Helpers that return either <a> or <span> tags, based on the condition

link_to_span.rb

  # helpers to output either link, or span based on the condition
  def link_to_span_unless(condition, name = nil, options = {}, html_options = {}, &block)
    if condition
      content_tag :span, name, html_options, &block
    else
      link_to name, options, html_options, &block
    end
  end

  def link_to_span_if(condition, *args)
    link_to_span_unless !condition, *args
  end