lib/paperclip/interpolations.rb in paperclip-2.3.8 vs lib/paperclip/interpolations.rb in paperclip-2.3.9

@@ -46,14 +46,24 @@
       raise InfiniteInterpolationError if caller.any?{|b| b.index(RIGHT_HERE) }
       attachment.url(style_name, false)
     end
 
     # Returns the timestamp as defined by the <attachment>_updated_at field
+    # in the server default time zone unless :use_global_time_zone is set
+    # to false.  Note that a Rails.config.time_zone change will still
+    # invalidate any path or URL that uses :timestamp.  For a
+    # time_zone-agnostic timestamp, use #updated_at.
     def timestamp attachment, style_name
-      attachment.instance_read(:updated_at).to_s
+      attachment.instance_read(:updated_at).in_time_zone(attachment.time_zone).to_s
     end
 
+    # Returns an integer timestamp that is time zone-neutral, so that paths
+    # remain valid even if a server's time zone changes.
+    def updated_at attachment, style_name
+      attachment.updated_at
+    end
+
     # Returns the Rails.root constant.
     def rails_root attachment, style_name
       Rails.root
     end
 
@@ -90,9 +100,15 @@
     end
 
     # Returns the fingerprint of the instance.
     def fingerprint attachment, style_name
       attachment.fingerprint
+    end
+
+    # Returns a the attachment hash.  See Paperclip::Attachment#hash for
+    # more details.
+    def hash attachment, style_name
+      attachment.hash(style_name)
     end
 
     # Returns the id of the instance in a split path form. e.g. returns
     # 000/001/234 for an id of 1234.
     def id_partition attachment, style_name