I had a similar need -- in my case I want to insert a cover letter at page 1 of a PDF attachment -- and I came up with this:
https://gist.github.com/benwalsh/d611608ea9f4ff6e1ec1efd0d3755b37 In the model, then: include ActiveStorageCallbacks perform_attach welcome_pack: { before: :insert_cover_letter } I tried a more sophisticated approach that injected the custom callback into the callback chain but it was hard so I gave up. On Monday, 20 May 2019 20:57:36 UTC+1, Tom Rossi wrote: > > I'm not sure how common this is, but wondering if its worth working on a > PR for ActiveStorage to allow you to use callbacks. Something like this for > example to run a method after analyze is complete: > > has_one_attached :artwork, after_analyze: :my_method > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-core@googlegroups.com. Visit this group at https://groups.google.com/group/rubyonrails-core. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-core/f42eba14-2be0-4c6c-bce5-319ed32043cb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
