date-poll-api/src/Controller/CommentController.php

<?php

namespace App\Controller;

use App\Entity\Comment;
use App\Entity\Owner;
use App\Entity\Poll;
use DateTime;
use FOS\RestBundle\Controller\Annotations\Delete;
use FOS\RestBundle\Controller\Annotations\Get;
use FOS\RestBundle\Controller\Annotations\Post;
use FOS\RestBundle\Controller\Annotations\Route;
use JMS\Serializer\SerializerBuilder;
use JMS\Serializer\SerializerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

/**
 * Class DefaultController
 * @package App\Controller
 * @Route("/api/v1",name="api_")
 */
class CommentController extends FramadateController {

	/**
	 * @Get(
	 *     path = "/poll/{id}/comments",
	 *     name = "get_poll_comment",
	 *     requirements = {"id"="\d+"}
	 * )
	 */
	public
	function getPollCommentsAction(
      SerializerInterface $serializer,
      Poll $poll
	) {
    $jsonResponse = $serializer->serialize([
        'message' => 'here are your comments of the poll',
        'data'    => $poll->getComments()], 'json');

    $response = new Response($jsonResponse);
    $response->headers->set('Content-Type', 'application/json');
    $response->setStatusCode(200);

    return $response;

	}

	/**
	 * add a comment on a poll
	 * @Post(
	 *     path = "/poll/{id}/comment",
	 *     name = "new_comment",
	 *     requirements = {"content"="\w+",  "id"="\d+"}
	 * )
	 */
	public
	function newCommentAction(
		Poll $poll,
		Request $request
	) {
		if ( ! $poll ) {
			return $this->json( [ 'message' => 'poll not found' ], 404 );
		}
		$data = $request->getContent();

		$serializer = SerializerBuilder::create()->build();
		$comment    = $serializer->deserialize( $data, 'App\Entity\Comment', 'json' );

		$em = $this->getDoctrine()->getRepository( Owner::class );

		$data = json_decode( $data, true );
		if(!isset($data['email'])) {
			return $this->json(["message" => "Incorrect JSON in request"], 400);
		}

		$foundOwner = $em->findOneByEmail( $data[ 'email' ] );
		// manage existing or new Owner
		if ( ! $foundOwner ) {
			$foundOwner = new Owner();
			$foundOwner->setPseudo( $data[ 'email' ] )
			           ->setEmail( $data[ 'email' ] )
			           ->setModifierToken( uniqid( '', true ) );
		}
		// anti flood
		$seconds_limit_lastpost = 5;
		$emComment              = $this->getDoctrine()->getRepository( Comment::class );
		$lastCommentOfOwner     = $emComment->findBy( [ 'owner' => $foundOwner ], [ 'id' => 'desc' ] );

		// TODO anti flood by session / IP

		if ( $lastCommentOfOwner ) {


			// check time of last comment
			$now         = new DateTime();
			$now         = $now->format( 'Y-m-d H:i:s' );
			$date_first  = strtotime( $lastCommentOfOwner[ 0 ]->getCreatedAt()->format( 'Y-m-d H:i:s' ) );
			$date_second = strtotime( $now );

			if ( ( $date_second - $date_first ) < $seconds_limit_lastpost ) {
				return $this->json( [
					'message' => 'anti flood déclenché',
					'details' => 'votre deriner commentaire a été envoyé il y a moins de ' . $seconds_limit_lastpost . ' secondes',
				],
					403 );
			}

			// check similar text content
			if ( $lastCommentOfOwner[ 0 ]->getText() == $comment->getText() ) {
				return $this->json( [
					'message' => 'anti flood déclenché',
					'details' => 'votre deriner commentaire a exactement le même contenu que celui ci, il n\'a donc pas été créé',
				],
					403 );
			}
		}
		$comment->setOwner( $foundOwner )
		        ->setCreatedAt( new DateTime() )
		        ->setPoll( $poll );
		$foundOwner->addComment( $comment );

		$em = $this->getDoctrine()->getManager();
		$em->persist( $foundOwner );
		$em->persist( $comment );
		$em->flush();

		if($poll->getMailOnComment()){
			$this->sendCommentNotificationAction($foundOwner, $comment);
		}


		return $this->json( [
			'message' => 'you created a comment',
			'data'    => [
				'your_comment' => $comment->display(),
			],
		],
			201 );
	}

	/**
	 * Erase all comments of a poll
	 * @Delete(
	 *     path = "/poll/{id}/comments",
	 *     name = "poll_comments_delete",
	 *     requirements = {"accessToken"="\w+",  "id"="\d+"}
	 * )
	 *
	 * @param Poll $poll
	 * @param $accessToken
	 *
	 * @return JsonResponse
	 */
	public
	function deletePollCommentsAction(
		Poll $poll,
		$accessToken
	) {
		if ( $accessToken == $poll->getAdminKey() ) {
			$em     = $this->getDoctrine()->getManager();
			$length = count( $poll->getComments() );
			$em->remove( $poll->getComments() );
			$em->flush();

			return $this->json( [
				'message' => 'boom! les ' . $length . ' commentaires du sondage ont été supprimés',
			] );
		} else {
			return $this->json( [
				'message' => 'le token d\'autorisation est invalide, vous ne pouvez pas modifier ce sondage',
			] );
		}
	}

}