blue-twilight/app/AlbumSources/IAlbumSource.php

<?php

namespace App\AlbumSources;

use App\Album;
use App\Photo;
use Symfony\Component\HttpFoundation\File\File;

interface IAlbumSource
{
    /**
     * Gets the absolute path or URL to the given photo file.
     * @param Album $album
     * @param Photo $photo
     * @return string
     */
    function getPathToPhoto(Album $album, Photo $photo);

    /**
     * Saves an uploaded file to the container and returns the filename.
     * @param Album $album The album containing the photo
     * @param File $uploadedFile The photo uploaded
     * @return File
     */
    function saveUploadedPhoto(Album $album, File $uploadedFile);
}