问Google Ruby API客户端创建文件响应

EN

def create
  @essay = Essay.new(params.require(:essay).permit(:course_name))

  # Uploaded File
  uploaded_io = params[:essay][:essay_draft]

  # Save to a temporary folder
  Tempfile.open(uploaded_io.original_filename, Rails.root.join('private', 'tmp')) do |f|

  # Write using UTF-8 encoding
  f.write(uploaded_io.read.force_encoding("UTF-8"))

  # Close the file
  f.close

  # Gotta unlink to delete the temp file
  f.unlink
  end

  # Set Metadata to be sent to Google Drive
  file_metadata = {
  name: uploaded_io.original_filename,
  mime_type: 'application/vnd.google-apps.document'
  }

  # Call method which will upload the actual file to Drive
  @drive.create_file(file_metadata,
                  fields: 'id',
                  upload_source: uploaded_io.path,
                  content_type: 'text/doc')

if @essay.save
  redirect_to @essay
else
  render :new
end
end