refactor keys controller

app/controllers/profiles/keys_controller.rb

@@ -14,7 +14,7 @@ class Profiles::KeysController < Profiles::ApplicationController
     @key = Keys::CreateService.new(current_user, key_params).execute
 
     if @key.persisted?
-      redirect_to profile_key_path(@key)
+      redirect_to_profile_key_path
     else
       @keys = current_user.keys.select(&:persisted?)
       render :index
@@ -50,6 +50,12 @@ class Profiles::KeysController < Profiles::ApplicationController
     end
   end
 
+  protected
+
+  def redirect_to_profile_key_path
+    redirect_to profile_key_path(@key)
+  end
+
   private
 
   def key_params