/**
* Gets the current group - either from the session variable or from the database.
*
* @global object
* @param int $courseid The course being examined - relates to id field in
* 'course' table.
* @param bool $full If true, the return value is a full record object.
* If false, just the id of the record.
* @return int|bool
*/
function get_current_group($courseid, $full = false) {
global $SESSION;
if (isset($SESSION->currentgroup[$courseid])) {
if ($full) {
return groups_get_group($SESSION->currentgroup[$courseid]);
} else {
return $SESSION->currentgroup[$courseid];
}
}
$mygroupid = mygroupid($courseid);
if (is_array($mygroupid)) {
$mygroupid = array_shift($mygroupid);
set_current_group($courseid, $mygroupid);
if ($full) {
return groups_get_group($mygroupid);
} else {
return $mygroupid;
}
}
if ($full) {
return false;
} else {
return 0;
}
}
course_setup($course->id);
$coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
if (!forum_user_can_post($forum)) {
if (has_capability('moodle/legacy:guest', $coursecontext, NULL, false)) {
// User is a guest here!
$SESSION->wantsurl = $FULLME;
$SESSION->enrolcancel = $_SERVER['HTTP_REFERER'];
redirect($CFG->wwwroot . '/course/enrol.php?id=' . $course->id, get_string('youneedtoenrol'));
} else {
print_error('nopostforum', 'forum');
}
}
if (groupmode($course, $cm)) {
// Make sure user can post here
$mygroupid = mygroupid($course->id);
if (!((empty($mygroupid) and $discussion->groupid == -1) || ismember($discussion->groupid) || has_capability('moodle/site:accessallgroups', $modcontext, NULL, false))) {
print_error('nopostdiscussion', 'forum');
}
}
if (!$cm->visible and !has_capability('moodle/course:manageactivities', $coursecontext)) {
error(get_string("activityiscurrentlyhidden"));
}
// Load up the $post variable.
$post = new object();
$post->course = $course->id;
$post->forum = $forum->id;
$post->discussion = $parent->discussion;
$post->parent = $parent->id;
$post->subject = $parent->subject;
$post->userid = $USER->id;
} else {
array_unshift($learningtable->head, $strsection);
}
array_unshift($learningtable->align, "center");
if ($learningforums) {
$currentsection = "";
foreach ($learningforums as $key => $forum) {
$forum->visible = instance_is_visible("forum", $forum) || has_capability('moodle/course:view', $coursecontext);
$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
if (!groups_course_module_visible($cm)) {
continue;
}
$currentgroup = groups_get_activity_group($cm);
$groupmode = groups_get_activity_groupmode($cm);
$cantaccessagroup = $groupmode and !has_capability('moodle/site:accessallgroups', $context) and !mygroupid($course->id);
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
$count = count_records("forum_discussions", "forum", "{$forum->id}", "groupid", $currentgroup);
} else {
$count = count_records("forum_discussions", "forum", "{$forum->id}");
}
if ($usetracking) {
if ($forum->trackingtype == FORUM_TRACKING_ON || !isset($untracked[$forum->id])) {
$groupid = $groupmode == SEPARATEGROUPS && !has_capability('moodle/site:accessallgroups', $context) ? $currentgroup : false;
$unread = forum_tp_count_forum_unread_posts($USER->id, $forum->id, $groupid);
if ($unread > 0) {
$unreadlink = '<span class="unread"><a href="view.php?f=' . $forum->id . '">' . $unread . '</a>';
$unreadlink .= '<a title="' . $strmarkallread . '" href="markposts.php?f=' . $forum->id . '&mark=read"><img src="' . $CFG->pixpath . '/t/clear.gif" alt="' . $strmarkallread . '" /></a></span>';
} else {
$unreadlink = '<span class="read"><a href="view.php?f=' . $forum->id . '">' . $unread . '</a></span>';
}
/**
* Gets the current group - either from the session variable or from the database.
*
* @deprecated Since year 2006 - please do not use this function any more.
* @todo MDL-50273 This will be deleted in Moodle 3.2.
*
* @global object
* @param int $courseid The course being examined - relates to id field in
* 'course' table.
* @param bool $full If true, the return value is a full record object.
* If false, just the id of the record.
* @return int|bool
*/
function get_current_group($courseid, $full = false)
{
global $SESSION;
debugging('get_current_group() is deprecated, please use groups_get_* instead', DEBUG_DEVELOPER);
if (isset($SESSION->currentgroup[$courseid])) {
if ($full) {
return groups_get_group($SESSION->currentgroup[$courseid]);
} else {
return $SESSION->currentgroup[$courseid];
}
}
$mygroupid = mygroupid($courseid);
if (is_array($mygroupid)) {
$mygroupid = array_shift($mygroupid);
set_current_group($courseid, $mygroupid);
if ($full) {
return groups_get_group($mygroupid);
} else {
return $mygroupid;
}
}
if ($full) {
return false;
} else {
return 0;
}
}
function get_feedback_groupid($course, $cm)
{
$groupmode = groupmode($course, $cm);
//get groupid
if ($groupmode > 0 && !isadmin()) {
return mygroupid($course->id);
} else {
return false;
}
}
function wiki_user_can_access_teacher_wiki(&$wiki, $groupid, &$course)
{
global $USER;
/// Get the groupmode. It's been added to the wiki object.
$groupmode = groups_get_activity_groupmode($wiki);
/// A user can access a teacher wiki, if:
/// - group mode is NOGROUPS,
/// - group mode is VISIBLEGROUPS,
/// - group mode is SEPARATEGROUPS, and they are a member of the requested group,
/// - they are a teacher or administrator,
if ($groupmode == NOGROUPS or $groupmode == VISIBLEGROUPS or $groupmode == SEPARATEGROUPS and @in_array($groupid, mygroupid($course->id)) or wiki_is_teacher($wiki, $USER->id)) {
$can_access = true;
} else {
$can_access = false;
}
return $can_access;
}
/**
* Given a course and a date, prints a summary of all the new
* messages posted in the course since that date
*/
function forum_print_recent_activity($course, $isteacher, $timestart)
{
global $CFG;
$LIKE = sql_ilike();
$heading = false;
$content = false;
if (!($logs = get_records_select('log', 'time > \'' . $timestart . '\' AND ' . 'course = \'' . $course->id . '\' AND ' . 'module = \'forum\' AND ' . 'action ' . $LIKE . ' \'add %\' ', 'time ASC'))) {
return false;
}
$strftimerecent = get_string('strftimerecent');
$mygroupid = mygroupid($course->id);
$groupmode = array();
// To cache group modes
$count = 0;
foreach ($logs as $log) {
//Get post info, I'll need it later
if ($post = forum_get_post_from_log($log)) {
//Create a temp valid module structure (course,id)
$tempmod = new object();
$tempmod->course = $log->course;
$tempmod->id = $post->forum;
//Obtain the visible property from the instance
$coursecontext = get_context_instance(CONTEXT_COURSE, $tempmod->course);
$modvisible = instance_is_visible('forum', $tempmod) || has_capability('moodle/course:viewhiddenactivities', $coursecontext);
}
//Only if the post exists and mod is visible
if ($post && $modvisible) {
if (!isset($cm[$post->forum])) {
$cm[$post->forum] = get_coursemodule_from_instance('forum', $post->forum, $course->id);
}
$modcontext = get_context_instance(CONTEXT_MODULE, $cm[$post->forum]->id);
// Check whether this is belongs to a discussion in a group that
// should NOT be accessible to the current user
if (!has_capability('moodle/site:accessallgroups', $modcontext) && $post->groupid != -1) {
// Open discussions have groupid -1
$groupmode[$post->forum] = groups_get_activity_groupmode($cm[$post->forum]);
if ($groupmode[$post->forum]) {
//hope i didn't break anything
if (!@in_array($mygroupid, $post->groupid)) {
continue;
}
}
}
if (!$heading) {
print_headline(get_string('newforumposts', 'forum') . ':', 3);
$heading = true;
$content = true;
}
$date = userdate($post->modified, $strftimerecent);
$subjectclass = $log->action == 'add discussion' ? ' bold' : '';
//Accessibility: markup as a list.
if ($count < 1) {
echo "\n<ul class='unlist'>\n";
}
$count++;
echo '<li><div class="head">' . '<div class="date">' . $date . '</div>' . '<div class="name">' . fullname($post, has_capability('moodle/site:viewfullnames', $coursecontext)) . '</div>' . '</div>';
echo '<div class="info' . $subjectclass . '">';
echo '"<a href="' . $CFG->wwwroot . '/mod/forum/' . str_replace('&', '&', $log->url) . '">';
$post->subject = break_up_long_words(format_string($post->subject, true));
echo $post->subject;
echo "</a>\"</div></li>\n";
}
}
echo "</ul>\n";
return $content;
}
} else {
$cm->id = 0;
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
}
if ($user) {
if (!has_capability('mod/forum:managesubscriptions', $context)) {
error('You do not have the permission to subscribe/unsubscribe other people!');
}
if (!($user = get_record("user", "id", $user))) {
error("User ID was incorrect");
}
} else {
$user = $USER;
}
if (groupmode($course, $cm) and !forum_is_subscribed($user->id, $forum->id) and !has_capability('moodle/site:accessallgroups', $context)) {
if (!mygroupid($course->id)) {
error('Sorry, but you must be a group member to subscribe.');
}
}
require_login($course->id, false, $cm);
if (isguest()) {
// Guests can't subscribe
$wwwroot = $CFG->wwwroot . '/login/index.php';
if (!empty($CFG->loginhttps)) {
$wwwroot = str_replace('http:', 'https:', $wwwroot);
}
$navigation = build_navigation('', $cm);
print_header($course->shortname, $course->fullname, $navigation, '', '', true, "", user_login_string($course) . '<hr style="width:95%">' . navmenu($course, $cm));
notice_yesno(get_string('noguestsubscribe', 'forum') . '<br /><br />' . get_string('liketologin'), $wwwroot, $_SERVER['HTTP_REFERER']);
print_footer($course);
exit;