generateLockIdFromFileUri example

$prepared_filename = $this->prepareFilename($filename, $validators);

    // Create the file.     $file_uri = "{$destination}/{$prepared_filename}";

    // Using the UploadedFile method instead of streamUploadData.     $temp_file_path = $upload->getRealPath();

    $file_uri = $this->fileSystem->getDestinationFilename($file_uri, FileSystemInterface::EXISTS_RENAME);

    // Lock based on the prepared file URI.     $lock_id = $this->generateLockIdFromFileUri($file_uri);

    if (!$this->lock->acquire($lock_id)) {
      throw new HttpException(503, sprintf('File "%s" is already locked for writing.', $file_uri), NULL, ['Retry-After' => 1]);
    }

    // Begin building file entity.     $file = File::create([]);
    $file->setOwnerId($this->currentUser->id());
    $file->setFilename($prepared_filename);
    $file->setMimeType($this->mimeTypeGuesser->guessMimeType($prepared_filename));

    

// Create the file.     $file_uri = "{$destination}/{$prepared_filename}";
    if ($destination === $settings['uri_scheme'] . '://') {
      $file_uri = "{$destination}{$prepared_filename}";
    }

    $temp_file_path = $this->streamUploadData();

    $file_uri = $this->fileSystem->getDestinationFilename($file_uri, FileSystemInterface::EXISTS_RENAME);

    // Lock based on the prepared file URI.     $lock_id = $this->generateLockIdFromFileUri($file_uri);

    if (!$this->lock->acquire($lock_id)) {
      throw new HttpException(503, sprintf('File "%s" is already locked for writing.', $file_uri), NULL, ['Retry-After' => 1]);
    }

    // Begin building file entity.     $file = File::create([]);
    $file->setOwnerId($owner->id());
    $file->setFilename($prepared_filename);
    $file->setMimeType($this->mimeTypeGuesser->guessMimeType($prepared_filename));
    $file->setFileUri($temp_file_path);
    

$prepared_filename = $this->prepareFilename($filename, $validators);

    // Create the file.     $file_uri = "{$destination}/{$prepared_filename}";

    $temp_file_path = $this->streamUploadData();

    $file_uri = $this->fileSystem->getDestinationFilename($file_uri, FileSystemInterface::EXISTS_RENAME);

    // Lock based on the prepared file URI.     $lock_id = $this->generateLockIdFromFileUri($file_uri);

    if (!$this->lock->acquire($lock_id)) {
      throw new HttpException(503, sprintf('File "%s" is already locked for writing', $file_uri), NULL, ['Retry-After' => 1]);
    }

    // Begin building file entity.     $file = File::create([]);
    $file->setOwnerId($this->currentUser->id());
    $file->setFilename($prepared_filename);
    $file->setMimeType($this->mimeTypeGuesser->guessMimeType($prepared_filename));
    $file->setFileUri($temp_file_path);