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discuss.php
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discuss.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/>.
/**
* Displays a post, and all the posts below it.
* If no post is given, displays all posts in 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 Blackboard Inc. (http://www.blackboard.com)
* @author Mark Nielsen
*/
use mod_hsuforum\local;
use mod_hsuforum\renderables\discussion_dateform;
use mod_hsuforum\renderables\advanced_editor;
require_once('../../config.php');
require_once(__DIR__.'/lib/discussion/sort.php');
// Get the discussion id, and deal with broken requests by browsers...
// that don't understand the AJAX links. I'm looking at you IE.
$d = optional_param('d', null, PARAM_INT); // Forum discussion id
if ($d === null) { // Fallback to id if present.
$d = optional_param('id', null, PARAM_INT);
if ($d === null) {
print_error('missingparameter');
}
}
$root = optional_param('root', 0, PARAM_INT); // If set, then display this post and all children.
$move = optional_param('move', 0, PARAM_INT); // If set, moves this discussion to another forum
$mark = optional_param('mark', '', PARAM_ALPHA); // Used for tracking read posts if user initiated.
$postid = optional_param('postid', 0, PARAM_INT); // Used for tracking read posts if user initiated.
$pin = optional_param('pin', -1, PARAM_INT); // If set, pin or unpin this discussion.
$warned = optional_param('warned', 0, PARAM_INT);
$config = get_config('hsuforum');
$url = new moodle_url('/mod/hsuforum/discuss.php', array('d'=>$d));
if ($root !== 0) {
$url->param('root', $root);
}
$PAGE->set_url($url);
$discussion = $DB->get_record('hsuforum_discussions', array('id' => $d), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $discussion->course), '*', MUST_EXIST);
$forum = $DB->get_record('hsuforum', array('id' => $discussion->forum), '*', MUST_EXIST);
$cm = get_coursemodule_from_instance('hsuforum', $forum->id, $course->id, false, MUST_EXIST);
require_course_login($course, true, $cm);
// move this down fix for MDL-6926
require_once($CFG->dirroot.'/mod/hsuforum/lib.php');
$modcontext = context_module::instance($cm->id);
require_capability('mod/hsuforum:viewdiscussion', $modcontext, NULL, true, 'noviewdiscussionspermission', 'hsuforum');
if ($forum->type == 'single') {
// If we are viewing a simple single forum then we need to log forum as viewed.
$completion = new \completion_info($course);
$completion->set_module_viewed($cm);
$params = array(
'context' => $modcontext,
'objectid' => $forum->id
);
$event = \mod_hsuforum\event\course_module_viewed::create($params);
$event->add_record_snapshot('course_modules', $cm);
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('hsuforum', $forum);
$event->trigger();
$PAGE->force_settings_menu(true);
}
if (!empty($CFG->enablerssfeeds) && !empty($config->enablerssfeeds) && $forum->rsstype && $forum->rssarticles) {
require_once("$CFG->libdir/rsslib.php");
$rsstitle = format_string($course->shortname, true, array('context' => context_course::instance($course->id))) . ': ' . format_string($forum->name);
rss_add_http_header($modcontext, 'mod_hsuforum', $forum, $rsstitle);
}
/// move discussion if requested
if ($move > 0 and confirm_sesskey()) {
$return = $CFG->wwwroot.'/mod/hsuforum/discuss.php?d='.$discussion->id;
require_capability('mod/hsuforum:movediscussions', $modcontext);
if ($forum->type == 'single') {
print_error('cannotmovefromsingleforum', 'hsuforum', $return);
}
if (!$forumto = $DB->get_record('hsuforum', array('id' => $move))) {
print_error('cannotmovetonotexist', 'hsuforum', $return);
}
if ($forumto->type == 'single') {
print_error('cannotmovetosingleforum', 'hsuforum', $return);
}
// Get target forum cm and check it is visible to current user.
$modinfo = get_fast_modinfo($course);
$forums = $modinfo->get_instances_of('hsuforum');
if (!array_key_exists($forumto->id, $forums)) {
print_error('cannotmovetonotfound', 'hsuforum', $return);
}
$cmto = $forums[$forumto->id];
if (!$cmto->uservisible) {
print_error('cannotmovenotvisible', 'hsuforum', $return);
}
$destinationctx = context_module::instance($cmto->id);
require_capability('mod/hsuforum:startdiscussion', $destinationctx);
if (!$forum->anonymous or $warned) {
if (!hsuforum_move_attachments($discussion, $forum->id, $forumto->id)) {
echo $OUTPUT->notification("Errors occurred while moving attachment directories - check your file permissions");
}
$DB->set_field('hsuforum_discussions', 'forum', $forumto->id, array('id' => $discussion->id));
$DB->set_field('hsuforum_read', 'forumid', $forumto->id, array('discussionid' => $discussion->id));
$params = array(
'context' => $destinationctx,
'objectid' => $discussion->id,
'other' => array(
'fromforumid' => $forum->id,
'toforumid' => $forumto->id,
)
);
$event = \mod_hsuforum\event\discussion_moved::create($params);
$event->add_record_snapshot('hsuforum_discussions', $discussion);
$event->add_record_snapshot('hsuforum', $forum);
$event->add_record_snapshot('hsuforum', $forumto);
$event->trigger();
// Delete the RSS files for the 2 forums to force regeneration of the feeds
require_once($CFG->dirroot.'/mod/hsuforum/rsslib.php');
hsuforum_rss_delete_file($forum);
hsuforum_rss_delete_file($forumto);
redirect($return.'&move=-1&sesskey='.sesskey());
}
}
// Pin or unpin discussion if requested.
if ($pin !== -1 && confirm_sesskey()) {
require_capability('mod/hsuforum:pindiscussions', $modcontext);
$params = array('context' => $modcontext, 'objectid' => $discussion->id, 'other' => array('forumid' => $forum->id));
switch ($pin) {
case HSUFORUM_DISCUSSION_PINNED:
// Pin the discussion and trigger discussion pinned event.
hsuforum_discussion_pin($modcontext, $forum, $discussion);
break;
case HSUFORUM_DISCUSSION_UNPINNED:
// Unpin the discussion and trigger discussion unpinned event.
hsuforum_discussion_unpin($modcontext, $forum, $discussion);
break;
default:
echo $OUTPUT->notification("Invalid value when attempting to pin/unpin discussion");
break;
}
redirect(new moodle_url('/mod/hsuforum/discuss.php', array('d' => $discussion->id)));
}
// Trigger discussion viewed event.
hsuforum_discussion_view($modcontext, $forum, $discussion);
unset($SESSION->fromdiscussion);
if (!$root) {
$root = $discussion->firstpost;
}
if (! $post = hsuforum_get_post_full($root)) {
print_error("notexists", 'hsuforum', "$CFG->wwwroot/mod/hsuforum/view.php?f=$forum->id");
}
if (!hsuforum_user_can_see_post($forum, $discussion, $post, null, $cm, false)) {
print_error('noviewdiscussionspermission', 'hsuforum', "$CFG->wwwroot/mod/hsuforum/view.php?id=$forum->id");
}
if ($mark == 'read') {
hsuforum_tp_add_read_record($USER->id, $postid);
}
$forumnode = $PAGE->navigation->find($cm->id, navigation_node::TYPE_ACTIVITY);
if (empty($forumnode)) {
$forumnode = $PAGE->navbar;
} else {
$forumnode->make_active();
}
$node = $forumnode->add(format_string($discussion->name), new moodle_url('/mod/hsuforum/discuss.php', array('d'=>$discussion->id)));
$node->display = false;
if ($node && $post->id != $discussion->firstpost) {
$node->add(format_string($post->subject), $PAGE->url);
}
$dsort = hsuforum_lib_discussion_sort::get_from_session($forum, $modcontext);
$renderer = $PAGE->get_renderer('mod_hsuforum');
$PAGE->requires->js_init_call('M.mod_hsuforum.init', null, false, $renderer->get_js_module());
$PAGE->set_title("$course->shortname: $discussion->name");
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $renderer->render(new discussion_dateform($modcontext, $discussion));
if ($forum->type != 'single') {
echo "<h2><a href='$CFG->wwwroot/mod/hsuforum/view.php?f=$forum->id'>« ".format_string($forum->name)."</a></h2>";
}
echo $renderer->svg_sprite();
/// Check to see if groups are being used in this forum
/// If so, make sure the current person is allowed to see this discussion
/// Also, if we know they should be able to reply, then explicitly set $canreply for performance reasons
$canreply = hsuforum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext);
if (!$canreply and $forum->type !== 'news') {
if (isguestuser() or !isloggedin()) {
$canreply = true;
}
if (!is_enrolled($modcontext) and !is_viewing($modcontext)) {
// allow guests and not-logged-in to see the link - they are prompted to log in after clicking the link
// normal users with temporary guest access see this link too, they are asked to enrol instead
$canreply = enrol_selfenrol_available($course->id);
}
}
// Print Notice of Warning if Moving this Discussion
if ($move > 0 and confirm_sesskey()) {
echo $OUTPUT->confirm(
get_string('anonymouswarning', 'hsuforum'),
new moodle_url('/mod/hsuforum/discuss.php', array('d' => $discussion->id, 'move' => $move, 'warned' => 1)),
new moodle_url('/mod/hsuforum/discuss.php', array('d' => $discussion->id))
);
}
if (hsuforum_discussion_is_locked($forum, $discussion)) {
echo $OUTPUT->notification(get_string('discussionlocked', 'hsuforum'),
\core\output\notification::NOTIFY_INFO . ' discussionlocked');
}
if (!empty($forum->blockafter) && !empty($forum->blockperiod)) {
$a = new stdClass();
$a->blockafter = $forum->blockafter;
$a->blockperiod = get_string('secondstotime'.$forum->blockperiod);
echo $OUTPUT->notification(get_string('thisforumisthrottled','hsuforum',$a));
}
if ($forum->type == 'qanda' && !local::cached_has_capability('mod/hsuforum:viewqandawithoutposting', $modcontext) &&
!hsuforum_user_has_posted($forum->id,$discussion->id,$USER->id)) {
echo $OUTPUT->notification(get_string('qandanotify', 'hsuforum'));
}
if ($move == -1 and confirm_sesskey()) {
echo $OUTPUT->notification(get_string('discussionmoved', 'hsuforum', format_string($forum->name,true)), 'success');
}
$canrate = \mod_hsuforum\local::cached_has_capability('mod/hsuforum:rate', $modcontext);
hsuforum_print_discussion($course, $cm, $forum, $discussion, $post, $canreply, $canrate);
echo '<div class="discussioncontrols clearfix"><div class="controlscontainer m-b-1">';
if (!empty($CFG->enableportfolios) && local::cached_has_capability('mod/hsuforum:exportdiscussion', $modcontext) && empty($forum->anonymous)) {
require_once($CFG->libdir.'/portfoliolib.php');
$button = new portfolio_add_button();
$button->set_callback_options('hsuforum_portfolio_caller', array('discussionid' => $discussion->id), 'mod_hsuforum');
$button = $button->to_html(PORTFOLIO_ADD_FULL_FORM, get_string('exportdiscussion', 'mod_hsuforum'));
$buttonextraclass = '';
if (empty($button)) {
// no portfolio plugin available.
$button = ' ';
$buttonextraclass = ' noavailable';
}
echo html_writer::tag('div', $button, array('class' => 'discussioncontrol exporttoportfolio'.$buttonextraclass));
}
if ($course->format !='singleactivity' && $forum->type != 'single'
&& local::cached_has_capability('mod/hsuforum:movediscussions', $modcontext)) {
echo '<div class="discussioncontrol movediscussion">';
// Popup menu to move discussions to other forums. The discussion in a
// single discussion forum can't be moved.
$modinfo = get_fast_modinfo($course);
if (isset($modinfo->instances['hsuforum'])) {
$forummenu = array();
// Check forum types and eliminate simple discussions.
$forumcheck = $DB->get_records('hsuforum', array('course' => $course->id),'', 'id, type');
foreach ($modinfo->instances['hsuforum'] as $forumcm) {
if (!$forumcm->uservisible || !local::cached_has_capability('mod/hsuforum:startdiscussion',
context_module::instance($forumcm->id))) {
continue;
}
$section = $forumcm->sectionnum;
$sectionname = get_section_name($course, $section);
if (empty($forummenu[$section])) {
$forummenu[$section] = array($sectionname => array());
}
$forumidcompare = $forumcm->instance != $forum->id;
$forumtypecheck = $forumcheck[$forumcm->instance]->type !== 'single';
if ($forumidcompare and $forumtypecheck) {
$url = "/mod/hsuforum/discuss.php?d=$discussion->id&move=$forumcm->instance&sesskey=".sesskey();
$forummenu[$section][$sectionname][$url] = format_string($forumcm->name);
}
}
}
echo "</div>";
}
if (!empty($forummenu)) {
echo '<div class="movediscussionoption">';
$select = new url_select($forummenu, '',
array('/mod/hsuforum/discuss.php?d=' . $discussion->id => get_string("movethisdiscussionto", "hsuforum")),
'forummenu');
echo $OUTPUT->render($select);
echo "</div>";
}
if ($forum->type == 'single') {
echo hsuforum_search_form($course, $forum->id);
// Don't allow non logged in users, or guest to try to manage subscriptions.
if (isloggedin() && !isguestuser()) {
echo \html_writer::link(
new \moodle_url(
'/mod/hsuforum/index.php',
array (
'id' => $course->id
)
),
get_string('manageforumsubscriptions', 'mod_hsuforum'),
array (
'class' => 'managesubslink'
)
);
}
}
$neighbours = hsuforum_get_discussion_neighbours($cm, $discussion, $forum);
echo $renderer->discussion_navigation($neighbours['prev'], $neighbours['next']);
echo "</div></div>";
$editor = new advanced_editor($modcontext);
echo '<div id="preload-container" style="display: none;"><div id="preload-container-editor">';
echo $renderer->render_advanced_editor($editor, 'preload-container-editor', 0).'</div></div>';
echo $OUTPUT->footer();