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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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           /**
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            * Display details of an issued badge with criteria and evidence
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            *
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            * @package    core
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            * @subpackage badges
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            * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
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            * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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            * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
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            */
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           require_once(__DIR__ . '/../config.php');
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           require_once($CFG->libdir . '/badgeslib.php');
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           require_once($CFG->libdir . '/filelib.php');
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           $id = required_param('hash', PARAM_ALPHANUM);
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           $bake = optional_param('bake', 0, PARAM_BOOL);
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           $PAGE->set_context(context_system::instance());
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           $output = $PAGE->get_renderer('core', 'badges');
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           $PAGE->set_url('/badges/badge.php', array('hash' => $id));
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           $PAGE->set_pagelayout('base');
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           $PAGE->set_title(get_string('issuedbadge', 'badges'));
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           $badge = new \core_badges\output\issued_badge($id);
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           if (!empty($badge->recipient->id)) {
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               if ($bake && ($badge->recipient->id == $USER->id)) {
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                   $name = str_replace(' ', '_', $badge->badgeclass['name']) . '.png';
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                   $name = clean_param($name, PARAM_FILE);
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                   $filehash = badges_bake($id, $badge->badgeid, $USER->id, true);
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                   $fs = get_file_storage();
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                   $file = $fs->get_file_by_hash($filehash);
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                   send_stored_file($file, 0, 0, true, array('filename' => $name));
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               }
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               if (isloggedin()) {
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                   $PAGE->set_heading($badge->badgeclass['name']);
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                   $PAGE->navbar->add($badge->badgeclass['name']);
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                   if ($badge->recipient->id == $USER->id) {
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                       $url = new moodle_url('/badges/mybadges.php');
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                   } else {
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                       $url = new moodle_url($CFG->wwwroot);
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                   }
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                   navigation_node::override_active_url($url);
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               } else {
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                   $PAGE->set_heading($badge->badgeclass['name']);
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                   $PAGE->navbar->add($badge->badgeclass['name']);
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                   $url = new moodle_url($CFG->wwwroot);
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                   navigation_node::override_active_url($url);
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               }
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               echo $OUTPUT->header();
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               echo $output->render($badge);
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           } else {
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               echo $OUTPUT->header();
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               echo $OUTPUT->container($OUTPUT->error_text(get_string('error:badgeawardnotfound', 'badges')) .
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                                       html_writer::tag('p', $OUTPUT->close_window_button()), 'important', 'notice');
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           }
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           // Trigger event, badge viewed.
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           $other = array('badgeid' => $badge->badgeid, 'badgehash' => $id);
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           $eventparams = array('context' => $PAGE->context, 'other' => $other);
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           // If the badge does not belong to this user, log it appropriately.
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           if (($badge->recipient->id != $USER->id)) {
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               $eventparams['relateduserid'] = $badge->recipient->id;
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           }
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           $event = \core\event\badge_viewed::create($eventparams);
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           $event->trigger();
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           echo $OUTPUT->footer();
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