ruby - Rails replacement for observers -


i have rails app keeps extensive audit trail (history) on many of primary models. used observers in rails 3 , 4 (using external gems) no longer working in rails 5. not sure if problem external gems or code seemed time review code , maybe refactor using current best practices.

i've been reading various articles , there many different views on implementation. i've researched model concerns, pub/sub, explicit calls in controllers, etc.

any insight , pros/cons of various methods appreciated.

thanks.


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