module ApplicationHelper def bootstrap_class_for(flash_type) { success: "alert-success", error: "alert-danger", alert: "alert-warning", notice: "alert-info" }.stringify_keys[flash_type.to_s] || flash_type.to_s end def flash_messages(opts={}) flash.each do |msg_type, message| concat(content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type)}") do concat content_tag(:button, content_tag(:span, "×"), class: "close", data: { dismiss: 'alert' }) concat message end) end nil end end