get_record('chat', array('id'=>$id))) {
print_error('invalidid', 'chat');
}
if (!$course = $DB->get_record('course', array('id'=>$chat->course))) {
print_error('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance('chat', $chat->id, $course->id)) {
print_error('invalidcoursemodule');
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_login($course->id, false, $cm);
require_capability('mod/chat:chat',$context);
if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_MODULE, $cm->id)))
{
print_header();
notice(get_string("activityiscurrentlyhidden"));
}
/// Check to see if groups are being used here
if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used
if ($groupid = groups_get_activity_group($cm)) {
if (!$group = groups_get_group($groupid, false)) {
print_error('invalidgroupid');
}
$groupname = ': '.$group->name;
} else {
$groupname = ': '.get_string('allparticipants');
}
} else {
$groupid = 0;
$groupname = '';
}
// login chat room
if (!$chat_sid = chat_login_user($chat->id, 'ajax', $groupid, $course)) {
print_error('cantlogin', 'chat');
}
// language string
$str_chat = get_string('modulename', 'chat'); // must be before current_language() in chat_login_user() to force course language!!!
$str_send = get_string('send', 'chat');
$str_sending = get_string('sending', 'chat');
$str_title = format_string($course->shortname) . ": ".format_string($chat->name,true).$groupname;
$str_inputarea = get_string('inputarea', 'chat');
$str_userlist = get_string('userlist', 'chat');
?>