Upstream sync

app/models/concerns/approvable.rb

@@ -1,15 +1,24 @@
 module Approvable
   extend ActiveSupport::Concern
-  
+
   included do
+    include ActiveStorageSupport::SupportForBase64
+
+    has_one_base64_attached :approved_by_user_signature
+
+    # Requires signature when saving in the approval context
+    with_options on: :approval do
+      validates :approved_by_user_signature, attached: true
+    end
+
     def approve_by(user)
       return unless approved_at.nil?
-  
+
       self.approved_by_user_name = user.full_name
       self.approved_by_user_email = user.email
-      self.approved_at = Time.zone.now
+      self.approved_at = BigMediaTime.time_zone_now
     end
-  
+
     def approved?
       self.approved_at.present?
     end