I am using carrierwave with an extension gem carrierwave_backgrounder.
One of my AR models has column
which stores whether “background processing is complete”.
(i.e. all the image versions, equivalent to Shrine’s “derivatives”, are generated)
(See carrierwave_backgrounder README to see original feature description)
I have implemented background promoting, and updated the worker to create derivatives before promote.
But I am not sure how to implement the feature mentioned above.
So I would like to hear your opinion.