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<?php
declare(strict_types=1);
namespace JMS\Serializer\Exclusion;
use JMS\Serializer\Context;
use JMS\Serializer\Exception\RuntimeException;
use JMS\Serializer\Metadata\ClassMetadata;
use JMS\Serializer\Metadata\PropertyMetadata;
final class GroupsExclusionStrategy implements ExclusionStrategyInterface
{
public const DEFAULT_GROUP = 'Default';
/**
* @var array
*/
private $groups = [];
/**
* @var bool
*/
private $nestedGroups = false;
public function __construct(array $groups)
{
if (empty($groups)) {
$groups = [self::DEFAULT_GROUP];
}
foreach ($groups as $group) {
if (is_array($group)) {
$this->nestedGroups = true;
break;
}
}
if ($this->nestedGroups) {
$this->groups = $groups;
} else {
foreach ($groups as $group) {
$this->groups[$group] = true;
}
}
}
/**
* {@inheritDoc}
*/
public function shouldSkipClass(ClassMetadata $metadata, Context $navigatorContext): bool
{
return false;
}
/**
* {@inheritDoc}
*/
public function shouldSkipProperty(PropertyMetadata $property, Context $navigatorContext): bool
{
if ($this->nestedGroups) {
$groups = $this->getGroupsFor($navigatorContext);
if (!$property->groups) {
return !in_array(self::DEFAULT_GROUP, $groups);
}
return $this->shouldSkipUsingGroups($property, $groups);
} else {
if (!$property->groups) {
return !isset($this->groups[self::DEFAULT_GROUP]);
}
foreach ($property->groups as $group) {
if (isset($this->groups[$group])) {
return false;
}
}
return true;
}
}
private function shouldSkipUsingGroups(PropertyMetadata $property, array $groups): bool
{
foreach ($property->groups as $group) {
if (in_array($group, $groups)) {
return false;
}
}
return true;
}
private function getGroupsFor(Context $navigatorContext): array
{
$paths = $navigatorContext->getCurrentPath();
$groups = $this->groups;
foreach ($paths as $index => $path) {
if (!array_key_exists($path, $groups)) {
break;
}
if (!is_array($groups[$path])) {
throw new RuntimeException(sprintf('The group value for the property path "%s" should be an array, "%s" given', $index, gettype($groups[$path])));
}
$groups = $groups[$path];
}
return $groups;
}
}