public function testIsEmpty()
{
$this->assertFalse($this->sorting->isEmpty());
}
/**
* @param JsonApiSerializer $serializer
* @param string $className
* @param Sorting $sorting
* @param ErrorBag $errorBag
*/
protected static function validateSortParams(JsonApiSerializer $serializer, $className, Sorting $sorting, ErrorBag $errorBag)
{
if (false === $sorting->isEmpty()) {
if ($mapping = $serializer->getTransformer()->getMappingByClassName($className)) {
$aliased = (array) $mapping->getAliasedProperties();
$sortsFields = str_replace(array_values($aliased), array_keys($aliased), $sorting->fields());
$invalidProperties = array_diff($sortsFields, $mapping->getProperties());
foreach ($invalidProperties as $extraField) {
$errorBag[] = new InvalidSortError($extraField);
}
}
}
}
