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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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* Set tracking option for the forum.
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*
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* @package mod_forum
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* @copyright 2005 mchurch
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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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require_once("../../config.php");
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require_once("lib.php");
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$id = required_param('id',PARAM_INT); // The forum to subscribe or unsubscribe to
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$returnpage = optional_param('returnpage', 'index.php', PARAM_FILE); // Page to return to.
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require_sesskey();
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if (! $forum = $DB->get_record("forum", array("id" => $id))) {
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throw new \moodle_exception('invalidforumid', 'forum');
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}
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if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
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throw new \moodle_exception('invalidcoursemodule');
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}
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if (! $cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
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throw new \moodle_exception('invalidcoursemodule');
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}
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require_login($course, false, $cm);
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$returnpageurl = new moodle_url('/mod/forum/' . $returnpage, array('id' => $course->id, 'f' => $forum->id));
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$returnto = forum_go_back_to($returnpageurl);
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if (!forum_tp_can_track_forums($forum)) {
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redirect($returnto);
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}
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$info = new stdClass();
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$info->name = fullname($USER);
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$info->forum = format_string($forum->name);
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$eventparams = array(
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'context' => context_module::instance($cm->id),
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'relateduserid' => $USER->id,
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'other' => array('forumid' => $forum->id),
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);
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if (forum_tp_is_tracked($forum) ) {
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if (forum_tp_stop_tracking($forum->id)) {
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$event = \mod_forum\event\readtracking_disabled::create($eventparams);
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$event->trigger();
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redirect($returnto, get_string("nownottracking", "forum", $info), 1);
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} else {
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throw new \moodle_exception('cannottrack', '', get_local_referer(false));
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}
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} else { // subscribe
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if (forum_tp_start_tracking($forum->id)) {
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$event = \mod_forum\event\readtracking_enabled::create($eventparams);
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$event->trigger();
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redirect($returnto, get_string("nowtracking", "forum", $info), 1);
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} else {
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throw new \moodle_exception('cannottrack', '', get_local_referer(false));
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}
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}
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