basket.php

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<?php

class Basket extends oxUBase
{
    protected $_sThisTemplate = 'basket.tpl';

    protected $_sThisAltTemplate = 'content.tpl';

    protected $_blIsOrderStep = true;

    protected $_oBasketArticles = null;

    protected $_oSimilarList = null;

    protected $_oRecommList = null;

    protected $_oFirstBasketProduct = null;

    protected $_iViewIndexState = VIEW_INDEXSTATE_NOINDEXNOFOLLOW;

    public function render()
    {
        if ($this->getConfig()->getConfigParam( 'blPsBasketReservationEnabled' )) {
            $this->getSession()->getBasketReservations()->renewExpiration();
        }

        parent::render();

        // checks if current http client is SE and skips basket preview on success
        if ( oxUtils::getInstance()->isSearchEngine() ) {
            return $this->_sThisTemplate = $this->_sThisAltTemplate;
        }

        //for older templates
        $this->_aViewData['basketitemlist']    = $this->getBasketArticles();
        $this->_aViewData['basketsimilarlist'] = $this->getBasketSimilarList();
        $this->_aViewData['similarrecommlist'] = $this->getSimilarRecommLists();
        $this->_aViewData['showbacktoshop']    = $this->showBackToShop();


        return $this->_sThisTemplate;
    }

    public function getBasketArticles()
    {
        if ( $this->_oBasketArticles === null) {
            $this->_oBasketArticles = false;

            // passing basket articles
            if ( $oBasket = $this->getSession()->getBasket() ) {
                $this->_oBasketArticles = $oBasket->getBasketArticles();
            }
        }
        return $this->_oBasketArticles;
    }

    public function getFirstBasketProduct()
    {
        if ( $this->_oFirstBasketProduct === null ) {
            $this->_oFirstBasketProduct = false;

            $aBasketArticles = $this->getBasketArticles();
            if ( is_array( $aBasketArticles ) && $oProduct = reset( $aBasketArticles ) ) {
                $this->_oFirstBasketProduct = $oProduct;
            }
        }
        return $this->_oFirstBasketProduct;
    }

    public function getBasketSimilarList()
    {
        if ( $this->_oSimilarList === null) {
            $this->_oSimilarList = false;

            // similar product info
            if ( $oProduct = $this->getFirstBasketProduct() ) {
                $this->_oSimilarList = $oProduct->getSimilarProducts();
            }
        }
        return $this->_oSimilarList;
    }

    public function getSimilarRecommLists()
    {
        if (!$this->getViewConfig()->getShowListmania()) {
            return false;
        }

        if ( $this->_oRecommList === null) {
            $this->_oRecommList = false;

            if ( $oProduct = $this->getFirstBasketProduct() ) {
                $oRecommList = oxNew('oxrecommlist');
                $this->_oRecommList = $oRecommList->getRecommListsByIds( array( $oProduct->getId() ) );
            }
        }
        return $this->_oRecommList;
    }

    public function showBackToShop()
    {
        return ( $this->getConfig()->getConfigParam( 'iNewBasketItemMessage' ) == 3 && oxSession::hasVar( '_backtoshop' ) );
    }

    public function addVoucher()
    {
        if (!$this->getViewConfig()->getShowVouchers()) {
            return;
        }

        $oBasket = $this->getSession()->getBasket();
        $oBasket->addVoucher( oxConfig::getParameter( 'voucherNr' ) );
    }

    public function removeVoucher()
    {
        if (!$this->getViewConfig()->getShowVouchers()) {
            return;
        }

        $oBasket = $this->getSession()->getBasket();
        $oBasket->removeVoucher( oxConfig::getParameter( 'voucherId' ) );
    }

    public function backToShop()
    {
        if ( $this->getConfig()->getConfigParam( 'iNewBasketItemMessage' ) == 3 ) {
            if ( $sBackLink = oxSession::getVar( '_backtoshop' ) ) {
                oxSession::deleteVar( '_backtoshop' );
                return $sBackLink;
            }
        }
    }

    public function getErrorDestination()
    {
        return 'basket';
    }
}