module ApplicationHelper

  def my_error_messages!
    return "" if resource.errors.empty?

    messages = resource.errors.full_messages.map { |msg| content_tag(:li, msg) }.join
    sentence = I18n.t("errors.messages.not_saved",
                      count: resource.errors.count,
                      resource: resource.class.model_name.human.downcase)

    html = <<-HTML
    <div class="alert alert-danger alert-dismissable">
    <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
    <h5><strong>#{sentence}</strong></h5>
      <ul>#{messages}</ul>
    </div>
    HTML

    html.html_safe
  end

end
