$direction = optional_param('direction', 'DESC', PARAM_ALPHA);
$searchtext = optional_param('searchtext', '', PARAM_NOTAGS);
list($totalmessages, $messages) = $mailbox->get_message_headers($label, $start, $sort, $direction, $searchtext);
$data = new stdClass();
$data->pagesize = $mailbox->pagesize;
$data->total = $totalmessages;
$data->start = $start;
$data->sort = $sort;
$data->direction = $direction;
$data->messages = $messages;
break;
case 'get_message':
case 'get_message_sent':
$messageid = required_param('messageid', PARAM_INT);
if ($action == 'get_message') {
$data = $mailbox->get_message($messageid);
} else {
$data = $mailbox->get_message_sent($messageid);
}
break;
case 'send_message':
case 'save_message':
$messageid = optional_param('messageid', 0, PARAM_INT);
$to = required_param('to', PARAM_SEQUENCE);
$cc = optional_param('cc', '', PARAM_SEQUENCE);
$bcc = optional_param('bcc', '', PARAM_SEQUENCE);
$subject = required_param('subject', PARAM_TEXT);
$body = optional_param('body', '', PARAM_RAW);
$attachments = optional_param('attachments', '', PARAM_INT);
$editoritemid = optional_param('editoritemid', '', PARAM_INT);
$timesent = 0;
