Observer.php 4.34 KB
<?php

/**
 * @package magento
 * @subpackage AncPricepercustomer
 *
 * @author netz.coop code[at]netz.coop
 *
 * @license http://www.gnu.org/licenses/gpl-3.0.de.html GNU GENERAL PUBLIC LICENSE VERSION 3
 * @copyright (C) 2015 netz.coop eG
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
class Anc_Pricespercustomer_Model_Observer {

    public function catalogProductCollectionLoadAfter($observer) {
        if (Mage::getSingleton('customer/session')->isLoggedIn()) {
            foreach ($observer->getEvent()->getCollection() as $product) {
                $customer = Mage::getSingleton('customer/session')->getCustomer();
                $adjustment = $this->getCustomerPrices($customer->getEntityId(), $product->getEntityId());
                /*
                 * Wenn price und final_price sich unterscheiden wird letzterer als sonderpreis angezeigt.
                 * Der Kundenrabatt muss deswegen auf beide angewendet werden.
                 */
                $finalPrice = $this->_adjustPrice($adjustment, $product->getFinalPrice());
                $product->setFinalPrice($finalPrice);
            }
        }
    }

    /**
     * Anwenden der Preisanpassung des aktuellen Kunden auf der Product Detailseite
     *
     * @param Varien_Event_Observer $observer
     */
    public function catalogProductLoadAfter($observer) {
        if (Mage::getSingleton('customer/session')->isLoggedIn()) {
            $product = $observer->getEvent()->getProduct();
            $id = $product->getEntityId();
            $customer = Mage::getSingleton('customer/session')->getCustomer();
            $adjustment = $this->getCustomerPrices($customer->getEntityId(), $product->getEntityId());
            /*
             * Zuerst final_price setzen, da sonst bei der Berechnung der schon rabattierte "normale" preis verwendet wird
             * und der Rabatt zwei mal angewendet wird.
             */
            $finalPrice = $this->_adjustPrice($adjustment, $product->getFinalPrice());
            $product->setFinalPrice($finalPrice);
        }
    }

    /**
     * Berechnen der Preisanpassung nach Typ.
     *
     * @param float $adjustment
     * @param float $price
     * @param string $type 'fix' or 'percent'
     * @return float
     */
    protected function _adjustPrice($adjustment, $price) {

        if (key_exists('price_adjustment', $adjustment) && $adjustment['price_adjustment']) {
            if ($adjustment['price_adjustment_type'] == 'Fix' || $adjustment['price_adjustment_type'] == 'fix') {
                if ($adjustment['price_adjustment'] < $price) {
                    $price = $adjustment['price_adjustment'];
                }
            } else {
                $price -= $price * ($adjustment['price_adjustment'] / 100);
            }
        }

        return $price;
    }

    public function getCustomerPrices($cid, $pid) {
        $collection = Mage::getModel('anc_pricespercustomer/entity')
                ->getCollection()
                ->addFieldToFilter('main_table.customer_id', $cid)
                ->addFieldToFilter('main_table.product_id', $pid)
                ->setOrder('main_table.created_at', 'ASC');
        $collection->load();
        $array = array();
        $i = 0;
        foreach ($collection as $price) {
            $array[$i]['entity_id'] = $price->getEntityId();
            $array[$i]['customer_id'] = $price->getCustomerId();
            $array[$i]['product_id'] = $price->getProductId();
            $array[$i]['price_adjustment'] = $price->getPriceAdjustment();
            $array[$i]['price_adjustment_type'] = $price->getPriceAdjustmentType();
            $array[$i]['created_at'] = $price->getCreatedAt();
            $i++;
        }
        if (array_key_exists('0', $array)) {
            return $array[0];
        }
        return $array;
    }

}