Hmm I'm still confused. But thx for helping. Le mardi 23 octobre 2012 18:22:12 UTC+2, Frederick Cheung a écrit : > > > On Tuesday, October 23, 2012 2:11:31 PM UTC+1, Jean-David wrote: >> >> module SessionsHelper >> >> def sign_in(user) >> cookies.permanent[:remember_token] = user.remember_token >> self.current_user = user >> end >> >> def current_user=(user) >> @current_user = userend >> >> def current_user >> @current_user ||= User.find_by_remember_token(cookies[:remember_token])end >> >> end >> >> >> What does self.current_user = user do? >> It calls the current_user=(user) method passing user as a parameter, >> right? But do we need the user parameter? I got rid of it and it works >> fine, as far as I can see. >> >> >> What does current_user=(user) do? >> And what/who calls current_user when? >> > > Typically you're calling current_user, for example to check whether there > is a logged in user, so that you know what user is creating comments, posts > etc. > > As I read it, self.current_user= is just a bit of an optimisation - if the > user has just signed in then you know what the current_user is so you can > prime the cache (@current_user) with the user value you've been passed > > Fred >
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