I’ve now tried to write this post like three times, and one thing that’s clear to me again is why you don’t see more write-ups of even moderately complicated real-ish problems. It’s hard to get enough of the context across to make the code sensible without being overwhelming. But there’s a Rails and ActiveRecord structure that this example gets to that I think is useful, so I’m going to try again. (Spoiler alert: the trick is refactoring ActiveRecord has_many lists to wrap them in...
