class SessionsController

def clean_up_passwords(object)
  object.clean_up_passwords if object.respond_to?(:clean_up_passwords)
end

def create
  if resource = authenticate(resource_name)
    set_flash_message :notice, :signed_in
    sign_in_and_redirect(resource_name, resource, true)
  elsif [:custom, :redirect].include?(warden.result)
    throw :warden, :scope => resource_name
  else
    set_now_flash_message :alert, (warden.message || :invalid)
    clean_up_passwords(build_resource)
    render_with_scope :new
  end
end

def destroy
  set_flash_message :notice, :signed_out if signed_in?(resource_name)
  sign_out_and_redirect(resource_name)
end

def new
  unless flash[:notice].present?
    Devise::FLASH_MESSAGES.each do |message|
      set_now_flash_message :alert, message if params.try(:[], message) == "true"
    end
  end
  build_resource
  render_with_scope :new
end