New UI : Accept only few extensions

app/uploaders/commentaire_file_uploader.rb

@@ -12,4 +12,12 @@ class CommentaireFileUploader < BaseUploader
   def store_dir
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
+
+  def extension_white_list
+    %w(pdf doc docx xls xlsx ppt pptx odt ods odp jpg jpeg png zip txt)
+  end
+
+  def accept_extension_list
+    extension_white_list.map{ |e| ".#{e}" }.join(",")
+  end
 end

app/views/new_gestionnaire/dossiers/messagerie.html.haml

@@ -30,6 +30,6 @@
 
   = form_for(@commentaire, url: commentaire_dossier_path(@dossier.procedure, @dossier), html: { class: 'form' }) do |f|
     = f.text_area :body, rows: 5, placeholder: 'Répondre ici', required: true
-    = f.file_field :file
+    = f.file_field :file, accept: @commentaire.accept_extension_list
     .send-wrapper
       = f.submit 'Envoyer', class: 'button send', data: { disable_with: "Envoi..." }