def add_message(sender_id: int, message_text: str, chat_id: int, session: Optional[Session] = None) -> int:
if session is None:
session = create_session()
message = Message()
message.sender_id = sender_id
message.dispatch_date = datetime.datetime.now()
message.text = message_text
message.chat_id = chat_id
session.add(message)
session.commit()
return message.id
def write_first_chat_message(chat_id: int, user_id: int, session: Optional[Session] = None) -> Message:
if session is None:
session = create_session()
message = Message()
message.sender_id = user_id
message.dispatch_date = datetime.datetime.now()
message.text = FIRST_CHAT_MESSAGE_TEXT
message.chat_id = chat_id
session.add(message)
session.commit()
session.query(Chat).filter(Chat.id == chat_id).update({"last_message_id": message.id})
session.commit()
return message