pdf-controller-factory.js

// Factory
function createPdfsController(container) {
  // the dependencies required by the service.  This is still lazily evaluated,
  // and mockable as long as you register the mock before accessing the service
  // in your tests.
  const PdfService = container.service.PdfGenerator;
  return {
    create: (req, res, next) => {
      const content_id = req.params.content_id;
      const pdf_id = PdfService.generate(content_id);
      res.json({ pdf_id: pdf_id });
    }
  };
}

// Export a function that registers the service provider with the given container.
modules.export = bottle => {
  bottle.factory(
    'controller.Pdfs',   // the name of the service we're providing
    createPdfsController // the factory to create the service instance
  );
};