+ # Describe the given Roundcube *user*.
+ #
+ # @param user [User] the user whose description we want.
+ #
+ # @return [String] a string containing the Roundcube "User ID"
+ # associated with *user*.
+ #
+ def describe_user(user)
+ user_id = self.get_user_id(user)
+ return "User ID: #{user_id}"