oxpricelist.php

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<?php

class oxPriceList
{
    protected $_aList = array();

    public function __construct()
    {
    }

    public function getBruttoSum()
    {
        $dSum = 0;
        foreach ( $this->_aList as $oPrice ) {
            $dSum += $oPrice->getBruttoPrice();
        }

        return $dSum;
    }

    public function getNettoSum()
    {
        $dSum = 0;
        foreach ( $this->_aList as $oPrice ) {
            $dSum += $oPrice->getNettoPrice();
        }

        return $dSum;
    }

    public function getSum( $isNettoMode = true )
    {
        if ( $isNettoMode ) {
            return $this->getNettoSum();
        } else {
            return $this->getBruttoSum();
        }
    }

    public function getVatInfo( $isNettoMode = true )
    {
        $aVatValues = array();
        $aPrices = array();
        foreach ( $this->_aList as $oPrice ) {
            $sKey = ( string ) $oPrice->getVat();
            if ( !isset( $aPrices[$sKey] )) {
                $aPrices[$sKey]['sum'] = 0;
                $aPrices[$sKey]['vat'] = $oPrice->getVat();
            }
            $aPrices[$sKey]['sum'] += $oPrice->getPrice();
        }

        foreach ( $aPrices as $sKey => $aPrice ) {
            if ( $isNettoMode ) {
                $dPrice = $aPrice['sum'] * $aPrice['vat'] / 100;
            } else {
                $dPrice = $aPrice['sum'] * $aPrice['vat'] / ( 100 + $aPrice['vat'] );
            }
            $aVatValues[$sKey] = $dPrice;
        }

        return $aVatValues;
    }


    public function getPriceInfo()
    {
        $aPrices = array();
        foreach ( $this->_aList as $oPrice ) {
            $sVat = ( string ) $oPrice->getVat();
            if ( !isset( $aPrices[$sVat] )) {
                $aPrices[$sVat] = 0;
            }
            $aPrices[$sVat] += $oPrice->getBruttoPrice();
        }

        return $aPrices;
    }

    public function getMostUsedVatPercent()
    {
        $aPrices = $this->getPriceInfo();
        if ( count( $aPrices ) == 0 ) {
            return;
        }

        $aVats = array_keys( $aPrices, max( $aPrices ) );
        return max( $aVats );
    }

    public function getProportionalVatPercent()
    {
        $dTotalSum = 0;

        foreach ( $this->_aList as $oPrice ) {
            $dTotalSum += $oPrice->getNettoPrice();
        }

        $dProportionalVat = 0;

        foreach ( $this->_aList as $oPrice ) {
            if ( $dTotalSum > 0 ) {
                $dProportionalVat += $oPrice->getNettoPrice() / $dTotalSum * $oPrice->getVat();
            }
        }

        return $dProportionalVat;
    }



    public function addToPriceList( $oPrice )
    {
        $this->_aList[] = $oPrice;
    }

    public function calculateToPrice()
    {
        if ( count($this->_aList) == 0 ) {
            return;
        }

        $dNetoTotal = 0;
        $dVatTotal = 0;
        $dVat = 0;

        foreach ( $this->_aList as $oPrice ) {
            $dNetoTotal += $oPrice->getNettoPrice();
            $dVatTotal += $oPrice->getVatValue();
        }

        $oPrice = oxNew('oxPrice');

        if ( $dNetoTotal ) {
            $dVat = $dVatTotal*100/$dNetoTotal;

            $oPrice->setNettoPriceMode();
            $oPrice->setPrice($dNetoTotal);
            $oPrice->setVat($dVat);
        }

        return $oPrice;
    }

    public function getCount()
    {
        return count($this->_aList);
    }

}