# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper
  FLASH_TYPES = [:error, :warning, :success, :message]
  def display_flash(type = nil)
    html = ""
    if type.nil?
      FLASH_TYPES.each { |name| html << display_flash(name) }
    else
      return flash[type].blank? ? "" : "#{flash[type]}"
    end
    html
  end
end