/**
* Apply attribute filter to product collection
*
* @param Mage_Catalog_Model_Layer_Filter_Price $filter
* @param int $range
* @param int $index the range factor
*
* @return Enterprise_Search_Model_Catalog_Layer_Filter_Decimal
*/
public function applyFilterToCollection($filter, $range, $index)
{
$productCollection = $filter->getLayer()->getProductCollection();
$attributeCode = $filter->getAttributeModel()->getAttributeCode();
$field = 'attr_decimal_' . $attributeCode;
$value = array($field => array('from' => $range * ($index - 1), 'to' => $range * $index - 0.001));
$productCollection->addFqFilter($value);
return $this;
}
/**
* Retrieve array with products counts per price range
*
* @param Mage_Catalog_Model_Layer_Filter_Price $filter
* @param int $range
* @return array
*/
public function getCountAttributePrice($filter, $range)
{
$ret = array();
$rate = $this->getCurrentCurrencyRate($this->store);
if (empty($filter) || empty($rate)) {
return $ret;
}
$attribute = $filter->getAttributeModel();
if (empty($attribute)) {
return $ret;
}
// hook, it is need for 'union' and this attribute defined in the 'price' field
if ($attribute->getAttributeCode() == 'price') {
$label = 'price';
} else {
$label = 'attribute_' . $attribute->getId();
}
if (!$this->checkAttributesCountLabel($label)) {
$vals = array();
$res = $this->getSearchResult();
if (!empty($res['facets'])) {
foreach ($res['facets'] as $facet) {
if ($facet['attribute'] == $label) {
if (!empty($facet['buckets'])) {
foreach ($facet['buckets'] as $bucket) {
// Example
//~ [value] => 1000-2000
//~ [title] => 1000 - 2000
//~ [from] => 1000
//~ [to] => 2000
//~ [count] => 2
$numberStep = round($bucket['to'] * $rate / $range);
if ($numberStep > 0) {
$vals[$numberStep] = $bucket['count'];
}
}
}
}
}
}
$this->setAttributesCountLabel($vals, $label);
}
return $this->getAttributesCountLabel($label);
}
