/**
* Generates the facet data for the passed query, criteria and context object.
*
* @param FacetInterface|ProductAttributeFacet $facet
* @param Criteria $criteria
* @param Struct\ShopContextInterface $context
* @return BooleanFacetResult|ValueListFacetResult
*/
public function generateFacet(FacetInterface $facet, Criteria $criteria, Struct\ShopContextInterface $context)
{
$queryCriteria = clone $criteria;
$queryCriteria->resetConditions();
$queryCriteria->resetSorting();
$query = $this->queryBuilderFactory->createQuery($queryCriteria, $context);
$query->resetQueryPart('orderBy');
$query->resetQueryPart('groupBy');
$sqlField = 'productAttribute.' . $facet->getField();
$query->andWhere($sqlField . ' IS NOT NULL')->andWhere($sqlField . " != ''");
switch ($facet->getMode()) {
case ProductAttributeFacet::MODE_VALUE_LIST_RESULT:
case ProductAttributeFacet::MODE_RADIO_LIST_RESULT:
$result = $this->createValueListFacetResult($query, $facet, $criteria, $context);
break;
case ProductAttributeFacet::MODE_BOOLEAN_RESULT:
$result = $this->createBooleanFacetResult($query, $facet, $criteria);
break;
case ProductAttributeFacet::MODE_RANGE_RESULT:
$result = $this->createRangeFacetResult($query, $facet, $criteria);
break;
default:
$result = null;
break;
}
if ($result !== null && $facet->getTemplate()) {
$result->setTemplate($facet->getTemplate());
}
return $result;
}
