= form_for(commentaire, url: form_url, html: { class: 'form' }) do |f|
  - placeholder = 'Écrivez votre message à l’administration ici'
  - if instructeur_signed_in? || administrateur_signed_in?
    - placeholder = 'Écrivez votre message ici'
  = f.text_area :body, rows: 5, placeholder: placeholder, required: true, class: 'message-textarea'
  .flex.justify-between.wrap
    %div
      = f.file_field :piece_jointe, id: 'piece_jointe', direct_upload: true
      %label{ for: :piece_jointe }
        .notice
          (taille max : 20 Mo)

    %div
      = f.submit 'Envoyer le message', class: 'button primary send', data: { disable: true }