<% steps = [ ["Messaggio", mailing.persisted? ? edit_mailing_path(mailing) : new_mailing_path, current == :message], ["Destinatari", mailing.persisted? && mailing.editable? ? audience_mailing_path(mailing) : nil, current == :audience], ["Revisione", mailing.persisted? ? mailing_path(mailing) : nil, current == :review] ] %>