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           efrain | 
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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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           namespace core_courseformat\privacy;
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           use core_privacy\local\metadata\collection;
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           /**
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            * Privacy provider implementation for courseformat core subsystem.
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            *
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            * @package    core_courseformat
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            * @copyright  2021 Ferran Recio <ferran@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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           class provider implements
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               // This system has data.
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               \core_privacy\local\metadata\provider,
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               // This system has some sitewide user preferences to export.
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               \core_privacy\local\request\user_preference_provider {
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               /** The user preference for the navigation drawer. */
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               public const SECTION_PREFERENCES_PREFIX = 'coursesectionspreferences';
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               /**
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                * Returns meta data about this system.
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                *
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                * @param collection $collection The initialised collection to add items to.
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                * @return collection A listing of user data stored through this system.
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                */
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               public static function get_metadata(collection $collection): collection {
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                   $collection->add_user_preference(
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                       self::SECTION_PREFERENCES_PREFIX,
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                       'privacy:metadata:preference:' . self::SECTION_PREFERENCES_PREFIX
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                   );
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                   return $collection;
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               }
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               /**
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                * Store all user preferences for this system.
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                *
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                * @param int $userid The userid of the user whose data is to be exported.
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                */
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               public static function export_user_preferences(int $userid) {
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                   // Get user courses.
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                   $courses = enrol_get_all_users_courses($userid);
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                   if (empty($courses)) {
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                       return;
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                   }
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                   foreach ($courses as $course) {
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                       $preferencename = self::SECTION_PREFERENCES_PREFIX . '_' . $course->id;
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                       $preference = get_user_preferences($preferencename, null, $userid);
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                       if (isset($preference)) {
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                           $preferencestring = get_string('preference:' . self::SECTION_PREFERENCES_PREFIX, 'courseformat', $course->fullname);
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                           \core_privacy\local\request\writer::export_user_preference(
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                               'core_courseformat',
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                               $preferencename,
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                               $preference,
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                               $preferencestring
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                           );
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                       }
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                   }
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               }
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           }
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