cleanpath/OfferRetriever.class.php

<?php

class OfferRetriever
{

	public static function getInstance()
	{
		return new OfferRetriever(Persistence::getInstance());
	}
	private $persistence;

	public function __construct(Persistence $persistence)
	{
		$this->persistence = $persistence;
	}

	public function getPageData($offerId, $page)
	{
		$result = $this->persistence->getOfferPathPage($offerId, $page);
		if($result == null)
		{
			$result = array("filename" => "templateDoesNotExist.html");
		}
		return $result;
	}
}