/**
* Filters the item to keep only association related fields
*
* @param array $item
*
* @return array
*/
protected function filter(array $item)
{
$expectedFields = [$this->attrColumnsResolver->resolveIdentifierField(), 'associations'];
foreach (array_keys($item) as $fieldName) {
if (!in_array($fieldName, $expectedFields)) {
unset($item[$fieldName]);
}
}
return $item;
}
/**
* @param array $item
*
* @throws StructureArrayConversionException
*/
protected function validateOptionalFields(array $item)
{
$optionalFields = array_merge(['family', 'enabled', 'categories', 'groups'], $this->attrColumnsResolver->resolveAttributeColumns(), $this->getOptionalAssociationFields());
// index $optionalFields by keys to improve performances
$optionalFields = array_combine($optionalFields, $optionalFields);
$unknownFields = [];
foreach (array_keys($item) as $field) {
if (!isset($optionalFields[$field])) {
$unknownFields[] = $field;
}
}
if (0 < count($unknownFields)) {
$message = count($unknownFields) > 1 ? 'The fields "%s" do not exist' : 'The field "%s" does not exist';
throw new StructureArrayConversionException(sprintf($message, implode(', ', $unknownFields)));
}
}
