/**
* @return $this
*/
protected function _prepareCollection()
{
parent::_prepareCollection();
if (null !== $this->getRequest()->getParam('current_product_id')) {
$this->getCollection()->getSelect()->where('e.entity_id != ?', $this->getRequest()->getParam('current_product_id'));
}
$this->getCollection()->getSelect()->distinct()->join(['opt' => $this->getCollection()->getTable('catalog_product_option')], 'opt.product_id = e.entity_id', null);
return $this;
}
/**
* @return $this
*/
protected function _prepareCollection()
{
parent::_prepareCollection();
$this->getCollection()->addFieldToFilter('has_options', 1);
return $this;
}
