71 lines
1.7 KiB
PHP
71 lines
1.7 KiB
PHP
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<?php
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/**
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* @author Robin McCorkell <rmccorkell@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_External\Lib;
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use \OCA\Files_External\Lib\MissingDependency;
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/**
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* Polyfill for checking dependencies using legacy Storage::checkDependencies()
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*/
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trait LegacyDependencyCheckPolyfill {
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/**
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* @return string
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*/
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abstract public function getStorageClass();
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/**
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* Check if object is valid for use
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*
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* @return MissingDependency[] Unsatisfied dependencies
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*/
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public function checkDependencies() {
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$ret = [];
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$result = call_user_func([$this->getStorageClass(), 'checkDependencies']);
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if ($result !== true) {
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if (!is_array($result)) {
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$result = [$result];
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}
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foreach ($result as $key => $value) {
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if (!($value instanceof MissingDependency)) {
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$module = null;
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$message = null;
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if (is_numeric($key)) {
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$module = $value;
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} else {
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$module = $key;
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$message = $value;
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}
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$value = new MissingDependency($module, $this);
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$value->setMessage($message);
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}
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$ret[] = $value;
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}
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}
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return $ret;
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}
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}
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