Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle 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 General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Privacy Subsystem implementation for quiz_responses.

 *

 * @package    quiz_responses

 * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace quiz_responses\privacy;

use core_privacy\local\metadata\collection;

use core_privacy\local\request\writer;

use core_privacy\local\request\transform;

defined('MOODLE_INTERNAL') || die();

global $CFG;

require_once($CFG->dirroot . '/question/engine/questionattempt.php');

/**

 * Privacy Subsystem for quiz_responses with user preferences.

 *

 * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class provider implements

        \core_privacy\local\metadata\provider,

        \core_privacy\local\request\user_preference_provider {

    /**

     * Returns meta data about this system.

     *

     * @param   collection     $collection The initialised collection to add items to.

     * @return  collection     A listing of user data stored through this system.

     */

    public static function get_metadata(collection $collection): collection {

        $collection->add_user_preference('quiz_report_responses_qtext', 'privacy:preference:qtext');

        $collection->add_user_preference('quiz_report_responses_resp', 'privacy:preference:resp');

        $collection->add_user_preference('quiz_report_responses_right', 'privacy:preference:right');

        $collection->add_user_preference('quiz_report_responses_which_tries', 'privacy:preference:which_tries');

        return $collection;

    }

    /**

     * Export all user preferences for the plugin.

     *

     * @param   int         $userid The userid of the user whose data is to be exported.

     */

    public static function export_user_preferences(int $userid) {

        $preferences = [

                'qtext',

                'resp',

                'right',

            ];

        foreach ($preferences as $key) {

            $preference = get_user_preferences("quiz_report_responses_{$key}", null, $userid);

            if (null !== $preference) {

                $desc = get_string("privacy:preference:{$key}", 'quiz_responses');

                writer::export_user_preference('quiz_responses', $key, transform::yesno($preference), $desc);

            }

        }

        $preference = get_user_preferences("quiz_report_responses_which_tries", null, $userid);

        if (null !== $preference) {

            switch($preference) {

                case \question_attempt::FIRST_TRY:

                    $value = get_string("privacy:preference:which_tries:first", 'quiz_responses');

                    break;

                case \question_attempt::LAST_TRY:

                    $value = get_string("privacy:preference:which_tries:last", 'quiz_responses');

                    break;

                case \question_attempt::ALL_TRIES:

                    $value = get_string("privacy:preference:which_tries:all", 'quiz_responses');

                    break;

            }

            $desc = get_string("privacy:preference:which_tries", 'quiz_responses');

            writer::export_user_preference('quiz_responses', 'which_tries', $value, $desc);

        }

    }

}