/**
* Update the conversation's last activity timestamp
*
* @return void
*/
public function updateLastActivity()
{
$this->last_activity = TimeDate::now();
$this->update('last_activity', $this->last_activity->toMysql());
}
/**
* Set the timestamp of the match
*
* @param mixed The match's new timestamp
* @return $this
*/
public function setTimestamp($timestamp)
{
$this->timestamp = TimeDate::from($timestamp);
$this->update("timestamp", $this->timestamp->toMysql(), "s");
return $this;
}