3 // This file is part of Moodle - http://moodle.org/
5 // Moodle is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // Moodle is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
19 * Handling all ajax request for comments API
21 define('AJAX_SCRIPT', true);
23 require_once('../config.php');
24 require_once($CFG->dirroot . '/comment/lib.php');
26 $contextid = optional_param('contextid', SYSCONTEXTID, PARAM_INT);
27 list($context, $course, $cm) = get_context_info_array($contextid);
29 $PAGE->set_context($context);
30 $PAGE->set_url('/comment/comment_ajax.php');
32 $action = optional_param('action', '', PARAM_ALPHA);
34 // XXX: display comments in frontpage without login
35 if ($context->id != get_context_instance(CONTEXT_COURSE, SITEID)->id
37 or $action == 'delete') {
38 require_login($course, true, $cm);
42 $area = optional_param('area', '', PARAM_ALPHAEXT);
43 $client_id = optional_param('client_id', '', PARAM_RAW);
44 $commentid = optional_param('commentid', -1, PARAM_INT);
45 $content = optional_param('content', '', PARAM_RAW);
46 $itemid = optional_param('itemid', '', PARAM_INT);
47 $page = optional_param('page', 0, PARAM_INT);
48 $component = optional_param('component', '', PARAM_ALPHAEXT);
50 echo $OUTPUT->header(); // send headers
52 // initilising comment object
53 if (!empty($client_id)) {
55 $args->context = $context;
56 $args->course = $course;
59 $args->itemid = $itemid;
60 $args->client_id = $client_id;
61 $args->component = $component;
62 $manager = new comment($args);
67 // process ajax request
70 $result = $manager->add($content);
71 if (!empty($result) && is_object($result)) {
72 $result->count = $manager->count();
73 $result->client_id = $client_id;
74 echo json_encode($result);
78 $result = $manager->delete($commentid);
79 if ($result === true) {
80 echo json_encode(array('client_id'=>$client_id, 'commentid'=>$commentid));
86 $comments = $manager->get_comments($page);
87 $result['list'] = $comments;
88 $result['count'] = $manager->count();
89 $result['pagination'] = $manager->get_pagination($page);
90 $result['client_id'] = $client_id;
91 echo json_encode($result);