no se puede usar un transformer para el cliente

Form/Transformer/ClientTransformer.php

@@ -1,64 +0,0 @@
-<?php
-namespace WebserviceBundle\Form\Transformer;
-
-use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Component\Form\DataTransformerInterface;
-use Symfony\Component\Form\Exception\TransformationFailedException;
-
-class ClientTransformer implements DataTransformerInterface
-{
-    private $em;
-
-    public function __construct(EntityManagerInterface $em)
-    {
-        $this->em = $em;
-    }
-
-    /**
-     * Transforms an object (issue) to a string (number).
-     *
-     * @param  Int | null $client
-     * @return string
-     */
-    public function transform($client)
-    {
-        if (null === $client) {
-            return '';
-        }
-
-        return $client;
-    }
-
-    /**
-     * Transforms a string (query pattern) to an client id (using the web service).
-     *
-     * @param  string $client_query_param
-     * @return Issue|null
-     * @throws TransformationFailedException if object (issue) is not found.
-     */
-    public function reverseTransform($client_query_param)
-    {
-        // no issue number? It's optional, so that's ok
-        if (!$issueNumber) {
-            return;
-        }
-
-        $issue = $this->em
-            ->getRepository(Issue::class)
-            // query for the issue with this id
-            ->find($issueNumber)
-        ;
-
-        if (null === $issue) {
-            // causes a validation error
-            // this message is not shown to the user
-            // see the invalid_message option
-            throw new TransformationFailedException(sprintf(
-                'An Client could not be found for the query "%s"!',
-                $issueNumber
-            ));
-        }
-
-        return $issue;
-    }
-}