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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
File: qa-include/Q2A/Recalc/AbstractStep.php
Description: Base class for step classes in the recal processes.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
More about this license: http://www.question2answer.org/license.php
*/
if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
header('Location: ../../');
exit;
}
require_once QA_INCLUDE_DIR . 'app/format.php'; //required for qa_number_format()
abstract class Q2A_Recalc_AbstractStep
{
protected $state;
protected $isFinalStep = false;
public function __construct(Q2A_Recalc_State $state)
{
$this->state = $state;
}
abstract public function doStep();
public function getMessage()
{
return '';
}
public function isFinalStep()
{
return $this->isFinalStep;
}
/**
* Return the translated language ID string replacing the progress and total in it.
* @access private
* @param string $langId Language string ID that contains 2 placeholders (^1 and ^2)
* @param int $progress Amount of processed elements
* @param int $total Total amount of elements
*
* @return string Returns the language string ID with their placeholders replaced with
* the formatted progress and total numbers
*/
protected function progressLang($langId, $progress, $total)
{
return strtr(qa_lang($langId), array(
'^1' => qa_format_number((int)$progress),
'^2' => qa_format_number((int)$total),
));
}
public static function factory(Q2A_Recalc_State $state)
{
$class = $state->getOperationClass();
if (class_exists($class)) {
return new $class($state);
}
return null;
}
}