stepName)
	{
		$this->priority   = $priority;
		$this->checksName = $checksName;
		$this->stepName   = $stepName;

		parent::__construct();

		AliceUtilLogger::WriteLog(_AE_LOG_DEBUG, __CLASS__ . " :: New instance");
	}

	protected function _prepare()
	{
		$this->progress = 0;
		$this->setStep($this->stepName);
		$this->setState('prepared');
	}

	protected function _run()
	{
		// Run in a loop until we run out of time, or breakflag is set
		$registry = AliceFactory::getConfiguration();
		$timer    = AliceFactory::getTimer();

		// Let's check if I already have a stack coming from previous call
		$this->log         = $registry->get('volatile.alice.logToAnalyze');
		$this->checks      = $registry->get('volatile.alice.' . $this->checksName . '.checks', array());
		$this->totalChecks = $registry->get('volatile.alice.' . $this->checksName . '.totalChecks', 0);

		// No incoming stack, let's build it now
		if ( !$this->checks)
		{
			$this->checks      = AliceUtilScripting::getChecksStack($this->checksName);
			$this->totalChecks = count($this->checks);
		}

		while (($timer->getTimeLeft() > 0) && ( !$registry->get('volatile.breakflag', false)) && count($this->checks))
		{
			if ($this->getState() == 'postrun')
			{
				AliceUtilLogger::WriteLog(_AE_LOG_DEBUG, __CLASS__ . " :: Already finished");
				$this->setStep("-");
				$this->setSubstep("");

				break;
			}
			else
			{
				// Did I finished every check?
				if ( !$this->checks)
				{
					return;
				}

				$error     = '';
				$solution  = '';
				$className = array_shift($this->checks);

				/** @var AliceCoreDomainChecksAbstract $check */
				$check     = new $className($this->log);

				$this->setSubstep($check->getName());
				$this->progress = ($this->totalChecks - count($this->checks)) / $this->totalChecks;

				// Well, check, do your job!
				try
				{
					$check->check();
				}
				catch (Exception $e)
				{
					// Mhm... log didn't passed the check. Let's save the error and the suggested solution
					$error    = $e->getMessage();
					$solution = $check->getSolution();
				}

				$result = $check->getResult();

				$feedback = $registry->get('volatile.alice.feedback', array());

				$feedback[] = array(
					'check'    => $check->getName(),
					'result'   => $result,
					'error'    => $error,
					'solution' => $solution,
					'raw'      => array(
						'check' => $check->getCheckLangKey(),
						'error' => $check->getErrLangKey()
					)
				);

				$registry->set('volatile.alice.feedback', $feedback);

				unset($check);
			}
		}

		// Let's save everything
		$registry->set('volatile.alice.requirements.checks', $this->checks);
		$registry->set('volatile.alice.requirements.totalChecks', $this->totalChecks);

		$this->setState('postrun');
	}

	protected function _finalize()
	{
		$this->setState('finished');
	}

	public function getProgress()
	{
		return $this->progress;
	}

	public function getStepName()
	{
		return $this->stepName;
	}
}