public function voteUp($user_id)
{
$user = sfGuardUserProfilePeer::retrieveByUserId($user_id);
if ($user == null) {
return false;
}
$this->setPoints($this->getPoints() + $user->getUserVotingPoints());
$this->save();
if ($this->getPoints() > sfConfig::get('app_project_application_approval_threshold')) {
$this->CommunityApprove();
}
}