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<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace ApiPlatform\Api\QueryParameterValidator\Validator;
final class ArrayItems implements ValidatorInterface
{
/**
* {@inheritdoc}
*/
public function validate(string $name, array $filterDescription, array $queryParameters): array
{
if (!\array_key_exists($name, $queryParameters)) {
return [];
}
$maxItems = $filterDescription['swagger']['maxItems'] ?? null;
$minItems = $filterDescription['swagger']['minItems'] ?? null;
$uniqueItems = $filterDescription['swagger']['uniqueItems'] ?? false;
$errorList = [];
$value = $this->getValue($name, $filterDescription, $queryParameters);
$nbItems = \count($value);
if (null !== $maxItems && $nbItems > $maxItems) {
$errorList[] = sprintf('Query parameter "%s" must contain less than %d values', $name, $maxItems);
}
if (null !== $minItems && $nbItems < $minItems) {
$errorList[] = sprintf('Query parameter "%s" must contain more than %d values', $name, $minItems);
}
if (true === $uniqueItems && $nbItems > \count(array_unique($value))) {
$errorList[] = sprintf('Query parameter "%s" must contain unique values', $name);
}
return $errorList;
}
private function getValue(string $name, array $filterDescription, array $queryParameters): array
{
$value = $queryParameters[$name] ?? null;
if (empty($value) && '0' !== $value) {
return [];
}
if (\is_array($value)) {
return $value;
}
$collectionFormat = $filterDescription['swagger']['collectionFormat'] ?? 'csv';
return explode(self::getSeparator($collectionFormat), $value) ?: []; // @phpstan-ignore-line
}
/**
* @return non-empty-string
*/
private static function getSeparator(string $collectionFormat): string
{
switch ($collectionFormat) {
case 'csv':
return ',';
case 'ssv':
return ' ';
case 'tsv':
return '\t';
case 'pipes':
return '|';
default:
throw new \InvalidArgumentException(sprintf('Unknown collection format %s', $collectionFormat));
}
}
}
class_alias(ArrayItems::class, \ApiPlatform\Core\Filter\Validator\ArrayItems::class);