```ruby
require_dependency 'carto/api/vizjson3_presenter'

module Carto
  module Editor
    module Public
      class EmbedsController < EditorController
        include VisualizationsControllerHelper

        ssl_required :show, :show_protected

        before_filter :load_visualization, only: [:show, :show_protected]
        before_filter :ensure_viewable, only: [:show]

        skip_before_filter :editor_users_only # This is supposed to be public even in beta

        layout false

        def show
          @visualization_data = Carto::Api::VisualizationPresenter.new(@visualization, current_viewer, self).to_poro
          @vizjson = generate_named_map_vizjson3(@visualization, params)

          render 'show'
        end

        def show_protected
          show and return if @visualization.password_valid?(params[:password])

          flash[:error] = 'Invalid password'
          response.status = 403
        end

        private

        def load_visualization
          @visualization = load_visualization_from_id_or_name(params[:visualization_id])
          render_404 unless @visualization
        end

        def ensure_viewable
          return(render 'admin/visualizations/embed_map_error', status: 403) if @visualization.private?
          return(render 'show_protected', status: 403) if @visualization.password_protected?
        end
      end
    end
  end
end
```

Add mapcap load to embeds
user
```ruby
require_dependency 'carto/api/vizjson3_presenter'

module Carto
  module Editor
    module Public
      class EmbedsController < EditorController
        include VisualizationsControllerHelper

        ssl_required :show, :show_protected

        before_filter :load_visualization, :load_mapcap_vizjson, only: [:show, :show_protected]
        before_filter :ensure_viewable, only: [:show]

        skip_before_filter :editor_users_only # This is supposed to be public even in beta

        layout false

        def show
          @visualization_data = Carto::Api::VisualizationPresenter.new(@visualization, current_viewer, self).to_poro
          @vizjson = generate_named_map_vizjson3(@mapcap ? @mapcap.regenerate_visualization : @visualization, params)

          render 'show'
        end

        def show_protected
          show and return if @visualization.password_valid?(params[:password])

          flash[:error] = 'Invalid password'
          response.status = 403
        end

        private

        def load_visualization
          @visualization = load_visualization_from_id_or_name(params[:visualization_id])
          render_404 unless @visualization
        end

        def load_mapcap_vizjson
          @mapcap = Carto::Mapcap.where(vis_id: @visualization.id).first
        end

        def ensure_viewable
          return(render 'admin/visualizations/embed_map_error', status: 403) if @visualization.private?
          return(render 'show_protected', status: 403) if @visualization.password_protected?
        end
      end
    end
  end
end
```
assistant