class ConfirmationsController

def create

POST /resource/confirmation
def create
  self.resource = resource_class.send_confirmation_instructions(params[resource_name])
  if resource.errors.empty?
    set_flash_message :success, :send_instructions
    redirect_to new_session_path(resource_name)
  else
    render :new
  end
end

def new

GET /resource/confirmation/new
def new
  build_resource
end

def show

GET /resource/confirmation?perishable_token=abcdef
def show
  self.resource = resource_class.confirm!(:confirmation_token => params[:confirmation_token])
  if resource.errors.empty?
    sign_in(resource_name, resource)
    set_flash_message :success, :confirmed
    redirect_to home_or_root_path
  else
    render :new
  end
end