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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->dirroot . '/repository/googledocs/tests/repository_googledocs_testcase.php');
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/**
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 * Base class for the googledoc repository unit tests related to content browsing and searching.
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 *
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 * @package    repository_googledocs
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 * @copyright  2021 Mihail Geshoski <mihail@moodle.com>
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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abstract class googledocs_content_testcase extends repository_googledocs_testcase {
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    /** @var array The array which contains the disallowed file extensions. */
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    protected $disallowedextensions = [];
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    /**
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     * Method used for filtering repository file nodes based on the current disallowed file extensions list.
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     *
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     * @param array $content The repository content node
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     * @return bool If returns false, the repository content node should be filtered, otherwise do not filter.
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     */
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    public function filter(array $content): bool {
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        // If the disallowed file extensions list is empty, do not filter the content node.
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        if (empty($this->disallowedextensions)) {
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            return true;
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        }
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        foreach ($this->disallowedextensions as $extension) {
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            // If the disallowed file extension matches the extension of the repository file node,
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            // than filter this node.
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            if (preg_match("#.{$extension}#i", $content['title'])) {
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                return false;
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            }
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        }
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        return true;
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    }
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}