Comments on: Randomize Filename in Paperclip

By: paxer

paxer — Wed, 01 Jun 2011 21:51:26 +0000

the problem of this method is if you have a validation in your model, then it fail …
to fix this i use before_post_process :randomize_file_name instead of before_create :randomize_file_name

By: Paperclip: timestamping attachments on upload

Paperclip: timestamping attachments on upload — Tue, 22 Mar 2011 15:39:47 +0000

[...] key bit is using the attachment’s #instance_write method, as suggested by Trevor Turk for a slightly different [...]

By: kerberos

kerberos — Fri, 11 Feb 2011 14:00:58 +0000

Thanks, the second example works like a charm.

By: Sergiy

Sergiy — Tue, 15 Sep 2009 08:56:31 +0000

I patched your code and found this more useful in my project:

def randomize_file_name

return if image_file_name.nil?

extension = File.extname(image_file_name).downcase

if image_file_name_changed?

self.image.instance_write(:file_name, "#{ActiveSupport::SecureRandom.hex(16)}#{extension}")

end

By: Zoran

Zoran — Sun, 05 Apr 2009 15:30:44 +0000

Thanks for sharing! This is indeed useful.