class Admin::PageFieldsController

def create
  model.attributes = page_fields_params
  @controller_name = 'page'
  @template_name = 'edit'
  render partial: 'page_field', object: model,
         locals: { page_field_counter: params[:page_field_counter].to_i }
end

def page_fields_params
  params.require(:page_field).permit(:name, :content, :page_id)
end