"MDL-23917, automatically start comments block"
[moodle.git] / comment / comment_ajax.php
CommitLineData
1bcb7eb5 1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
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.
9//
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.
14//
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/>.
17
18/*
19 * Handling all ajax request for comments API
20 */
2696b976
PS
21define('AJAX_SCRIPT', true);
22
1bcb7eb5 23require_once('../config.php');
36051c9e 24require_once($CFG->dirroot . '/comment/lib.php');
1bcb7eb5 25
1bcb7eb5 26$contextid = optional_param('contextid', SYSCONTEXTID, PARAM_INT);
57588523 27list($context, $course, $cm) = get_context_info_array($contextid);
1bcb7eb5 28
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DC
29$PAGE->set_context($context);
30$PAGE->set_url('/comment/comment_ajax.php');
31
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32$action = optional_param('action', '', PARAM_ALPHA);
33
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DC
34// XXX: display comments in frontpage without login
35if ($context->id != get_context_instance(CONTEXT_COURSE, SITEID)->id
36 or $action == 'add'
37 or $action == 'delete') {
38 require_login($course, true, $cm);
39}
2696b976 40require_sesskey();
1bcb7eb5 41
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DC
42$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);
1bcb7eb5 48
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PS
49echo $OUTPUT->header(); // send headers
50
467c85d7 51// initilising comment object
1bcb7eb5 52if (!empty($client_id)) {
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DC
53 $args = new stdclass;
54 $args->context = $context;
55 $args->course = $course;
56 $args->cm = $cm;
57 $args->area = $area;
58 $args->itemid = $itemid;
59 $args->client_id = $client_id;
60 $manager = new comment($args);
866354a9
DC
61} else {
62 die;
1bcb7eb5 63}
866354a9 64
467c85d7 65// process ajax request
1bcb7eb5 66switch ($action) {
2696b976 67 case 'add':
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DC
68 $result = $manager->add($content);
69 if (!empty($result) && is_object($result)) {
70 $result->count = $manager->count();
71 $result->client_id = $client_id;
72 echo json_encode($result);
15894c65 73 }
2696b976
PS
74 break;
75 case 'delete':
467c85d7 76 $result = $manager->delete($commentid);
15894c65 77 if ($result === true) {
78 echo json_encode(array('client_id'=>$client_id, 'commentid'=>$commentid));
79 }
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80 break;
81 case 'get':
82 default:
467c85d7
DC
83 $result = array();
84 $comments = $manager->get_comments($page);
85 $result['list'] = $comments;
86 $result['count'] = $manager->count();
87 $result['pagination'] = $manager->get_pagination($page);
88 $result['client_id'] = $client_id;
89 echo json_encode($result);
1bcb7eb5 90}