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| 1 | +import { useEffect, useState } from 'react'; |
| 2 | +import { |
| 3 | + Ai, |
| 4 | + ai, |
| 5 | + useArray, |
| 6 | + useCanWrite, |
| 7 | + useStore, |
| 8 | + useTitle, |
| 9 | + type Resource, |
| 10 | +} from '@tomic/react'; |
| 11 | +import type { ResourcePageProps } from '@views/ResourcePage'; |
| 12 | +import toast from 'react-hot-toast'; |
| 13 | +import { type AIMessageContext, type AtomicUIMessage } from './types'; |
| 14 | +import { Column, Row } from '@components/Row'; |
| 15 | +import { EditableTitle } from '@components/EditableTitle'; |
| 16 | +import { DEFAULT_AICHAT_NAME } from '@components/AI/aiContstants'; |
| 17 | +import { useGenerativeData } from './useGenerativeData'; |
| 18 | +import { |
| 19 | + uiMessageToResource, |
| 20 | + messageResourcesToDisplayMessages, |
| 21 | +} from './chatConversionUtils'; |
| 22 | +import { TagBar } from '@components/Tag/TagBar'; |
| 23 | +import { RealAIChat } from './RealAIChat'; |
| 24 | + |
| 25 | +const AIChatPage: React.FC<ResourcePageProps<Ai.AiChat>> = ({ resource }) => { |
| 26 | + const store = useStore(); |
| 27 | + const [loading, setLoading] = useState(true); |
| 28 | + const [messages, setMessages] = useState<AtomicUIMessage[]>([]); |
| 29 | + const [contextItems, setContextItems] = useState<AIMessageContext[]>([]); |
| 30 | + const [messageSubjects, setMessageSubjects] = useArray( |
| 31 | + resource, |
| 32 | + ai.properties.messages, |
| 33 | + { |
| 34 | + commit: true, |
| 35 | + }, |
| 36 | + ); |
| 37 | + const [messageToResourceMap, setMessageToResourceMap] = useState( |
| 38 | + new Map<AtomicUIMessage, Resource>(), |
| 39 | + ); |
| 40 | + const [title, setTitle] = useTitle(resource); |
| 41 | + |
| 42 | + const canWrite = useCanWrite(resource); |
| 43 | + const { generateTitleFromConversation } = useGenerativeData(); |
| 44 | + |
| 45 | + const addNewMessage = async (message: AtomicUIMessage) => { |
| 46 | + setMessages(prev => [...prev, message]); |
| 47 | + |
| 48 | + try { |
| 49 | + const messageResource = await uiMessageToResource( |
| 50 | + message, |
| 51 | + resource, |
| 52 | + store, |
| 53 | + ); |
| 54 | + |
| 55 | + resource.push(ai.properties.messages, [messageResource.subject]); |
| 56 | + |
| 57 | + await resource.save(); |
| 58 | + |
| 59 | + setMessageToResourceMap(prev => { |
| 60 | + prev.set(message, messageResource); |
| 61 | + |
| 62 | + return prev; |
| 63 | + }); |
| 64 | + } catch (error) { |
| 65 | + console.error(error); |
| 66 | + toast.error('Failed to create message resource'); |
| 67 | + } |
| 68 | + }; |
| 69 | + |
| 70 | + const handleDeleteMessage = (message: AtomicUIMessage) => { |
| 71 | + const messageResource = messageToResourceMap.get(message); |
| 72 | + |
| 73 | + if (messageResource) { |
| 74 | + setMessageSubjects( |
| 75 | + messageSubjects.filter(s => s !== messageResource.subject), |
| 76 | + ); |
| 77 | + messageResource.destroy(); |
| 78 | + } |
| 79 | + |
| 80 | + setMessages(prev => prev.filter(m => m !== message)); |
| 81 | + |
| 82 | + setMessageToResourceMap(prev => { |
| 83 | + prev.delete(message); |
| 84 | + |
| 85 | + return prev; |
| 86 | + }); |
| 87 | + }; |
| 88 | + |
| 89 | + const removeFollowingMessages = async (message: AtomicUIMessage) => { |
| 90 | + const nextMessages = messages.slice( |
| 91 | + messages.findIndex(x => x.id === message.id) + 1, |
| 92 | + ); |
| 93 | + |
| 94 | + // We need to destroy the resources server side as well as in the internal state. |
| 95 | + // We also need to update the `messages` prop in the chat resource. |
| 96 | + const destroySubjects: string[] = []; |
| 97 | + |
| 98 | + for (const m of nextMessages) { |
| 99 | + const r = messageToResourceMap.get(m); |
| 100 | + |
| 101 | + if (r) { |
| 102 | + destroySubjects.push(r.subject); |
| 103 | + |
| 104 | + try { |
| 105 | + await r.destroy(); |
| 106 | + } catch (error) { |
| 107 | + console.error('Error removing message:', error); |
| 108 | + } |
| 109 | + } else { |
| 110 | + throw new Error(`Resource not found for message: ${m.id}`); |
| 111 | + } |
| 112 | + } |
| 113 | + |
| 114 | + try { |
| 115 | + // Set chat resource on server with new message array |
| 116 | + await resource.set( |
| 117 | + ai.properties.messages, |
| 118 | + resource.props.messages?.filter(x => !destroySubjects.includes(x)), |
| 119 | + ); |
| 120 | + await resource.save(); |
| 121 | + // Set internal message state |
| 122 | + setMessages(prev => { |
| 123 | + const newMessages = prev.slice( |
| 124 | + 0, |
| 125 | + prev.findIndex(x => x.id === message.id) + 1, |
| 126 | + ); |
| 127 | + |
| 128 | + return newMessages; |
| 129 | + }); |
| 130 | + } catch (error) { |
| 131 | + console.error('Error removing messages:', error); |
| 132 | + } |
| 133 | + }; |
| 134 | + |
| 135 | + // On load create AIChatDisplayMessages from the resource's messages. |
| 136 | + useEffect(() => { |
| 137 | + messageResourcesToDisplayMessages(messageSubjects, store).then(map => { |
| 138 | + setMessages(Array.from(map.keys())); |
| 139 | + setMessageToResourceMap(map); |
| 140 | + setLoading(false); |
| 141 | + }); |
| 142 | + }, []); |
| 143 | + |
| 144 | + // When there are only two messages and the title is still the default name, generate a title from the conversation. |
| 145 | + useEffect(() => { |
| 146 | + if (messages.length === 2 && title === DEFAULT_AICHAT_NAME) { |
| 147 | + generateTitleFromConversation(messages).then(setTitle); |
| 148 | + } |
| 149 | + }, [messages, title]); |
| 150 | + |
| 151 | + if (loading) { |
| 152 | + return <div>Loading...</div>; |
| 153 | + } |
| 154 | + |
| 155 | + return ( |
| 156 | + <RealAIChat |
| 157 | + fullView |
| 158 | + initialMessages={messages} |
| 159 | + readonly={!canWrite} |
| 160 | + externalContextItems={contextItems} |
| 161 | + setExternalContextItems={setContextItems} |
| 162 | + chatSubject={resource.subject} |
| 163 | + onNewMessage={addNewMessage} |
| 164 | + onDeleteMessage={handleDeleteMessage} |
| 165 | + onRegenerateMessage={removeFollowingMessages} |
| 166 | + > |
| 167 | + <Column gap='0.5rem'> |
| 168 | + <Row> |
| 169 | + <EditableTitle resource={resource} /> |
| 170 | + </Row> |
| 171 | + <TagBar resource={resource} /> |
| 172 | + </Column> |
| 173 | + </RealAIChat> |
| 174 | + ); |
| 175 | +}; |
| 176 | + |
| 177 | +export default AIChatPage; |
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