code: function updateTheme(req, res, next) {
  
    //No theme sent, no need update the project theme
    if (!req.body.theme) {
      return next();
    }
  
    var params = {
      appId: req.params.id || req.body._id,
      theme: req.body.theme
    };
    forms.setAppTheme(_.extend(req.connectionOptions, params), formsResultHandlers(constants.resultTypes.formProjects, req, next));
  }
docs: Middleware For Updating A Theme Associated With A Project
  @param req
  @param res
  @param next