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post.php
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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_hsuforum
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @copyright Copyright (c) 2012 Moodlerooms Inc. (http://www.moodlerooms.com)
* @author Mark Nielsen
*/
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);
$PAGE->set_url('/mod/hsuforum/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.
$page_params = array('reply'=>$reply, 'forum'=>$forum, 'edit'=>$edit);
$sitecontext = context_system::instance();
if (!isloggedin() or isguestuser()) {
if (!isloggedin() and !get_local_referer()) {
// No referer+not logged in - probably coming in via email See MDL-9052
require_login();
}
if (!empty($forum)) { // User is starting a new discussion in a forum
if (! $forum = $DB->get_record('hsuforum', array('id' => $forum))) {
print_error('invalidforumid', 'hsuforum');
}
} else if (!empty($reply)) { // User is writing a new reply
if (! $parent = hsuforum_get_post_full($reply)) {
print_error('invalidparentpostid', 'hsuforum');
}
if (! $discussion = $DB->get_record('hsuforum_discussions', array('id' => $parent->discussion))) {
print_error('notpartofdiscussion', 'hsuforum');
}
if (! $forum = $DB->get_record('hsuforum', array('id' => $discussion->forum))) {
print_error('invalidforumid');
}
}
if (! $course = $DB->get_record('course', array('id' => $forum->course))) {
print_error('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance('hsuforum', $forum->id, $course->id)) { // For the logs
print_error('invalidcoursemodule');
} else {
$modcontext = context_module::instance($cm->id);
}
$PAGE->set_cm($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', 'hsuforum').'<br /><br />'.get_string('liketologin'), get_login_url(), $referer);
echo $OUTPUT->footer();
exit;
}
require_login(0, false); // Script is useless unless they're logged in
if (!empty($forum)) { // User is starting a new discussion in a forum
if (! $forum = $DB->get_record("hsuforum", array("id" => $forum))) {
print_error('invalidforumid', 'hsuforum');
}
if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
print_error('invalidcourseid');
}
if (! $cm = get_coursemodule_from_instance("hsuforum", $forum->id, $course->id)) {
print_error("invalidcoursemodule");
}
// Retrieve the contexts.
$modcontext = context_module::instance($cm->id);
$coursecontext = context_course::instance($course->id);
if (! hsuforum_user_can_post_discussion($forum, $groupid, -1, $cm)) {
if (!isguestuser()) {
if (!is_enrolled($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/hsuforum/view.php?f=' . $forum->id)),
get_string('youneedtoenrol'));
}
}
}
print_error('nopostforum', 'hsuforum');
}
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) {
print_error("activityiscurrentlyhidden");
}
$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 = '';
$post->userid = $USER->id;
$post->reveal = 0;
$post->privatereply = 0;
$post->message = '';
$post->messageformat = editors_get_preferred_format();
$post->messagetrust = 0;
if (isset($groupid)) {
$post->groupid = $groupid;
} else {
$post->groupid = groups_get_activity_group($cm);
}
hsuforum_set_return();
} else if (!empty($reply)) { // User is writing a new reply
if (! $parent = hsuforum_get_post_full($reply)) {
print_error('invalidparentpostid', 'hsuforum');
}
if (! $discussion = $DB->get_record("hsuforum_discussions", array("id" => $parent->discussion))) {
print_error('notpartofdiscussion', 'hsuforum');
}
if (! $forum = $DB->get_record("hsuforum", array("id" => $discussion->forum))) {
print_error('invalidforumid', 'hsuforum');
}
if (! $course = $DB->get_record("course", array("id" => $discussion->course))) {
print_error('invalidcourseid');
}
if (! $cm = get_coursemodule_from_instance("hsuforum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
}
// Ensure lang, theme, etc. is set up properly. MDL-6926
$PAGE->set_cm($cm, $course, $forum);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
// Retrieve the contexts.
$modcontext = context_module::instance($cm->id);
$coursecontext = context_course::instance($course->id);
if (! hsuforum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext)) {
if (!isguestuser()) {
if (!is_enrolled($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/hsuforum/view.php?f=' . $forum->id)),
get_string('youneedtoenrol'));
}
}
print_error('nopostforum', 'hsuforum');
}
// Make sure user can post here
if (isset($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', 'hsuforum');
} else {
if (!groups_is_member($discussion->groupid)) {
print_error('nopostforum', 'hsuforum');
}
}
}
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', $modcontext)) {
print_error("activityiscurrentlyhidden");
}
// 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->reveal = 0;
$post->privatereply= 0;
$post->subject = $parent->subject;
$post->userid = $USER->id;
$post->message = '';
$post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid;
$strre = get_string('re', 'hsuforum');
if (!(substr($post->subject, 0, strlen($strre)) == $strre)) {
$post->subject = $strre.' '.$post->subject;
}
unset($SESSION->fromdiscussion);
} else if (!empty($edit)) { // User is editing their own post
if (! $post = hsuforum_get_post_full($edit)) {
print_error('invalidpostid', 'hsuforum');
}
if ($post->parent) {
if (! $parent = hsuforum_get_post_full($post->parent)) {
print_error('invalidparentpostid', 'hsuforum');
}
}
if (! $discussion = $DB->get_record("hsuforum_discussions", array("id" => $post->discussion))) {
print_error('notpartofdiscussion', 'hsuforum');
}
if (! $forum = $DB->get_record("hsuforum", array("id" => $discussion->forum))) {
print_error('invalidforumid', 'hsuforum');
}
if (! $course = $DB->get_record("course", array("id" => $discussion->course))) {
print_error('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance("hsuforum", $forum->id, $course->id)) {
print_error('invalidcoursemodule');
} else {
$modcontext = context_module::instance($cm->id);
}
$PAGE->set_cm($cm, $course, $forum);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
if (!($forum->type == 'news' && !$post->parent && $discussion->timestart > time())) {
if (((time() - $post->created) > $CFG->maxeditingtime) and
!has_capability('mod/hsuforum:editanypost', $modcontext)) {
print_error('maxtimehaspassed', 'hsuforum', '', format_time($CFG->maxeditingtime));
}
}
if (($post->userid <> $USER->id) and
!has_capability('mod/hsuforum:editanypost', $modcontext)) {
print_error('cannoteditposts', 'hsuforum');
}
// Load up the $post variable.
$post->edit = $edit;
$post->course = $course->id;
$post->forum = $forum->id;
$post->groupid = ($discussion->groupid == -1) ? 0 : $discussion->groupid;
$post = trusttext_pre_edit($post, 'message', $modcontext);
unset($SESSION->fromdiscussion);
}else if (!empty($delete)) { // User is deleting a post
if (! $post = hsuforum_get_post_full($delete)) {
print_error('invalidpostid', 'hsuforum');
}
if (! $discussion = $DB->get_record("hsuforum_discussions", array("id" => $post->discussion))) {
print_error('notpartofdiscussion', 'hsuforum');
}
if (! $forum = $DB->get_record("hsuforum", array("id" => $discussion->forum))) {
print_error('invalidforumid', 'hsuforum');
}
if (!$cm = get_coursemodule_from_instance("hsuforum", $forum->id, $forum->course)) {
print_error('invalidcoursemodule');
}
if (!$course = $DB->get_record('course', array('id' => $forum->course))) {
print_error('invalidcourseid');
}
require_login($course, false, $cm);
$modcontext = context_module::instance($cm->id);
if ( !(($post->userid == $USER->id && has_capability('mod/hsuforum:deleteownpost', $modcontext))
|| has_capability('mod/hsuforum:deleteanypost', $modcontext)) ) {
print_error('cannotdeletepost', 'hsuforum');
}
$replycount = hsuforum_count_replies($post);
if (!empty($confirm) && confirm_sesskey()) { // User has confirmed the delete
redirect(
hsuforum_verify_and_delete_post($course, $cm, $forum, $modcontext, $discussion, $post)
);
} else { // User just asked to delete something
hsuforum_set_return();
$PAGE->navbar->add(get_string('delete', 'hsuforum'));
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
if ($replycount) {
if (!has_capability('mod/hsuforum:deleteanypost', $modcontext)) {
print_error("couldnotdeletereplies", "hsuforum",
hsuforum_go_back_to(new moodle_url('/mod/hsuforum/discuss.php', array('d' => $post->discussion), 'p'.$post->id)));
}
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
echo $OUTPUT->confirm(get_string("deletesureplural", "hsuforum", $replycount+1),
"post.php?delete=$delete&confirm=$delete",
$CFG->wwwroot.'/mod/hsuforum/discuss.php?d='.$post->discussion. '&postid=' . $post->id .'#p'.$post->id);
echo $renderer->post($cm, $discussion, $post, false, null, false);
} else {
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
echo $OUTPUT->confirm(get_string("deletesure", "hsuforum", $replycount),
"post.php?delete=$delete&confirm=$delete",
$CFG->wwwroot.'/mod/hsuforum/discuss.php?d='.$post->discussion.'#p'.$post->id);
echo $renderer->post($cm, $discussion, $post, false, null, false);
}
}
echo $OUTPUT->footer();
die;
} else if (!empty($prune)) { // Pruning
if (!$post = hsuforum_get_post_full($prune)) {
print_error('invalidpostid', 'hsuforum');
}
if (!$discussion = $DB->get_record("hsuforum_discussions", array("id" => $post->discussion))) {
print_error('notpartofdiscussion', 'hsuforum');
}
if (!$forum = $DB->get_record("hsuforum", array("id" => $discussion->forum))) {
print_error('invalidforumid', 'hsuforum');
}
if ($forum->type == 'single') {
print_error('cannotsplit', 'hsuforum');
}
if (!$post->parent) {
print_error('alreadyfirstpost', 'hsuforum');
}
if (!$cm = get_coursemodule_from_instance("hsuforum", $forum->id, $forum->course)) { // For the logs
print_error('invalidcoursemodule');
} else {
$modcontext = context_module::instance($cm->id);
}
if (!has_capability('mod/hsuforum:splitdiscussions', $modcontext)) {
print_error('cannotsplit', 'hsuforum');
}
$PAGE->set_cm($cm);
$PAGE->set_context($modcontext);
$prunemform = new mod_hsuforum_prune_form(null, array('prune' => $prune, 'confirm' => $prune));
if ($prunemform->is_cancelled()) {
redirect(hsuforum_go_back_to(new moodle_url("/mod/hsuforum/discuss.php", array('d' => $post->discussion))));
} else if ($fromform = $prunemform->get_data()) {
// User submits the data.
// Make sure post name does not go beyond 255 chars.
$name = \mod_hsuforum\local::shorten_post_name($name);
$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('hsuforum_discussions', $newdiscussion);
$newpost = new stdClass();
$newpost->id = $post->id;
$newpost->parent = 0;
$newpost->subject = $name;
$newpost->privatereply = 0;
$DB->update_record("hsuforum_posts", $newpost);
hsuforum_change_discussionid($post->id, $newid);
// Update last post in each discussion.
hsuforum_discussion_update_last_post($discussion->id);
hsuforum_discussion_update_last_post($newid);
// Fire events to reflect the split..
$params = array(
'context' => $modcontext,
'objectid' => $discussion->id,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_hsuforum\event\discussion_updated::create($params);
$event->trigger();
$params = array(
'context' => $modcontext,
'objectid' => $newid,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_hsuforum\event\discussion_created::create($params);
$event->trigger();
$params = array(
'context' => $modcontext,
'objectid' => $post->id,
'other' => array(
'discussionid' => $newid,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
$event = \mod_hsuforum\event\post_updated::create($params);
$event->add_record_snapshot('hsuforum_discussions', $discussion);
$event->trigger();
redirect(hsuforum_go_back_to(new moodle_url("/mod/hsuforum/discuss.php", array('d' => $newid))));
} else {
// Display the prune form.
$course = $DB->get_record('course', array('id' => $forum->course));
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
$PAGE->navbar->add(format_string($post->subject, true), new moodle_url('/mod/hsuforum/discuss.php', array('d'=>$discussion->id)));
$PAGE->navbar->add(get_string("prune", "hsuforum"));
$PAGE->set_title("$discussion->name: $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);
echo $renderer->svg_sprite();
if (!empty($post->privatereply)) {
echo $OUTPUT->notification(get_string('splitprivatewarning', 'hsuforum'));
}
$prunemform->display();
// We don't have the valid unread status. Set to read so we don't see
// the unread tag.
$post->postread = true;
echo $renderer->post($cm, $discussion, $post);
}
echo $OUTPUT->footer();
die;
} else {
print_error('unknowaction');
}
if (!isset($coursecontext)) {
// Has not yet been set by post.php.
$coursecontext = context_course::instance($forum->course);
}
// from now on user must be logged on properly
if (!$cm = get_coursemodule_from_instance('hsuforum', $forum->id, $course->id)) { // For the logs
print_error('invalidcoursemodule');
}
$modcontext = context_module::instance($cm->id);
require_login($course, false, $cm);
if (isguestuser()) {
// just in case
print_error('noguest');
}
if (!isset($forum->maxattachments)) { // TODO - delete this once we add a field to the forum table
$forum->maxattachments = 3;
}
$thresholdwarning = hsuforum_check_throttling($forum, $cm);
$mform_post = new mod_hsuforum_post_form('post.php', array('course' => $course,
'cm' => $cm,
'coursecontext' => $coursecontext,
'modcontext' => $modcontext,
'forum' => $forum,
'post' => $post,
'thresholdwarning' => $thresholdwarning,
'edit' => $edit), 'post', '', array('id' => 'mformhsuforum'));
$draftitemid = file_get_submitted_draft_itemid('attachments');
file_prepare_draft_area($draftitemid, $modcontext->id, 'mod_hsuforum', 'attachment', empty($post->id)?null:$post->id, mod_hsuforum_post_form::attachment_options($forum));
//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->modified);
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 class="edited">('.get_string('editedby', 'hsuforum', $data).')</p>';
} else {
$data->name = fullname($USER);
$post->message .= "\n\n(".get_string('editedby', 'hsuforum', $data).')';
}
unset($data);
}
$formheading = '';
if (!empty($parent)) {
$formheading = get_string("yourreply", "hsuforum");
} else {
if ($forum->type == 'qanda') {
$formheading = get_string('yournewquestion', 'hsuforum');
} else {
$formheading = get_string('yournewtopic', 'hsuforum');
}
}
if (hsuforum_is_subscribed($USER->id, $forum->id)) {
$subscribe = true;
} else if (hsuforum_user_has_posted($forum->id, 0, $USER->id)) {
$subscribe = false;
} else {
// user not posted yet - use subscription default specified in profile
$subscribe = !empty($USER->autosubscribe);
}
$postid = empty($post->id) ? null : $post->id;
$draftid_editor = file_get_submitted_draft_itemid('message');
$currenttext = file_prepare_draft_area($draftid_editor, $modcontext->id, 'mod_hsuforum', 'post', $postid, mod_hsuforum_post_form::editor_options($modcontext, $postid), $post->message);
$mform_post->set_data(array( 'attachments'=>$draftitemid,
'subject'=>$post->subject,
'message'=>array(
'text'=>$currenttext,
'format'=>empty($post->messageformat) ? editors_get_preferred_format() : $post->messageformat,
'itemid'=>$draftid_editor
),
'subscribe'=>$subscribe?1:0,
'mailnow'=>!empty($post->mailnow),
'userid'=>$post->userid,
'parent'=>$post->parent,
'reveal'=>$post->reveal,
'privatereply'=>$post->privatereply,
'discussion'=>$post->discussion,
'course'=>$course->id) +
$page_params +
(isset($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'=>$discussion->id):
array()));
if ($fromform = $mform_post->get_data()) {
if (empty($SESSION->fromurl)) {
$errordestination = "$CFG->wwwroot/mod/hsuforum/view.php?f=$forum->id";
} 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);
if ($fromform->edit) { // Updating a post
unset($fromform->groupid);
$fromform->id = $fromform->edit;
$message = '';
//fix for bug #4314
if (!$realpost = $DB->get_record('hsuforum_posts', array('id' => $fromform->id))) {
$realpost = new stdClass();
$realpost->userid = -1;
}
// if user has edit any post capability
// or has either startnewdiscussion or reply capability and is editting own post
// then he can proceed
// MDL-7066
if ( !(($realpost->userid == $USER->id && (has_capability('mod/hsuforum:replypost', $modcontext)
|| has_capability('mod/hsuforum:startdiscussion', $modcontext))) ||
has_capability('mod/hsuforum:editanypost', $modcontext)) ) {
print_error('cannotupdatepost', 'hsuforum');
}
// If the user has access to all groups and they are changing the group, then update the post.
if (isset($fromform->groupinfo) && has_capability('mod/hsuforum:movediscussions', $modcontext)) {
if (empty($fromform->groupinfo)) {
$fromform->groupinfo = -1;
}
if (!hsuforum_user_can_post_discussion($forum, $fromform->groupinfo, null, $cm, $modcontext)) {
print_error('cannotupdatepost', 'hsuforum');
}
$DB->set_field('hsuforum_discussions' ,'groupid' , $fromform->groupinfo, array('firstpost' => $fromform->id));
}
if (!$fromform->parent) {
if (has_capability('mod/hsuforum:pindiscussions', $modcontext)) {
// Can change pinned if we have capability.
$fromform->pinned = !empty($fromform->pinned) ? HSUFORUM_DISCUSSION_PINNED : HSUFORUM_DISCUSSION_UNPINNED;
} else {
// We don't have the capability to change so keep to previous value.
unset($fromform->pinned);
}
}
$updatepost = $fromform; //realpost
$updatepost->forum = $forum->id;
if (!hsuforum_update_post($updatepost, $mform_post, $message)) {
print_error("couldnotupdate", "hsuforum", $errordestination);
}
// MDL-11818
if (($forum->type == 'single') && ($updatepost->parent == '0')){ // updating first post of single discussion type -> updating forum intro
$forum->intro = $updatepost->message;
$forum->timemodified = time();
$DB->update_record("hsuforum", $forum);
}
$timemessage = 2;
if (!empty($message)) { // if we're printing stuff about the file upload
$timemessage = 4;
}
if ($realpost->userid == $USER->id) {
$message .= '<br />'.get_string("postupdated", "hsuforum");
} else {
$realuser = $DB->get_record('user', array('id' => $realpost->userid));
$freshpost = $DB->get_record('hsuforum_posts', array('id' => $fromform->id));
if ($realuser && $freshpost) {
$postuser = hsuforum_get_postuser($realuser, $freshpost, $forum, $modcontext);
$message .= '<br />'.get_string('editedpostupdated', 'hsuforum', $postuser->fullname);
} else {
$message .= '<br />'.get_string('postupdated', 'hsuforum');
}
}
if ($subscribemessage = hsuforum_post_subscription($fromform, $forum)) {
$timemessage = 4;
}
if ($forum->type == 'single') {
// Single discussion forums are an exception. We show
// the forum itself since it only has one discussion
// thread.
$discussionurl = new moodle_url("/mod/hsuforum/view.php", array('f' => $forum->id));
} else {
$discussionurl = new moodle_url("/mod/hsuforum/discuss.php", array('d' => $discussion->id), 'p' . $fromform->id);
}
$params = array(
'context' => $modcontext,
'objectid' => $fromform->id,
'other' => array(
'discussionid' => $discussion->id,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
if ($realpost->userid !== $USER->id) {
$params['relateduserid'] = $realpost->userid;
}
$event = \mod_hsuforum\event\post_updated::create($params);
$event->add_record_snapshot('hsuforum_discussions', $discussion);
$event->trigger();
redirect(hsuforum_go_back_to($discussionurl), $message.$subscribemessage, $timemessage);
exit;
} else if ($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.
hsuforum_check_blocking_threshold($thresholdwarning);
unset($fromform->groupid);
$message = '';
$addpost = $fromform;
$addpost->forum=$forum->id;
if ($fromform->id = hsuforum_add_new_post($addpost, $mform_post, $message)) {
$timemessage = 2;
if (!empty($message)) { // if we're printing stuff about the file upload
$timemessage = 4;
}
if ($subscribemessage = hsuforum_post_subscription($fromform, $forum)) {
$timemessage = 4;
}
if (!empty($fromform->mailnow)) {
$message .= get_string("postmailnow", "hsuforum");
$timemessage = 4;
} else {
$message .= '<p>'.get_string("postaddedsuccess", "hsuforum") . '</p>';
$message .= '<p>'.get_string("postaddedtimeleft", "hsuforum", format_time($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 = new moodle_url("/mod/hsuforum/view.php", array('f' => $forum->id), 'p'.$fromform->id);
} else {
$discussionurl = new moodle_url("/mod/hsuforum/discuss.php", array('d' => $discussion->id), 'p'.$fromform->id);
}
$post = $DB->get_record('hsuforum_posts', array('id' => $fromform->id), '*', MUST_EXIST);
$params = array(
'context' => $modcontext,
'objectid' => $fromform->id,
'other' => array(
'discussionid' => $discussion->id,
'forumid' => $forum->id,
'forumtype' => $forum->type,
)
);
$event = \mod_hsuforum\event\post_created::create($params);
$event->add_record_snapshot('hsuforum_posts', $post);
$event->add_record_snapshot('hsuforum_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(hsuforum_go_back_to($discussionurl), $message.$subscribemessage, $timemessage);
} else {
print_error("couldnotadd", "hsuforum", $errordestination);
}
exit;
} else { // Adding a new discussion.
// The location to redirect to after successfully posting.
$redirectto = new moodle_url('view.php', array('f' => $fromform->forum));
$fromform->mailnow = empty($fromform->mailnow) ? 0 : 1;
$fromform->reveal = empty($fromform->reveal) ? 0 : 1;
$discussion = $fromform;
$discussion->name = $fromform->subject;
$newstopic = false;
if ($forum->type == 'news' && !$fromform->parent) {
$newstopic = true;
}
$discussion->timestart = $fromform->timestart;
$discussion->timeend = $fromform->timeend;
if (has_capability('mod/hsuforum:pindiscussions', $modcontext) && !empty($fromform->pinned)) {
$discussion->pinned = HSUFORUM_DISCUSSION_PINNED;
} else {
$discussion->pinned = HSUFORUM_DISCUSSION_UNPINNED;
}
$allowedgroups = array();
$groupstopostto = array();
// If we are posting a copy to all groups the user has access to.
if (isset($fromform->posttomygroups)) {
// Post to each of my groups.
require_capability('mod/hsuforum:canposttomygroups', $modcontext);
// Fetch all of this user's groups.
// Note: all groups are returned when in visible groups mode so we must manually filter.
$allowedgroups = groups_get_activity_allowed_groups($cm);
foreach ($allowedgroups as $groupid => $group) {
if (hsuforum_user_can_post_discussion($forum, $groupid, -1, $cm, $modcontext)) {
$groupstopostto[] = $groupid;
}
}
} else if (isset($fromform->groupinfo)) {
// Use the value provided in the dropdown group selection.
$groupstopostto[] = $fromform->groupinfo;
$redirectto->param('group', $fromform->groupinfo);
} else if (isset($fromform->groupid) && !empty($fromform->groupid)) {
// Use the value provided in the hidden form element instead.
$groupstopostto[] = $fromform->groupid;
$redirectto->param('group', $fromform->groupid);
} else {
// Use the value for all participants instead.
$groupstopostto[] = -1;
}
// Before we post this we must check that the user will not exceed the blocking threshold.
hsuforum_check_blocking_threshold($thresholdwarning);
foreach ($groupstopostto as $group) {
if (!hsuforum_user_can_post_discussion($forum, $group, -1, $cm, $modcontext)) {
print_error('cannotcreatediscussion', 'hsuforum');
}
$discussion->groupid = $group;
$message = '';
if ($discussion->id = hsuforum_add_discussion($discussion, $mform_post, $message)) {
$params = array(
'context' => $modcontext,
'objectid' => $discussion->id,
'other' => array(
'forumid' => $forum->id,
)
);
$event = \mod_hsuforum\event\discussion_created::create($params);
$event->add_record_snapshot('hsuforum_discussions', $discussion);
$event->trigger();
$timemessage = 2;
if (!empty($message)) { // If we're printing stuff about the file upload.
$timemessage = 4;
}
if ($fromform->mailnow) {
$message .= get_string("postmailnow", "hsuforum");
$timemessage = 4;
} else {
$message .= '<p>'.get_string("postaddedsuccess", "hsuforum") . '</p>';
$message .= '<p>'.get_string("postaddedtimeleft", "hsuforum", format_time($CFG->maxeditingtime)) . '</p>';
}
if ($subscribemessage = hsuforum_post_subscription($fromform, $forum, $discussion)) {
$timemessage = 6;
}
} else {
print_error("couldnotadd", "hsuforum", $errordestination);
}
}
// Update completion status.
$completion = new completion_info($course);
if ($completion->is_enabled($cm) &&
($forum->completiondiscussions || $forum->completionposts)) {
$completion->update_state($cm, COMPLETION_COMPLETE);
}
// Redirect back to the discussion.
redirect(hsuforum_go_back_to($redirectto->out()), $message . $subscribemessage, $timemessage);
}
}
// To get here they need to edit a post, and the $post
// variable will be loaded with all the particulars,
// so bring up the form.
// $course, $forum are defined. $discussion is for edit and reply only.
if ($post->discussion) {
if (! $toppost = $DB->get_record("hsuforum_posts", array("discussion" => $post->discussion, "parent" => 0))) {
print_error('cannotfindparentpost', 'hsuforum', '', $post->id);
}
} else {
$toppost = new stdClass();
$toppost->subject = get_string("addanewtopic", "hsuforum");
}
if (empty($post->edit)) {
$post->edit = '';
}
if (empty($discussion->name)) {
if (empty($discussion)) {
$discussion = new stdClass();
}
$discussion->name = $forum->name;
}
if ($forum->type == 'single') {
// There is only one discussion thread for this forum type. We should
// not show the discussion name (same as forum name in this case) in
// the breadcrumbs.
$strdiscussionname = '';
} else {
// Show the discussion name in the breadcrumbs.
$strdiscussionname = $discussion->name.':';
}
$forcefocus = empty($reply) ? NULL : 'message';
if (!empty($discussion->id)) {
$PAGE->navbar->add(format_string($toppost->subject, true), "discuss.php?d=$discussion->id");
}
if ($post->parent) {
$PAGE->navbar->add(get_string('reply', 'hsuforum'));
}
if ($edit) {
$PAGE->navbar->add(get_string('edit', 'hsuforum'));
}
$PAGE->set_title("$course->shortname: $strdiscussionname $toppost->subject");
$PAGE->set_heading($course->fullname);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
// checkup
if (!empty($parent) && !hsuforum_user_can_see_post($forum, $discussion, $post, null, $cm)) {
print_error('cannotreply', 'hsuforum');
}
if (!empty($parent) && !empty($parent->privatereply)) {
print_error('cannotreply', 'hsuforum');
}
if (empty($parent) && empty($edit) && !hsuforum_user_can_post_discussion($forum, $groupid, -1, $cm, $modcontext)) {
print_error('cannotcreatediscussion', 'hsuforum');
}
if ($forum->type == 'qanda'
&& !has_capability('mod/hsuforum:viewqandawithoutposting', $modcontext)
&& !empty($discussion->id)
&& !hsuforum_user_has_posted($forum->id, $discussion->id, $USER->id)) {
echo $OUTPUT->notification(get_string('qandanotify','hsuforum'));
}
// If there is a warning message and we are not editing a post we need to handle the warning.
if (!empty($thresholdwarning) && !$edit) {
// Here we want to throw an exception if they are no longer allowed to post.
hsuforum_check_blocking_threshold($thresholdwarning);
}
if (!empty($parent)) {
if (!$discussion = $DB->get_record('hsuforum_discussions', array('id' => $parent->discussion))) {