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| 1 | <?php |
| 2 | namespace Apie\RestApi\EventListeners; |
| 3 | |
| 4 | use Apie\Common\Actions\GetListAction; |
| 5 | use Apie\Common\Events\ApieResponseCreated; |
| 6 | use Apie\Core\BoundedContext\BoundedContextId; |
| 7 | use Apie\Core\ContextConstants; |
| 8 | use Apie\Core\Datalayers\ApieDatalayer; |
| 9 | use Apie\Core\Datalayers\ApieDatalayerWithFilters; |
| 10 | use ReflectionClass; |
| 11 | use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
| 12 | |
| 13 | class AddNoVarySearchHeaderEventSubscriber implements EventSubscriberInterface |
| 14 | { |
| 15 | public static function getSubscribedEvents(): array |
| 16 | { |
| 17 | return [ |
| 18 | ApieResponseCreated::class => 'onApieResponseCreated', |
| 19 | ]; |
| 20 | } |
| 21 | |
| 22 | public function onApieResponseCreated(ApieResponseCreated $event): void |
| 23 | { |
| 24 | $context = $event->context; |
| 25 | if ( |
| 26 | !$context->getContext(ContextConstants::REST_API, false) |
| 27 | || $context->getContext(ContextConstants::APIE_ACTION, false) !== GetListAction::class |
| 28 | ) { |
| 29 | return; |
| 30 | } |
| 31 | |
| 32 | $dataLayer = $context->getContext(ApieDatalayer::class, false); |
| 33 | $resourceName = $context->getContext(ContextConstants::RESOURCE_NAME, false); |
| 34 | if ( |
| 35 | !$dataLayer instanceof ApieDatalayerWithFilters |
| 36 | || !is_string($resourceName) |
| 37 | || !class_exists($resourceName) |
| 38 | ) { |
| 39 | return; |
| 40 | } |
| 41 | |
| 42 | $resourceClass = new ReflectionClass($resourceName); |
| 43 | $boundedContextId = new BoundedContextId( |
| 44 | $context->getContext(ContextConstants::BOUNDED_CONTEXT_ID, false) ?? 'default' |
| 45 | ); |
| 46 | $filterColumns = $dataLayer->getFilterColumns($resourceClass, $boundedContextId); |
| 47 | if ($filterColumns === null) { |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | $parameters = ['page', 'items_per_page', 'search']; |
| 52 | foreach ($filterColumns as $filterColumn) { |
| 53 | $parameters[] = 'query[' . $filterColumn . ']'; |
| 54 | } |
| 55 | |
| 56 | if ($dataLayer->getOrderByColumns($resourceClass, $boundedContextId)?->count()) { |
| 57 | $parameters[] = 'order_by'; |
| 58 | } |
| 59 | |
| 60 | $except = array_map( |
| 61 | static fn (string $parameter): string => '"' . addcslashes($parameter, '"\\') . '"', |
| 62 | $parameters |
| 63 | ); |
| 64 | $event->response = $event->response->withHeader( |
| 65 | 'No-Vary-Search', |
| 66 | 'params, except=(' . implode(' ', $except) . ')' |
| 67 | ); |
| 68 | } |
| 69 | } |