/**
* Prepare response object and dispatch prepare price event
* Return response object
*
* @param \Magento\Framework\DB\Select $select
* @return \Magento\Framework\Object
*/
protected function _dispatchPreparePriceEvent($select)
{
// prepare response object for event
$response = new \Magento\Framework\Object();
$response->setAdditionalCalculations(array());
// prepare event arguments
$eventArgs = array('select' => $select, 'table' => 'price_index', 'store_id' => $this->_storeManager->getStore()->getId(), 'response_object' => $response);
$this->_eventManager->dispatch('catalog_prepare_price_select', $eventArgs);
return $response;
}
/**
* Prepare additional price expression sql part
*
* @param \Magento\Framework\DB\Select $select
* @return $this
*/
protected function _preparePriceExpressionParameters($select)
{
// prepare response object for event
$response = new \Magento\Framework\Object();
$response->setAdditionalCalculations(array());
$tableAliases = array_keys($select->getPart(\Zend_Db_Select::FROM));
if (in_array(self::INDEX_TABLE_ALIAS, $tableAliases)) {
$table = self::INDEX_TABLE_ALIAS;
} else {
$table = reset($tableAliases);
}
// prepare event arguments
$eventArgs = array('select' => $select, 'table' => $table, 'store_id' => $this->getStoreId(), 'response_object' => $response);
$this->_eventManager->dispatch('catalog_prepare_price_select', $eventArgs);
$additional = join('', $response->getAdditionalCalculations());
$this->_priceExpression = $table . '.min_price';
$this->_additionalPriceExpression = $additional;
$this->_catalogPreparePriceSelect = clone $select;
return $this;
}
/**
* Prepare response object and dispatch prepare price event
* Return response object
*
* @param \Magento\Catalog\Model\Layer\Filter\Price $filter
* @param \Magento\Framework\DB\Select $select
* @return \Magento\Framework\Object
*
* @deprecated since 1.7.0.0
*/
protected function _dispatchPreparePriceEvent($filter, $select)
{
// prepare response object for event
$response = new \Magento\Framework\Object();
$response->setAdditionalCalculations(array());
return $response;
}
