名师列表排序

app/helpers/organizations_helper.rb

@@ -183,7 +183,8 @@ module OrganizationsHelper
   end
 
   def excellent_teachers
-    User.where("excellent_teacher =?",true)
+    User.find_by_sql("select u.*, ue.technical_title, ue.school_id,(select count(*) from courses where courses.tea_id = u.id) as course_count
+                                   from users u, user_extensions ue where u.id = ue.user_id and ue.identity=0 and u.excellent_teacher =1 order by course_count desc")
   end
 
 end