clean up duplicate code

app/controllers/api/mappings_controller.rb

@@ -1,11 +1,3 @@
 class Api::MappingsController < API::RestfulController
 
-  def create
-    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
-    instantiate_resouce
-    resource.user = current_user
-    create_action
-    respond_with_resource
-  end
-
 end

app/controllers/api/maps_controller.rb

@@ -1,11 +1,3 @@
 class Api::MapsController < API::RestfulController
 
-  def create
-    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
-    instantiate_resouce
-    resource.user = current_user
-    create_action
-    respond_with_resource
-  end
-
 end

app/controllers/api/restful_controller.rb

@@ -1,6 +1,14 @@
 class API::RestfulController < ActionController::Base
   snorlax_used_rest!
 
+  def create
+    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
+    instantiate_resouce
+    resource.user = current_user
+    create_action
+    respond_with_resource
+  end
+
   def show
     load_resource
     raise AccessDenied.new unless resource.authorize_to_show(current_user)

app/controllers/api/synapses_controller.rb

@@ -1,11 +1,3 @@
 class Api::SynapsesController < API::RestfulController
 
-  def create
-    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
-    instantiate_resouce
-    resource.user = current_user
-    create_action
-    respond_with_resource
-  end
-
 end

app/controllers/api/tokens_controller.rb

@@ -1,13 +1,5 @@
 class Api::TokensController < API::RestfulController
-  
+ 
-  def create
-    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
-    instantiate_resouce
-    resource.user = current_user
-    create_action
-    respond_with_resource
-  end
-  
   def my_tokens
     raise CanCan::AccessDenied.new unless current_user.is_logged_in?
     instantiate_collection page_collection: false, timeframe_collection: false

app/controllers/api/topics_controller.rb

@@ -1,11 +1,3 @@
 class Api::TopicsController < API::RestfulController
 
-  def create
-    raise CanCan::AccessDenied.new unless current_user.is_logged_in?
-    instantiate_resouce
-    resource.user = current_user
-    create_action
-    respond_with_resource
-  end
-
 end