ObjectToArrayTransformer

ObjectToArrayTransformer

<?php

namespace CampaignTool\CampaignToolBundle\Form\DataTransformer;

use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Doctrine\Common\Persistence\ObjectManager;
use CampaignTool\CampaignToolBundle\Entity\Telephone;

class ObjectToArrayTransformer  implements DataTransformerInterface
{
    /**
     * @var ObjectManager
     */
    private $om;

    /**
     * @param ObjectManager $om
     */
    public function __construct(ObjectManager $om)
    {
        $this->om = $om;
    }

    /**
     * Transforms an object (telephoneNumbers) to a string (number).
     *
     * @param  Issue|null $telephoneNumbers
     * @return string
     */
    public function transform($telephoneNumbers)
    {
        if (null === $telephoneNumbers) {
            return "";
        }
        foreach($telephoneNumbers as $telephoneNumber)
        {
            $numbersArray[] = $telephoneNumber->getTelephoneNumber();
        }
         return $numbersArray;

    }

    /**
     * Transforms a string (number) to an object (telephoneNumbers).
     *
     * @param  string $number
     *
     * @return Issue|null
     *
     * @throws TransformationFailedException if object (telephoneNumbers) is not found.
     */
    public function reverseTransform($number)
    {
        if (!$number) {
            return null;
        }

        foreach($number as $num)
        {
            $telephoneId = $num->getId();
            $telephoneNumbers[] = $this->om->getRepository('CampaignToolBundle:Telephone')->findOneBy(array('Id' => $telephoneId));
        }

        if (null === $telephoneNumbers) {
            throw new TransformationFailedException(sprintf(
                'An telephoneNumbers with number "%s" does not exist!',
                $number
            ));
        }

        return $telephoneNumbers;
    }
}