Various small rails 5 adoptions

app/controllers/home_controller.rb

@@ -40,7 +40,7 @@ class HomeController < ApplicationController
 
     unless @ordergroup.nil?
 
-      @ordergroup = Ordergroup.include_transaction_class_sum.find(@ordergroup)
+      @ordergroup = Ordergroup.include_transaction_class_sum.find(@ordergroup.id)
 
       if params['sort']
         sort = case params['sort']

app/controllers/orders_controller.rb

@@ -94,7 +94,7 @@ class OrdersController < ApplicationController
   # Update an existing order.
   def update
     @order = Order.find params[:id]
-    if @order.update_attributes params[:order]
+    if @order.update_attributes params[:order].merge(updated_by: current_user)
       flash[:notice] = I18n.t('orders.update.notice')
       redirect_to :action => 'show', :id => @order
     else

app/controllers/styles_controller.rb

@@ -9,10 +9,10 @@ class StylesController < ApplicationController
   def foodcoop
     css = FoodsoftConfig[:custom_css]
     if css.blank?
-      render text: nil, content_type: 'text/css', status: 404
+      render body: nil, content_type: 'text/css', status: 404
     else
       expires_in 1.week, public:true if params[:md5].present?
-      render text: css, content_type: 'text/css'
+      render body: css, content_type: 'text/css'
     end
   end
 end

plugins/polls/app/controllers/polls_controller.rb

@@ -1,5 +1,5 @@
 class PollsController < ApplicationController
-  before_filter -> { require_plugin_enabled FoodsoftPolls }
+  before_action -> { require_plugin_enabled FoodsoftPolls }
 
   def index
     @polls = Poll.page(params[:page]).per(@per_page).order(created_at: :desc)