Implemented stats for ordergroups on startpage. Annotated models.

db/migrate/20090731132547_add_stats_to_groups.rb

@@ -0,0 +1,11 @@
+class AddStatsToGroups < ActiveRecord::Migration
+  def self.up
+    add_column :groups, :stats, :text
+
+    Ordergroup.all.each { |o| o.update_stats! }
+  end
+
+  def self.down
+    remove_column :groups, :stats
+  end
+end