class ChatItem:
    def __init__(self, event_id, timestamp, user_name, is_own_message, relates_to_event, message):
        self.event_id = event_id
        self.timestamp = timestamp
        self.user_name = user_name
        self.is_own_message = is_own_message
        self.relates_to_event = relates_to_event
        self.message = message
        self.num_tokens = None
    def __str__(self):
        return str("{}: {}".format(self.user_name, self.message))
    def getLine(self):
        return str("{}: {}".format(self.user_name, self.message))