module ApplicationCable
  # The WebSocket knows the signed-in user from the same session cookie as
  # the rest of the app. Anonymous connections are allowed: a share link
  # token (a subscription parameter) can grant access on its own.
  class Connection < ActionCable::Connection::Base
    identified_by :current_user

    def connect
      self.current_user = Session.find_by(id: cookies.signed[:session_id])&.user if cookies.signed[:session_id]
    end
  end
end