refactor(piece_justificative): UX follows mockups

app/components/attachment/multiple_component.rb

@@ -22,19 +22,43 @@ class Attachment::MultipleComponent < ApplicationComponent
     @attachments = attached_file.attachments || []
   end
 
+  def champ
+    form.object
+  end
+
   def each_attachment(&block)
     @attachments.each_with_index(&block)
   end
 
   def can_attach_next?
-    return false if @attachments.empty?
-    return false if !@attachments.last.persisted?
-
     @attachments.count < @max
   end
 
-  def stimulus_controller_name
-    "attachment-multiple"
+  def empty_component_id
+    "attachment-multiple-empty-#{form.object.id}"
+  end
+
+  def in_progress?
+    @attachments.any? do
+      attachment_in_progress?(_1)
+    end
+  end
+
+  def in_progress_long?
+    @attachments.any? do
+      attachment_in_progress?(_1) && _1.created_at < 30.seconds.ago
+    end
+  end
+
+  def poll_controller_options
+    {
+      controller: 'turbo-poll',
+      turbo_poll_url_value: auto_attach_url
+    }
+  end
+
+  def auto_attach_url
+    helpers.auto_attach_url(form.object)
   end
 
   private
@@ -42,4 +66,8 @@ class Attachment::MultipleComponent < ApplicationComponent
   def attachments
     @attachments
   end
+
+  def attachment_in_progress?(attachment)
+    attachment.virus_scanner.pending? || attachment.watermark_pending?
+  end
 end