<?php

/* ============== ENTITIES ================ */

// src/PPost/SourceBundle/Entity/Source.php

namespace PPost\SourceBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Bridge\Doctrine\Validator\Constraints as Unique;

/**
 * PPost\SourceBundle\Entity\Source
 *
 * @ORM\Entity
 * @Unique\UniqueEntity(fields={"title"})
 * @Unique\UniqueEntity(fields={"url"})
 * @ORM\Table(name="ppost_source")
 */
class Source
{
    /**
     * @var integer $id
     *
     * @ORM\Id
     * @ORM\Column(name="id", type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @var string $title
     *
     * @ORM\Column(name="title", type="string", length=255, nullable=false)
     * @Assert\NotBlank
     */
    protected $title;

    /**
     * @ORM\ManyToMany(targetEntity="Topic", inversedBy="sources", cascade={"persist"})
     * @ORM\JoinTable(name="ppost_source_topic",
     *      joinColumns={@ORM\JoinColumn(name="source_id", referencedColumnName="id")},
     *      inverseJoinColumns={@ORM\JoinColumn(name="topic_id", referencedColumnName="id")}
     *      )
     */
    protected $topics;

    public function __construct()
    {
        $this->topics = new \Doctrine\Common\Collections\ArrayCollection();
    }

    /**
     * Set title
     *
     * @param string $title
     */
    public function setTitle($title)
    {
        $this->title = $title;
    }

    /**
     * Get title
     *
     * @return string
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * Add topic
     *
     * @param PPost\SourceBundle\Entity\Source $topic
     */
    public function addTopic(\PPost\SourceBundle\Entity\Topic $topic)
    {
        $this->topics[] = $topic;
    }

    /**
     * Get topic
     *
     * @return Doctrine\Common\Collections\Collection
     */
    public function getTopics()
    {
        return $this->topics;
    }
}



// src/PPost/SourceBundle/Entity/Topic.php

namespace PPost\SourceBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Bridge\Doctrine\Validator\Constraints as Unique;

/**
 * PPost\SourceBundle\Entity\Topic
 *
 * @ORM\Entity
 * @Unique\UniqueEntity(fields={"title"})
 * @ORM\Table(name="ppost_topic")
 */
class Topic
{
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", unique=true, length=255, nullable=false)
     * @Assert\NotBlank
     */
    protected $title;

    /**
     * Inverse Side
     *
     * @ORM\ManyToMany(targetEntity="Source", mappedBy="topics")
     */
    protected $sources;

    public function __construct()
    {
        $this->sources = new \Doctrine\Common\Collections\ArrayCollection();
    }

    /**
     * Get id
     *
     * @return integer
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Set title
     *
     * @param string $title
     */
    public function setTitle($title)
    {
        $this->title = $title;
    }

    /**
     * Get title
     *
     * @return string
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * Add sources
     *
     * @param PPost\SourceBundle\Entity\Source $sources
     */
    public function addSource(\PPost\SourceBundle\Entity\Source $sources)
    {
        $this->sources[] = $sources;
    }

    /**
     * Get sources
     *
     * @return Doctrine\Common\Collections\Collection
     */
    public function getSources()
    {
        return $this->sources;
    }
}



/* ============== FORM ================ */

// src/PPost/SourceBundle/Form/SoureType.php

namespace PPost\SourceBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilder;

class SourceType extends AbstractType
{
    public function buildForm(FormBuilder $builder, array $options)
    {
        $builder
            ->add('title')
            ->add('topics', 'entity', array(
                'class' => 'PPost\\SourceBundle\\Entity\\Topic',
                'property' => 'title',
            ))
        ;
    }

    public function getDefaultOptions(array $options)
    {
        return array('data_class' => 'PPost\SourceBundle\Entity\Source');
    }

    public function getName()
    {
        return 'ppost_sourcebundle_sourcetype';
    }
}