private function setFirstAndLastClick(Pap_Common_Transaction $transaction, $contextUserId) {
$firstAffiliate = $this->visitorAffiliateCollection->getValid(0);
$lastAffiliate = $this->visitorAffiliateCollection->getValid($this->visitorAffiliateCollection->getValidSize()-1);
try{
$visitorAffiliate = $this->visitorAffiliateCollection->getVisitorAffiliateByUserId($contextUserId);
$transaction->setRefererUrl($visitorAffiliate->getReferrerUrl());
} catch(Gpf_Exception $e){
$context->debug($e->getMessage());
$transaction->setRefererUrl($this->_('Unknown'));
}
$this->setFirstClickData($transaction,$firstAffiliate);
if ($firstAffiliate->getUserId() == $contextUserId){
$transaction->setAllowFirstClickData(Gpf::YES);
} else{
$transaction->setAllowFirstClickData(Gpf::NO);
}
$this->setLastClickData($transaction,$lastAffiliate);
if ($lastAffiliate->getUserId() == $contextUserId){
$transaction->setAllowLastClickData(Gpf::YES);
} else{
$transaction->setAllowLastClickData(Gpf::NO);
}
}
