Movie.php

<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;

/**
 * @ORM\Entity(repositoryClass="App\Repository\MovieRepository")
 * @ORM\Table(name="movies")
 * @ORM\HasLifecycleCallbacks()
 */
class Movie extends AbstractEntity
{
    /**
     * @ORM\Id
     * @ORM\Column(type="string", name="id")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", name="title")
     */
    protected $title;

    /**
     * @ORM\Column(type="string", name="hash")
     */
    protected $hash;

    /** @ORM\Column(type="string", name="internal_id") */
    protected $internalId;

    /**
     * @ORM\OneToMany(targetEntity="MovieSource", mappedBy="movie", fetch="EAGER")
     */
    protected $movieSource;

    public function __construct(array $attributes = null)
    {
        parent::__construct($attributes);
        $this->movieSource = new ArrayCollection();
    }

    public function addSource(Source $source, array $attributes = [])
    {
        $movieSource = new MovieSource($attributes);
        $movieSource->setMovie($this);
        $movieSource->setSource($source);
        
        $this->movieSource[] = $movieSource;

    }

    /**
     * @return ArrayCollection|Source[]
     */
    public function getSources()
    {
        return $this->movieSource;
    }

    /* Setters */

    /**
     * @param string $id
     * @return Movie
     */
    public function setId($id)
    {
        $this->id = $id;

        return $this;
    }

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

        return $this;
    }

    /**
     * Set the hash value of the entity
     *
     * @param $hash
     * @return Movie
     */
    public function setHash($hash)
    {
        $this->hash = $hash;

        return $this;
    }

    public function setInternalId($value)
    {
        $this->internalId = $value;

        return $this;
    }

    /* Getters */

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

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

    /**
     * @return string
     */
    public function getHash()
    {
        return $this->hash;
    }


    /* Helpers */

    public function __toString()
    {
        return (string)$this->title;
    }
}

MovieSource.php

<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 * @ORM\Table(name="movie_source")
 * @ORM\HasLifecycleCallbacks()
 */
class MovieSource extends AbstractEntity
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     */
    protected $id;

    /**
     * @ORM\Column(type="integer", name="source_id")
     *
     * @ORM\ManyToOne(targetEntity="Source", inversedBy="movieSource")
     * @ORM\JoinColumn(nullable=false)
     */
    protected $source;

    /**
     * @ORM\Column(type="string", name="movie_id")
     *
     * @ORM\ManyToOne(targetEntity="Movie")
     * @ORM\JoinColumn(name="movie_id", referencedColumnName="id", nullable=false)
     */
    protected $movie;

    /**
     * @return mixed
     */
    public function getSource()
    {
        return $this->source;
    }

    /**
     * @param mixed $source
     * @return MovieSource
     */
    public function setSource(Source $source)
    {
        $this->source = $source->getId();
        return $this;
    }

    /**
     * @return mixed
     */
    public function getMovie()
    {
        return $this->movie;
    }

    /**
     * @param mixed $movie
     * @return MovieSource
     */
    public function setMovie(Movie $movie)
    {
        $this->movie = $movie->getId();
        return $this;
    }

    /**
     * @ORM\Column(type="text", name="description")
     */
    protected $description;

    /**
     * @return string
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * @param string $description
     * @return MovieSource
     */
    public function setDescription($description)
    {
        $this->description = $description;
        return $this;
    }
}

Source.php

<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;

/**
 * @ORM\Entity(repositoryClass="App\Repository\SourceRepository")
 * @ORM\Table(name="sources")
 * @ORM\HasLifecycleCallbacks()
 */
class Source extends AbstractEntity
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     */
    protected $id;

    /**
     * @ORM\Column(type="string", name="name")
     */
    protected $name;

    /**
     * @ORM\OneToMany(targetEntity="MovieSource", mappedBy="source")
     */
    protected $movieSource;

    public function __construct(array $attributes = null)
    {
        parent::__construct($attributes);
        $this->movieSource = new ArrayCollection();
    }

    public function addMovie(Movie $movie)
    {
        $this->movieSource[] = $movie;
    }

    /**
     * Set the name of the source entity
     *
     * @param string $name
     * @return Source
     */
    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }

    /**
     * Return the name of the source entity
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }


    /* Helpers */

    public function __toString()
    {
        return (string) $this->name;
    }
}