/** * Function to get maximum quantity available for specific start and end dates. * This function first gets max available inventory for a product, then reduces it * via the number reserved in the inventory_serialized EAV field for that time period. * It then returns the inventory for when the least amount of inventory is available. * * @param Mage_Catalog_Product|int $product * @param $startDate * @param $endDate * * @return int */ public static function getQuantity($product, $startDate = null, $endDate = null, $options = null, $forceReal = false) { $productId = $product; if (is_object($product)) { $productId = $product->getId(); } if (!is_object($product)) { $product = ITwebexperts_Payperrentals_Helper_Data::initProduct($product); } $isReservation = ITwebexperts_Payperrentals_Helper_Data::isReservationType($productId); $maxQty = 0; if (!$isReservation) { if (!is_object($product)) { $product = ITwebexperts_Payperrentals_Helper_Data::initProduct($product); } $maxQty = Mage::getModel('cataloginventory/stock_item')->loadByProduct($product)->getQty(); } if ($isReservation && ITwebexperts_Payperrentals_Helper_Data::isReservationOnly($productId)) { $payperrentalsUseSerials = ITwebexperts_Payperrentals_Helper_Data::getAttributeCodeForId($productId, 'payperrentals_use_serials'); $payperrentalsQuantity = ITwebexperts_Payperrentals_Helper_Data::getAttributeCodeForId($productId, 'payperrentals_quantity'); if (!$payperrentalsQuantity) { $payperrentalsQuantity = 0; } if ($payperrentalsUseSerials == ITwebexperts_Payperrentals_Model_Product_Useserials::STATUS_ENABLED) { $serialCollection = Mage::getModel('payperrentals/serialnumbers')->getCollection()->addEntityIdFilter($productId)->addSelectFilter("status <> 'B' AND status <> 'M'"); $maxQty = $serialCollection->getSize(); } else { $maxQty = $payperrentalsQuantity; } if (!is_null($startDate) && !is_null($endDate)) { //should add turnover times to start end date $bookedArray = self::getBookedQtyForProducts($productId, $startDate, $endDate, false, isset($options['excluded_qty']) ? $options['excluded_qty'] : null); $maxQtyReserved = 1000000; if (isset($bookedArray[$productId])) { foreach ($bookedArray[$productId] as $dateFormatted => $vObject) { if (date('H:i', strtotime($dateFormatted)) == '00:00') { $timeStart = strtotime($dateFormatted); $timeEnd = strtotime($dateFormatted) + 86340; } else { $timeStart = strtotime($dateFormatted); $timeEnd = strtotime($dateFormatted) + 3600; } if ($timeStart <= strtotime($endDate) && $timeEnd >= strtotime($startDate)) { if ($maxQtyReserved > $maxQty - $vObject->getQty()) { $maxQtyReserved = $maxQty - $vObject->getQty(); } } } if ($maxQtyReserved == 1000000) { $maxQtyReserved = $maxQty; } $maxQty = $maxQtyReserved; } } } elseif (!is_null($options)) { $maxQty = self::getQuantityForAnyProductTypeFromOptions($productId, $startDate, $endDate, $options, $forceReal); } $resultObject = new Varien_Object(); $resultObject->setRetQty($maxQty); Mage::dispatchEvent('after_getquantity', array('product' => $productId, 'result' => $resultObject, 'start_date' => $startDate, 'end_date' => $endDate)); return intval($resultObject->getRetQty()); }