server_navigation.rb

SimpleNavigation::Configuration.run do |navigation|
  navigation.renderer = ::Appstack::SimpleNavigationRenderer
  navigation.auto_highlight = true
  navigation.highlight_on_subpath = true
  navigation.selected_class = 'active'
  navigation.items do |primary|
    primary.item  :dashboard,
                  t('dashboard'),
                  server_root_path,
                  { icon: 'tachometer-alt', highlights_on: %r{server$} }
    primary.item  :universities,
                  University.model_name.human(count: 2),
                  server_universities_path, { icon: 'university' } if can?(:read, University)
    primary.item  :languages,
                  Language.model_name.human(count: 2),
                  server_languages_path,
                  { icon: 'flag' } if can?(:read, Language)
    primary.item  :blocks,
                  Communication::Block.model_name.human(count: 2),
                  server_blocks_path,
                  { icon: 'puzzle-piece' } if can?(:read, Communication::Block)
  end
end