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<?php |
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namespace RayRutjes\GetEventStore\Client\Http\Feed; |
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use RayRutjes\GetEventStore\EventRecord; |
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class EventStreamFeed |
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{ |
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/** |
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* @var array |
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*/ |
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private $events; |
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/** |
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* @var array |
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*/ |
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private $links = []; |
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/** |
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* @var string |
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*/ |
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private $eTag; |
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/** |
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* @var bool |
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*/ |
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private $isHeadOfStream; |
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/** |
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* @param array $events |
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* @param array $links |
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* @param bool $isHeadOfStream |
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* @param string $eTag |
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*/ |
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public function __construct(array $events, array $links, bool $isHeadOfStream, string $eTag = null) |
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{ |
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$this->validateEvents($events); |
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$this->events = $events; |
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foreach ($links as $link) { |
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$this->validateLink($link); |
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$this->links[$link->getRelation()] = $link; |
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} |
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$this->isHeadOfStream = $isHeadOfStream; |
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$this->eTag = $eTag; |
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} |
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/** |
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* @param array $events |
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* |
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* @return mixed |
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*/ |
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private function validateEvents(array $events) |
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{ |
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foreach ($events as $event) { |
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if (!$event instanceof EventRecord) { |
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throw new \InvalidArgumentException(sprintf('Expected EventRecord, got %s', get_class($event))); |
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} |
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} |
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} |
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/** |
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* @param $link |
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*/ |
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private function validateLink($link) |
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{ |
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if (!$link instanceof EventStreamFeedLink) { |
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throw new \InvalidArgumentException('Invalid link type %s.', get_class($link)); |
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} |
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if (isset($this->links[$link->getRelation()])) { |
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throw new \InvalidArgumentException(sprintf('Link relation %s already there.', $link->getRelation())); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasPreviousLink(): bool |
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{ |
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return isset($this->links[EventStreamFeedLink::LINK_PREVIOUS]); |
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} |
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/** |
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* @return EventStreamFeedLink |
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*/ |
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public function getPreviousLink(): EventStreamFeedLink |
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{ |
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return $this->links[EventStreamFeedLink::LINK_PREVIOUS]; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasNextLink(): bool |
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{ |
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return isset($this->links[EventStreamFeedLink::LINK_NEXT]); |
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} |
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/** |
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* @return EventStreamFeedLink |
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*/ |
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public function getNextLink(): EventStreamFeedLink |
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{ |
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return $this->links[EventStreamFeedLink::LINK_NEXT]; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasLastLink(): bool |
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{ |
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return isset($this->links[EventStreamFeedLink::LINK_LAST]); |
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} |
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/** |
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* @return EventStreamFeedLink |
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*/ |
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public function getLastLink(): EventStreamFeedLink |
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{ |
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return $this->links[EventStreamFeedLink::LINK_LAST]; |
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} |
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/** |
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* @return string |
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*/ |
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public function getETag(): string |
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{ |
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return $this->eTag; |
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} |
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/** |
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* @return array |
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*/ |
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public function getEvents(): array |
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{ |
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return $this->events; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isHeadOfStream(): bool |
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{ |
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return $this->isHeadOfStream; |
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} |
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} |
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rayrutjes /
php-geteventstore-client
