document.py 文件源码

def get_chat_message_list(user_id, skip=0, limit=None):
        '''????????????'''

        user_dbref = DBRef(UserDocument.meta['collection'], ObjectId(user_id))
        query = {
            '$or': [{'sender': user_dbref}, {'recipient': user_dbref}]
        }

        cursor = ChatMessageDocument.find(query).sort(
            [('send_time', pymongo.DESCENDING)]
        ).skip(skip)

        if limit is not None:
            cursor = cursor.limit(limit)

        chat_message_list = yield ChatMessageDocument.to_list(cursor)
        chat_message_list = yield ChatMessageDocument.translate_dbref_in_document_list(
            chat_message_list)

        raise gen.Return(chat_message_list)