1 files changed, 12 insertions, 7 deletions
diff --git a/actioncable/lib/action_cable/channel/broadcasting.rb b/actioncable/lib/action_cable/channel/broadcasting.rb
index 9a96720f4a..bd900e1c65 100644
--- a/actioncable/lib/action_cable/channel/broadcasting.rb
+++ b/actioncable/lib/action_cable/channel/broadcasting.rb
@@ -12,17 +12,22 @@ module ActionCable
       module ClassMethods
         # Broadcast a hash to a unique broadcasting for this <tt>model</tt> in this channel.
         def broadcast_to(model, message)
-          ActionCable.server.broadcast(broadcasting_for([ channel_name, model ]), message)
+          ActionCable.server.broadcast(broadcasting_for(model), message)
         end
 
-        def broadcasting_for(model) #:nodoc:
+        # Returns a unique broadcasting identifier for this <tt>model</tt> in this channel.
+        def broadcasting_for(model)
+          serialize_broadcasting([ channel_name, model ])
+        end
+
+        def serialize_broadcasting(object) #:nodoc:
           case
-          when model.is_a?(Array)
-            model.map { |m| broadcasting_for(m) }.join(":")
-          when model.respond_to?(:to_gid_param)
-            model.to_gid_param
+          when object.is_a?(Array)
+            object.map { |m| serialize_broadcasting(m) }.join(":")
+          when object.respond_to?(:to_gid_param)
+            object.to_gid_param
           else
-            model.to_param
+            object.to_param
           end
         end
       end