Reject invalid request types

Reject invalid request types

Ez-on-rails allows json and html request for EzOnRails::ResourceController and EzOnRails::ApplicationController actions and allows only json requests for EzOnRails::Api::ResourceController and EzOnRails::Api::BaseController.

But sometimes you want to have an action only available for one format, eg. if you want to have some additional ajax functionality in a resource controller. In that case you can make use of the methods json_request? and html_request? that are defined in the EzOnRails::ApplicationController controller. You can use them in a before action the following way:

class ArticlesController < EzOnRails::ResourceController
  ...
  before_action :invalid_request_type, unless: -> { json_request? }, only: [:tags]
  
  # GET /articles/:id/tags
  def tags
    ...
  end
  ...
end

This example disables html requests for the tags action in the articles controller. You can also use html_request? to disable json requests.

The invalid_request_type you are calling here is defined in the EzOnRails::ApplicationController raises an exception that returns a http status code 406 (not acceptable). Hence you do not have to implement any additional logic here. You just need to write the content of your needs in your action.