improve download releases button

app/models/appearance_release.rb

@@ -164,6 +164,10 @@ class AppearanceRelease < ApplicationRecord
     "#{project.name.parameterize}_#{contract_template.release_type}_#{(signed_at || created_at).strftime('%Y.%m.%d')}_#{release_number}_#{filename_suffix.parameterize}"
   end
 
+  def complete?
+    person_photo.attached? && contract.attached?
+  end
+
   private
 
   # Validates the quality of the person photo