<?php

/*

 * This file is part of the WikiTagBundle package.

 *

 * (c) IRI <http://www.iri.centrepompidou.fr/>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace IRI\Bundle\WikiTagBundle\Services;

use Symfony\Component\DependencyInjection\ContainerAware;

use Symfony\Component\DependencyInjection\ContainerInterface;

class DocumentService extends ContainerAware

{

    /**

     * Get the container associated with this service.

     * @return ContainerInterface

     */

    public function getContainer()

    {

        return $this->container;

    }

    /**

     * Public constructor with container as parameter for contruct injection.

     * @param ContainerInterface $container

     */

    public function __construct(ContainerInterface $container)

    {

        $this->setContainer($container);

    }

    private $doctrine;

    public function getDoctrine()

    {

        if(is_null($this->doctrine))

        {

            $this->doctrine = $this->getContainer()->get('doctrine');

        }

        return $this->doctrine;

    }

    /**

     * Copy the list of tags of one document to another.

	 *

     * @param mixed $id_doc_src the source document id

     * @param mixed $id_doc_tgt the target document id

     */

    public function copyTags($id_doc_src, $id_doc_tgt)

    {

        $doctrine = $this->getDoctrine();

        $em = $doctrine->getEntityManager();

        $doc_rep = $em->getRepository("WikiTagBundle:Document");

        $src_doc = $doc_rep->findOneByExternalId($id_doc_src);

        if(is_null($src_doc))

        {

            throw new Exception("cloneTags: no source doc");

        }

        $tgt_doc = $doc_rep->findOneByExternalId($id_doc_tgt);

        if(is_null($tgt_doc))

        {

            throw new Exception("cloneTags: no target doc");

        }

        $doc_rep->copyTags($src_doc, $tgt_doc);

        $em->flush();

    }

}