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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* The dependency helper class.
*
* @package Component.Helpers
* @since 2.0
*/
class DependencyHelper extends AppHelper {
/**
* Checks if ZOO extensions meet the required version
*
* @return boolean true if all requirements are met
*
* @since 2.0
*/
public function check() {
if ($dependencies = $this->app->path->path("component.admin:installation/dependencies.config")) {
if ($dependencies = json_decode(file_get_contents($dependencies))) {
foreach ($dependencies as $dependency) {
$required = $dependency->version;
$manifest = $this->app->path->path('root:'.$dependency->manifest);
if ($required && is_file($manifest) && is_readable($manifest)) {
if ($xml = simplexml_load_file($manifest)) {
if (version_compare($required, (string) $xml->version) > 0) {
$name = isset($dependency->url) ? "<a href=\"{$dependency->url}\">{$xml->name}</a>" : (string) $xml->name;
$this->app->error->raiseNotice(0, sprintf("The %s extension requires an update for the Zoo to run correctly.", $name));
}
}
}
}
}
}
}
}