Eole\Sandstone\Websocket\Routing\TopicRouter::loadTopic()

Complexity

Conditions	3
Paths	3

Size

Total Lines	21
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function loadTopic($topicPath)
    {
        $arguments = $this->urlMatcher->match('/'.$topicPath);
        $topicFactory = $arguments['_topic_factory'];

        if (!is_callable($topicFactory)) {
            throw new LogicException("Topic $topicPath is not a callback.");
        }

        $topicInstance = $topicFactory($topicPath, $arguments);

        if (!$topicInstance instanceof Topic) {
            throw new LogicException(sprintf(
                'Topic callback for %s must return an instance of %s.',
                $topicPath,
                Topic::class
            ));
        }

        return $topicInstance;
    }
}