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import { MessageType } from '@/constants/chat';
import { useFetchFlow } from '@/hooks/flow-hooks';
import {
useHandleMessageInputChange,
useScrollToBottom,
useSendMessageWithSse,
} from '@/hooks/logic-hooks';
import { IAnswer } from '@/interfaces/database/chat';
import { IMessage } from '@/pages/chat/interface';
import api from '@/utils/api';
import { message } from 'antd';
import { useCallback, useEffect, useState } from 'react';
import { useParams } from 'umi';
import { v4 as uuid } from 'uuid';
import { receiveMessageError } from '../utils';
const antMessage = message;
export const useSelectCurrentMessages = () => {
const { id: id } = useParams();
const [currentMessages, setCurrentMessages] = useState<IMessage[]>([]);
const { data: flowDetail, loading } = useFetchFlow();
const messages = flowDetail.dsl.messages;
const reference = flowDetail.dsl.reference;
const ref = useScrollToBottom(currentMessages);
const addNewestQuestion = useCallback(
(message: string, answer: string = '') => {
setCurrentMessages((pre) => {
return [
...pre,
{
role: MessageType.User,
content: message,
id: uuid(),
},
{
role: MessageType.Assistant,
content: answer,
id: uuid(),
},
];
});
},
[],
);
const addNewestAnswer = useCallback((answer: IAnswer) => {
setCurrentMessages((pre) => {
return [
...pre.slice(0, -1),
{
id: uuid(),
role: MessageType.Assistant,
content: answer.answer,
reference: answer.reference,
},
];
});
}, []);
const removeLatestMessage = useCallback(() => {
setCurrentMessages((pre) => {
const nextMessages = pre?.slice(0, -2) ?? [];
return nextMessages;
return [...pre, ...nextMessages];
});
}, []);
useEffect(() => {
if (id) {
const nextMessages = messages.map((x) => ({ ...x, id: uuid() }));
setCurrentMessages(nextMessages);
}
}, [messages, id]);
return {
currentMessages,
reference,
addNewestQuestion,
removeLatestMessage,
addNewestAnswer,
ref,
loading,
};
};
export const useSendMessage = (
addNewestQuestion: (message: string, answer?: string) => void,
removeLatestMessage: () => void,
addNewestAnswer: (answer: IAnswer) => void,
) => {
const { id: flowId } = useParams();
const { handleInputChange, value, setValue } = useHandleMessageInputChange();
const { refetch } = useFetchFlow();
const { send, answer, done } = useSendMessageWithSse(api.runCanvas);
const sendMessage = useCallback(
async (message: string) => {
const params: Record<string, unknown> = {
id: flowId,
};
if (message) {
params.message = message;
}
const res = await send(params);
if (receiveMessageError(res)) {
antMessage.error(res?.data?.retmsg);
// cancel loading
setValue(message);
removeLatestMessage();
} else {
refetch(); // pull the message list after sending the message successfully
}
},
[flowId, removeLatestMessage, setValue, send, refetch],
);
const handleSendMessage = useCallback(
async (message: string) => {
sendMessage(message);
},
[sendMessage],
);
useEffect(() => {
if (answer.answer) {
addNewestAnswer(answer);
}
}, [answer, addNewestAnswer]);
const handlePressEnter = useCallback(() => {
if (done) {
setValue('');
handleSendMessage(value.trim());
}
addNewestQuestion(value);
}, [addNewestQuestion, handleSendMessage, done, setValue, value]);
return {
handlePressEnter,
handleInputChange,
value,
loading: !done,
};
};
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