oxbasket.php

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<?php

class oxBasket extends oxSuperCfg
{
    protected $_aBasketContents = array();

    protected $_iProductsCnt = 0;

    protected $_dItemsCnt = 0.0;

    protected $_dWeight = 0.0;

    protected $_oPrice = null;

    protected $_isCalculationModeNetto = null;

    protected $_dNettoSum = null;

    protected $_dBruttoSum = null;

    protected $_oProductsPriceList = null;

    protected $_aDiscounts = array();

    protected $_aItemDiscounts = array();

    protected $_sOrderId = null;

    protected $_aVouchers = array();

    protected $_aCosts = array();

    protected $_oDiscountProductsPriceList = null;

    protected $_oNotDiscountedProductsPriceList = null;

    protected $_blUpdateNeeded = true;

    protected $_aBasketSummary = null;

    protected $_sPaymentId = null;

    protected $_sShippingSetId = null;

    protected $_oUser = null;

    protected $_oTotalDiscount = null;

    protected $_oVoucherDiscount = null;

    protected $_oCurrency = null;

    protected $_blSkipVouchersAvailabilityChecking = null;

    protected $_dDiscountedProductNettoPrice = null;

    protected $_aDiscountedVats = null;

    protected $_blSkipDiscounts = false;

    protected $_oDeliveryPrice = null;

     protected $_blCheckStock = true;

    protected $_blCalcDiscounts = true;

    protected $_sBasketCategoryId = null;

    protected $_blShowCatChangeWarning = false;

    protected $_sTsProductId = null;

    protected $_blNewITemAdded = null;

    protected $_blDownloadableProducts = null;


    public function isCalculationModeNetto()
    {
        if ( $this->_isCalculationModeNetto === null ) {
            $this->setCalculationModeNetto( $this->isPriceViewModeNetto() );
        }

        return $this->_isCalculationModeNetto;
    }

    public function setCalculationModeNetto( $blNettoMode = true )
    {
        $this->_isCalculationModeNetto = (bool) $blNettoMode;
    }

    public function getNettoSum()
    {
        return $this->_dNettoSum;
    }

    public function getBruttoSum()
    {
        return $this->_dBruttoSum;
    }

    public function setNettoSum( $dNettoSum )
    {
        $this->_dNettoSum = $dNettoSum;
    }

    public function setBruttoSum( $dBruttoSum )
    {
        $this->_dBruttoSum = $dBruttoSum;
    }

    public function isEnabled()
    {
        return !oxRegistry::getUtils()->isSearchEngine();
    }

    protected function _changeBasketItemKey($sOldKey, $sNewKey, $value = null)
    {
        reset($this->_aBasketContents);
        $iOldKeyPlace = 0;
        while (key($this->_aBasketContents) != $sOldKey && next($this->_aBasketContents)) {
            ++$iOldKeyPlace;
        }
        $aNewCopy = array_merge(
            array_slice($this->_aBasketContents, 0, $iOldKeyPlace, true),
            array($sNewKey => $value),
            array_slice($this->_aBasketContents, $iOldKeyPlace+1, count($this->_aBasketContents)-$iOldKeyPlace, true)
        );
        $this->_aBasketContents = $aNewCopy;
    }

    public function addToBasket( $sProductID, $dAmount, $aSel = null, $aPersParam = null, $blOverride = false, $blBundle = false, $sOldBasketItemId = null )
    {
        // enabled ?
        if ( !$this->isEnabled() )
            return null;

        // basket exclude
        if ( $this->getConfig()->getConfigParam( 'blBasketExcludeEnabled' ) ) {
            if ( !$this->canAddProductToBasket( $sProductID ) ) {
                $this->setCatChangeWarningState( true );
                return null;
            } else {
                $this->setCatChangeWarningState( false );
            }
        }

        $sItemId = $this->getItemKey( $sProductID, $aSel, $aPersParam, $blBundle );
        if ( $sOldBasketItemId && ( strcmp( $sOldBasketItemId, $sItemId ) != 0 ) ) {
            if ( isset( $this->_aBasketContents[$sItemId] ) ) {
                // we are merging, so params will just go to the new key
                unset( $this->_aBasketContents[$sOldBasketItemId] );
                // do not override stock
                $blOverride = false;
            } else {
                // value is null - means isset will fail and real values will be filled
                $this->_changeBasketItemKey( $sOldBasketItemId, $sItemId );
            }
        }

        // after some checks item must be removed from basket
        $blRemoveItem = false;

        // initialting exception storage
        $oEx = null;

        if ( isset( $this->_aBasketContents[$sItemId] ) ) {

            //updating existing
            try {
                // setting stock check status
                $this->_aBasketContents[$sItemId]->setStockCheckStatus( $this->getStockCheckMode() );
                //validate amount
                //possibly throws exception
                $this->_aBasketContents[$sItemId]->setAmount( $dAmount, $blOverride, $sItemId );
            } catch( oxOutOfStockException $oEx ) {
                // rethrow later
            }

        } else {
            //inserting new
            $oBasketItem = oxNew( 'oxbasketitem' );
            try {
                $oBasketItem->setStockCheckStatus( $this->getStockCheckMode() );
                $oBasketItem->init( $sProductID, $dAmount, $aSel, $aPersParam, $blBundle );
            } catch( oxNoArticleException $oEx ) {
                // in this case that the article does not exist remove the item from the basket by setting its amount to 0
                //$oBasketItem->dAmount = 0;
                $blRemoveItem = true;

            } catch( oxOutOfStockException $oEx ) {
                // rethrow later
            } catch ( oxArticleInputException $oEx ) {
                // rethrow later
                $blRemoveItem = true;
            }

            $this->_aBasketContents[$sItemId] = $oBasketItem;
        }

        //in case amount is 0 removing item
        if ( $this->_aBasketContents[$sItemId]->getAmount() == 0 || $blRemoveItem ) {
            $this->removeItem( $sItemId );
        } elseif ( $blBundle ) {
            //marking bundles
            $this->_aBasketContents[$sItemId]->setBundle( true );
        }

        //calling update method
        $this->onUpdate();

        if ( $oEx ) {
            throw $oEx;
        }

        // notifying that new basket item was added
        if (!$blBundle) {
            $this->_addedNewItem( $sProductID, $dAmount, $aSel, $aPersParam, $blOverride, $blBundle, $sOldBasketItemId );
        }

        // returning basket item object
        return $this->_aBasketContents[$sItemId];
    }

    public function addOrderArticleToBasket( $oOrderArticle )
    {
        // adding only if amount > 0
        if ( $oOrderArticle->oxorderarticles__oxamount->value > 0 && !$oOrderArticle->isBundle() ) {

            $this->_isForOrderRecalculation = true;
            $sItemId = $oOrderArticle->getId();

            //inserting new
            $this->_aBasketContents[$sItemId] = oxNew( 'oxbasketitem' );
            $this->_aBasketContents[$sItemId]->initFromOrderArticle( $oOrderArticle );
            $this->_aBasketContents[$sItemId]->setWrapping( $oOrderArticle->oxorderarticles__oxwrapid->value );
            $this->_aBasketContents[$sItemId]->setBundle( $oOrderArticle->isBundle() );

            //calling update method
            $this->onUpdate();

            return $this->_aBasketContents[$sItemId];
        } elseif ( $oOrderArticle->isBundle() ) {
            // deleting bundles, they are handled automatically
            $oOrderArticle->delete();
        }
    }

    public function setStockCheckMode( $blCheck )
    {
        $this->_blCheckStock = $blCheck;
    }

    public function getStockCheckMode()
    {
        return $this->_blCheckStock;
    }

    public function getItemKey( $sProductId, $aSel = null, $aPersParam = null, $blBundle = false, $sAdditionalParam = '' )
    {
        $aSel = ( $aSel != null) ? $aSel : array (0=>'0');

        $sItemKey = md5( $sProductId.'|'.serialize( $aSel ).'|'.serialize( $aPersParam ).'|'.( int ) $blBundle . '|' . serialize( $sAdditionalParam ) );

        return $sItemKey;
    }


    public function removeItem( $sItemKey )
    {
        if ($this->getConfig()->getConfigParam( 'blPsBasketReservationEnabled' )) {
            if (isset($this->_aBasketContents[$sItemKey])) {
                $sArticleId = $this->_aBasketContents[$sItemKey]->getProductId();
                if ($sArticleId) {
                    $this->getSession()
                            ->getBasketReservations()
                            ->discardArticleReservation($sArticleId);
                }
            }
        }
        unset( $this->_aBasketContents[$sItemKey] );

        // basket exclude
        if ( !count($this->_aBasketContents) && $this->getConfig()->getConfigParam( 'blBasketExcludeEnabled' ) ) {
            $this->setBasketRootCatId(null);
        }
    }

    protected function _clearBundles()
    {
        reset( $this->_aBasketContents );
        while ( list( $sItemKey, $oBasketItem ) = each( $this->_aBasketContents ) ) {
            if ( $oBasketItem->isBundle() ) {
                $this->removeItem( $sItemKey );
            }
        }
    }

    protected function _getArticleBundles( $oBasketItem )
    {
        $aBundles = array();

        if ( $oBasketItem->isBundle() ) {
            return $aBundles;
        }

        $oArticle = $oBasketItem->getArticle( true );
        if ( $oArticle && $oArticle->oxarticles__oxbundleid->value ) {
            $aBundles[$oArticle->oxarticles__oxbundleid->value] = 1;
        }

        return $aBundles;
    }

    protected function _getItemBundles( $oBasketItem, $aBundles = array() )
    {
        if ( $oBasketItem->isBundle() ) {
            return array();
        }

        // does this object still exists ?
        if ( $oArticle = $oBasketItem->getArticle() ) {
            $aDiscounts = oxRegistry::get("oxDiscountList")->getBasketItemBundleDiscounts( $oArticle, $this, $this->getBasketUser() );

            foreach ( $aDiscounts as $oDiscount ) {

                $iAmnt = $oDiscount->getBundleAmount( $oBasketItem->getAmount() );
                if ( $iAmnt ) {
                    //init array element
                    if ( !isset( $aBundles[$oDiscount->oxdiscount__oxitmartid->value] ) ) {
                        $aBundles[$oDiscount->oxdiscount__oxitmartid->value] = 0;
                    }

                    if ($oDiscount->oxdiscount__oxitmmultiple->value) {
                        $aBundles[$oDiscount->oxdiscount__oxitmartid->value] += $iAmnt;
                    } else {
                        $aBundles[$oDiscount->oxdiscount__oxitmartid->value] = $iAmnt;
                    }
                }
            }
        }

        return $aBundles;
    }

    protected function _getBasketBundles( $aBundles = array() )
    {
        $aDiscounts = oxRegistry::get("oxDiscountList")->getBasketBundleDiscounts( $this, $this->getBasketUser() );

        // calculating amount of non bundled/discount items
        $dAmount = 0;
        foreach ( $this->_aBasketContents as $oBasketItem ) {
            if ( !( $oBasketItem->isBundle() || $oBasketItem->isDiscountArticle() ) ) {
                $dAmount += $oBasketItem->getAmount();
            }
        }

        foreach ( $aDiscounts as $oDiscount ) {
            if ($oDiscount->oxdiscount__oxitmartid->value) {
                if ( !isset( $aBundles[$oDiscount->oxdiscount__oxitmartid->value] ) ) {
                    $aBundles[$oDiscount->oxdiscount__oxitmartid->value] = 0;
                }

                $aBundles[$oDiscount->oxdiscount__oxitmartid->value] += $oDiscount->getBundleAmount( $dAmount );
            }
        }

        return $aBundles;
    }

    protected function _addBundles()
    {
        $aBundles = array();
        // iterating through articles and binding bundles
        foreach ( $this->_aBasketContents as $key => $oBasketItem ) {
            try {
                // adding discount type bundles
                if ( !$oBasketItem->isDiscountArticle() && !$oBasketItem->isBundle() ) {
                    $aBundles = $this->_getItemBundles( $oBasketItem, $aBundles );
                } else {
                    continue;
                }

                    // adding item type bundles
                    $aArtBundles = $this->_getArticleBundles( $oBasketItem );

                    // adding bundles to basket
                    $this->_addBundlesToBasket( $aArtBundles );
            } catch ( oxNoArticleException $oEx ) {
                $this->removeItem( $key );
                oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx );
            } catch( oxArticleInputException $oEx ) {
                $this->removeItem( $key );
                oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx );
            }
        }

        // adding global basket bundles
        $aBundles = $this->_getBasketBundles( $aBundles );

        // adding all bundles to basket
        if ( $aBundles ) {
            $this->_addBundlesToBasket( $aBundles );
        }
    }

    protected function _addBundlesToBasket( $aBundles )
    {
        foreach ( $aBundles as $sBundleId => $dAmount ) {
            if ( $dAmount ) {
                try {
                    if ( $oBundleItem = $this->addToBasket( $sBundleId, $dAmount, null, null, false, true ) ) {
                        $oBundleItem->setAsDiscountArticle( true );
                    }
                } catch(oxArticleException $oEx) {
                    // caught and ignored
                }
            }
        }

    }

    protected function _calcItemsPrice()
    {
        // resetting
        $this->setSkipDiscounts( false );
        $this->_iProductsCnt = 0; // count different types
        $this->_dItemsCnt    = 0; // count of item units
        $this->_dWeight      = 0; // basket weight

        $this->_oProductsPriceList = oxNew( 'oxpricelist' );
        $this->_oDiscountProductsPriceList = oxNew( 'oxpricelist' );
        $this->_oNotDiscountedProductsPriceList = oxNew( 'oxpricelist' );

        $oDiscountList = oxRegistry::get("oxDiscountList");

        foreach ( $this->_aBasketContents as $oBasketItem ) {
            $this->_iProductsCnt++;
            $this->_dItemsCnt += $oBasketItem->getAmount();
            $this->_dWeight   += $oBasketItem->getWeight();

            if ( !$oBasketItem->isDiscountArticle() && ( $oArticle = $oBasketItem->getArticle( true ) ) ) {

                $oBasketPrice = $oArticle->getBasketPrice( $oBasketItem->getAmount(), $oBasketItem->getSelList(), $this );
                $oBasketItem->setRegularUnitPrice( clone $oBasketPrice );

                if ( !$oArticle->skipDiscounts() && $this->canCalcDiscounts() ) {
                    // apply basket type discounts for item
                    $aDiscounts = $oDiscountList->getBasketItemDiscounts( $oArticle, $this, $this->getBasketUser() );
                    reset( $aDiscounts );
                    foreach ( $aDiscounts as $oDiscount ) {
                        $oBasketPrice->setDiscount($oDiscount->getAddSum(), $oDiscount->getAddSumType());
                    }
                    $oBasketPrice->calculateDiscount();
                } else {
                    $oBasketItem->setSkipDiscounts( true );
                    $this->setSkipDiscounts( true );
                }

                $oBasketItem->setPrice( $oBasketPrice );
                $this->_oProductsPriceList->addToPriceList( $oBasketItem->getPrice() );

                //P collect discount values for basket items which are discountable
                if ( !$oArticle->skipDiscounts() ) {

                    $this->_oDiscountProductsPriceList->addToPriceList( $oBasketItem->getPrice() );
                } else {
                    $this->_oNotDiscountedProductsPriceList->addToPriceList( $oBasketItem->getPrice() );
                    $oBasketItem->setSkipDiscounts( true );
                    $this->setSkipDiscounts( true );
                }
            } elseif ( $oBasketItem->isBundle() ) {
                // if bundles price is set to zero
                $oPrice = oxNew( "oxprice");
                $oBasketItem->setPrice( $oPrice );
            }
        }
    }

    public function setDiscountCalcMode( $blCalcDiscounts )
    {
        $this->_blCalcDiscounts = $blCalcDiscounts;
    }

    public function canCalcDiscounts()
    {
        return $this->_blCalcDiscounts;
    }

    protected function _mergeDiscounts( $aDiscounts, $aItemDiscounts)
    {
        foreach ( $aItemDiscounts as $sKey => $oDiscount ) {
            // add prices of the same discounts
            if ( array_key_exists ($sKey, $aDiscounts) ) {
                $aDiscounts[$sKey]->dDiscount += $oDiscount->dDiscount;
            } else {
                $aDiscounts[$sKey] = $oDiscount;
            }
        }
        return $aDiscounts;
    }

    protected function _calcDeliveryCost()
    {
        if ( $this->_oDeliveryPrice !== null ) {
            return $this->_oDeliveryPrice;
        }
        $myConfig  = $this->getConfig();
        $oDeliveryPrice = oxNew( 'oxprice' );

        if ( $this->getConfig()->getConfigParam( 'blDeliveryVatOnTop' ) ) {
            $oDeliveryPrice->setNettoPriceMode();
        } else {
            $oDeliveryPrice->setBruttoPriceMode();
        }

        // don't calculate if not logged in
        $oUser = $this->getBasketUser();

        if ( !$oUser && !$myConfig->getConfigParam( 'blCalculateDelCostIfNotLoggedIn' ) ) {
            return $oDeliveryPrice;
        }

        // VAT for delivery will be calculated always (#3757)
        // blCalcVATForDelivery option is @deprecated since 2012-03-23 in version 4.6
        // the option blShowVATForDelivery will be used only for displaying
        $fDelVATPercent = 0;
        $fDelVATPercent = $this->getAdditionalServicesVatPercent();
        $oDeliveryPrice->setVat( $fDelVATPercent );

        // list of active delivery costs
        if ( $myConfig->getConfigParam('bl_perfLoadDelivery') ) {
            $aDeliveryList = oxRegistry::get("oxDeliveryList")->getDeliveryList( $this,
                                        $oUser,
                                        $this->_findDelivCountry(),
                                        $this->getShippingId()
                                    );

            if ( count( $aDeliveryList ) > 0 ) {
                foreach ( $aDeliveryList as $oDelivery ) {
                    //debug trace
                    if ( $myConfig->getConfigParam( 'iDebug' ) == 5 ) {
                        echo( "DelCost : ".$oDelivery->oxdelivery__oxtitle->value."<br>" );
                    }
                    $oDeliveryPrice->addPrice( $oDelivery->getDeliveryPrice( $fDelVATPercent ) );
                }
            }
        }

        return $oDeliveryPrice;
    }

    public function getBasketUser()
    {
        if ( $this->_oUser == null ) {
            return $this->getUser();
        }

        return $this->_oUser;
    }

    public function setBasketUser( $oUser )
    {
        $this->_oUser = $oUser;
    }

    //P
    public function getMostUsedVatPercent()
    {
        if ( $this->_oProductsPriceList ) {
            return $this->_oProductsPriceList->getMostUsedVatPercent();
        }
    }

    public function getAdditionalServicesVatPercent()
    {
        if ( $this->_oProductsPriceList ) {
            if ( $this->getConfig()->getConfigParam( 'sAdditionalServVATCalcMethod') == 'proportional') {
                return $this->_oProductsPriceList->getProportionalVatPercent();
            } else {
                return $this->_oProductsPriceList->getMostUsedVatPercent();
            }
        }
    }

    public function isProportionalCalculationOn()
    {
        if ( $this->getConfig()->getConfigParam( 'sAdditionalServVATCalcMethod') == 'proportional' ) {
            return true;
        }
        return false;
    }


 //P
    protected function _calcTotalPrice()
    {
        // 1. add products price
        $dprice = $this->_dBruttoSum;//$this->_oProductsPriceList->getBruttoSum();
        $this->_oPrice = oxNew( 'oxPrice' );
        $this->_oPrice->setBruttoPriceMode();
        $this->_oPrice->setPrice( $dprice );

        // 2. substract discounts
        if ( $dprice && !$this->isCalculationModeNetto() ) {

            // 2.1 applying basket item discounts
            /*foreach ( $this->_aItemDiscounts as $oDiscount ) {

                // skipping bundle discounts
                if ( $oDiscount->sType == 'itm' ) {
                    continue;
                }
                $this->_oPrice->subtract( $oDiscount->dDiscount );
            }*/

            // 2.2 applying basket discounts
            $this->_oPrice->subtract( $this->_oTotalDiscount->getBruttoPrice() );

            // 2.3 applying voucher discounts
            if ($oVoucherDisc = $this->getVoucherDiscount()) {
                $this->_oPrice->subtract( $oVoucherDisc->getBruttoPrice() );
            }
        }

        // 2.3 add delivery cost
        if ( isset( $this->_aCosts['oxdelivery'] ) ) {
            $this->_oPrice->add( $this->_aCosts['oxdelivery']->getBruttoPrice() );
        }

        // 2.4 add wrapping price
        if ( isset( $this->_aCosts['oxwrapping'] ) ) {
            $this->_oPrice->add( $this->_aCosts['oxwrapping']->getBruttoPrice() );
        }
        if ( isset( $this->_aCosts['oxgiftcard'] ) ) {
            $this->_oPrice->add( $this->_aCosts['oxgiftcard']->getBruttoPrice() );
        }

        // 2.5 add payment price
        if ( isset( $this->_aCosts['oxpayment'] ) ) {
            $this->_oPrice->add( $this->_aCosts['oxpayment']->getBruttoPrice() );
        }

        // 2.6 add TS protection price
        if ( isset( $this->_aCosts['oxtsprotection'] ) ) {
            $this->_oPrice->add( $this->_aCosts['oxtsprotection']->getBruttoPrice() );
        }

    }

    public function setVoucherDiscount( $dDiscount )
    {
        $this->_oVoucherDiscount = oxNew( 'oxPrice' );
        $this->_oVoucherDiscount->setBruttoPriceMode();
        $this->_oVoucherDiscount->add( $dDiscount );
    }

    protected function _calcVoucherDiscount()
    {
        if ( $this->getConfig()->getConfigParam( 'bl_showVouchers' ) && ($this->_oVoucherDiscount === null || ( $this->_blUpdateNeeded && !$this->isAdmin() ) ) ) {

            $this->_oVoucherDiscount = $this->_getPriceObject();

            // calculating price to apply discount
            $dPrice = $this->_oDiscountProductsPriceList->getSum( $this->isCalculationModeNetto() ) - $this->_oTotalDiscount->getPrice();

            // recalculating
            if ( count( $this->_aVouchers ) ) {
                $oLang = oxRegistry::getLang();
                foreach ( $this->_aVouchers as $sVoucherId => $oStdVoucher ) {
                    $oVoucher = oxNew( 'oxvoucher' );
                    try { // checking
                        $oVoucher->load( $oStdVoucher->sVoucherId );

                        if ( !$this->_blSkipVouchersAvailabilityChecking ) {
                            $oVoucher->checkBasketVoucherAvailability( $this->_aVouchers, $dPrice );
                            $oVoucher->checkUserAvailability( $this->getBasketUser() );
                        }

                        // assigning real voucher discount value as this is the only place where real value is calculated
                        $dVoucherdiscount = $oVoucher->getDiscountValue( $dPrice );

                        if ( $dVoucherdiscount > 0 ) {

                            if ( $oVoucher->getDiscountType() == 'absolute' ) {
                                $dVatPart = ( $dPrice - $dVoucherdiscount ) / $dPrice * 100;
                            } else {
                                $dVatPart = 100 - $oVoucher->getDiscount();
                            }

                            if ( !$this->_aDiscountedVats ) {
                                if ( $oPriceList = $this->getDiscountProductsPrice() ) {
                                    $this->_aDiscountedVats = $oPriceList->getVatInfo( $this->isCalculationModeNetto() );
                                }
                            }

                            // applay discout to vat
                            foreach ( $this->_aDiscountedVats as $sKey => $dVat ) {
                                $this->_aDiscountedVats[$sKey] = oxPrice::percent( $dVat, $dVatPart);
                            }
                        }

                        // acumulating discount value
                        $this->_oVoucherDiscount->add( $dVoucherdiscount );

                        // collecting formatted for preview
                        $oStdVoucher->fVoucherdiscount = $oLang->formatCurrency( $dVoucherdiscount, $this->getBasketCurrency() );
                        $oStdVoucher->dVoucherdiscount = $dVoucherdiscount;

                        // substracting voucher discount
                        $dPrice = $dPrice - $dVoucherdiscount;



                    } catch ( oxVoucherException $oEx ) {

                        // removing voucher on error
                        $oVoucher->unMarkAsReserved();
                        unset( $this->_aVouchers[$sVoucherId] );

                        // storing voucher error info
                        oxRegistry::get("oxUtilsView")->addErrorToDisplay($oEx, false, true);
                    }
                }
            }
        }
    }

    protected function _applyDiscounts()
    {
        $dBruttoPrice = 0;

        //apply discounts for brutto price
        $dDiscountedBruttoPrice = $this->_getDiscountedProductsSum();
        $oTotalDiscount   = $this->getTotalDiscount();
        $oVoucherDiscount = $this->getVoucherDiscount();

        $oUtils = oxRegistry::getUtils();
        $dVatSum = 0;
        foreach ( $this->_aDiscountedVats as $dVat ) {
            $dVatSum +=  $oUtils->fRound( $dVat, $this->_oCurrency);
        }

        $oNotDiscounted = $this->getNotDiscountProductsPrice();

        if ( $this->isCalculationModeNetto() ) {
            // netto view mode
            $this->setNettoSum($this->getProductsPrice()->getSum());
            $this->setBruttoSum($oNotDiscounted->getSum(false) + $dDiscountedBruttoPrice + $dVatSum);
        } else {
            // brutto view mode
            $this->setNettoSum( $oNotDiscounted->getSum() + $dDiscountedBruttoPrice - $dVatSum );
            $this->setBruttoSum( $this->getProductsPrice()->getSum(false) );
        }
    }
    public function isPriceViewModeNetto()
    {
        $blResult = (bool) $this->getConfig()->getConfigParam('blShowNetPrice');
        $oUser = $this->getBasketUser();
        if ( $oUser ) {
            $blResult = $oUser->isPriceViewModeNetto();
        }

        return $blResult;
    }

    protected function _getPriceObject()
    {
        $oPrice = oxNew( 'oxPrice' );

        if ( $this->isCalculationModeNetto() ) {
            $oPrice->setNettoPriceMode();
        } else {
            $oPrice->setBruttoPriceMode();
        }

        return $oPrice;
    }

    protected function _calcBasketDiscount()
    {
        // resetting
        $this->_aDiscounts = array();

        // P using prices sum which has discount, not sum of skipped discounts
        $dOldprice = $this->_oDiscountProductsPriceList->getSum( $this->isCalculationModeNetto() );

        // add basket discounts
        if ( $this->_oTotalDiscount !== null  && isset($this->_isForOrderRecalculation) && $this->_isForOrderRecalculation ) {
            //if total discutn was setted on order recalculation
            $oTotalPrice = $this->getTotalDiscount();
            $oDiscount = oxNew('oxDiscount');
            $oDiscount->oxdiscount__oxaddsum = new oxField( $oTotalPrice->getPrice() );
            $oDiscount->oxdiscount__oxaddsumtype = new oxField( 'abs' );
            $aDiscounts[] = $oDiscount;
        } else {
            // discounts for basket
            $aDiscounts = oxRegistry::get("oxDiscountList")->getBasketDiscounts( $this, $this->getBasketUser() );
        }

        if ( $oPriceList = $this->getDiscountProductsPrice() ) {
                $this->_aDiscountedVats = $oPriceList->getVatInfo( $this->isCalculationModeNetto() );
        }

        foreach ( $aDiscounts as $oDiscount ) {

            // storing applied discounts
            $oStdDiscount = $oDiscount->getSimpleDiscount();

            // skipping bundle discounts
            if ( $oDiscount->oxdiscount__oxaddsumtype->value == 'itm' ) {
                continue;
            }

            // saving discount info
            $oStdDiscount->dDiscount = $oDiscount->getAbsValue( $dOldprice );

            //var_dump($oDiscount->getPercentage( $dOldprice ));

            $dVatPart = 100 - $oDiscount->getPercentage( $dOldprice );

            // if discoount is more than basket sum
            if ( $dOldprice < $oStdDiscount->dDiscount ) {
                $oStdDiscount->dDiscount = $dOldprice;
                $dVatPart = 0;
            }

            // applay discout to vat
            foreach ( $this->_aDiscountedVats as $sKey => $dVat ) {
                $this->_aDiscountedVats[$sKey] = oxPrice::percent( $dVat, $dVatPart);
            }

            //storring discount
            if ($oStdDiscount->dDiscount != 0) {
                $this->_aDiscounts[$oDiscount->getId()] = $oStdDiscount;
                // substracting product price after discount
                $dOldprice = $dOldprice - $oStdDiscount->dDiscount;
            }
        }
    }

    protected function _calcBasketTotalDiscount()
    {
        if ( $this->_oTotalDiscount === null || ( !$this->isAdmin() ) ) {

            $this->_oTotalDiscount = $this->_getPriceObject();

            if ( is_array($this->_aDiscounts) ) {
                foreach ( $this->_aDiscounts as $oDiscount ) {

                    // skipping bundle discounts
                    if ( $oDiscount->sType == 'itm' ) {
                        continue;
                    }

                    // add discount value to total basket discount
                    $this->_oTotalDiscount->add( $oDiscount->dDiscount );
                }
            }
        }
    }

    protected function _calcBasketWrapping()
    {
        $oWrappingPrices = oxNew( 'oxPriceList' );

        foreach ( $this->_aBasketContents as $oBasketItem ) {

            if ( ( $oWrapping = $oBasketItem->getWrapping() ) ) {

                $oWrappingPrice = $oWrapping->getWrappingPrice( $oBasketItem->getAmount() );
                $oWrappingPrice->setVat( $oBasketItem->getPrice()->getVat() );

                $oWrappingPrices->addToPriceList( $oWrappingPrice );
            }
        }

        if ( $oWrappingPrices->getCount() ) {
            $oWrappingCost = oxNew( 'oxPrice' );
            $oWrappingCost = $oWrappingPrices->calculateToPrice();
        }

        return $oWrappingCost;
    }

    protected function _calcBasketGiftCard()
    {
        $oGiftCardPrice = oxNew( 'oxPrice' );

        if ( $this->getConfig()->getConfigParam( 'blWrappingVatOnTop' ) ) {
            $oGiftCardPrice->setNettoPriceMode();
        } else {
            $oGiftCardPrice->setBruttoPriceMode();
        }

        $dVATPercent = $this->getAdditionalServicesVatPercent();

        $oGiftCardPrice->setVat( $dVATPercent );

        // gift card price calculation
        if ( ( $oCard = $this->getCard() ) ) {
            if ($dVATPercent !== null) {
                $oCard->setWrappingVat($dVATPercent);
            }
            $oGiftCardPrice->addPrice( $oCard->getWrappingPrice() );
        }

        return $oGiftCardPrice;
    }

    protected function _calcPaymentCost()
    {
        // resetting values
        $oPaymentPrice = oxNew( 'oxPrice' );

        // payment
        if ( ( $this->_sPaymentId = $this->getPaymentId() ) ) {

            $oPayment = oxNew( 'oxpayment' );
            $oPayment->load( $this->_sPaymentId );

            $oPayment->calculate( $this );
            $oPaymentPrice = $oPayment->getPrice();
        }

        return $oPaymentPrice;
    }

    protected function _calcTsProtectionCost()
    {
        if ( ( $this->getTsProductId() ) ) {
            $oTsProtection = oxNew('oxtsprotection');
            $oTsProduct = $oTsProtection->getTsProduct( $this->getTsProductId() );
            $oProtectionPrice = $oTsProduct->getPrice();
            $oProtectionPrice->setVat( $this->getAdditionalServicesVatPercent() );
        } else {
            $oProtectionPrice = oxNew( 'oxPrice' );
        }

        return $oProtectionPrice;
    }

    public function setCost( $sCostName, $oPrice = null )
    {
        $this->_aCosts[$sCostName] = $oPrice;
    }

    public function calculateBasket( $blForceUpdate = false )
    {
        /*
        //would be good to perform the reset of previous calculation
        //at least you can use it for the debug
        $this->_aDiscounts = array();
        $this->_aItemDiscounts = array();
        $this->_oTotalDiscount = null;
        $this->_dDiscountedProductNettoPrice = 0;
        $this->_aDiscountedVats = array();
        $this->_oPrice = null;
        $this->_oNotDiscountedProductsPriceList = null;
        $this->_oProductsPriceList = null;
        $this->_oDiscountProductsPriceList = null;*/

        if ( !$this->isEnabled() ) {
            return;
        }

        if ( $blForceUpdate ) {
            $this->onUpdate();
        }

        if ( !($this->_blUpdateNeeded || $blForceUpdate) ) {
            return;
        }

        $this->_aCosts = array();

        //  1. saving basket to the database
        $this->_save();

        //  2. remove all bundles
        $this->_clearBundles();

        //  3. generate bundle items
        $this->_addBundles();

        // reserve active basket
        if ($this->getConfig()->getConfigParam( 'blPsBasketReservationEnabled' )) {
            $this->getSession()->getBasketReservations()->reserveBasket($this);
        }

        //  4. calculating item prices
        $this->_calcItemsPrice();

        //  5. calculating/applying discounts
        $this->_calcBasketDiscount();

        //  6. calculating basket total discount
        $this->_calcBasketTotalDiscount();

        //  7. check for vouchers
        $this->_calcVoucherDiscount();

        //  8. applies all discounts to pricelist
        $this->_applyDiscounts();

        //  9. calculating additional costs:
        //  9.1: delivery
        $this->setCost( 'oxdelivery', $this->_calcDeliveryCost() );

        //  9.2: adding wrapping and giftcard costs
        $this->setCost( 'oxwrapping', $this->_calcBasketWrapping() );

        $this->setCost( 'oxgiftcard', $this->_calcBasketGiftCard() );

        //  9.3: adding payment cost
        $this->setCost( 'oxpayment', $this->_calcPaymentCost() );

        //  9.4: adding TS protection cost
        $this->setCost( 'oxtsprotection', $this->_calcTsProtectionCost() );

        //  10. calculate total price
        $this->_calcTotalPrice();

        //  11. formating discounts
        $this->formatDiscount();

        //  12.setting to up-to-date status
        $this->afterUpdate();
    }

    public function onUpdate()
    {
        $this->_blUpdateNeeded = true;
    }

    public function afterUpdate()
    {
        $this->_blUpdateNeeded = false;
    }

    public function getBasketSummary()
    {
        if ( $this->_blUpdateNeeded || $this->_aBasketSummary === null ) {
            $this->_aBasketSummary = new stdclass();
            $this->_aBasketSummary->aArticles = array();
            $this->_aBasketSummary->aCategories = array();
            $this->_aBasketSummary->iArticleCount = 0;
            $this->_aBasketSummary->dArticlePrice = 0;
            $this->_aBasketSummary->dArticleDiscountablePrice = 0;
        }

        if ( !$this->isEnabled() ) {
            return $this->_aBasketSummary;
        }

        $myConfig = $this->getConfig();
        foreach ( $this->_aBasketContents as $oBasketItem ) {
            if ( !$oBasketItem->isBundle() && $oArticle = $oBasketItem->getArticle(false) ) {
                $aCatIds = $oArticle->getCategoryIds();
                //#M530 if price is not loaded for articles
                $dPrice = 0;
                $dDiscountablePrice = 0;
                if ( ( $oPrice = $oArticle->getPrice( $oBasketItem->getAmount() ) ) ) {
                    $dPrice = $oPrice->getPrice();
                    if ( !$oArticle->skipDiscounts() ) {
                        $dDiscountablePrice = $dPrice;
                    }
                }

                foreach ( $aCatIds as $sCatId ) {
                    if ( !isset( $this->_aBasketSummary->aCategories[$sCatId] ) ) {
                        $this->_aBasketSummary->aCategories[$sCatId] = new stdClass();
                    }

                    $this->_aBasketSummary->aCategories[$sCatId]->dPrice  += $dPrice * $oBasketItem->getAmount();
                    $this->_aBasketSummary->aCategories[$sCatId]->dDiscountablePrice += $dDiscountablePrice * $oBasketItem->getAmount();
                    $this->_aBasketSummary->aCategories[$sCatId]->dAmount += $oBasketItem->getAmount();
                    $this->_aBasketSummary->aCategories[$sCatId]->iCount++;
                }

                // variant handling
                if ( ($sParentId = $oArticle->getProductParentId()) && $myConfig->getConfigParam( 'blVariantParentBuyable' ) ) {
                    if ( !isset( $this->_aBasketSummary->aArticles[$sParentId] ) ) {
                        $this->_aBasketSummary->aArticles[$sParentId] = 0;
                    }
                    $this->_aBasketSummary->aArticles[$sParentId] += $oBasketItem->getAmount();
                }

                if ( !isset( $this->_aBasketSummary->aArticles[$oBasketItem->getProductId()] ) ) {
                    $this->_aBasketSummary->aArticles[$oBasketItem->getProductId()] = 0;
                }

                $this->_aBasketSummary->aArticles[$oBasketItem->getProductId()] += $oBasketItem->getAmount();
                $this->_aBasketSummary->iArticleCount += $oBasketItem->getAmount();
                $this->_aBasketSummary->dArticlePrice += $dPrice * $oBasketItem->getAmount();
                $this->_aBasketSummary->dArticleDiscountablePrice += $dDiscountablePrice * $oBasketItem->getAmount();
            }
        }
        return $this->_aBasketSummary;
    }

    public function addVoucher( $sVoucherId )
    {
        // calculating price to check
        // P using prices sum which has discount, not sum of skipped discounts
        $dPrice = 0;
        if ( $this->_oDiscountProductsPriceList ) {
            $dPrice = $this->_oDiscountProductsPriceList->getSum( $this->isCalculationModeNetto() );
        }

        try { // trying to load voucher and apply it

            $oVoucher = oxNew( 'oxvoucher' );

            if ( !$this->_blSkipVouchersAvailabilityChecking ) {
                $oVoucher->getVoucherByNr( $sVoucherId, $this->_aVouchers, true );
                $oVoucher->checkVoucherAvailability( $this->_aVouchers, $dPrice );
                $oVoucher->checkUserAvailability( $this->getBasketUser() );
                $oVoucher->markAsReserved();
            } else {
                $oVoucher->load( $sVoucherId );
            }

            // saving voucher info
            $this->_aVouchers[$oVoucher->oxvouchers__oxid->value] = $oVoucher->getSimpleVoucher();
        } catch ( oxVoucherException $oEx ) {

            // problems adding voucher
            oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx, false, true );
        }

        $this->onUpdate();
    }

    public function removeVoucher( $sVoucherId )
    {
        // removing if it exists
        if ( isset( $this->_aVouchers[$sVoucherId] ) ) {

            $oVoucher = oxNew( 'oxvoucher' );
            $oVoucher->load( $sVoucherId );

            $oVoucher->unMarkAsReserved();

            // unsetting it if exists this voucher in DB or not
            unset( $this->_aVouchers[$sVoucherId] );
            $this->onUpdate();
        }

    }

    public function resetUserInfo()
    {
        $this->setPayment( null );
        $this->setShipping( null );
    }

    protected function formatDiscount()
    {
        // discount information
        // formating discount value
        $this->aDiscounts = $this->getDiscounts();
        if ( count($this->aDiscounts) > 0 ) {
            $oLang = oxRegistry::getLang();
            foreach ($this->aDiscounts as $oDiscount) {
                $oDiscount->fDiscount = $oLang->formatCurrency( $oDiscount->dDiscount, $this->getBasketCurrency() );
            }
        }
    }


    protected function _canSaveBasket()
    {
        $blCanSave = !$this->getConfig()->getConfigParam( 'blPerfNoBasketSaving' );
        return $blCanSave;
    }

    public function load()
    {
        $oUser = $this->getBasketUser();
        if ( !$oUser ) {
            return;
        }

        $oBasket = $oUser->getBasket( 'savedbasket' );

        // restoring from saved history
        $aSavedItems = $oBasket->getItems();
        foreach ( $aSavedItems as $oItem ) {
            try {
                $oSelList = $oItem->getSelList();

                $this->addToBasket( $oItem->oxuserbasketitems__oxartid->value, $oItem->oxuserbasketitems__oxamount->value, $oSelList, $oItem->getPersParams(), true );
            } catch( oxArticleException $oEx ) {
                // caught and ignored
            }
        }
    }

    protected function _save()
    {
        if ( $this->_canSaveBasket() ) {

            if ( $oUser = $this->getBasketUser() ) {
                //first delete all contents
                //#2039
                $oSavedBasket = $oUser->getBasket( 'savedbasket' );
                $oSavedBasket->delete();

                //then save
                foreach ( $this->_aBasketContents as $oBasketItem ) {
                    // discount or bundled products will be added automatically if available
                    if ( !$oBasketItem->isBundle() && !$oBasketItem->isDiscountArticle() ) {
                       $oSavedBasket->addItemToBasket( $oBasketItem->getProductId(), $oBasketItem->getAmount(), $oBasketItem->getSelList(), true, $oBasketItem->getPersParams() );
                    }
                }
            }
        }
    }

    /*
    protected function _addItemToSavedBasket( $sProductId , $dAmount, $aSel, $blOverride = false, $aPersParam = null )
    {
        // updating basket history
        if ( $oUser = $this->getBasketUser() ) {
            $oUser->getBasket( 'savedbasket' )->addItemToBasket( $sProductId, $dAmount, $aSel, $blOverride, $aPersParam );
        }
    }*/

    protected function _deleteSavedBasket()
    {
        // deleting basket if session user available
        if ( $oUser = $this->getBasketUser() ) {
            $oUser->getBasket( 'savedbasket' )->delete();
        }

        // basket exclude
        if ( $this->getConfig()->getConfigParam( 'blBasketExcludeEnabled' )) {
            $this->setBasketRootCatId(null);
        }
    }

    protected function _findDelivCountry()
    {
        $myConfig = $this->getConfig();
        $oUser    = $this->getBasketUser();

        $sDelivCountry = null;

        if ( !$oUser ) {
            // don't calculate if not logged in unless specified otherwise
            $aHomeCountry = $myConfig->getConfigParam( 'aHomeCountry' );
            if ( $myConfig->getConfigParam( 'blCalculateDelCostIfNotLoggedIn' ) && is_array( $aHomeCountry ) ) {
                $sDelivCountry = current( $aHomeCountry );
            }
        } else {

            // ok, logged in
            if ( $sCountryId = $myConfig->getGlobalParameter( 'delcountryid' ) ) {
                $sDelivCountry = $sCountryId;
            } elseif ( $sAddressId = oxSession::getVar( 'deladrid' ) ) {

                $oDelAdress = oxNew( 'oxaddress' );
                if ( $oDelAdress->load( $sAddressId ) ) {
                    $sDelivCountry = $oDelAdress->oxaddress__oxcountryid->value;
                }
            }

            // still not found ?
            if ( !$sDelivCountry ) {
                $sDelivCountry = $oUser->oxuser__oxcountryid->value;
            }
        }

        return $sDelivCountry;
    }

    public function deleteBasket()
    {
        $this->_aBasketContents = array();
        $this->getSession()->delBasket();

        if ($this->getConfig()->getConfigParam( 'blPsBasketReservationEnabled' )) {
            $this->getSession()->getBasketReservations()->discardReservations();
        }

        // merging basket history
        $this->_deleteSavedBasket();
    }

    public function setPayment( $sPaymentId = null )
    {
        $this->_sPaymentId = $sPaymentId;
    }

    public function getPaymentId()
    {
        if ( !$this->_sPaymentId ) {
             $this->_sPaymentId = oxSession::getVar( 'paymentid' );
        }
        return $this->_sPaymentId;
    }

    public function setShipping( $sShippingSetId = null )
    {
        $this->_sShippingSetId = $sShippingSetId;
        oxSession::setVar( 'sShipSet', $sShippingSetId );
    }

    public function setDeliveryPrice( $oShippingPrice = null )
    {
        $this->_oDeliveryPrice = $oShippingPrice;
    }

    public function getShippingId()
    {
        if ( !$this->_sShippingSetId ) {
             $this->_sShippingSetId = oxSession::getVar( 'sShipSet' );
        }

        $sActPaymentId = $this->getPaymentId();
        // setting default if none is set
        if ( !$this->_sShippingSetId && $sActPaymentId != 'oxempty' ) {
            $oUser = $this->getUser();

            // choosing first preferred delivery set
            list( , $sActShipSet ) = oxRegistry::get("oxDeliverySetList")->getDeliverySetData( null, $oUser, $this );
            // in case nothing was found and no user set - choosing default
            $this->_sShippingSetId = $sActShipSet ? $sActShipSet : ( $oUser ? null : 'oxidstandard' );
        } elseif ( !$this->isAdmin() && $sActPaymentId == 'oxempty' ) {
            // in case 'oxempty' is payment id - delivery set must be reset
            $this->_sShippingSetId = null;
        }

        return $this->_sShippingSetId;
    }

    public function getBasketArticles()
    {
        $aBasketArticles = array();

        foreach ( $this->_aBasketContents as $sItemKey => $oBasketItem ) {
            try {
                $oProduct = $oBasketItem->getArticle( true );

                if ( $this->getConfig()->getConfigParam( 'bl_perfLoadSelectLists' ) ) {
                    // marking chosen select list
                    $aSelList = $oBasketItem->getSelList();
                    if ( is_array( $aSelList ) && ( $aSelectlist = $oProduct->getSelectLists( $sItemKey ) ) ) {
                        reset( $aSelList );
                        while ( list( $conkey, $iSel ) = each( $aSelList ) ) {
                            $aSelectlist[$conkey][$iSel] = $aSelectlist[$conkey][$iSel];
                            $aSelectlist[$conkey][$iSel]->selected = 1;
                        }
                        $oProduct->setSelectlist( $aSelectlist );
                    }
                }
            } catch ( oxNoArticleException $oEx ) {
                oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx );
                $this->removeItem( $sItemKey );
                $this->calculateBasket( true );
                continue;
            } catch ( oxArticleInputException $oEx ) {
                oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx );
                $this->removeItem( $sItemKey );
                $this->calculateBasket( true );
                continue;
            }

            $aBasketArticles[$sItemKey] = $oProduct;
        }
        return $aBasketArticles;
    }

    public function getDiscountProductsPrice()
    {
        return $this->_oDiscountProductsPriceList;
    }

    public function getProductsPrice()
    {
        if ( is_null($this->_oProductsPriceList) ) {
            $this->_oProductsPriceList = oxNew( 'oxPriceList' );
        }

        return $this->_oProductsPriceList;
    }

    public function getPrice()
    {
        if ( is_null($this->_oPrice) ) {
            $this->_oPrice = oxNew( 'oxprice' );
        }

        return $this->_oPrice;
    }

    public function getOrderId()
    {
        return $this->_sOrderId;
    }

    public function setOrderId( $sId )
    {
        $this->_sOrderId = $sId;
    }

    public function getCosts( $sId = null )
    {
        // if user want some specific cost - return it
        if ( $sId ) {
            return isset( $this->_aCosts[$sId] )?$this->_aCosts[$sId]:null;
        }
        return $this->_aCosts;
    }

    public function getVouchers()
    {
        return $this->_aVouchers;
    }

    public function getProductsCount()
    {
        return $this->_iProductsCnt;
    }

    public function getItemsCount()
    {
        return $this->_dItemsCnt;
    }

    public function getWeight()
    {
        return $this->_dWeight;
    }

    public function getContents()
    {
        return $this->_aBasketContents;
    }

    public function getProductVats( $blFormatCurrency = true)
    {
        if ( !$this->_oNotDiscountedProductsPriceList ) {
            return array();
        }

        $aVats = $this->_oNotDiscountedProductsPriceList->getVatInfo( $this->isCalculationModeNetto() );

        $oUtils = oxRegistry::getUtils();
        foreach ( $this->_aDiscountedVats as $sKey => $dVat ) {
            if ( !isset( $aVats[$sKey] ) ) {
                $aVats[$sKey] = 0;
            }
            // add prices of the same discounts
            $aVats[$sKey] += $oUtils->fRound( $dVat, $this->_oCurrency );
        }

        if ( $blFormatCurrency ) {
            $oLang = oxRegistry::getLang();
            foreach ( $aVats as $sKey => $dVat ) {
                $aVats[$sKey] = $oLang->formatCurrency( $dVat, $this->getBasketCurrency() );
            }
        }

        return $aVats;
    }

    public function getDiscountedNettoPrice()
    {
        if ( $this->_oNotDiscountedProductsPriceList ) {
            return $this->_dDiscountedProductNettoPrice + $this->_oNotDiscountedProductsPriceList->getNettoSum();
        }
        return false;
    }

    public function setCardMessage( $sMessage )
    {
        $this->_sCardMessage = $sMessage;
    }

    public function getCardMessage()
    {
        return $this->_sCardMessage;
    }

    public function setCardId( $sCardId )
    {
        $this->_sCardId = $sCardId;
    }

    public function getCardId()
    {
        return $this->_sCardId;
    }

    public function getCard()
    {
        $oCard = null;
        if ( $sCardId = $this->getCardId() ) {
            $oCard = oxNew( 'oxwrapping' );
            $oCard->load( $sCardId );
            $oCard->setWrappingVat( $this->getAdditionalServicesVatPercent() );
        }
        return $oCard;
    }

    public function getTotalDiscount()
    {
        return $this->_oTotalDiscount;
    }

    public function getDiscounts()
    {
        if ( $this->getTotalDiscount() && $this->getTotalDiscount()->getBruttoPrice() == 0 && count($this->_aItemDiscounts) == 0) {
            return null;
        }

        return array_merge($this->_aItemDiscounts, $this->_aDiscounts);
    }

    public function getVoucherDiscount()
    {
        if ($this->getConfig()->getConfigParam( 'bl_showVouchers' )) {
            return $this->_oVoucherDiscount;
        }
        return null;
    }

    public function setBasketCurrency( $oCurrency )
    {
        $this->_oCurrency = $oCurrency;
    }

    public function getBasketCurrency()
    {
        if ( $this->_oCurrency === null ) {
            $this->_oCurrency = $this->getConfig()->getActShopCurrencyObject();
        }

        return $this->_oCurrency;
    }

    public function setSkipVouchersChecking( $blSkipChecking = null )
    {
        $this->_blSkipVouchersAvailabilityChecking = $blSkipChecking;
    }

    public function hasSkipedDiscount()
    {
        return $this->_blSkipDiscounts;
    }

    public function setSkipDiscounts( $blSkip )
    {
        $this->_blSkipDiscounts = $blSkip;
    }

    public function getProductsNetPrice()
    {
        return oxRegistry::getLang()->formatCurrency( $this->getNettoSum(), $this->getBasketCurrency() );
    }

    public function getFProductsPrice()
    {
        return oxRegistry::getLang()->formatCurrency( $this->getBruttoSum(), $this->getBasketCurrency() );
    }

    public function getDelCostVatPercent()
    {
        return $this->getCosts( 'oxdelivery' )->getVat();
    }

    public function getDelCostVat()
    {
        $dDelVAT = $this->getCosts( 'oxdelivery' )->getVatValue();

        // blShowVATForDelivery option will be used, only for displaying, but not calculation
        if ( $dDelVAT > 0 && $this->getConfig()->getConfigParam( 'blShowVATForDelivery' )) {
            return oxRegistry::getLang()->formatCurrency( $dDelVAT, $this->getBasketCurrency() );
        }
        return false;
    }

    public function getDelCostNet()
    {
        $oConfig = $this->getConfig();

        // blShowVATForDelivery option will be used, only for displaying, but not calculation
        if ( $oConfig->getConfigParam( 'blShowVATForDelivery' ) && ( $this->getBasketUser() || $oConfig->getConfigParam( 'blCalculateDelCostIfNotLoggedIn' ) ) ) {
            $dNetPrice = $this->getCosts( 'oxdelivery' )->getNettoPrice();
            if ( $dNetPrice > 0 ) {
                return oxRegistry::getLang()->formatCurrency( $dNetPrice, $this->getBasketCurrency() );
            }
        }
        return false;
    }

    public function getPayCostVatPercent()
    {
        return $this->getCosts( 'oxpayment' )->getVat();
    }

    public function getPayCostVat()
    {
        $dPayVAT = $this->getCosts( 'oxpayment' )->getVatValue();

        // blShowVATForPayCharge option will be used, only for displaying, but not calculation
        if ( $dPayVAT > 0 && $this->getConfig()->getConfigParam( 'blShowVATForPayCharge' ) ) {
            return oxRegistry::getLang()->formatCurrency( $dPayVAT, $this->getBasketCurrency() );
        }
        return false;
    }

    public function getPayCostNet()
    {
        // blShowVATForPayCharge option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForPayCharge' ) ) {
            $oPaymentCost = $this->getCosts( 'oxpayment' );
            if ( $oPaymentCost && $oPaymentCost->getNettoPrice() ) {
                return oxRegistry::getLang()->formatCurrency( $this->getCosts( 'oxpayment' )->getNettoPrice(), $this->getBasketCurrency() );
            }
        }
        return false;
    }

    public function getPaymentCosts()
    {
        $oPaymentCost = $this->getCosts( 'oxpayment' );
        if ( $oPaymentCost && $oPaymentCost->getBruttoPrice() ) {
            return $oPaymentCost->getBruttoPrice();
        }
    }

    public function getFPaymentCosts()
    {
        $oPaymentCost = $this->getCosts( 'oxpayment' );
        if ( $oPaymentCost && $oPaymentCost->getBruttoPrice() ) {
            return oxRegistry::getLang()->formatCurrency( $oPaymentCost->getBruttoPrice(), $this->getBasketCurrency() );
        }
        return false;
    }

    public function getVoucherDiscValue()
    {
        if ( $this->getVoucherDiscount() ) {
            return $this->getVoucherDiscount()->getBruttoPrice();
        }
        return false;
    }

    public function getFVoucherDiscountValue()
    {
        if ( $oVoucherDiscount = $this->getVoucherDiscount() ) {
            if ( $oVoucherDiscount->getBruttoPrice() ) {
                return oxRegistry::getLang()->formatCurrency( $oVoucherDiscount->getBruttoPrice(), $this->getBasketCurrency() );
            }
        }
        return false;
    }


    public function getWrappCostVatPercent()
    {
        return $this->getCosts( 'oxwrapping' )->getVat();
    }


    public function getGiftCardCostVatPercent()
    {
        return $this->getCosts( 'oxgiftcard' )->getVat();
    }

    public function getWrappCostVat()
    {
        // blShowVATForWrapping option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForWrapping' ) ) {
            $oPrice = $this->getCosts( 'oxwrapping' );

            if ( $oPrice && $oPrice->getVatValue() > 0 ) {
                return oxRegistry::getLang()->formatCurrency( $oPrice->getVatValue(), $this->getBasketCurrency() );
            }
        }

        return false;
    }

    public function getWrappCostNet()
    {
        // blShowVATForWrapping option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForWrapping' ) ) {
            $oPrice = $this->getCosts( 'oxwrapping' );

             if ( $oPrice && $oPrice->getNettoPrice() > 0 ) {
                 return  oxRegistry::getLang()->formatCurrency( $oPrice->getNettoPrice(), $this->getBasketCurrency() );
             }
        }

        return false;
    }

    public function getFWrappingCosts()
    {
        $oPrice = $this->getCosts( 'oxwrapping' );

        if ( $oPrice && $oPrice->getBruttoPrice() ) {
            return oxRegistry::getLang()->formatCurrency( $oPrice->getBruttoPrice(), $this->getBasketCurrency() );
        }

        return false;
    }


    public function getGiftCardCostVat()
    {
        // blShowVATForWrapping option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForWrapping' ) ) {
            $oPrice = $this->getCosts( 'oxgiftcard' );

            if ( $oPrice && $oPrice->getVatValue() > 0 ) {
                return oxLang::getInstance()->formatCurrency( $oPrice->getVatValue(), $this->getBasketCurrency() );
            }
        }

        return false;

    }

    public function getGiftCardCostNet()
    {
        // blShowVATForWrapping option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForWrapping' ) ) {
            $oPrice = $this->getCosts( 'oxgiftcard' );

            if ( $oPrice && $oPrice->getNettoPrice() > 0 ) {
                return  oxLang::getInstance()->formatCurrency( $oPrice->getNettoPrice(), $this->getBasketCurrency() );
            }
        }

        return false;
    }

    public function getFGiftCardCosts()
    {
        $oPrice = $this->getCosts( 'oxgiftcard' );

        if ( $oPrice && $oPrice->getBruttoPrice() ) {
            return oxLang::getInstance()->formatCurrency( $oPrice->getBruttoPrice(), $this->getBasketCurrency() );
        }
        return false;
    }

    public function getFPrice()
    {
        return oxRegistry::getLang()->formatCurrency( $this->getPrice()->getBruttoPrice(), $this->getBasketCurrency() );
    }

    public function getFDeliveryCosts()
    {
        $oPrice = $this->getCosts( 'oxdelivery' );

        if ( $oPrice && ( $this->getBasketUser() || $this->getConfig()->getConfigParam( 'blCalculateDelCostIfNotLoggedIn' ) ) ) {
            return oxRegistry::getLang()->formatCurrency( $oPrice->getBruttoPrice(), $this->getBasketCurrency() );
        }
        return false;
    }

    public function getDeliveryCosts()
    {
        if ( $oDeliveryCost = $this->getCosts( 'oxdelivery' ) ) {
            return $oDeliveryCost->getBruttoPrice();
        }
        return false;
    }

    public function setTotalDiscount( $dDiscount )
    {
        $this->_oTotalDiscount = oxNew( 'oxPrice' );
        $this->_oTotalDiscount->setBruttoPriceMode();
        $this->_oTotalDiscount->add( $dDiscount );
    }

    public function getPriceForPayment()
    {
        $dPrice = $this->getDiscountedProductsBruttoPrice();
        //#1905 not discounted products should be included in payment amount calculation
        if ( $oPriceList = $this->getNotDiscountProductsPrice() ) {
            $dPrice += $oPriceList->getBruttoSum();
        }

        // adding delivery price to final price
        if ( $oDeliveryPrice = $this->_aCosts['oxdelivery'] ) {
            $dPrice += $oDeliveryPrice->getBruttoPrice();
        }

        return $dPrice;
    }


    public function _getDiscountedProductsSum()
    {
        if ( $oProductsPrice = $this->getDiscountProductsPrice() ) {
            $dPrice = $oProductsPrice->getSum( $this->isCalculationModeNetto() );
        }

        // substracting total discount
        if ( $oPrice = $this->getTotalDiscount() ) {
            $dPrice -= $oPrice->getPrice();
        }

        if ( $oVoucherPrice = $this->getVoucherDiscount() ) {
            $dPrice -= $oVoucherPrice->getPrice();
        }

        return $dPrice;
    }

    public function getDiscountedProductsBruttoPrice()
    {
        if ( $oProductsPrice = $this->getDiscountProductsPrice() ) {
            $dPrice = $oProductsPrice->getBruttoSum();
        }

        // substracting total discount
        if ( $oPrice = $this->getTotalDiscount() ) {
            $dPrice -= $oPrice->getBruttoPrice();
        }

        if ( $oVoucherPrice = $this->getVoucherDiscount() ) {
            $dPrice -= $oVoucherPrice->getBruttoPrice();
        }

        return $dPrice;
    }

    public function isBelowMinOrderPrice()
    {
        $blIsBelowMinOrderPrice = false;
        $sConfValue = $this->getConfig()->getConfigParam( 'iMinOrderPrice' );
        if ( is_numeric($sConfValue) && $this->getProductsCount() ) {
            $dMinOrderPrice = oxPrice::getPriceInActCurrency( ( double ) $sConfValue );
            $dNotDiscountedProductPrice = 0;
            if ( $oPrice = $this->getNotDiscountProductsPrice() ) {
                $dNotDiscountedProductPrice = $oPrice->getBruttoSum();
            }
            $blIsBelowMinOrderPrice = ($dMinOrderPrice > ($this->getDiscountedProductsBruttoPrice() + $dNotDiscountedProductPrice));
        }

        return $blIsBelowMinOrderPrice;

    }

    public function getArtStockInBasket( $sArtId, $sExpiredArtId = null )
    {
        $dArtStock = 0;
        foreach ( $this->_aBasketContents as $sItemKey => $oOrderArticle ) {
            if ( $oOrderArticle && ( $sExpiredArtId == null || $sExpiredArtId != $sItemKey ) ) {
                if ( $oOrderArticle->getArticle( true )->getId() == $sArtId ) {
                    $dArtStock += $oOrderArticle->getAmount();
                }
            }
        }

        return $dArtStock;
    }

    public function canAddProductToBasket( $sProductId )
    {
        $blCanAdd = null;

        // if basket category is not set..
        if ( $this->_sBasketCategoryId === null ) {
            $oCat = null;

            // request category
            if ( $oView = $this->getConfig()->getActiveView() ) {
                if ( $oCat = $oView->getActiveCategory() ) {
                    if ( !$this->_isProductInRootCategory( $sProductId, $oCat->oxcategories__oxrootid->value ) ) {
                        $oCat = null;
                    } else {
                        $blCanAdd = true;
                    }
                }
            }

            // product main category
            if ( !$oCat ) {
                $oProduct = oxNew( "oxarticle" );
                if ( $oProduct->load( $sProductId ) ) {
                    $oCat = $oProduct->getCategory();
                }
            }

            // root category id
            if ( $oCat ) {
                $this->setBasketRootCatId($oCat->oxcategories__oxrootid->value);
            }
        }

        // avoiding double check..
        if ( $blCanAdd === null ) {
            $blCanAdd = $this->_sBasketCategoryId ? $this->_isProductInRootCategory( $sProductId, $this->getBasketRootCatId() ) : true;
        }

        return $blCanAdd;
    }

    protected function _isProductInRootCategory( $sProductId, $sRootCatId )
    {
        $sO2CTable = getViewName( 'oxobject2category' );
        $sCatTable = getViewName( 'oxcategories' );

        $oDb = oxDb::getDb();
        $sParentId  = $oDb->getOne( "select oxparentid from oxarticles where oxid = ".$oDb->quote( $sProductId ) );
        $sProductId = $sParentId ? $sParentId : $sProductId;

        $sQ = "select 1 from {$sO2CTable}
                 left join {$sCatTable} on {$sCatTable}.oxid = {$sO2CTable}.oxcatnid
                 where {$sO2CTable}.oxobjectid = ".$oDb->quote( $sProductId )." and
                       {$sCatTable}.oxrootid = ".$oDb->quote( $sRootCatId );

        return (bool) $oDb->getOne( $sQ );
    }

    public function setBasketRootCatId($sRoot)
    {
        $this->_sBasketCategoryId = $sRoot;
    }

    public function getBasketRootCatId()
    {
        return $this->_sBasketCategoryId;
    }

    public function setCatChangeWarningState( $blShow )
    {
        $this->_blShowCatChangeWarning = $blShow;
    }

    public function showCatChangeWarning()
    {
        return $this->_blShowCatChangeWarning;
    }

    public function setTsProductId( $sProductId )
    {
        $this->_sTsProductId = $sProductId;
    }

    public function getTsProductId()
    {
        return $this->_sTsProductId;
    }

    public function getFTsProtectionCosts()
    {
        $oProtectionCost = $this->getCosts( 'oxtsprotection' );
        if ( $oProtectionCost && $oProtectionCost->getBruttoPrice() ) {
            return oxRegistry::getLang()->formatCurrency( $oProtectionCost->getBruttoPrice(), $this->getBasketCurrency() );
        }
        return false;
    }

    public function getTsProtectionVatPercent()
    {
        return $this->getCosts( 'oxtsprotection' )->getVat();
    }

    public function getTsProtectionVat()
    {
        $dProtectionVAT = $this->getCosts( 'oxtsprotection' )->getVatValue();
        // blShowVATForPayCharge option will be used, only for displaying, but not calculation
        if ( $dProtectionVAT > 0 && $this->getConfig()->getConfigParam( 'blShowVATForPayCharge' ) ) {
            return oxRegistry::getLang()->formatCurrency( $dProtectionVAT, $this->getBasketCurrency() );
        }
        return false;
    }

    public function getTsProtectionNet()
    {
        // blShowVATForPayCharge option will be used, only for displaying, but not calculation
        if ( $this->getConfig()->getConfigParam( 'blShowVATForPayCharge' ) ) {
            return oxRegistry::getLang()->formatCurrency( $this->getCosts( 'oxtsprotection' )->getNettoPrice(), $this->getBasketCurrency() );
        }
        return false;
    }

    public function getTsProtectionCosts()
    {
        $oProtection = $this->getCosts( 'oxtsprotection' );
        if ( $oProtection ) {
            return $oProtection->getBruttoPrice();
        }
        return false;
    }

    public function getNotDiscountProductsPrice()
    {
        return $this->_oNotDiscountedProductsPriceList;
    }

    protected function _addedNewItem( $sProductID, $dAmount, $aSel, $aPersParam, $blOverride, $blBundle, $sOldBasketItemId )
    {
        if ( !$blOverride ) {
            $this->_blNewITemAdded = null;
            oxSession::setVar( "blAddedNewItem", true );
        }
    }

    public function __wakeUp()
    {
        $this->_blNewITemAdded = null;
        $this->_isCalculationModeNetto = null;
    }

    public function isNewItemAdded()
    {
        if ( $this->_blNewITemAdded == null ) {
            $this->_blNewITemAdded = (bool) oxSession::getVar( "blAddedNewItem" );
            oxSession::deleteVar( "blAddedNewItem" );
        }
        return $this->_blNewITemAdded;
    }

    public function hasDownloadableProducts()
    {
        $this->_blDownloadableProducts = false;
        foreach ( $this->_aBasketContents as $sItemKey => $oOrderArticle ) {
            if ( $oOrderArticle->getArticle( false ) && $oOrderArticle->getArticle( false )->isDownloadable() ) {
                $this->_blDownloadableProducts = true;
                break;
            }
        }

        return $this->_blDownloadableProducts;
    }

}