Show last activity of ordergroups

app/models/ordergroup.rb

@@ -26,6 +26,13 @@ class Ordergroup < Group
     User.natural_order.all.reject { |u| (users.include?(u) || u.ordergroup) }
   end
 
+  def last_user_activity
+    last_active_user = users.order('users.last_activity DESC').first
+    if last_active_user
+      last_active_user.last_activity
+    end
+  end
+
   # the most recent order this ordergroup was participating in
   def last_order
     orders.order('orders.starts DESC').first

app/views/foodcoop/ordergroups/_ordergroups.html.haml

@@ -7,6 +7,7 @@
     %tr
       %th= heading_helper Ordergroup, :name
       %th= heading_helper Ordergroup, :user_tokens
+      %th= heading_helper Ordergroup, :last_user_activity
       %th= heading_helper Ordergroup, :last_order
 
   %tbody
@@ -14,5 +15,5 @@
       %tr
         %td= ordergroup.name
         %td=h ordergroup.users.collect { |u| show_user(u) }.join(", ")
+        %td= format_date ordergroup.last_user_activity
         %td= format_date ordergroup.last_order.try(:starts)
-

config/locales/de.yml

@@ -105,6 +105,7 @@ de:
         description: Beschreibung
         ignore_apple_restriction: Bestellstop bei zu wenig Äpfeln ignorieren
         last_order: Zuletst bestellt
+        last_user_activity: Zuletzt aktiv
         name: Name
         user_tokens: Mitglieder
       page:

config/locales/en.yml

@@ -106,6 +106,7 @@ en:
         description: Description
         ignore_apple_restriction: Ignore order stop by apple points restriction
         last_order: Last order
+        last_user_activity: Last activity
         name: Name
         user_tokens: Members
       page: