/**
* Return TRUE if the input has an id, and thus is an edit of an existing field.
* @param ResourceTransformer $transformer
* @param ResourceDefinition $resourceDefinition
* @param Context $context
* @param $input
* @return bool
*/
protected function hasInputIdentifier(ResourceTransformer $transformer, ResourceDefinition $resourceDefinition, Context $context, &$input)
{
$identifiers = $resourceDefinition->getFields()->getIdentifiers();
if (count($identifiers) > 0) {
foreach ($identifiers as $field) {
$value = $this->resolvePropertyInput($transformer, $input, $field, $context);
if (!$value) {
return false;
}
}
return true;
}
return false;
}
/**
* @param ResourceTransformer $transformer
* @param ResourceDefinition $definition
* @param null $request
* @return PaginationBuilder
*/
private function createPaginationBuilderFromDefinition(ResourceTransformer $transformer, ResourceDefinition $definition, $request = null)
{
$cn = $this->paginationClass;
/**
* @var PaginationBuilder $builder
*/
$builder = new $cn();
// Register attribute names
foreach ($definition->getFields() as $field) {
if ($field instanceof IdentifierField || $field instanceof ResourceField && $field->isSortable()) {
$builder->registerPropertyName($field->getName(), $field->getDisplayName());
}
}
$sorting = $transformer->getPropertyResolver()->getParameterFromRequest($request, ResourceTransformer::SORT_PARAMETER);
$sortedOn = [];
if ($sorting) {
$sortFields = explode(',', $sorting);
// Set the sort order
foreach ($sortFields as $sortField) {
if (mb_substr($sortField, 0, 1) === '!') {
$sortField = mb_substr($sortField, 1);
$direction = OrderParameter::DESC;
} else {
$direction = OrderParameter::ASC;
}
$field = $definition->getFields()->getFromDisplayName($sortField);
if ($field) {
if ($field->isSortable()) {
$sortedOn[$field->getName()] = true;
$builder->orderBy(new OrderParameter($field->getName(), $direction));
}
} else {
// Check sortable
switch ($sortField) {
case self::RANDOM:
$this->handleRandomOrder($builder, $direction, $request);
break;
}
}
}
}
// Add all
foreach ($definition->getFields() as $field) {
if ($field instanceof IdentifierField && !isset($sortedOn[$field->getName()])) {
$builder->orderBy(new OrderParameter($field->getName(), OrderParameter::ASC));
}
}
// Set request
if (isset($request)) {
$builder->setRequest($request);
}
return $builder;
}
