server/lib/private/app/dependencyanalyzer.php
2014-12-04 11:40:33 +01:00

74 lines
2 KiB
PHP

<?php
/**
* @author Thomas Müller
* @copyright 2014 Thomas Müller deepdiver@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\App;
class DependencyAnalyzer {
/**
* @param array $app
* @param Platform $system
* @param \OCP\IL10N $l
*/
function __construct(array $app, $system, $l) {
$this->system = $system;
$this->l = $l;
$this->missing = array();
$this->dependencies = array();
if (array_key_exists('dependencies', $app)) {
$this->dependencies = $app['dependencies'];
}
}
/**
* @param array $app
* @returns array of missing dependencies
*/
public function analyze() {
$this->analysePhpVersion();
$this->analyseSupportedDatabases();
return $this->missing;
}
private function analysePhpVersion() {
if (!array_key_exists('php', $this->dependencies)) {
return;
}
if (array_key_exists('min-version', $this->dependencies['php'])) {
$minVersion = $this->dependencies['php']['min-version'];
if (version_compare($this->system->getPhpVersion(), $minVersion, '<')) {
$this->missing[] = (string)$this->l->t('PHP %s or higher is required.', $minVersion);
}
}
if (array_key_exists('max-version', $this->dependencies['php'])) {
$maxVersion = $this->dependencies['php']['max-version'];
if (version_compare($this->system->getPhpVersion(), $maxVersion, '>')) {
$this->missing[] = (string)$this->l->t('PHP with a version less then %s is required.', $maxVersion);
}
}
}
private function analyseSupportedDatabases() {
if (!array_key_exists('database', $this->dependencies)) {
return;
}
$supportedDatabases = $this->dependencies['database'];
if (empty($supportedDatabases)) {
return;
}
$currentDatabase = $this->system->getDatabase();
if (!in_array($currentDatabase, $supportedDatabases)) {
$this->missing[] = (string)$this->l->t('Following databases are supported: %s', join(', ', $supportedDatabases));
}
}
}