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<?php |
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namespace CultuurNet\UDB3\Offer\ReadModel\History; |
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use Broadway\Domain\DateTime; |
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use Broadway\Domain\DomainMessage; |
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use Broadway\Domain\Metadata; |
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use CultuurNet\UDB3\Event\ReadModel\DocumentRepositoryInterface; |
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use CultuurNet\UDB3\Event\ReadModel\History\Log; |
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use CultuurNet\UDB3\EventHandling\DelegateEventHandlingToSpecificMethodTrait; |
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use CultuurNet\UDB3\Offer\Events\AbstractDescriptionTranslated; |
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use CultuurNet\UDB3\Offer\Events\AbstractLabelAdded; |
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use CultuurNet\UDB3\Offer\Events\AbstractLabelRemoved; |
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use CultuurNet\UDB3\Offer\Events\AbstractTitleTranslated; |
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use CultuurNet\UDB3\ReadModel\JsonDocument; |
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use ValueObjects\StringLiteral\StringLiteral; |
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abstract class OfferHistoryProjector |
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{ |
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use DelegateEventHandlingToSpecificMethodTrait { |
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DelegateEventHandlingToSpecificMethodTrait::handle as handleUnknownEvents; |
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} |
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/** |
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* @var DocumentRepositoryInterface |
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*/ |
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private $documentRepository; |
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public function __construct(DocumentRepositoryInterface $documentRepository) |
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{ |
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$this->documentRepository = $documentRepository; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handle(DomainMessage $domainMessage) |
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{ |
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$event = $domainMessage->getPayload(); |
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$eventName = get_class($event); |
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$eventHandlers = $this->getEventHandlers(); |
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if (isset($eventHandlers[$eventName])) { |
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$handler = $eventHandlers[$eventName]; |
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call_user_func(array($this, $handler), $event, $domainMessage); |
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} else { |
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$this->handleUnknownEvents($domainMessage); |
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} |
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} |
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/** |
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* @return string[] |
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* An associative array of commands and their handler methods. |
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*/ |
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protected function getEventHandlers() |
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{ |
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$events = []; |
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foreach (get_class_methods($this) as $method) { |
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$matches = []; |
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if (preg_match('/^apply(.+)$/', $method, $matches)) { |
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$event = $matches[1]; |
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$classNameMethod = 'get' . $event . 'ClassName'; |
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if (method_exists($this, $classNameMethod)) { |
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$eventFullClassName = call_user_func(array($this, $classNameMethod)); |
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$events[$eventFullClassName] = $method; |
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} |
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} |
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} |
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return $events; |
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} |
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/** |
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* @return string |
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*/ |
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abstract protected function getLabelAddedClassName(); |
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/** |
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* @return string |
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*/ |
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abstract protected function getLabelRemovedClassName(); |
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/** |
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* @return string |
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*/ |
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abstract protected function getTitleTranslatedClassName(); |
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/** |
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* @return string |
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*/ |
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abstract protected function getDescriptionTranslatedClassName(); |
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/** |
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* @param AbstractLabelAdded $labelAdded |
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* @param DomainMessage $domainMessage |
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*/ |
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protected function applyLabelAdded( |
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AbstractLabelAdded $labelAdded, |
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DomainMessage $domainMessage |
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) { |
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$this->writeHistory( |
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$labelAdded->getItemId(), |
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new Log( |
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$this->domainMessageDateToNativeDate($domainMessage->getRecordedOn()), |
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new StringLiteral("Label '{$labelAdded->getLabel()}' toegepast"), |
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$this->getAuthorFromMetadata($domainMessage->getMetadata()), |
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$this->getApiKeyFromMetadata($domainMessage->getMetadata()), |
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$this->getApiFromMetadata($domainMessage->getMetadata()) |
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) |
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); |
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} |
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/** |
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* @param AbstractLabelRemoved $labelRemoved |
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* @param DomainMessage $domainMessage |
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*/ |
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protected function applyLabelRemoved( |
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AbstractLabelRemoved $labelRemoved, |
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DomainMessage $domainMessage |
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) { |
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$this->writeHistory( |
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$labelRemoved->getItemId(), |
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new Log( |
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$this->domainMessageDateToNativeDate($domainMessage->getRecordedOn()), |
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new StringLiteral("Label '{$labelRemoved->getLabel()}' verwijderd"), |
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$this->getAuthorFromMetadata($domainMessage->getMetadata()), |
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$this->getApiKeyFromMetadata($domainMessage->getMetadata()), |
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$this->getApiFromMetadata($domainMessage->getMetadata()) |
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) |
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); |
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} |
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protected function applyTitleTranslated( |
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AbstractTitleTranslated $titleTranslated, |
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DomainMessage $domainMessage |
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) { |
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$this->writeHistory( |
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$titleTranslated->getItemId(), |
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new Log( |
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$this->domainMessageDateToNativeDate($domainMessage->getRecordedOn()), |
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new StringLiteral("Titel vertaald ({$titleTranslated->getLanguage()})"), |
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$this->getAuthorFromMetadata($domainMessage->getMetadata()), |
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$this->getApiKeyFromMetadata($domainMessage->getMetadata()), |
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$this->getApiFromMetadata($domainMessage->getMetadata()) |
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) |
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); |
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} |
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protected function applyDescriptionTranslated( |
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AbstractDescriptionTranslated $descriptionTranslated, |
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DomainMessage $domainMessage |
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) { |
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$this->writeHistory( |
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$descriptionTranslated->getItemId(), |
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new Log( |
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$this->domainMessageDateToNativeDate($domainMessage->getRecordedOn()), |
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new StringLiteral("Beschrijving vertaald ({$descriptionTranslated->getLanguage()})"), |
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$this->getAuthorFromMetadata($domainMessage->getMetadata()), |
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$this->getApiKeyFromMetadata($domainMessage->getMetadata()), |
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$this->getApiFromMetadata($domainMessage->getMetadata()) |
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) |
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); |
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} |
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/** |
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* @param DateTime $date |
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* @return \DateTime |
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*/ |
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protected function domainMessageDateToNativeDate(DateTime $date) |
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{ |
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$dateString = $date->toString(); |
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return \DateTime::createFromFormat( |
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DateTime::FORMAT_STRING, |
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$dateString |
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); |
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} |
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/** |
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* @param $dateString |
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* @return \DateTime |
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*/ |
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protected function dateFromUdb2DateString($dateString) |
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{ |
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return \DateTime::createFromFormat( |
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'Y-m-d?H:i:s', |
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$dateString, |
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new \DateTimeZone('Europe/Brussels') |
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); |
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} |
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/** |
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* @param Metadata $metadata |
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* @return String|null |
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*/ |
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protected function getAuthorFromMetadata(Metadata $metadata) |
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{ |
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$properties = $metadata->serialize(); |
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if (isset($properties['user_nick'])) { |
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return new StringLiteral($properties['user_nick']); |
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} |
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} |
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/** |
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* @param Metadata $metadata |
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* @return String|null |
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*/ |
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protected function getConsumerFromMetadata(Metadata $metadata) |
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{ |
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$properties = $metadata->serialize(); |
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if (isset($properties['consumer']['name'])) { |
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return new StringLiteral($properties['consumer']['name']); |
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} |
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} |
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/** |
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* @param string $eventId |
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* @return JsonDocument |
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*/ |
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protected function loadDocumentFromRepositoryByEventId($eventId) |
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{ |
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$historyDocument = $this->documentRepository->get($eventId); |
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if (!$historyDocument) { |
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$historyDocument = new JsonDocument($eventId, '[]'); |
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} |
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return $historyDocument; |
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} |
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/** |
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* @param string $eventId |
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* @param Log[]|Log $logs |
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*/ |
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protected function writeHistory($eventId, $logs) |
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{ |
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$historyDocument = $this->loadDocumentFromRepositoryByEventId($eventId); |
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$history = $historyDocument->getBody(); |
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if (!is_array($logs)) { |
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$logs = [$logs]; |
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} |
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// Append most recent one to the top. |
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foreach ($logs as $log) { |
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array_unshift($history, $log); |
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} |
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$this->documentRepository->save( |
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$historyDocument->withBody($history) |
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); |
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} |
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protected function getApiKeyFromMetadata(Metadata $metadata): ?string |
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{ |
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$properties = $metadata->serialize(); |
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if (isset($properties['auth_api_key'])) { |
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return $properties['auth_api_key']; |
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} |
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return null; |
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} |
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protected function getApiFromMetadata(Metadata $metadata): ?string |
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{ |
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$properties = $metadata->serialize(); |
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if (isset($properties['api'])) { |
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return $properties['api']; |
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} |
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return null; |
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} |
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} |
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