<?php namespace App\Http\Controllers;
/**
 * Copyright 2020 OpenStack Foundation
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
use Illuminate\Http\JsonResponse;
use Pion\Laravel\ChunkUpload\Exceptions\UploadMissingFileException;
use Pion\Laravel\ChunkUpload\Handler\AbstractHandler;
use Pion\Laravel\ChunkUpload\Receiver\FileReceiver;
/**
 * Class OAuth2ChunkedFilesApiController
 * @package App\Http\Controllers
 */
class OAuth2ChunkedFilesApiController extends UploadController
{
    /**
     * Handles the file upload
     *
     * @param FileReceiver $receiver
     *
     * @return JsonResponse
     *
     * @throws UploadMissingFileException
     *
     */
    public function uploadFile(FileReceiver $receiver)
    {
        // check if the upload is success, throw exception or return response you need
        if ($receiver->isUploaded() === false) {
            throw new UploadMissingFileException();
        }
        // receive the file
        $save = $receiver->receive();

        // check if the upload has finished (in chunk mode it will send smaller files)
        if ($save->isFinished()) {
            // save the file and return any response you need
            return $this->saveFile($save->getFile());
        }

        // we are in chunk mode, lets send the current progress
        /** @var AbstractHandler $handler */
        $handler = $save->handler();
        $done = $handler->getPercentageDone();
        return response()->json([
            "done" => $done
        ]);
    }
}