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- protected
- def current_user
- @current_user ||= User.find_by_id(session[:user_id])
- end
- def signed_in?
- !!current_user
- end
- helper_method :current_user, :signed_in?
- def current_user=(user)
- @current_user = user
- session[:user_id] = user.id
- end
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