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<?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/>.
/**
* Flags/unflags a post (AJAX or non-JS).
* @package mod
* @subpackage forumng
* @copyright 2011 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_once('mod_forumng.php');
// Post ID
$postid = required_param('p', PARAM_INT);
$cloneid = optional_param('clone', mod_forumng::CLONE_DIRECT, PARAM_INT);
// 1 = set flag, 0 = clear it
$flag = required_param('flag', PARAM_INT);
// If the ajax flag is set, this only changes the flag and does not redirect
$ajax = optional_param('ajax', 0, PARAM_INT);
// Optional back parameter
$back = optional_param('back', 'discuss', PARAM_ALPHA);
// Optional time-read parameter (this is used to preserve unread state when
// redirecting back to the discussion
$timeread = optional_param('timeread', 0, PARAM_INT);
try {
// Get post
$post = mod_forumng_post::get_from_id($postid, $cloneid, true, true);
// Do all access security checks
$post->require_view();
if (!$post->can_flag()) {
print_error('error_nopermission', 'forumng');
}
// Change the flag
$post->set_flagged($flag);
// If it's ajax, that's done
if ($ajax) {
print 'ok';
exit;
}
// Redirect
if ($back == 'view') {
redirect($post->get_forum()->get_url(mod_forumng::PARAM_PLAIN));
} else {
redirect('discuss.php?' .
$post->get_discussion()->get_link_params(mod_forumng::PARAM_PLAIN) .
($timeread ? '&timeread=' . $timeread : '') .
'#p' . $post->get_id());
}
} catch (coding_exception $e) {
header('Content-Type: text/plain', true, 500);
print $e->getMessage();
}
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