Mage_Catalog_Model_Layer_Filter_Price Class Reference

Inheritance diagram for Mage_Catalog_Model_Layer_Filter_Price:

List of all members.

Public Member Functions
	__construct ()
	getPriceRange ()
	getMaxPriceInt ()
	getRangeItemCounts ($range)
	apply (Zend_Controller_Request_Abstract $request, $filterBlock)
Public Attributes
const	MIN_RANGE_POWER = 10
Protected Member Functions
	_renderItemLabel ($range, $value)
	_getCacheKey ()
	_getItemsData ()

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Detailed Description

Definition at line 34 of file Price.php.

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Constructor & Destructor Documentation

__construct

(

)

Class constructor

Reimplemented from Varien_Object.

Definition at line 42 of file Price.php.

    {
        parent::__construct();
        $this->_requestVar = 'price';
    }

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Member Function Documentation

_getCacheKey

(

)

[protected]

Get price aggreagation data cache key

Returns:

string

Definition at line 131 of file Price.php.

    {
        $key = $this->getLayer()->getStateKey()
            . '_PRICES_GRP_' . Mage::getSingleton('customer/session')->getCustomerGroupId()
            . '_CURR_' . Mage::app()->getStore()->getCurrentCurrencyCode()
            . '_LOC_'
            ;
        $taxReq = Mage::getSingleton('tax/calculation')->getRateRequest(false, false, false);
        $key.= $taxReq->__toString(array(), '_');
        return $key;
    }

_getItemsData

(

)

[protected]

Get data for build price filter items

Returns:

array

Reimplemented from Mage_Catalog_Model_Layer_Filter_Abstract.

Definition at line 148 of file Price.php.

    {
        $key = $this->_getCacheKey();

        $data = $this->getLayer()->getAggregator()->getCacheData($key);
        if ($data === null) {
            $range      = $this->getPriceRange();
            $dbRanges   = $this->getRangeItemCounts($range);
            $data       = array();

            foreach ($dbRanges as $index=>$count) {
                $data[] = array(
                    'label' => $this->_renderItemLabel($range, $index),
                    'value' => $index . ',' . $range,
                    'count' => $count,
                );
            }

            $tags = array(
                Mage_Catalog_Model_Product_Type_Price::CACHE_TAG,
            );
            $tags = $this->getLayer()->getStateTags($tags);
            $this->getLayer()->getAggregator()->saveCacheData($data, $key, $tags);
        }
        return $data;
    }

_renderItemLabel	(	$	range,
		$	value
	)			[protected]

Prepare text of item label

Parameters:

	int	$range
	float	$value

Returns:

string

Definition at line 118 of file Price.php.

    {
        $store      = Mage::app()->getStore();
        $fromPrice  = $store->formatPrice(($value-1)*$range);
        $toPrice    = $store->formatPrice($value*$range);
        return Mage::helper('catalog')->__('%s - %s', $fromPrice, $toPrice);
    }

apply	(	Zend_Controller_Request_Abstract $	request,
		$	filterBlock
	)

Apply price range filter to collection

Returns:

Mage_Catalog_Model_Layer_Filter_Price

Filter must be string: $index,$range

Reimplemented from Mage_Catalog_Model_Layer_Filter_Abstract.

Definition at line 180 of file Price.php.

    {
        /**
         * Filter must be string: $index,$range
         */
        $filter = $request->getParam($this->getRequestVar());
        if (!$filter) {
            return $this;
        }

        $filter = explode(',', $filter);
        if (count($filter) != 2) {
            return $this;
        }

        list($index, $range) = $filter;

        if ((int)$index && (int)$range) {
            $this->setPriceRange((int)$range);

            Mage::getSingleton('catalogindex/price')->applyFilterToCollection(
                $this->getLayer()->getProductCollection(),
                $this->getAttributeModel(),
                $range,
                $index
            );

            $this->getLayer()->getState()->addFilter(
                $this->_createItem($this->_renderItemLabel($range, $index), $filter)
            );

            $this->_items = array();
        }
        return $this;
    }

getMaxPriceInt

(

)

Get maximum price from layer products set

Returns:

float

Definition at line 76 of file Price.php.

    {
        $maxPrice = $this->getData('max_price_int');
        if (is_null($maxPrice)) {
            $maxPrice = Mage::getSingleton('catalogindex/price')->getMaxValue(
                $this->getAttributeModel(),
                $this->_getBaseCollectionSql()
            );

            $maxPrice = floor($maxPrice);
            $this->setData('max_price_int', $maxPrice);
        }
        return $maxPrice;
    }

getPriceRange

(

)

Get price range for building filter steps

Returns:

int

Definition at line 53 of file Price.php.

    {
        $range = $this->getData('price_range');
        if (is_null($range)) {
            $maxPrice = $this->getMaxPriceInt();
            $index = 1;
            do {
                $range = pow(10, (strlen(floor($maxPrice))-$index));
                $items = $this->getRangeItemCounts($range);
                $index++;
            }
            while($range>self::MIN_RANGE_POWER && count($items)<2);

            $this->setData('price_range', $range);
        }
        return $range;
    }

getRangeItemCounts

(

$

range

)

Get information about products count in range

Parameters:

int

$range

Returns:

int

Definition at line 97 of file Price.php.

    {
        $items = $this->getData('range_item_counts_'.$range);
        if (is_null($items)) {
            $items = Mage::getSingleton('catalogindex/price')->getCount(
                $this->getAttributeModel(),
                $range,
                $this->_getBaseCollectionSql()
            );
            $this->setData('range_item_counts_'.$range, $items);
        }
        return $items;
    }

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Member Data Documentation

const MIN_RANGE_POWER = 10

Definition at line 36 of file Price.php.

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The documentation for this class was generated from the following file:

• app/code/core/Mage/Catalog/Model/Layer/Filter/Price.php