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import { MessageType } from '@/constants/chat';
import { useFetchFlow } from '@/hooks/flow-hooks';
import {
useHandleMessageInputChange,
// useScrollToBottom,
useSendMessageWithSse,
} from '@/hooks/logicHooks';
import { IAnswer } from '@/interfaces/database/chat';
import { IMessage } from '@/pages/chat/interface';
import omit from 'lodash/omit';
import { useCallback, useEffect, useState } from 'react';
import { useParams } from 'umi';
import { v4 as uuid } from 'uuid';
import { Operator } from '../constant';
import useGraphStore from '../store';
export const useSelectCurrentConversation = () => {
const { id: id } = useParams();
const findNodeByName = useGraphStore((state) => state.findNodeByName);
const [currentMessages, setCurrentMessages] = useState<IMessage[]>([]);
const { data: flowDetail } = useFetchFlow();
const messages = flowDetail.dsl.history;
const prologue = findNodeByName(Operator.Begin)?.data?.form?.prologue;
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) => {
const latestMessage = currentMessages?.at(-1);
if (latestMessage) {
return [
...pre.slice(0, -1),
{
...latestMessage,
content: answer.answer,
reference: answer.reference,
},
];
}
return pre;
});
},
[currentMessages],
);
const removeLatestMessage = useCallback(() => {
setCurrentMessages((pre) => {
const nextMessages = pre?.slice(0, -2) ?? [];
return [...pre, ...nextMessages];
});
}, []);
const addPrologue = useCallback(() => {
if (id === '') {
const nextMessage = {
role: MessageType.Assistant,
content: prologue,
id: uuid(),
} as IMessage;
setCurrentMessages({
id: '',
reference: [],
message: [nextMessage],
} as any);
}
}, [id, prologue]);
useEffect(() => {
addPrologue();
}, [addPrologue]);
useEffect(() => {
if (id) {
setCurrentMessages(messages);
}
}, [messages, id]);
return {
currentConversation: currentMessages,
addNewestQuestion,
removeLatestMessage,
addNewestAnswer,
};
};
// export const useFetchConversationOnMount = () => {
// const { conversationId } = useGetChatSearchParams();
// const fetchConversation = useFetchConversation();
// const {
// currentConversation,
// addNewestQuestion,
// removeLatestMessage,
// addNewestAnswer,
// } = useSelectCurrentConversation();
// const ref = useScrollToBottom(currentConversation);
// const fetchConversationOnMount = useCallback(() => {
// if (isConversationIdExist(conversationId)) {
// fetchConversation(conversationId);
// }
// }, [fetchConversation, conversationId]);
// useEffect(() => {
// fetchConversationOnMount();
// }, [fetchConversationOnMount]);
// return {
// currentConversation,
// addNewestQuestion,
// ref,
// removeLatestMessage,
// addNewestAnswer,
// };
// };
export const useSendMessage = (
conversation: any,
addNewestQuestion: (message: string, answer?: string) => void,
removeLatestMessage: () => void,
addNewestAnswer: (answer: IAnswer) => void,
) => {
const { id: conversationId } = useParams();
const { handleInputChange, value, setValue } = useHandleMessageInputChange();
const { send, answer, done } = useSendMessageWithSse();
const sendMessage = useCallback(
async (message: string, id?: string) => {
const res: Response | undefined = await send({
conversation_id: id ?? conversationId,
messages: [
...(conversation?.message ?? []).map((x: IMessage) => omit(x, 'id')),
{
role: MessageType.User,
content: message,
},
],
});
if (res?.status !== 200) {
// cancel loading
setValue(message);
removeLatestMessage();
}
},
[
conversation?.message,
conversationId,
removeLatestMessage,
setValue,
send,
],
);
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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