Publishing Unpublished Challenge

PublishUnpublishedChallengeHandler.php

<?php

class PublishUnpublishedChallengeHandler
{
    public function handle(PublishUnpublishedChallenge $command)
    {
        try {
            
            DB::beginTransaction();
            
            $publishedChallenge = $this->challengePublicationContext->publishUnpublishedChallenge($command->challenge_id);
            
            $this->memberMailer->send($publishedChallenge->getChallengeOwner(), 'Congrats, your Challenge Has Been Published');
            
            $this->feedRepository->add($publishedChallenge);
            
            $this->tweetStream->add('A new challenge has been published');
            
            $this->eventLog->log($publishedChallenge);
            
            DB::commit();
            
        } catch (Exception $e) {
            
            DB::rollback();
            
            throw $e;
            
        }
        
        return new PublishUnpublishedChallengeResponse($publishedChallenge);
    }
}