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<?php |
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namespace CultuurNet\UDB3\Label\ReadModels; |
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use Broadway\Domain\DomainMessage; |
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use Broadway\Domain\Metadata; |
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use Broadway\EventHandling\EventListenerInterface; |
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use CultuurNet\UDB3\EventHandling\DelegateEventHandlingToSpecificMethodTrait; |
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use CultuurNet\UDB3\Offer\Events\AbstractLabelAdded as OfferAbstractLabelAdded; |
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use CultuurNet\UDB3\Offer\Events\AbstractLabelDeleted as OfferAbstractLabelDeleted; |
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use CultuurNet\UDB3\Organizer\Events\LabelAdded as OrganizerLabelAdded; |
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use CultuurNet\UDB3\Organizer\Events\LabelRemoved as OrganizerLabelRemoved; |
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abstract class AbstractProjector implements EventListenerInterface |
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{ |
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use DelegateEventHandlingToSpecificMethodTrait { |
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DelegateEventHandlingToSpecificMethodTrait::handle as handleSpecific; |
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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 $domainMessage) |
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{ |
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$payload = $domainMessage->getPayload(); |
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if ($this->isLabelAdded($payload)) { |
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$this->applyLabelAdded( |
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$domainMessage->getPayload(), |
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$domainMessage->getMetadata() |
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); |
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} else if ($this->isLabelDeleted($payload)) { |
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$this->applyLabelDeleted( |
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$domainMessage->getPayload(), |
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$domainMessage->getMetadata() |
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); |
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} else { |
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$this->handleSpecific($domainMessage); |
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} |
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} |
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/** |
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* @param OfferAbstractLabelAdded|OrganizerLabelAdded $labelAdded |
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* @param Metadata $metadata |
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*/ |
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abstract public function applyLabelAdded($labelAdded, Metadata $metadata); |
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/** |
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* @param OfferAbstractLabelDeleted|OrganizerLabelRemoved $labelDeleted |
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* @param Metadata $metadata |
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*/ |
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abstract public function applyLabelDeleted($labelDeleted, Metadata $metadata); |
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/** |
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* @param $payload |
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* @return bool |
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*/ |
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private function isLabelAdded($payload) |
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{ |
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return ($payload instanceof OfferAbstractLabelAdded || |
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$payload instanceof OrganizerLabelAdded); |
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} |
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/** |
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* @param $payload |
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* @return bool |
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*/ |
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private function isLabelDeleted($payload) |
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{ |
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return ($payload instanceof OfferAbstractLabelDeleted || |
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$payload instanceof OrganizerLabelRemoved); |
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} |
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} |
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cultuurnet /
udb3-php
