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<?php |
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namespace RafflesArgentina\ResourceController\Traits; |
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use Lang; |
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use Storage; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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use Symfony\Component\HttpFoundation\File\Exception\UploadException; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\Relation; |
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use Illuminate\Http\Request; |
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trait WorksWithFileUploads |
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{ |
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/** |
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* Upload request files and update or create relations handling array type request data. |
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* |
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* @param Request $request The Request object. |
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* @param Model $model The eloquent model. |
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* @param string|null $relativePath The file uploads relative path. |
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* |
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* @return Request |
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*/ |
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public function uploadFiles(Request $request, Model $model, $relativePath = null) |
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{ |
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if (!$relativePath) { |
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$relativePath = $this->getDefaultRelativePath(); |
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} |
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$data = $request->request->all(); |
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$fileBag = $request->files; |
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foreach ($fileBag->all() as $name => $parameters) { |
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$this->_checkFileRelationExists($model, $name); |
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$relation = $model->{$name}(); |
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foreach ($parameters as $index => $file) { |
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if (!$file->isValid()) { |
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throw new UploadException($file->getError()); |
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} |
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$filename = $this->getFilename($file); |
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$destination = $this->getStoragePath($relativePath); |
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$this->moveUploadedFile($file, $filename, $destination); |
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$location = $relativePath.$filename; |
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if (count($fileBag->get($name)) > 1) { |
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$data[$name][$index] = [$this->getLocationColumn() => $location]; |
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} else { |
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$data[$name][$this->getLocationColumn()] = $location; |
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} |
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$request->merge($data); |
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} |
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} |
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return $request; |
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} |
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/** |
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* Get the name of the file. |
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* |
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* @param UploadedFile $uploadedFile The UploadedFile object. |
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* |
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* @return string |
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*/ |
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protected function getFilename(UploadedFile $uploadedFile) |
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{ |
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$extension = $uploadedFile->guessExtension(); |
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$filename = str_random().'.'.$extension; |
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return $filename; |
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} |
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/** |
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* Get storage path for the configured driver. |
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* |
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* @param string $relativePath The relative path. |
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* |
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* @return string |
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*/ |
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protected function getStoragePath($relativePath) |
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{ |
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return Storage::disk()->getDriver()->getAdapter()->getPathPrefix().$relativePath; |
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} |
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/** |
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* Move the uploaded file to specified filename and destination. |
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* |
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* @param UploadedFile $uploadedFile The UploadedFile object. |
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* @param string $filename The name of the file. |
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* @param string $destination The file destination. |
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* |
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* @return \Symfony\Component\HttpFoundation\File\File |
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*/ |
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protected function moveUploadedFile($uploadedFile, $filename, $destination) |
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{ |
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return $uploadedFile->move($destination, $filename); |
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} |
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/** |
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* Get location column. |
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* |
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* @return string |
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*/ |
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protected function getLocationColumn() |
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{ |
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return 'location'; |
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} |
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/** |
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* Get default relative path. |
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* |
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* @return string |
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*/ |
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protected function getDefaultRelativePath() |
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{ |
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return 'uploads/'; |
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} |
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/** |
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* Throw an exception if request file is not named after an existent relation. |
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* |
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* @param Model $model The eloquent model. |
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* @param string $relationName The eloquent relation name. |
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* |
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* @throws UploadException |
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* |
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* @return void |
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*/ |
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private function _checkFileRelationExists(Model $model, $relationName) |
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{ |
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if (!method_exists($model, $relationName) || !$model->{$relationName}() instanceof Relation) { |
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if (Lang::has('resource-controller.filerelationinexistent')) { |
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$message = trans('resource-controller.filerelationinexistent', ['relationName' => $relationName]); |
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} else { |
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$message = "Request file '{$relationName}' is not named after an existent relation."; |
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} |
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throw new UploadException($message); |
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} |
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} |
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} |
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rafflesargentina /
l5-resource-controller
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