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post.php
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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/>.
/**
* Edit and save a new post to a discussion
*
* @package mod_forum
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/completionlib.php');
$reply = optional_param('reply', 0, PARAM_INT);
$forum = optional_param('forum', 0, PARAM_INT);
$edit = optional_param('edit', 0, PARAM_INT);
$delete = optional_param('delete', 0, PARAM_INT);
$prune = optional_param('prune', 0, PARAM_INT);
$name = optional_param('name', '', PARAM_CLEAN);
$confirm = optional_param('confirm', 0, PARAM_INT);
$groupid = optional_param('groupid', null, PARAM_INT);
$subject = optional_param('subject', '', PARAM_TEXT);
// Values posted via the inpage reply form.
$prefilledpost = optional_param('post', '', PARAM_TEXT);
$prefilledpostformat = optional_param('postformat', FORMAT_MOODLE, PARAM_INT);
$prefilledprivatereply = optional_param('privatereply', false, PARAM_BOOL);
$PAGE->set_url('/mod/forum/post.php', array(
'reply' => $reply,
'forum' => $forum,
'edit' => $edit,
'delete' => $delete,
'prune' => $prune,
'name' => $name,
'confirm' => $confirm,
'groupid' => $groupid,
));
// These page_params will be passed as hidden variables later in the form.
$pageparams = array('reply' => $reply, 'forum' => $forum, 'edit' => $edit);
$sitecontext = context_system::instance();
$entityfactory = mod_forum\local\container::get_entity_factory();
$vaultfactory = mod_forum\local\container::get_vault_factory();
$managerfactory = mod_forum\local\container::get_manager_factory();
$legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
$urlfactory = mod_forum\local\container::get_url_factory();
$forumvault = $vaultfactory->get_forum_vault();
$forumdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
$discussionvault = $vaultfactory->get_discussion_vault();
$discussiondatamapper = $legacydatamapperfactory->get_discussion_data_mapper();
$postvault = $vaultfactory->get_post_vault();
$postdatamapper = $legacydatamapperfactory->get_post_data_mapper();
if (!isloggedin() or isguestuser()) {
if (!isloggedin() and !get_local_referer()) {
// No referer+not logged in - probably coming in via email See MDL-9052.
require_login();
}
if (!empty($forum)) {
// User is starting a new discussion in a forum.
$forumentity = $forumvault->get_from_id($forum);
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
} else if (!empty($reply)) {
// User is writing a new reply.
$forumentity = $forumvault->get_from_post_id($reply);
if (empty($forumentity)) {
print_error('invalidparentpostid', 'forum');
}
}
$forum = $forumdatamapper->to_legacy_object($forumentity);
$modcontext = $forumentity->get_context();
$course = $forumentity->get_course_record();
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error("invalidcoursemodule");
}
$PAGE->set_cm($cm, $course, $forum);
$PAGE->set_context($modcontext);
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
$referer = get_local_referer(false);
echo $OUTPUT->header();
echo $OUTPUT->confirm(get_string('noguestpost', 'forum').'<br /><br />'.get_string('liketologin'), get_login_url(), $referer);
echo $OUTPUT->footer();
exit;
}
require_login(0, false); // Script is useless unless they're logged in.
$canreplyprivately = false;
if (!empty($forum)) {
// User is starting a new discussion in a forum.
$forumentity = $forumvault->get_from_id($forum);
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
$capabilitymanager = $managerfactory->get_capability_manager($forumentity);
$forum = $forumdatamapper->to_legacy_object($forumentity);
$course = $forumentity->get_course_record();
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error("invalidcoursemodule");
}
// Retrieve the contexts.
$modcontext = $forumentity->get_context();
$coursecontext = context_course::instance($course->id);
if ($forumentity->is_in_group_mode() && null === $groupid) {
$groupid = groups_get_activity_group($cm);
}
if (!$capabilitymanager->can_create_discussions($USER, $groupid)) {
if (!isguestuser()) {
if (!is_enrolled($coursecontext)) {
if (enrol_selfenrol_available($course->id)) {
$SESSION->wantsurl = qualified_me();
$SESSION->enrolcancel = get_local_referer(false);
redirect(new moodle_url('/enrol/index.php', array('id' => $course->id,
'returnurl' => '/mod/forum/view.php?f=' . $forum->id)),
get_string('youneedtoenrol'));
}
}
}
print_error('nopostforum', 'forum');
}
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) {
redirect(
$urlfactory->get_course_url_from_forum($forumentity),
get_string('activityiscurrentlyhidden'),
null,
\core\output\notice::NOTIFY_ERROR
);
}
$SESSION->fromurl = get_local_referer(false);
// Load up the $post variable.
$post = new stdClass();
$post->course = $course->id;
$post->forum = $forum->id;
$post->discussion = 0; // Ie discussion # not defined yet.
$post->parent = 0;
$post->subject = $subject;
$post->userid = $USER->id;
$post->message = $prefilledpost;
$post->messageformat = editors_get_preferred_format();
$post->messagetrust = 0;
$post->groupid = $groupid;
// Unsetting this will allow the correct return URL to be calculated later.
unset($SESSION->fromdiscussion);
} else if (!empty($reply)) {
// User is writing a new reply.
$parententity = $postvault->get_from_id($reply);
if (empty($parententity)) {
print_error('invalidparentpostid', 'forum');
}
$discussionentity = $discussionvault->get_from_id($parententity->get_discussion_id());
if (empty($discussionentity)) {
print_error('notpartofdiscussion', 'forum');
}
$forumentity = $forumvault->get_from_id($discussionentity->get_forum_id());
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
$capabilitymanager = $managerfactory->get_capability_manager($forumentity);
$parent = $postdatamapper->to_legacy_object($parententity);
$discussion = $discussiondatamapper->to_legacy_object($discussionentity);
$forum = $forumdatamapper->to_legacy_object($forumentity);
$course = $forumentity->get_course_record();
$modcontext = $forumentity->get_context();
$coursecontext = context_course::instance($course->id);
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
}
// Ensure lang, theme, etc. is set up properly. MDL-6926.
$PAGE->set_cm($cm, $course, $forum);
if (!$capabilitymanager->can_reply_to_post($USER, $discussionentity, $parententity)) {
if (!isguestuser()) {
if (!is_enrolled($coursecontext)) { // User is a guest here!
$SESSION->wantsurl = qualified_me();
$SESSION->enrolcancel = get_local_referer(false);
redirect(new moodle_url('/enrol/index.php', array('id' => $course->id,
'returnurl' => '/mod/forum/view.php?f=' . $forum->id)),
get_string('youneedtoenrol'));
}
// The forum has been locked. Just redirect back to the discussion page.
if (forum_discussion_is_locked($forum, $discussion)) {
redirect(new moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id)));
}
}
print_error('nopostforum', 'forum');
}
// Make sure user can post here.
if (isset($cm->groupmode) && empty($course->groupmodeforce)) {
$groupmode = $cm->groupmode;
} else {
$groupmode = $course->groupmode;
}
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) {
if ($discussion->groupid == -1) {
print_error('nopostforum', 'forum');
} else {
if (!groups_is_member($discussion->groupid)) {
print_error('nopostforum', 'forum');
}
}
}
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) {
print_error("activityiscurrentlyhidden");
}
if ($parententity->is_private_reply()) {
print_error('cannotreplytoprivatereply', 'forum');
}
// We always are going to honor the preferred format. We are creating a new post.
$preferredformat = editors_get_preferred_format();
// Only if there are prefilled contents coming.
if (!empty($prefilledpost)) {
// If the prefilled post is not HTML and the preferred format is HTML, convert to it.
if ($prefilledpostformat != FORMAT_HTML and $preferredformat == FORMAT_HTML) {
$prefilledpost = format_text($prefilledpost, $prefilledpostformat, ['context' => $modcontext]);
}
}
// Load up the $post variable.
$post = new stdClass();
$post->course = $course->id;
$post->forum = $forum->id;
$post->discussion = $parent->discussion;
$post->parent = $parent->id;
$post->subject = $subject ? $subject : $parent->subject;
$post->userid = $USER->id;
$post->parentpostauthor = $parent->userid;
$post->message = $prefilledpost;
$post->messageformat = $preferredformat;
$post->isprivatereply = $prefilledprivatereply;
$canreplyprivately = $capabilitymanager->can_reply_privately_to_post($USER, $parententity);
$post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid;
$strre = get_string('re', 'forum');
if (!(substr($post->subject, 0, strlen($strre)) == $strre)) {
$post->subject = $strre.' '.$post->subject;
}
// Unsetting this will allow the correct return URL to be calculated later.
unset($SESSION->fromdiscussion);
} else if (!empty($edit)) {
// User is editing their own post.
$postentity = $postvault->get_from_id($edit);
if (empty($postentity)) {
print_error('invalidpostid', 'forum');
}
if ($postentity->has_parent()) {
$parententity = $postvault->get_from_id($postentity->get_parent_id());
$parent = $postdatamapper->to_legacy_object($parententity);
}
$discussionentity = $discussionvault->get_from_id($postentity->get_discussion_id());
if (empty($discussionentity)) {
print_error('notpartofdiscussion', 'forum');
}
$forumentity = $forumvault->get_from_id($discussionentity->get_forum_id());
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
$capabilitymanager = $managerfactory->get_capability_manager($forumentity);
$post = $postdatamapper->to_legacy_object($postentity);
$discussion = $discussiondatamapper->to_legacy_object($discussionentity);
$forum = $forumdatamapper->to_legacy_object($forumentity);
$course = $forumentity->get_course_record();
$modcontext = $forumentity->get_context();
$coursecontext = context_course::instance($course->id);
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
}
$PAGE->set_cm($cm, $course, $forum);
if (!($forum->type == 'news' && !$post->parent && $discussion->timestart > time())) {
if (((time() - $post->created) > $CFG->maxeditingtime) and
!has_capability('mod/forum:editanypost', $modcontext)) {
print_error('maxtimehaspassed', 'forum', '', format_time($CFG->maxeditingtime));
}
}
if (($post->userid <> $USER->id) and
!has_capability('mod/forum:editanypost', $modcontext)) {
print_error('cannoteditposts', 'forum');
}
// Load up the $post variable.
$post->edit = $edit;
$post->course = $course->id;
$post->forum = $forum->id;
$post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid;
if ($postentity->has_parent()) {
$canreplyprivately = forum_user_can_reply_privately($modcontext, $parent);
}
$post = trusttext_pre_edit($post, 'message', $modcontext);
// Unsetting this will allow the correct return URL to be calculated later.
unset($SESSION->fromdiscussion);
} else if (!empty($delete)) {
// User is deleting a post.
$postentity = $postvault->get_from_id($delete);
if (empty($postentity)) {
print_error('invalidpostid', 'forum');
}
$discussionentity = $discussionvault->get_from_id($postentity->get_discussion_id());
if (empty($discussionentity)) {
print_error('notpartofdiscussion', 'forum');
}
$forumentity = $forumvault->get_from_id($discussionentity->get_forum_id());
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
$capabilitymanager = $managerfactory->get_capability_manager($forumentity);
$post = $postdatamapper->to_legacy_object($postentity);
$discussion = $discussiondatamapper->to_legacy_object($discussionentity);
$forum = $forumdatamapper->to_legacy_object($forumentity);
$course = $forumentity->get_course_record();
$modcontext = $forumentity->get_context();
$coursecontext = context_course::instance($course->id);
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
}
require_login($course, false, $cm);
if (!$capabilitymanager->can_delete_post($USER, $discussionentity, $postentity)) {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('cannotdeletepost', 'forum'),
null,
\core\output\notice::NOTIFY_ERROR
);
}
$replycount = $postvault->get_reply_count_for_post_id_in_discussion_id(
$USER, $postentity->get_id(), $discussionentity->get_id(), true);
if (!empty($confirm) && confirm_sesskey()) {
// User has confirmed the delete.
// Check user capability to delete post.
$timepassed = time() - $post->created;
if ($post->totalscore) {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('couldnotdeleteratings', 'rating'),
null,
\core\output\notice::NOTIFY_ERROR
);
} else if ($replycount && !has_capability('mod/forum:deleteanypost', $modcontext)) {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('couldnotdeletereplies', 'rating'),
null,
\core\output\notice::NOTIFY_ERROR
);
} else {
if (!$postentity->has_parent()) {
// Post is a discussion topic as well, so delete discussion.
if ($forum->type == 'single') {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('cannotdeletediscussioninsinglediscussion', 'rating'),
null,
\core\output\notice::NOTIFY_ERROR
);
}
forum_delete_discussion($discussion, false, $course, $cm, $forum);
$params = array(
'objectid' => $discussion->id,
'context' => $modcontext,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_forum\event\discussion_deleted::create($params);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
redirect(
$urlfactory->get_forum_view_url_from_forum($forumentity),
get_string('eventdiscussiondeleted', 'forum'),
null,
\core\output\notification::NOTIFY_SUCCESS
);
} else {
$deleted = forum_delete_post($post, has_capability('mod/forum:deleteanypost', $modcontext), $course, $cm, $forum);
if (!$deleted) {
redirect(
$urlfactory->get_discussion_view_url_from_post($postentity),
get_string('errorwhiledelete', 'forum'),
null,
\core\output\notice::NOTIFY_ERROR
);
}
if ($forum->type == 'single') {
// Single discussion forums are an exception.
// We show the forum itself since it only has one discussion thread.
$discussionurl = $urlfactory->get_forum_view_url_from_forum($forumentity);
} else {
$discussionurl = $urlfactory->get_discussion_view_url_from_discussion($discussionentity);
}
redirect(
forum_go_back_to($discussionurl),
get_string('eventpostdeleted', 'forum'),
null,
\core\output\notification::NOTIFY_SUCCESS
);
}
}
} else {
// User just asked to delete something.
forum_set_return();
$PAGE->navbar->add(get_string('delete', 'forum'));
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
if ($replycount) {
if (!has_capability('mod/forum:deleteanypost', $modcontext)) {
redirect(
forum_go_back_to($urlfactory->get_view_post_url_from_post($postentity)),
get_string('couldnotdeletereplies', 'rating'),
null,
\core\output\notice::NOTIFY_ERROR
);
}
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
echo $OUTPUT->confirm(get_string("deletesureplural", "forum", $replycount + 1),
"post.php?delete=$delete&confirm=$delete",
$CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id);
$postentities = [$postentity];
if (empty($post->edit)) {
$postvault = $vaultfactory->get_post_vault();
$replies = $postvault->get_replies_to_post(
$USER,
$postentity,
// Note: All replies are fetched here as the user has deleteanypost.
true,
'created ASC'
);
$postentities = array_merge($postentities, $replies);
}
$rendererfactory = mod_forum\local\container::get_renderer_factory();
$postsrenderer = $rendererfactory->get_single_discussion_posts_renderer(FORUM_MODE_NESTED, true);
echo $postsrenderer->render($USER, [$forumentity], [$discussionentity], $postentities);
} else {
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
echo $OUTPUT->confirm(get_string("deletesure", "forum", $replycount),
"post.php?delete=$delete&confirm=$delete",
$CFG->wwwroot.'/mod/forum/discuss.php?d='.$post->discussion.'#p'.$post->id);
$rendererfactory = mod_forum\local\container::get_renderer_factory();
$postsrenderer = $rendererfactory->get_single_discussion_posts_renderer(null, true);
echo $postsrenderer->render($USER, [$forumentity], [$discussionentity], [$postentity]);
}
}
echo $OUTPUT->footer();
die;
} else if (!empty($prune)) {
// Pruning.
$postentity = $postvault->get_from_id($prune);
if (empty($postentity)) {
print_error('invalidpostid', 'forum');
}
$discussionentity = $discussionvault->get_from_id($postentity->get_discussion_id());
if (empty($discussionentity)) {
print_error('notpartofdiscussion', 'forum');
}
$forumentity = $forumvault->get_from_id($discussionentity->get_forum_id());
if (empty($forumentity)) {
print_error('invalidforumid', 'forum');
}
$capabilitymanager = $managerfactory->get_capability_manager($forumentity);
$post = $postdatamapper->to_legacy_object($postentity);
$discussion = $discussiondatamapper->to_legacy_object($discussionentity);
$forum = $forumdatamapper->to_legacy_object($forumentity);
$course = $forumentity->get_course_record();
$modcontext = $forumentity->get_context();
$coursecontext = context_course::instance($course->id);
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
}
if (!$postentity->has_parent()) {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('alreadyfirstpost', 'forum'),
null,
\core\output\notification::NOTIFY_ERROR
);
}
if (!$capabilitymanager->can_split_post($USER, $discussionentity, $postentity)) {
redirect(
$urlfactory->get_discussion_view_url_from_discussion($discussionentity),
get_string('cannotsplit', 'forum'),
null,
\core\output\notification::NOTIFY_ERROR
);
}
$PAGE->set_cm($cm);
$PAGE->set_context($modcontext);
$prunemform = new mod_forum_prune_form(null, array('prune' => $prune, 'confirm' => $prune));
if ($prunemform->is_cancelled()) {
redirect(forum_go_back_to($urlfactory->get_discussion_view_url_from_discussion($discussionentity)));
} else if ($fromform = $prunemform->get_data()) {
// User submits the data.
$newdiscussion = new stdClass();
$newdiscussion->course = $discussion->course;
$newdiscussion->forum = $discussion->forum;
$newdiscussion->name = $name;
$newdiscussion->firstpost = $post->id;
$newdiscussion->userid = $discussion->userid;
$newdiscussion->groupid = $discussion->groupid;
$newdiscussion->assessed = $discussion->assessed;
$newdiscussion->usermodified = $post->userid;
$newdiscussion->timestart = $discussion->timestart;
$newdiscussion->timeend = $discussion->timeend;
$newid = $DB->insert_record('forum_discussions', $newdiscussion);
$newpost = new stdClass();
$newpost->id = $post->id;
$newpost->parent = 0;
$newpost->subject = $name;
$DB->update_record("forum_posts", $newpost);
$postentity = $postvault->get_from_id($postentity->get_id());
forum_change_discussionid($post->id, $newid);
// Update last post in each discussion.
forum_discussion_update_last_post($discussion->id);
forum_discussion_update_last_post($newid);
// Fire events to reflect the split..
$params = array(
'context' => $modcontext,
'objectid' => $discussion->id,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_forum\event\discussion_updated::create($params);
$event->trigger();
$params = array(
'context' => $modcontext,
'objectid' => $newid,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_forum\event\discussion_created::create($params);
$event->trigger();
$params = array(
'context' => $modcontext,
'objectid' => $post->id,
'other' => array(
'discussionid' => $newid,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
$event = \mod_forum\event\post_updated::create($params);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
redirect(
forum_go_back_to($urlfactory->get_discussion_view_url_from_post($postentity)),
get_string('discussionsplit', 'forum'),
null,
\core\output\notification::NOTIFY_SUCCESS
);
} else {
// Display the prune form.
$course = $DB->get_record('course', array('id' => $forum->course));
$subjectstr = format_string($post->subject, true);
$PAGE->navbar->add($subjectstr, new moodle_url('/mod/forum/discuss.php', array('d' => $discussion->id)));
$PAGE->navbar->add(get_string("prune", "forum"));
$PAGE->set_title(format_string($discussion->name).": ".format_string($post->subject));
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
echo $OUTPUT->heading(get_string('pruneheading', 'forum'), 3);
$prunemform->display();
$postentity = $entityfactory->get_post_from_stdclass($post);
$discussionentity = $entityfactory->get_discussion_from_stdclass($discussion);
$forumentity = $entityfactory->get_forum_from_stdclass($forum, $modcontext, $cm, $course);
$rendererfactory = mod_forum\local\container::get_renderer_factory();
$postsrenderer = $rendererfactory->get_single_discussion_posts_renderer(null, true);
echo $postsrenderer->render($USER, [$forumentity], [$discussionentity], [$postentity]);
}
echo $OUTPUT->footer();
die;
} else {
print_error('unknowaction');
}
// From now on user must be logged on properly.
require_login($course, false, $cm);
if (isguestuser()) {
// Just in case.
print_error('noguest');
}
$thresholdwarning = forum_check_throttling($forum, $cm);
$mformpost = new mod_forum_post_form('post.php', [
'course' => $course,
'cm' => $cm,
'coursecontext' => $coursecontext,
'modcontext' => $modcontext,
'forum' => $forum,
'post' => $post,
'subscribe' => \mod_forum\subscriptions::is_subscribed($USER->id, $forum, null, $cm),
'thresholdwarning' => $thresholdwarning,
'edit' => $edit,
'canreplyprivately' => $canreplyprivately,
], 'post', '', array('id' => 'mformforum'));
$draftitemid = file_get_submitted_draft_itemid('attachments');
$postid = empty($post->id) ? null : $post->id;
$attachoptions = mod_forum_post_form::attachment_options($forum);
file_prepare_draft_area($draftitemid, $modcontext->id, 'mod_forum', 'attachment', $postid, $attachoptions);
// Load data into form NOW!
if ($USER->id != $post->userid) { // Not the original author, so add a message to the end.
$data = new stdClass();
$data->date = userdate($post->created);
if ($post->messageformat == FORMAT_HTML) {
$data->name = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$USER->id.'&course='.$post->course.'">'.
fullname($USER).'</a>';
$post->message .= '<p><span class="edited">('.get_string('editedby', 'forum', $data).')</span></p>';
} else {
$data->name = fullname($USER);
$post->message .= "\n\n(".get_string('editedby', 'forum', $data).')';
}
unset($data);
}
$formheading = '';
if (!empty($parent)) {
$heading = get_string("yourreply", "forum");
$formheading = get_string('reply', 'forum');
} else {
if ($forum->type == 'qanda') {
$heading = get_string('yournewquestion', 'forum');
} else {
$heading = get_string('yournewtopic', 'forum');
}
}
$postid = empty($post->id) ? null : $post->id;
$draftideditor = file_get_submitted_draft_itemid('message');
$editoropts = mod_forum_post_form::editor_options($modcontext, $postid);
$currenttext = file_prepare_draft_area($draftideditor, $modcontext->id, 'mod_forum', 'post', $postid, $editoropts, $post->message);
$discussionid = isset($discussion) ? $discussion->id : null;
$discussionsubscribe = \mod_forum\subscriptions::get_user_default_subscription($forum, $coursecontext, $cm, $discussionid);
$mformpost->set_data(
array(
'attachments' => $draftitemid,
'general' => $heading,
'subject' => $post->subject,
'message' => array(
'text' => $currenttext,
'format' => !isset($post->messageformat) || !is_numeric($post->messageformat) ?
editors_get_preferred_format() : $post->messageformat,
'itemid' => $draftideditor
),
'discussionsubscribe' => $discussionsubscribe,
'mailnow' => !empty($post->mailnow),
'userid' => $post->userid,
'parent' => $post->parent,
'discussion' => $post->discussion,
'course' => $course->id,
'isprivatereply' => $post->isprivatereply ?? false
) +
$pageparams +
(isset($post->format) ? array('format' => $post->format) : array()) +
(isset($discussion->timestart) ? array('timestart' => $discussion->timestart) : array()) +
(isset($discussion->timeend) ? array('timeend' => $discussion->timeend) : array()) +
(isset($discussion->pinned) ? array('pinned' => $discussion->pinned) : array()) +
(isset($post->groupid) ? array('groupid' => $post->groupid) : array()) +
(isset($discussion->id) ? array('discussion' => $discussion->id) : array())
);
// If we are being redirected via a no_submit_button press OR if the message is being prefilled.
// then set the initial 'dirty' state.
// - A prefilled post will exist when being redirected from the inpage reply form.
// - A no_submit_button press occurs when being redirected from the inpage add new discussion post form.
$dirty = $prefilledpost ? true : false;
if ($mformpost->no_submit_button_pressed()) {
$data = $mformpost->get_submitted_data();
// If a no submit button has been pressed but the default values haven't been then reset the form change.
if (!$dirty && isset($data->message['text']) && !empty(trim($data->message['text']))) {
$dirty = true;
}
if (!$dirty && isset($data->message['message']) && !empty(trim($data->message['message']))) {
$dirty = true;
}
}
$mformpost->set_initial_dirty_state($dirty);
if ($mformpost->is_cancelled()) {
if (!isset($discussion->id) || $forum->type === 'single') {
// Single forums don't have a discussion page.
redirect($urlfactory->get_forum_view_url_from_forum($forumentity));
} else {
redirect($urlfactory->get_discussion_view_url_from_discussion($discussionentity));
}
} else if ($mformpost->is_submitted() && !$mformpost->no_submit_button_pressed() && $fromform = $mformpost->get_data()) {
if (empty($SESSION->fromurl)) {
$errordestination = $urlfactory->get_forum_view_url_from_forum($forumentity);
} else {
$errordestination = $SESSION->fromurl;
}
$fromform->itemid = $fromform->message['itemid'];
$fromform->messageformat = $fromform->message['format'];
$fromform->message = $fromform->message['text'];
// WARNING: the $fromform->message array has been overwritten, do not use it anymore!
$fromform->messagetrust = trusttext_trusted($modcontext);
// Clean message text.
$fromform = trusttext_pre_edit($fromform, 'message', $modcontext);
if ($fromform->edit) {
// Updating a post.
unset($fromform->groupid);
$fromform->id = $fromform->edit;
$message = '';
if (!$capabilitymanager->can_edit_post($USER, $discussionentity, $postentity)) {
redirect(
$urlfactory->get_view_post_url_from_post($postentity),
get_string('cannotupdatepost', 'forum'),
null,
\core\output\notification::ERROR
);
}
if (isset($fromform->groupinfo) && $capabilitymanager->can_move_discussions($USER)) {
// If the user has access to all groups and they are changing the group, then update the post.
if (empty($fromform->groupinfo)) {
$fromform->groupinfo = -1;
}
if (!$capabilitymanager->can_create_discussions($USER, $fromform->groupinfo)) {
redirect(
$urlfactory->get_view_post_url_from_post($postentity),
get_string('cannotupdatepost', 'forum'),
null,
\core\output\notification::ERROR
);
}
if ($discussionentity->get_group_id() != $fromform->groupinfo) {
$DB->set_field('forum_discussions', 'groupid', $fromform->groupinfo, array('firstpost' => $fromform->id));
}
}
// When editing first post/discussion.
if (!$postentity->has_parent()) {
if ($capabilitymanager->can_pin_discussions($USER)) {
// Can change pinned if we have capability.
$fromform->pinned = !empty($fromform->pinned) ? FORUM_DISCUSSION_PINNED : FORUM_DISCUSSION_UNPINNED;
} else {
// We don't have the capability to change so keep to previous value.
unset($fromform->pinned);
}
}
$updatepost = $fromform;
$updatepost->forum = $forum->id;
if (!forum_update_post($updatepost, $mformpost)) {
print_error("couldnotupdate", "forum", $errordestination);
}
if ('single' == $forumentity->get_type() && !$postentity->has_parent()) {
// Updating first post of single discussion type -> updating forum intro.
$forum->intro = $updatepost->message;
$forum->timemodified = time();
$DB->update_record("forum", $forum);
}
if ($USER->id === $postentity->get_author_id()) {
$message .= get_string("postupdated", "forum");
} else {
$realuser = \core_user::get_user($postentity->get_author_id());
$message .= get_string("editedpostupdated", "forum", fullname($realuser));
}
$subscribemessage = forum_post_subscription($fromform, $forum, $discussion);
if ('single' == $forumentity->get_type()) {
// Single discussion forums are an exception.
// We show the forum itself since it only has one discussion thread.
$discussionurl = $urlfactory->get_forum_view_url_from_forum($forumentity);
} else {
$discussionurl = $urlfactory->get_view_post_url_from_post($postentity);
}
$params = array(
'context' => $modcontext,
'objectid' => $fromform->id,
'other' => array(
'discussionid' => $discussion->id,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
if ($USER->id !== $postentity->get_author_id()) {
$params['relateduserid'] = $postentity->get_author_id();
}
$event = \mod_forum\event\post_updated::create($params);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
redirect(
forum_go_back_to($discussionurl),
$message . $subscribemessage,
null,
\core\output\notification::NOTIFY_SUCCESS
);
} else if ($fromform->discussion) {
// Adding a new post to an existing discussion
// Before we add this we must check that the user will not exceed the blocking threshold.
forum_check_blocking_threshold($thresholdwarning);
unset($fromform->groupid);
$message = '';
$addpost = $fromform;
$addpost->forum = $forum->id;
if ($fromform->id = forum_add_new_post($addpost, $mformpost)) {
$postentity = $postvault->get_from_id($fromform->id);
$fromform->deleted = 0;
$subscribemessage = forum_post_subscription($fromform, $forum, $discussion);
if (!empty($fromform->mailnow)) {
$message .= get_string("postmailnow", "forum");
} else {
$message .= '<p>'.get_string("postaddedsuccess", "forum") . '</p>';
$message .= '<p>'.get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>';
}
if ($forum->type == 'single') {
// Single discussion forums are an exception.
// We show the forum itself since it only has one discussion thread.
$discussionurl = $urlfactory->get_forum_view_url_from_forum($forumentity);
} else {
$discussionurl = $urlfactory->get_view_post_url_from_post($postentity);
}
$params = array(
'context' => $modcontext,
'objectid' => $fromform->id,
'other' => array(
'discussionid' => $discussion->id,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
$event = \mod_forum\event\post_created::create($params);
$event->add_record_snapshot('forum_posts', $fromform);
$event->add_record_snapshot('forum_discussions', $discussion);
$event->trigger();
// Update completion state.
$completion = new completion_info($course);
if ($completion->is_enabled($cm) &&
($forum->completionreplies || $forum->completionposts)) {
$completion->update_state($cm, COMPLETION_COMPLETE);
}
redirect(
forum_go_back_to($discussionurl),
$message . $subscribemessage,
null,
\core\output\notification::NOTIFY_SUCCESS
);
} else {
print_error("couldnotadd", "forum", $errordestination);
}
exit;
} else {
// Adding a new discussion.
// The location to redirect to after successfully posting.
$redirectto = new moodle_url('/mod/forum/view.php', array('f' => $fromform->forum));
$fromform->mailnow = empty($fromform->mailnow) ? 0 : 1;
$discussion = $fromform;
$discussion->name = $fromform->subject;
$discussion->timelocked = 0;
$newstopic = false;
if ($forum->type == 'news' && !$fromform->parent) {
$newstopic = true;