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require_once('../../../config.php');
require_once('../lib.php');
$id = required_param('id', PARAM_INT);
$groupid = optional_param('groupid', 0, PARAM_INT); // Only for teachers.
$url = new moodle_url('/mod/chat/gui_header_js/index.php', array('id' => $id));
if ($groupid !== 0) {
$url->param('groupid', $groupid);
}
$PAGE->set_url($url);
if (!$chat = $DB->get_record('chat', array('id' => $id))) {
throw new \moodle_exception('invalidid', 'chat');
}
if (!$course = $DB->get_record('course', array('id' => $chat->course))) {
throw new \moodle_exception('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
throw new \moodle_exception('invalidcoursemodule');
}
$context = context_module::instance($cm->id);
require_login($course, false, $cm);
require_capability('mod/chat:chat', $context);
// Check to see if groups are being used here.
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used.
if ($groupid = groups_get_activity_group($cm)) {
if (!$group = groups_get_group($groupid)) {
throw new \moodle_exception('invalidgroupid');
}
$groupname = ': '.$group->name;
} else {
$groupname = ': '.get_string('allparticipants');
}
} else {
$groupid = 0;
$groupname = '';
}
$strchat = get_string('modulename', 'chat'); // Must be before current_language() in chat_login_user() to force course language!
if (!$chatsid = chat_login_user($chat->id, 'header_js', $groupid, $course)) {
throw new \moodle_exception('cantlogin', 'chat');
}
$params = "chat_id=$id&chat_sid={$chatsid}";
// Fallback to the old jsupdate, but allow other update modes.
$updatemode = 'jsupdate';
if (!empty($CFG->chat_normal_updatemode)) {
$updatemode = $CFG->chat_normal_updatemode;
}
$courseshortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
?>
<?php echo "$strchat: " . $courseshortname . ": ".
format_string($chat->name, true, array('context' => $context)) . "$groupname" ?>
<![CDATA[
Sorry, this version of Moodle Chat needs a browser that handles frames.
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