2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
18 * This file contains the moodle hooks for the submission comments plugin
20 * @package assignsubmission_comments
21 * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 defined('MOODLE_INTERNAL') || die();
28 * Callback method for data validation---- required method for AJAXmoodle based comment API
30 * @param stdClass $options
33 function assignsubmission_comments_comment_validate(stdClass $options) {
34 global $USER, $CFG, $DB;
36 if ($options->commentarea != 'submission_comments' &&
37 $options->commentarea != 'submission_comments_upgrade') {
38 throw new comment_exception('invalidcommentarea');
40 if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {
41 throw new comment_exception('invalidcommentitemid');
43 $context = $options->context;
45 require_once($CFG->dirroot . '/mod/assign/locallib.php');
46 $assignment = new assign($context, null, null);
48 if ($assignment->get_instance()->id != $submission->assignment) {
49 throw new comment_exception('invalidcontext');
51 if (!has_capability('mod/assign:grade', $context)) {
52 if (!has_capability('mod/assign:submit', $context)) {
53 throw new comment_exception('nopermissiontocomment');
54 } else if ($assignment->get_instance()->teamsubmission) {
55 $group = $assignment->get_submission_group($USER->id);
58 $groupid = $group->id;
60 if ($groupid != $submission->groupid) {
61 throw new comment_exception('nopermissiontocomment');
63 } else if ($submission->userid != $USER->id) {
64 throw new comment_exception('nopermissiontocomment');
72 * Permission control method for submission plugin ---- required method for AJAXmoodle based comment API
74 * @param stdClass $options
77 function assignsubmission_comments_comment_permissions(stdClass $options) {
78 global $USER, $CFG, $DB;
80 if ($options->commentarea != 'submission_comments' &&
81 $options->commentarea != 'submission_comments_upgrade') {
82 throw new comment_exception('invalidcommentarea');
84 if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {
85 throw new comment_exception('invalidcommentitemid');
87 $context = $options->context;
89 require_once($CFG->dirroot . '/mod/assign/locallib.php');
90 $assignment = new assign($context, null, null);
92 if ($assignment->get_instance()->id != $submission->assignment) {
93 throw new comment_exception('invalidcontext');
96 if ($assignment->get_instance()->teamsubmission &&
97 !$assignment->can_view_group_submission($submission->groupid)) {
98 return array('post' => false, 'view' => false);
101 if (!$assignment->get_instance()->teamsubmission &&
102 !$assignment->can_view_submission($submission->userid)) {
103 return array('post' => false, 'view' => false);
106 return array('post' => true, 'view' => true);
110 * Callback to force the userid for all comments to be the userid of the submission and NOT the global $USER->id. This
111 * is required by the upgrade code. Note the comment area is used to identify upgrades.
113 * @param stdClass $comment
114 * @param stdClass $param
116 function assignsubmission_comments_comment_add(stdClass $comment, stdClass $param) {
119 if ($comment->commentarea == 'submission_comments_upgrade') {
120 $submissionid = $comment->itemid;
121 $submission = $DB->get_record('assign_submission', array('id' => $submissionid));
123 $comment->userid = $submission->userid;
124 $comment->commentarea = 'submission_comments';