Rails Devise 2.0 own Log-out action - ruby-on-rails-3

Question

I use Devise and I want to do my logout action.
What I want to do is, that when I log out, I want to create a own JSON object to return. At this time, after I logt out, I get all my root articles.
How can I write my own destory action like I have found the create action?
class SessionsController < Devise::SessionsController
def create
resource = warden.authenticate!(:scope => resource_name, :recall => :failure)
return sign_in_and_redirect(resource_name, resource)
end
def sign_in_and_redirect(resource_or_scope, resource=nil)
scope = Devise::Mapping.find_scope!(resource_or_scope)
resource ||= resource_or_scope
sign_in(scope, resource) unless warden.user(scope) == resource
return render :json => {:success => true, :redirect => stored_location_for(scope) || after_sign_in_path_for(resource)}
end
def failure
return render:json => {:success => false, :errors => ["Login failed."]}
end
end
And my Routes in routes.rb
devise_for :users, :controllers => {:session => "sessions"} do
get "/users/sing_out" => "devise/sessions#destroy"
end

Answer 1

this is the destroy method of the sessions-controller.
you should be able to customize it to your needs. i think that it would be wiser to add another action and implementing your custom behavior there, as this will be less likely to cause unexpected errors with upgrading devise in the future.
# DELETE /resource/sign_out
def destroy
redirect_path = after_sign_out_path_for(resource_name)
signed_out = (Devise.sign_out_all_scopes ? sign_out : sign_out(resource_name))
set_flash_message :notice, :signed_out if signed_out
# We actually need to hardcode this as Rails default responder doesn't
# support returning empty response on GET request
respond_to do |format|
format.any(*navigational_formats) { redirect_to redirect_path }
format.all do
method = "to_#{request_format}"
text = {}.respond_to?(method) ? {}.send(method) : ""
render :text => text, :status => :ok
end
end
end