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<?php |
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namespace CultuurNet\UDB3\Label\ReadModels\JSON; |
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use Broadway\Domain\DomainMessage; |
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use Broadway\EventHandling\EventListenerInterface; |
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use CultuurNet\UDB3\Event\ReadModel\DocumentGoneException; |
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use CultuurNet\UDB3\Event\ReadModel\DocumentRepositoryInterface; |
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use CultuurNet\UDB3\Label\Events\MadeInvisible; |
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use CultuurNet\UDB3\Label\Events\MadeVisible; |
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use CultuurNet\UDB3\Label\ReadModels\Relations\Repository\ReadRepositoryInterface; |
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use CultuurNet\UDB3\Label\ValueObjects\LabelName; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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class ItemVisibilityProjector implements EventListenerInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var DocumentRepositoryInterface |
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*/ |
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private $itemRepository; |
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/** |
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* @var ReadRepositoryInterface |
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*/ |
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private $relationRepository; |
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/** |
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* @param DocumentRepositoryInterface $itemRepository |
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* @param ReadRepositoryInterface $relationRepository |
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*/ |
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public function __construct( |
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DocumentRepositoryInterface $itemRepository, |
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ReadRepositoryInterface $relationRepository |
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) { |
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$this->itemRepository = $itemRepository; |
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$this->relationRepository = $relationRepository; |
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$this->logger = new NullLogger(); |
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} |
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/** |
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* @param DomainMessage $domainMessage |
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*/ |
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public function handle(DomainMessage $domainMessage) |
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{ |
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$event = $domainMessage->getPayload(); |
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if ($event instanceof MadeVisible) { |
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$this->applyMadeVisible($domainMessage->getPayload()); |
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} else if ($event instanceof MadeInvisible) { |
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$this->applyMadeInvisible($domainMessage->getPayload()); |
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} |
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} |
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/** |
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* @param MadeVisible $madeVisible |
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*/ |
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public function applyMadeVisible(MadeVisible $madeVisible) |
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{ |
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$this->updateLabels($madeVisible->getName(), true); |
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} |
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/** |
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* @param MadeInvisible $madeInvisible |
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*/ |
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public function applyMadeInvisible(MadeInvisible $madeInvisible) |
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{ |
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$this->updateLabels($madeInvisible->getName(), false); |
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} |
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/** |
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* @param LabelName $labelName |
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* @param bool $madeVisible |
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*/ |
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private function updateLabels(LabelName $labelName, $madeVisible) |
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{ |
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$items = $this->getRelatedItems($labelName); |
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$removeFrom = $madeVisible ? 'hiddenLabels' : 'labels'; |
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$addTo = $madeVisible ? 'labels' : 'hiddenLabels'; |
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foreach ($items as $item) { |
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$offerLd = $item->getBody(); |
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$addToArray = isset($offerLd->{$addTo}) ? (array) $offerLd->{$addTo} : []; |
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$addToArray[] = $labelName->toNative(); |
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$offerLd->{$addTo} = array_values(array_unique($addToArray)); |
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if (isset($offerLd->{$removeFrom})) { |
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$offerLd->{$removeFrom} = array_values( |
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array_diff((array) $offerLd->{$removeFrom}, [$labelName]) |
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); |
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if (count($offerLd->{$removeFrom}) === 0) { |
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unset($offerLd->{$removeFrom}); |
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} |
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} |
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$this->itemRepository->save($item->withBody($offerLd)); |
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} |
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} |
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/** |
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* @param LabelName $labelName |
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* @return \CultuurNet\UDB3\ReadModel\JsonDocument[]|\Generator |
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*/ |
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private function getRelatedItems(LabelName $labelName) |
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{ |
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$labelRelations = $this->relationRepository->getLabelRelations($labelName); |
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foreach ($labelRelations as $labelRelation) { |
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try { |
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$document = $this->itemRepository->get((string)$labelRelation->getRelationId()); |
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if ($document) { |
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yield $document; |
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} |
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} catch (DocumentGoneException $exception) { |
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$this->logger->alert( |
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'Can not update visibility of label: "'. $labelRelation->getLabelName() . '"' |
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. ' for the relation with id: "' . $labelRelation->getRelationId() . '"' |
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. ' because the document could not be retrieved.' |
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); |
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} |
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} |
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} |
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} |
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cultuurnet /
udb3-php
