Rails - Sep 2010 - How to call a method in a controller with link_to?

Hello everyone, I have a MessagesController created with rails g
scaffold and the user may create messages that get saved, in tihs
controller I have a method called ''tweet'' that (using the
twitter
gem / Twitter API) triggers the given message to twitter. However I
don''t know how to put a tweet link in my /tweets/index.html.erb... you
know this link won''t be calling an action (edit, destroy, new), this
link will be calling a method created by myself in the controller. Can
you help me?

P.S: I am using rails 3.

Thanks!

Rodrigo Alves Vieira

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routes.rb

resources :messages do
  member do
    get :tweet
  end
end

should give you a tweet_message_path to use in a view like

<%= link_to(''Tweet This'', tweet_message_path(message.id))
%>

and direct the app to your tweet method in the messages_controller
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