Contents

module Praxis
  module Extensions

    module Rendering
      extend ActiveSupport::Concern
      include FieldExpansion

      def render(object, include_nil: false)
        loaded = self.media_type.load(object)
        renderer = Praxis::Renderer.new(include_nil: include_nil)
        renderer.render(loaded, self.expanded_fields)
      rescue Attributor::DumpError
        if self.media_type.domain_model == Object
          warn "Detected the rendering of an object of type #{self.media_type} without having a domain object model set.\n" +
               "Did you forget to define it?"
        end
        raise
      end

      def display(object, include_nil: false, encoder: self.default_encoder )
        identifier = Praxis::MediaTypeIdentifier.load(self.media_type.identifier)
        identifier += encoder unless encoder.blank?
        response.headers['Content-Type'] = identifier.to_s
        response.body = render(object, include_nil: include_nil)
        response
      rescue Praxis::Renderer::CircularRenderingError => e
          Praxis::Application.current_instance.validation_handler.handle!(
          summary: "Circular Rendering Error when rendering response. " +
                   "Please especify a view to narrow the dependent fields, or narrow your field set.",
          exception: e,
          request: request,
          stage: :action,
          errors: nil
        )
      end

      def default_encoder
        ''
      end

    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
praxis-0.22.pre.2	lib/praxis/extensions/rendering.rb
praxis-0.22.pre.1	lib/praxis/extensions/rendering.rb