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annotate love/epi/src/hooks/useChat.ts @ 211:a6d8d32a0261

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[MrJuneJune] Simple animations for darkmode.
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 21:38:23 -0800
parents cf9caa4abc3e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
38
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
1 import { useAtom, useSetAtom } from 'jotai';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
2 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
3 import { messagesAtom, addMessageAtom, updateChatTitleAtom } from '@/atoms/chatAtoms';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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4
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
5 import { sendMessageChatId, subscribeToChat } from '@/hooks/useChatWebsocket';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
6 import type { Payload } from '@/hooks/useChatWebsocket';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
7 import { useComposer } from './useComposer';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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8
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
9 export function useChat(chatId: string) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
10 const [isLoading, setIsLoading] = useState<boolean>(false);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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11
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
12 const messagesAtomForChat = useMemo(() => messagesAtom(chatId), [chatId]);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
13 const [messages, setMessages] = useAtom(messagesAtomForChat);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
14 const { setIdle } = useComposer();
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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15
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
16 const addMessage = useSetAtom(addMessageAtom);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
17 const updateChatTitle = useSetAtom(updateChatTitleAtom);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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18
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
19 const streamingMessageIdRef = useRef<string | null>(null);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
20
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
21 useEffect(() => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
22 const unsubscribe = subscribeToChat(chatId, (payload: Payload) => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
23 if (payload.action === 'done') {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
24 setIdle();
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
25 streamingMessageIdRef.current = null;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
26 return;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
27 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
28
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
29 if (payload.action === 'title_updated' && streamingMessageIdRef.current) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
30 updateChatTitle({ chatId, title: payload.title });
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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31 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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32
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
33 if (payload.action === 'image' && payload.url && streamingMessageIdRef.current) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
34 setMessages(prev =>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
35 prev.map(m =>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
36 m.id === streamingMessageIdRef.current
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
37 ? { ...m, image_url: payload.url }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
38 : m,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
39 ),
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
40 );
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
41 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
42
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
43 if (payload.action === 'append' && payload.content && streamingMessageIdRef.current) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
44 setMessages(prev =>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
45 prev.map(m =>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
46 m.id === streamingMessageIdRef.current
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
47 ? { ...m, content: m.content + payload.content }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
48 : m,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
49 ),
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
50 );
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
51 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
52 });
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
53
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
54 return unsubscribe;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
55 }, [chatId, setIdle, setMessages]);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
56
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
57 const sendUserMessage = useCallback(
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
58 (content: string, overrideChatID?: string) => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
59 if (!(chatId || overrideChatID) || !content.trim()) return;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
60
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
61 const effectiveChatId = (chatId === 'new' || !chatId) && overrideChatID ? overrideChatID : chatId;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
62
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
63 addMessage({
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
64 chatId: effectiveChatId,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
65 message: { role: 'user', content: content.trim(), type: 'text' },
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
66 });
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
67
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
68 const id = crypto.randomUUID();
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
69 streamingMessageIdRef.current = id;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
70
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
71 addMessage({
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
72 chatId: effectiveChatId,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
73 message: { id, role: 'assistant', content: '', type: 'text' },
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
74 });
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
75
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
76 sendMessageChatId(content, effectiveChatId);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
77 },
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
78 [chatId, addMessage],
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
79 );
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
80
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
81 const stopStreaming = useCallback(() => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
82 setIsLoading(false);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
83 streamingMessageIdRef.current = null;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
84 }, []);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
85
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
86 return {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
87 messages: messages ?? [],
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
88 sendUserMessage,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
89 setMessages,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
90 isLoading,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
91 stopStreaming,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
92 };
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
93 }