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Path: /data/applications/aps/sugarcrm/6.5.16-25/standard/htdocs/modules/UpgradeWizard/ [ Home ]
File: UpgradeRemoval.php
<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * 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 Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/


/**
 * UpgradeRemoval.php
 * 
 * This is the base class to support removing files during an upgrade process.
 * To support custom removal of files during an upgrade process take the following steps:
 * 
 * 1) Extend this class and save the PHP file name to be the same as the class name
 * 2) Override the getFilesToRemove method to return an Array of files/directories to remove
 * 3) Place this PHP file in custom/scripts/files_to_remove directory of your SugarCRM install
 * 
 * The UpgradeRemoval instance will be invoked from the unlinkUpgradeFiles method of uw_utils.php
 */
class UpgradeRemoval
{

    /**
     * @var string minimal version for removal
     */
    public $version = '';

/**
 * getFilesToRemove
 * Return array of files/directories to remove.  Default implementation returns empty array.
 * 
 * @param int $version integer value of original version to be upgraded
 * @return mixed $files Array of files/directories to remove
 */
public function getFilesToRemove($version)
{
	return array();
}

/**
 * processFilesToRemove
 * This method handles removing the array of files/directories specified.
 * 
 * @param mixed $files 
 */
public function processFilesToRemove($files=array())
{
	if(empty($files) || !is_array($files))
	{
		return;
	}	
	
	require_once('include/dir_inc.php');
	
	if(!file_exists('custom/backup'))
	{
	   mkdir_recursive('custom/backup');
	}
	
	foreach($files as $file)
	{		
		if(file_exists($file))
		{
			$this->backup($file);   
			if(is_dir($file))
			{
			  rmdir_recursive($file);	
			} else {
			  unlink($file);
			}
	    }
	}
}


/**
 * backup
 * Private method to handle backing up the file to custom/backup directory
 * 
 * @param $file File or directory to backup to custom/backup directory
 */
protected function backup($file)
{
	$basename = basename($file);
	$basepath = str_replace($basename, '', $file);

	if(!empty($basepath) && !file_exists('custom/backup/' . $basepath))
	{
	   mkdir_recursive('custom/backup/' . $basepath);
	}
	
	if(is_dir($file))
	{
    	copy_recursive($file, 'custom/backup/' . $file);	
	} else {
		copy($file, 'custom/backup/' . $file);
	}
}

}