I have a plugin that adds a model, server, which has a user_id field. I want only the owner of the server to be able to make a POST (or maybe it should be a PUT?–the action will do a command-line rebuild of a Discourse instance on their server`; I’m not sure which would be best practice.) In config…

Can’t you pass a method to before_action to check your condition?

I think that the permissions need to be enforced in the controller or the constraints. The model doesn’t know who is calling it, I think. Thanks very much for thinking about this.

I think you need a guardian method to check if a user is allowed to perform a given action. for e.g. can_upgrade_server? Also, once you do that, you can use guardian.ensure_can_upgrade_server! method which checks the condition and raises an exception which I think is exactly what you want.

Ooooh! Guardian method! Yes! I’ll look at those! Thanks.

The only model that uses guardian is the user model . It looks like most of the action with guardian is in the controllers. For example, the categories controller uses ensure_can_create_category , which I think is magically created over in lib/guardian.rb . But for now, I’m not using guardian because…

Melhor forma de impor permissões — controller ou constraint?

Dev

pfaffman (Jay Pfaffman) Janeiro 16, 2021, 1:39pm 3

Acho que as permissões precisam ser aplicadas no controlador ou nas restrições. O modelo não sabe quem o está chamando, creio eu.

Muito obrigado por pensar nisso.

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Melhor forma de impor permissões — controller ou constraint?

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