Merge pull request #919 from nirnanaaa/master

Staff scope defined in User model but not used in staff_constraint

lib/staff_constraint.rb

@@ -4,7 +4,7 @@ class StaffConstraint
 
   def matches?(request)
     return false unless request.session[:current_user_id].present?
-    User.where("admin = 't' or moderator = 't'").where(id: request.session[:current_user_id].to_i).exists?
+    User.staff.where(id: request.session[:current_user_id].to_i).exists?
   end
 
 end