[パート４] - コメントモデル: コメントの追加、 Doctrine リポジトリとマイグレーション¶

// src/Blogger/BlogBundle/Controller/PageController.php
class PageController extends Controller
{
    public function indexAction()
    {
        $em = $this->getDoctrine()
                   ->getEntityManager();

        $blogs = $em->createQueryBuilder()
                    ->select('b')
                    ->from('BloggerBlogBundle:Blog',  'b')
                    ->addOrderBy('b.created', 'DESC')
                    ->getQuery()
                    ->getResult();

        return $this->render('BloggerBlogBundle:Page:index.html.twig', array(
            'blogs' => $blogs
        ));
    }

    // ..
}

<?php
// src/Blogger/BlogBundle/DataFixtures/ORM/CommentFixtures.php

namespace Blogger\BlogBundle\DataFixtures\ORM;

use Doctrine\Common\DataFixtures\AbstractFixture;
use Doctrine\Common\DataFixtures\OrderedFixtureInterface;
use Doctrine\Common\Persistence\ObjectManager;
use Blogger\BlogBundle\Entity\Comment;
use Blogger\BlogBundle\Entity\Blog;

class CommentFixtures extends AbstractFixture implements OrderedFixtureInterface
{
    public function load(ObjectManager $manager)
    {
        $comment = new Comment();
        $comment->setUser('symfony');
        $comment->setComment('To make a long story short. You can\'t go wrong by choosing Symfony! And no one has ever been fired for using Symfony.');
        $comment->setBlog($manager->merge($this->getReference('blog-1')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('David');
        $comment->setComment('To make a long story short. Choosing a framework must not be taken lightly; it is a long-term commitment. Make sure that you make the right selection!');
        $comment->setBlog($manager->merge($this->getReference('blog-1')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Dade');
        $comment->setComment('Anything else, mom? You want me to mow the lawn? Oops! I forgot, New York, No grass.');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Kate');
        $comment->setComment('Are you challenging me? ');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 06:15:20"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Dade');
        $comment->setComment('Name your stakes.');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 06:18:35"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Kate');
        $comment->setComment('If I win, you become my slave.');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 06:22:53"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Dade');
        $comment->setComment('Your SLAVE?');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 06:25:15"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Kate');
        $comment->setComment('You wish! You\'ll do shitwork, scan, crack copyrights...');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 06:46:08"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Dade');
        $comment->setComment('And if I win?');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 10:22:46"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Kate');
        $comment->setComment('Make it my first-born!');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-23 11:08:08"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Dade');
        $comment->setComment('Make it our first-date!');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-24 18:56:01"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Kate');
        $comment->setComment('I don\'t DO dates. But I don\'t lose either, so you\'re on!');
        $comment->setBlog($manager->merge($this->getReference('blog-2')));
        $comment->setCreated(new \DateTime("2011-07-25 22:28:42"));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Stanley');
        $comment->setComment('It\'s not gonna end like this.');
        $comment->setBlog($manager->merge($this->getReference('blog-3')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Gabriel');
        $comment->setComment('Oh, come on, Stan. Not everything ends the way you think it should. Besides, audiences love happy endings.');
        $comment->setBlog($manager->merge($this->getReference('blog-3')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Mile');
        $comment->setComment('Doesn\'t Bill Gates have something like that?');
        $comment->setBlog($manager->merge($this->getReference('blog-5')));
        $manager->persist($comment);

        $comment = new Comment();
        $comment->setUser('Gary');
        $comment->setComment('Bill Who?');
        $comment->setBlog($manager->merge($this->getReference('blog-5')));
        $manager->persist($comment);

        $manager->flush();
    }

    public function getOrder()
    {
        return 2;
    }
}

$comment->setBlog($manager->merge($this->getReference('blog-2')));

<?php
// src/Blogger/BlogBundle/Repository/CommentRepository.php

namespace Blogger\BlogBundle\Repository;

use Doctrine\ORM\EntityRepository;

/**
 * CommentRepository
 *
 * This class was generated by the Doctrine ORM. Add your own custom
 * repository methods below.
 */
class CommentRepository extends EntityRepository
{
    public function getCommentsForBlog($blogId, $approved = true)
    {
        $qb = $this->createQueryBuilder('c')
                   ->select('c')
                   ->where('c.blog = :blog_id')
                   ->addOrderBy('c.created')
                   ->setParameter('blog_id', $blogId);

        if (false === is_null($approved))
            $qb->andWhere('c.approved = :approved')
               ->setParameter('approved', $approved);

        return $qb->getQuery()
                  ->getResult();
    }
}

->where('c.blog = ' . blogId)

<?php
// src/Blogger/BlogBundle/Controller/CommentController.php

namespace Blogger\BlogBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Blogger\BlogBundle\Entity\Comment;
use Blogger\BlogBundle\Form\CommentType;

/**
 * Comment controller.
 */
class CommentController extends Controller
{
    public function newAction($blog_id)
    {
        $blog = $this->getBlog($blog_id);

        $comment = new Comment();
        $comment->setBlog($blog);
        $form   = $this->createForm(new CommentType(), $comment);

        return $this->render('BloggerBlogBundle:Comment:form.html.twig', array(
            'comment' => $comment,
            'form'   => $form->createView()
        ));
    }

    public function createAction($blog_id)
    {
        $blog = $this->getBlog($blog_id);

        $comment  = new Comment();
        $comment->setBlog($blog);
        $request = $this->getRequest();
        $form    = $this->createForm(new CommentType(), $comment);
        $form->bindRequest($request);

        if ($form->isValid()) {
            // TODO: Persist the comment entity

            return $this->redirect($this->generateUrl('BloggerBlogBundle_blog_show', array(
                'id' => $comment->getBlog()->getId())) .
                '#comment-' . $comment->getId()
            );
        }

        return $this->render('BloggerBlogBundle:Comment:create.html.twig', array(
            'comment' => $comment,
            'form'    => $form->createView()
        ));
    }

    protected function getBlog($blog_id)
    {
        $em = $this->getDoctrine()
                    ->getEntityManager();

        $blog = $em->getRepository('BloggerBlogBundle:Blog')->find($blog_id);

        if (!$blog) {
            throw $this->createNotFoundException('Unable to find Blog post.');
        }

        return $blog;
    }

}

<?php
// src/Blogger/BlogBundle/Entity/Comment.php

// ..

use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Constraints\NotBlank;

// ..
class Comment
{
    // ..

    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('user', new NotBlank(array(
            'message' => 'You must enter your name'
        )));
        $metadata->addPropertyConstraint('comment', new NotBlank(array(
            'message' => 'You must enter a comment'
        )));
    }

    // ..
}

// src/Blogger/BlogBundle/Entity/Blog.php
public function __toString()
{
    return $this->getTitle();
}

<?php
// src/Blogger/BlogBundle/Form/CommentType.php

// ..
class CommentType extends AbstractType
{
    public function buildForm(FormBuilder $builder, array $options)
    {
        $builder
            ->add('user')
            ->add('comment')
        ;
    }

    // ..
}

<?php
// src/Blogger/BlogBundle/Controller/CommentController.php

// ..
class CommentController extends Controller
{
    public function createAction($blog_id)
    {
        // ..

        if ($form->isValid()) {
            $em = $this->getDoctrine()
                       ->getEntityManager();
            $em->persist($comment);
            $em->flush();

            return $this->redirect($this->generateUrl('BloggerBlogBundle_blog_show', array(
                'id' => $comment->getBlog()->getId())) .
                '#comment-' . $comment->getId()
            );
        }

        // ..
    }
}