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Polymorphic Selects in Rails using GlobalIDs Discussion

This is fantastic Chris thank you, I'm curious how this would work for the edit view of the form?

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You'll need to set the expires_in: nil parameter to have idempotent signed ids generated.
Document.find(5).to_sgid(expires_in: nil)

Documented here https://github.com/rails/globalid

This way your browser will be able to display the currently selected value from the list of options.

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Chris, I usually don’t want to leak IDs so I use uuid columns for that, and also change to_param to return the uuid. Do you also think this is a suitable replacement for that use case?

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I'm having a hard time figuring out how to set the default value when editing the form. Anyone else have that working?

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If it helps anyone else, I figured it out. You have to make sure to add expires_in: nil to your :to_sgid method; otherwise, when you send in the default value, it will use a new expiry, won't match any of the options, and won't mark and display any option as 'selected.'

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