1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * Used by ajax calls to toggle the flagged state of a question in an attempt.
19 *
20 * @package    moodlecore
21 * @subpackage questionengine
22 * @copyright  2009 The Open University
23 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26
27define('AJAX_SCRIPT', true);
28
29require_once('../config.php');
30require_once($CFG->dirroot . '/question/engine/lib.php');
31
32// Parameters
33$qaid = required_param('qaid', PARAM_INT);
34$qubaid = required_param('qubaid', PARAM_INT);
35$questionid = required_param('qid', PARAM_INT);
36$slot = required_param('slot', PARAM_INT);
37$newstate = required_param('newstate', PARAM_BOOL);
38$checksum = required_param('checksum', PARAM_ALPHANUM);
39
40// Check user is logged in.
41require_login();
42require_sesskey();
43
44// Check that the requested session really exists
45question_flags::update_flag($qubaid, $questionid, $qaid, $slot, $checksum, $newstate);
46
47echo 'OK';
48