- if params[:exercise_id].nil?
  h1 = ProgrammingGroup.model_name.human(count: 2)
  = render(layout: 'shared/form_filters') do |f|
    .col-auto
      = f.label(:exercise_id_eq, t('activerecord.attributes.programming_group.exercise'), class: 'visually-hidden form-label')
      = f.collection_select(:exercise_id_eq, Exercise.with_programming_groups, :id, :title, class: 'form-control', prompt: t('activerecord.attributes.programming_group.exercise'))
    .col-auto
      = f.label(:programming_group_memberships_user_of_ExternalUser_type_id_eq, t('activerecord.attributes.programming_group.external_user_id'), class: 'visually-hidden form-label')
      = f.search_field(:programming_group_memberships_user_of_ExternalUser_type_id_eq, class: 'form-control', placeholder: t('activerecord.attributes.programming_group.external_user_id'))
    .col-auto
      = f.label(:programming_group_memberships_user_of_InternalUser_type_id_eq, t('activerecord.attributes.programming_group.internal_user_id'), class: 'visually-hidden form-label')
      = f.search_field(:programming_group_memberships_user_of_InternalUser_type_id_eq, class: 'form-control', placeholder: t('activerecord.attributes.programming_group.internal_user_id'))
- else
  h1 = "#{ProgrammingGroup.model_name.human(count: 2)} for Exercise '#{@exercise.title}'"

.table-responsive
  table.table.mt-4 class=(@programming_groups.present? ? 'sortable' : '')
    thead
      tr
        th.sortable_nosort = sort_link(@search, :id, t('activerecord.attributes.programming_group.name'))
        - if params[:exercise_id].blank?
          th.sorttable_nosort = sort_link(@search, :exercise_id, t('activerecord.attributes.programming_group.exercise'))
        th = t('activerecord.attributes.programming_group.member')
        th = t('activerecord.attributes.programming_group.member_count')
        th.sorttable_nosort = sort_link(@search, :created_at, t('shared.created_at'))
        th colspan=3 = t('shared.actions')
    tbody
      - if params[:exercise_id].nil?
        - filtered_programming_groups = @programming_groups
      - else
        - filtered_programming_groups = @programming_groups.where(exercise_id: params[:exercise_id])
      - filtered_programming_groups.each do |programming_group|
        tr
          td = link_to_if(policy(programming_group).show?, programming_group.displayname, programming_group)
          - if params[:exercise_id].blank?
            td = link_to_if(policy(programming_group.exercise).show?, programming_group.exercise.title, programming_group.exercise, 'data-turbolinks': 'false')
          td == programming_group.users.map {|user| link_to_if(policy(user).show?, user.name, user) }.join(', ')
          td = programming_group.users.size
          td = l(programming_group.created_at, format: :short)
          td = link_to(t('shared.show'), programming_group) if policy(programming_group).show?
          td = link_to(t('shared.edit'), edit_programming_group_path(programming_group)) if policy(programming_group).edit?
          td = link_to(t('shared.destroy'), programming_group, data: {confirm: t('shared.confirm_destroy')}, method: :delete) if policy(programming_group).destroy?
= render('shared/pagination', collection: @programming_groups)