/**
* Create Diff Data between incoming Attribute and existing Attribute Data
*
* @param Mage_Catalog_Model_Entity_Attribute $attribute Attribute to update
* @param Aoe_AttributeConfigurator_Model_Config_Attribute $attributeConfig Attribute config
* @return array
*/
protected function _getAttributeDiff($attribute, $attributeConfig)
{
$incomingData = $attributeConfig->getSettingsAsArray();
$existingData = $attribute->getData();
$diff = [];
foreach ($incomingData as $key => $value) {
/**
* Only add this to the diff if key exists in Attribute Config (limiting incoming to valid settings)
* and Incoming is different from existing setting
* and Incoming Value is not empty (empty values are being ignored then
*/
if (array_key_exists(trim($key), $existingData) && $existingData[trim($key)] != $value && !empty($value)) {
$diff[] = $key;
}
}
return $diff;
}
