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<?php
class ChatBufferRecord extends TActiveRecord
{
public $id;
public $for_user;
public $from_user;
public $message;
private $_created_on;
public static $_tablename='chat_buffer';
public function getCreated_On()
{
if($this->_created_on === null)
$this->_created_on = time();
return $this->_created_on;
}
public function setCreated_On($value)
{
$this->_created_on = $value;
}
public static function finder($className=__CLASS__)
{
return parent::finder($className);
}
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;
$user->save();
}
}
}
public function getUserMessages($user)
{
$content = '';
foreach($this->findAll('for_user = ?', $user) as $message)
$content .= $this->formatMessage($message);
$this->deleteAll('for_user = ? OR created_on < ?', $user, time() - 300); //5 min inactivity
return $content;
}
protected function formatMessage($message)
{
$user = htmlspecialchars($message->from_user);
$content = htmlspecialchars($message->message);
return "<div class=\"message\"><strong>{$user}:</strong> <span>{$content}</span></div>";
}
}
?>
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