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<?php |
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namespace App\Modules\Posts\Domain\Logic; |
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use App\Modules\Posts\Api\Command\CreatePostCommand; |
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use App\Modules\Posts\Api\Command\DeletePostCommand; |
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use App\Modules\Posts\Api\Command\UpdatePostCommand; |
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use App\Modules\Posts\Api\Event\Inbound\CommentCreatedPostsIEvent; |
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use App\Modules\Posts\Api\Event\Inbound\CommentsBaselinedPostsIEvent; |
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use App\Modules\Posts\Domain\Dto\PostDto; |
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use App\Modules\Posts\Domain\Repository\PostsFindingRepositoryInterface; |
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use DusanKasan\Knapsack\Collection; |
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\Uid\Ulid; |
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class PostsValidator |
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{ |
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/** |
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* @param PostsFindingRepositoryInterface $findingRepository |
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*/ |
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public function __construct( |
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private PostsFindingRepositoryInterface $findingRepository |
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) |
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{ |
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} |
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/** |
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* @param CreatePostCommand $command |
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*/ |
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function preCreate(CreatePostCommand $command): void |
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{ |
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$this->validatePostBody($command->getBody()); |
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$this->validatePostTitle($command->getTitle()); |
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$this->validatePostTags($command->getTags()); |
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} |
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/** |
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* @param UpdatePostCommand $command |
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* @return PostDto|null |
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*/ |
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public function preUpdate(UpdatePostCommand $command): ?PostDto |
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{ |
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$post = $this->validatePostExists($command->getId()); |
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$this->validatePostBody($command->getBody()); |
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$this->validatePostTitle($command->getTitle()); |
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$this->validatePostTags($command->getTags()); |
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return $post; |
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} |
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/** |
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* @param DeletePostCommand $command |
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* @return PostDto|null |
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*/ |
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public function preDelete(DeletePostCommand $command): ?PostDto |
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{ |
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return $this->validatePostExists($command->getId()); |
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} |
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public function preHandleCommentCreated(CommentCreatedPostsIEvent $event): void |
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{ |
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$this->validatePostExists($event->getPostId()); |
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} |
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public function preHandleCommentsBaselined(CommentsBaselinedPostsIEvent $event): void |
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{ |
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$this->validatePostExists($event->getPostId()); |
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} |
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/** |
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* @param Ulid $id |
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* @return PostDto|null |
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*/ |
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private function validatePostExists(Ulid $id): ?PostDto |
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{ |
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$post = $this->findingRepository->findPost($id); |
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if ($post == null) { |
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throw new NotFoundHttpException(); |
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} |
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return $post; |
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} |
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/** |
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* @param string $body |
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*/ |
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private function validatePostBody(string $body): void |
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{ |
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if (trim($body) == '') { |
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throw new BadRequestHttpException("Post Body cannot be empty"); |
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} |
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} |
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/** |
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* @param string $title |
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*/ |
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private function validatePostTitle(string $title): void |
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{ |
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if (trim($title) == '') { |
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throw new BadRequestHttpException("Post Title cannot be empty"); |
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} |
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} |
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/** |
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* @param array<string> $tags |
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*/ |
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private function validatePostTags(array $tags): void |
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{ |
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if (count(Collection::from($tags)->filter(function ($tag) { |
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return trim($tag) == ''; |
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})->toArray()) > 0) { |
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throw new BadRequestHttpException("Post Tags cannot be blank"); |
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} |
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} |
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} |
eXsio /
php-symfony-arch
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