File.php

<?php

namespace Cocoders\File\Model;

class File
{
    private $id;
    private $name;
    private $originalName;
    private $mimeType;
    private $uploadedFile;
    private $uploaded = false;
    private $uploadedAt;

    public function upload(UploadedFile $uploadedFile)
    {
        $this->originalName = $uploadedFile->getClientOriginalName();
        $this->mimeType = $uploadedFile->getClientMimeType();
        $this->uploadedFile = $uploadedFile->getFile();
        $this->uploaded = true;
        $this->uploadedAt = new \DateTime();

        return $this;
    }

    public function getUploadedFile()
    {
        return $this->uploadedFile;
    }

    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }

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

FileController.php

<?php

namespace Cocoders\Bundle\FileBundle\Controller;

use Symfony\Component\HttpFoundation\Request;
use Cocoders\File\Model\Repository\FileRepository;
use Cocoders\Bundle\FileBundle\File\UploadedFile;

class FileController
{
    private $repository;

    public function __construct(FileRepository $repository)
    {
        $this->repository = $repository;
    }

    public function uploadAction(Request $request)
    {
        $uploadedFile = reset($request->files->all());

        $file = new File();
        $file->upload(new UploadedFile($uploadedFile));
        $this->repository->add($file);

        return $file;
    }
}

SymfonyUploadedFile.php

<?php

namespace Cocoders\Bundle\FileBundle\File;

use Cocoders\File\Model\UploadedFile as BaseUploadedFile;
use Symfony\Component\HttpFoundation\File\File as File;

class UploadedFile implements BaseUploadedFile
{
    private $uploadedFile;

    function __construct(File $uploadedFile)
    {
        $this->uploadedFile = $uploadedFile;
    }

    public function getClientOriginalName()
    {
        return $this->uploadedFile->getClientOriginalName();
    }

    public function getClientMimeType()
    {
        return $this->uploadedFile->getClientMimeType();
    }

    public function getFile()
    {
        return $this->uploadedFile;
    }
}

UploadedFile.php

<?php

namespace Cocoders\File\Model;

interface UploadedFile
{
    public function getClientOriginalName();
    public function getClientMimeType();
    public function getFile();
}