new_contents: import flask
  
  from infosystem.common import exception
  from infosystem.common.subsystem import controller
  
  # TODO(samueldmq): take a better look at this, it is completely different as it
  # is not dealing with JSON content
  class Controller(controller.Controller):
  
      def create(self):
          # TODO(samueldmq): the file should be extracted here. the todo above would
          # be resolved too with this!
          try:
              self.manager.create()
          except exception.InfoSystemException as exc:
              return flask.Response(response=exc.message,
                                    status=exc.status)
  
          return flask.Response(response=None,
                                status=201,
                                mimetype="application/json")
  
subject: Add file controller