Question

here is my route

resources :games do
  resources :message_templates, :shallow => true

my rake routes is like this

                  game_message_templates GET    /games/:game_id/message_templates(.:format)              message_templates#index
                                         POST   /games/:game_id/message_templates(.:format)              message_templates#create
               new_game_message_template GET    /games/:game_id/message_templates/new(.:format)          message_templates#new
                   edit_message_template GET    /message_templates/:id/edit(.:format)                    message_templates#edit
                        message_template GET    /message_templates/:id(.:format)                         message_templates#show
                                         PUT    /message_templates/:id(.:format)                         message_templates#update
                                         DELETE /message_templates/:id(.:format)                         message_templates#destroy

and my _form.erb, looks like this

<% form_for(@message_template) do |f| %>

but I get this error

undefined method `message_templates_path'

Answer 1

It looks like you’re creating a new message template for a given game in which case you need to provide the route with the associated game. If it were an existing message template the path would be message_template_path rather than message_templates_path.

Say:

<% form_for([@game, @message_template]) do |f| %>