/**
* Add condition to collection
*
* @param \Magento\Catalog\Model\ResourceModel\Product\Collection $collection
* @return $this
*/
public function addToCollection($collection)
{
$attribute = $this->getAttributeObject();
if ($collection->isEnabledFlat()) {
$alias = array_keys($collection->getSelect()->getPart('from'))[0];
$this->joinedAttributes[$attribute->getAttributeCode()] = $alias . '.' . $attribute->getAttributeCode();
return $this;
}
if ('category_ids' == $attribute->getAttributeCode() || $attribute->isStatic()) {
return $this;
}
if ($attribute->getBackend() && $attribute->isScopeGlobal()) {
$this->addGlobalAttribute($attribute, $collection);
} else {
$this->addNotGlobalAttribute($attribute, $collection);
}
$attributes = $this->getRule()->getCollectedAttributes();
$attributes[$attribute->getAttributeCode()] = true;
$this->getRule()->setCollectedAttributes($attributes);
return $this;
}
/**
* Retrieve is flat enabled flag
* Overwrite disable flat for compared item if required EAV resource
*
* @return bool
*/
public function isEnabledFlat()
{
if (!$this->_catalogProductCompare->getAllowUsedFlat()) {
return false;
}
return parent::isEnabledFlat();
}
