ImageController

ImageController.php

<?php

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\File\Exception\FileException;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\HttpKernel\Exception\UnsupportedMediaTypeHttpException;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;
use App\Service\FileUploader;

class FileController extends AbstractController {

    /**
     * @Route("/image/add", name="image_add", methods={"POST"})
     */
    public function addImage(Request $request, FileUploader $fileUploader) {
        if (!$request->isXmlHttpRequest()) {
            throw new BadRequestHttpException();
        }

        $images = $request->files->get('add_images');

        $allowExtensions = ['gif', 'jpg', 'jpeg', 'png'];

        $files = [];
        if (isset($images["image"])) {
            $image = $images["image"];
            //ファイルフォーマット検証
            $mimeType = $image->getMimeType();
            if (0 !== strpos($mimeType, 'image')) {
                throw new UnsupportedMediaTypeHttpException();
            }

            // 拡張子
            $extension = $image->getClientOriginalExtension();
            if (!in_array($extension, $allowExtensions)) {
                throw new UnsupportedMediaTypeHttpException();
            }

            $files[] = $fileUploader->upload($image);
        }

        return $this->json(['files' => $files], 200);
    }
}