class Decidim::Meetings::MeetingsController

def index
  return unless search.results.empty? && params.dig("filter", "date") != "past"
  @past_meetings = search_klass.new(search_params.merge(date: "past"))
  unless @past_meetings.results.empty?
    params[:filter] ||= {}
    params[:filter][:date] = "past"
    @forced_past_meetings = true
    @search = @past_meetings
  end
end