blue-twilight/app/AlbumSources/AlbumSourceBase.php

<?php

namespace app\AlbumSources;

use App\Album;
use App\Storage;

abstract class AlbumSourceBase
{
    /**
     * @var Album
     */
    protected $album;

    /**
     * @var Storage
     */
    protected $configuration;

    /**
     * @var mixed
     */
    private static $albumSourceCache = [];

    /**
     * Makes an album source class for the given source name (relative class name.)
     * @param string $sourceName Name of the source.
     * @return IAlbumSource
     */
    public static function make($sourceName)
    {
        $fullClassName = sprintf('App\AlbumSources\%s', $sourceName);

        if (!array_key_exists($fullClassName, self::$albumSourceCache))
        {
            /** @var IAlbumSource $source */
            $source = app($fullClassName);

            self::$albumSourceCache[$fullClassName] = $source;
        }

        return self::$albumSourceCache[$fullClassName];
    }

    public function getConfiguration()
    {
        return $this->configuration;
    }

    public function setAlbum(Album $album)
    {
        $this->album = $album;
    }

    public function setConfiguration(Storage $configuration)
    {
        $this->configuration = $configuration;
    }
}