.row
  .col-md-12
    .page-header
      %h1
        Registrations
        - if @event.max_attendees
          (#{@event.events_registrations.length}/#{@event.max_attendees})
        - else
          (#{@event.events_registrations.length})
      .text-muted
        for
        = @event.title

    - if @event.room && (@event_registrations.length > @event.room.size)
      %b Attention:
      You have more registrations than the capacity of the room!

    .well
      %table.datatable#registrations
        %thead
          %th
          %th Name
          %th Email
          %th Created At
          %th Attended
          %th Attended Conference
        %tbody
          - @event_registrations.each.with_index(1) do |event_registration, index|
            %tr
              %td= index
              %td= event_registration.name
              %td= event_registration.email
              %td= event_registration.created_at
              %td
                = check_box_tag @conference.short_title, @event.id, event_registration.attended, class: 'switch-checkbox', url: "/admin/conferences/#{@conference.short_title}/program/events/#{@event.id}/toggle_attendance?events_registration_id=#{event_registration.id}&&event_registration[attended]="
              %td
                - if event_registration.registration.attended
                  %i.fa.fa-check.text-success
                - else
                  %i.fa.fa-close.text-danger

.row
  .col-md-12
    .page-header
      %h1
        Registrations
        - if @event.max_attendees
          (#{@event.events_registrations.length}/#{@event.max_attendees})
        - else
          (#{@event.events_registrations.length})
      .text-muted
        for
        = @event.title

    - if @event.room.try(:size) && (@event_registrations.length > @event.room.size)
      %b Attention:
      You have more registrations than the capacity of the room!

    .well
      %table.datatable#registrations
        %thead
          %th
          %th Name
          %th Email
          %th Created At
          %th Attended
          %th Attended Conference
        %tbody
          - @event_registrations.each.with_index(1) do |event_registration, index|
            %tr
              %td= index
              %td= event_registration.name
              %td= event_registration.email
              %td= event_registration.created_at
              %td
                = check_box_tag @conference.short_title, @event.id, event_registration.attended, class: 'switch-checkbox', url: "/admin/conferences/#{@conference.short_title}/program/events/#{@event.id}/toggle_attendance?events_registration_id=#{event_registration.id}&&event_registration[attended]="
              %td
                - if event_registration.registration.attended
                  %i.fa.fa-check.text-success
                - else
                  %i.fa.fa-close.text-danger

Fix event registatrion for rooms without size
Fix event registatrion for rooms without size

If the room size is not set (which is possible as the size is not
mandatory), the events registrations page breaks because of a
comparison of nil with Integer.
