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<?php |
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/* |
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* This file is part of the slince/upload package. |
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* |
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* (c) Slince <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slince\Upload; |
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use Slince\Upload\Filesystem\FilesystemInterface; |
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use Slince\Upload\Naming\NamerInterface; |
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use Symfony\Component\HttpFoundation\File\File; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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use Symfony\Component\HttpFoundation\FileBag; |
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use Symfony\Component\HttpFoundation\Request as SymfonyRequest; |
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class UploadHandler |
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{ |
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/** |
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* @var NamerInterface |
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*/ |
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protected $namer; |
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/** |
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* @var FilesystemInterface |
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*/ |
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protected $filesystem; |
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/** |
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* @var Validator |
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*/ |
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protected $validator; |
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/** |
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* @var boolean |
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*/ |
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protected $overwrite; |
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/** |
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* @var FileBag |
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*/ |
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protected $uploadedFiles; |
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public function __construct( |
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FilesystemInterface $filesystem, |
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NamerInterface $namer, |
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$overwrite = false |
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) { |
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$this->filesystem = $filesystem; |
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$this->namer = $namer; |
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$this->overwrite = $overwrite; |
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$this->validator = new Validator(); |
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} |
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/** |
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* Gets the validator |
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* |
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* @return Validator |
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*/ |
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public function getValidator() |
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{ |
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return $this->validator; |
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} |
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/** |
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* Gets all uploaded files. |
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* |
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* [ |
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* 'file1' => UploadedFile, |
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* 'file2' => [ |
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* UploadedFile, |
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* UploadedFile |
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* ], |
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* ] |
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* @return UploadedFile[] |
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*/ |
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public function getUploadedFiles() |
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{ |
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return $this->uploadedFiles->all(); |
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} |
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/** |
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* Process request |
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* @param SymfonyRequest|null $request |
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* |
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* @return File[]|\Exception[]|File |
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*/ |
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public function handle($request = null) |
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{ |
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return $this->processUploadedFiles($this->createUploadedFiles($request)); |
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} |
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protected function processUploadedFiles($uploadedFiles) |
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{ |
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$files = []; |
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foreach ($uploadedFiles as $name => $uploadedFileItem) { |
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if (is_array($uploadedFileItem)) { |
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$files[$name] = $this->processUploadedFiles($uploadedFileItem); |
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} else { |
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$files[$name] = $this->processUploadedFile($uploadedFileItem); |
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} |
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} |
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return $files; |
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} |
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protected function processUploadedFile(UploadedFile $file) |
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{ |
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try { |
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// validate the file |
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$this->validator->validate($file); |
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return $this->filesystem |
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->upload($this->namer->generate($file), $file, $this->overwrite); |
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} catch (\Exception $exception) { |
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return $exception; |
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} |
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} |
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/** |
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* @param SymfonyRequest|null $request |
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* @return FileBag |
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*/ |
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protected function createUploadedFiles($request = null) |
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{ |
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if ($request instanceof SymfonyRequest) { |
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$files = $request->files; |
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} else { |
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$files = new FileBag($_FILES); |
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} |
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return $this->uploadedFiles = $files; |
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} |
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} |
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: