- selected = params[:region].to_i == region.id

%li{ class: selected ? 'selected' : '' }
  - if region.url.present?
    = link_to region.url do
      = image_tag "regions/#{region.code}.png" if region.code.present?
      = region.name
  - else
    = link_to region: region.id,
      start_date: params[:start_date],
      year: params[:year],
      tag: params[:tag] do
      %em.fa.fa-shield
      = region.name
      - if selected
        %em.fa.fa-chevron-down
  %ul
    = render partial: '/regions/region',
      collection: Region.where(region: region)