hangup urls formatted correctly, call session mgmt filter tweak

app/controllers/calls_controller.rb

@@ -1,6 +1,6 @@
 class CallsController < ApplicationController
 
-  around_filter :shopify_calls_session, :only => 'orders'
+  around_filter :shopify_call_session, :only => 'order_total'
 
   def index
     render :text => [
@@ -33,7 +33,7 @@ def order_total
       else
         render :text => [
           {:name => :Speak, :phrase => 'I did not find any orders that were created today. Goodbye.'},
-          {:name => :Hangup, :url => hangup_url}
+          {:name => :Hangup, :url => "#{hangup_url}.json"}
         ].to_json
       end
     else
@@ -42,7 +42,7 @@ def order_total
       end
       render :text => [
         {:name => :Speak, :phrase => "The total value for todays orders is #{total}. Goodbye."},
-        { :name => :Hangup, :url => hangup_url}
+        { :name => :Hangup, :url => "#{hangup_url}.json"}
       ].to_json
     end
   end

config/initializers/calls.rb

@@ -1,3 +1,5 @@
 CALLS = {} # expedient. Scale with memcached or equiv.
 # could wedge calls into the http session metaphor, use the call-id as a session id, and then use
-# either db, or memcached sessions. Something to look at.
+# either db, or memcached sessions. Something to look at.
+require 'call_sessions'
+ActionController::Base.send :include, CallSessionFilter

lib/call_sessions.rb

@@ -33,6 +33,4 @@ def shopify_call_session
   def current_call_session
     CALLS[params[:call_id]] if params[:call_id]
   end
-end
-
-ActionController::Base.send :include, CallSessionFilter
+end