public function saveMessage()
{
foreach (ChatUserRecord::finder()->findAll() as $user) {
$message = new self();
$message->for_user = $user->username;
$message->from_user = $this->from_user;
$message->message = $this->message;
$message->save();
if ($user->username == $this->from_user) {
$user->last_activity = time();
//update the last activity;
$user->save();
}
}
}
function refresh($sender, $param)
{
//refresh the message list
$content = ChatBufferRecord::finder()->getUserMessages($this->Application->User->Name);
if (strlen($content) > 0) {
$client = $this->Page->CallbackClient;
$anchor = (string) time();
$content .= "<a href=\"#\" id=\"{$anchor}\"> </a>";
$client->appendContent("messages", $content);
$client->focus($anchor);
}
//refresh the user list
$lastUpdate = $this->getViewState('userList', '');
$users = ChatUserRecord::finder()->getUserList();
if ($lastUpdate != $users) {
$this->Page->CallbackClient->update('users', $users);
$this->setViewstate('userList', $users);
}
}
/**
* @return boolean true if username already exists, false otherwise.
*/
public function usernameExists($username)
{
return ChatUserRecord::finder()->findByUsername($username) instanceof ChatUserRecord;
}
