lanzu_api_2021-12-26/app/Service/AttachmentService.php

<?php


namespace App\Service;

use App\Constants\ErrorCode;
use League\Flysystem\FilesystemNotFoundException;

class AttachmentService implements AttachmentServiceInterface
{

    /**
     * @inheritDoc
     */
    public function formUpload($file, $path, $filesystem, $attachmenttype = 'image')
    {

        $fileRealPath = $file->getRealPath();
        $fileHash = md5_file($fileRealPath);

        $path = $this->getBasePath($path, $attachmenttype);
        $fileName = $path . '/' . $fileHash . '.' . $file->getExtension();

        if ($filesystem->has($fileName)) {
            return $fileName;
        }

        $stream = fopen($fileRealPath, 'r+');
        $filesystem->writeStream($fileName, $stream);
        fclose($stream);

        return $fileName;
    }

    /**
     * @inheritDoc
     */
    public function base64Upload($contents, $path, $filesystem)
    {

        preg_match('/^(data:\s*image\/(\w+);base64,)/', $contents, $result);
        if (empty($result)) {
            throw new FilesystemNotFoundException(ErrorCode::getMessage(ErrorCode::UPLOAD_INVALID),ErrorCode::UPLOAD_INVALID);
        }

        $contents = base64_decode(str_replace($result[1], '', $contents));

        $fileHash = md5($contents);
        $path = $this->getBasePath($path);
        $fileName = $path . '/' . $fileHash . '.' . $result[2];

        if ($filesystem->has($fileName)) {
            return $fileName;
        }

        $filesystem->write($fileName, $contents);

        return $fileName;
    }

    protected function getBasePath($path, $attachmenttype = 'image')
    {
        switch ($attachmenttype) {
            case 'image':
                $baseDir = env('IMAGE_BASE', '/attachment/images');
                break;

            case 'file':
                $baseDir = env('FILES_BASE', '/attachment/files');
                break;

            default:
                $baseDir = env('FILES_BASE', '/attachment');
                break;
        }

        $path = $path ? '/'.$path : '';
        $path .= '/'.date('Y').'/'.date('m').'/'.date('d');
        return $baseDir.$path;
    }
}