711 lines
24 KiB
TypeScript
711 lines
24 KiB
TypeScript
import {
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useCallback,
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useEffect,
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useMemo,
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useRef,
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useState,
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} from 'react'
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import { useTranslation } from 'react-i18next'
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import { produce, setAutoFreeze } from 'immer'
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import { uniqBy } from 'lodash-es'
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import { useParams, usePathname } from 'next/navigation'
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import { v4 as uuidV4 } from 'uuid'
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import type {
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ChatConfig,
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ChatItem,
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ChatItemInTree,
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Inputs,
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} from '../types'
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import { getThreadMessages } from '../utils'
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import type { InputForm } from './type'
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import {
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getProcessedInputs,
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processOpeningStatement,
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} from './utils'
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import { TransferMethod } from '@/types/app'
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import { useToastContext } from '@/app/components/base/toast'
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import { ssePost } from '@/service/base'
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import type { Annotation } from '@/models/log'
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import { WorkflowRunningStatus } from '@/app/components/workflow/types'
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import useTimestamp from '@/hooks/use-timestamp'
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import { AudioPlayerManager } from '@/app/components/base/audio-btn/audio.player.manager'
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import type { FileEntity } from '@/app/components/base/file-uploader/types'
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import {
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getProcessedFiles,
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getProcessedFilesFromResponse,
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} from '@/app/components/base/file-uploader/utils'
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import { noop } from 'lodash-es'
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type GetAbortController = (abortController: AbortController) => void
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type SendCallback = {
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onGetConversationMessages?: (conversationId: string, getAbortController: GetAbortController) => Promise<any>
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onGetSuggestedQuestions?: (responseItemId: string, getAbortController: GetAbortController) => Promise<any>
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onConversationComplete?: (conversationId: string) => void
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isPublicAPI?: boolean
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}
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export const useChat = (
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config?: ChatConfig,
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formSettings?: {
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inputs: Inputs
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inputsForm: InputForm[]
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},
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prevChatTree?: ChatItemInTree[],
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stopChat?: (taskId: string) => void,
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clearChatList?: boolean,
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clearChatListCallback?: (state: boolean) => void,
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) => {
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const { t } = useTranslation()
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const { formatTime } = useTimestamp()
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const { notify } = useToastContext()
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const conversationId = useRef('')
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const hasStopResponded = useRef(false)
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const [isResponding, setIsResponding] = useState(false)
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const isRespondingRef = useRef(false)
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const taskIdRef = useRef('')
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const [suggestedQuestions, setSuggestQuestions] = useState<string[]>([])
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const conversationMessagesAbortControllerRef = useRef<AbortController | null>(null)
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const suggestedQuestionsAbortControllerRef = useRef<AbortController | null>(null)
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const params = useParams()
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const pathname = usePathname()
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const [chatTree, setChatTree] = useState<ChatItemInTree[]>(prevChatTree || [])
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const chatTreeRef = useRef<ChatItemInTree[]>(chatTree)
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const [targetMessageId, setTargetMessageId] = useState<string>()
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const threadMessages = useMemo(() => getThreadMessages(chatTree, targetMessageId), [chatTree, targetMessageId])
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const getIntroduction = useCallback((str: string) => {
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return processOpeningStatement(str, formSettings?.inputs || {}, formSettings?.inputsForm || [])
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}, [formSettings?.inputs, formSettings?.inputsForm])
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/** Final chat list that will be rendered */
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const chatList = useMemo(() => {
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const ret = [...threadMessages]
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if (config?.opening_statement) {
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const index = threadMessages.findIndex(item => item.isOpeningStatement)
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if (index > -1) {
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ret[index] = {
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...ret[index],
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content: getIntroduction(config.opening_statement),
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suggestedQuestions: config.suggested_questions?.map(item => getIntroduction(item)),
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}
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}
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else {
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ret.unshift({
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id: 'opening-statement',
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content: getIntroduction(config.opening_statement),
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isAnswer: true,
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isOpeningStatement: true,
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suggestedQuestions: config.suggested_questions?.map(item => getIntroduction(item)),
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})
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}
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}
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return ret
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}, [threadMessages, config?.opening_statement, getIntroduction, config?.suggested_questions])
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useEffect(() => {
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setAutoFreeze(false)
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return () => {
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setAutoFreeze(true)
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}
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}, [])
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/** Find the target node by bfs and then operate on it */
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const produceChatTreeNode = useCallback((targetId: string, operation: (node: ChatItemInTree) => void) => {
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return produce(chatTreeRef.current, (draft) => {
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const queue: ChatItemInTree[] = [...draft]
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while (queue.length > 0) {
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const current = queue.shift()!
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if (current.id === targetId) {
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operation(current)
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break
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}
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if (current.children)
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queue.push(...current.children)
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}
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})
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}, [])
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type UpdateChatTreeNode = {
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(id: string, fields: Partial<ChatItemInTree>): void
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(id: string, update: (node: ChatItemInTree) => void): void
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}
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const updateChatTreeNode: UpdateChatTreeNode = useCallback((
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id: string,
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fieldsOrUpdate: Partial<ChatItemInTree> | ((node: ChatItemInTree) => void),
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) => {
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const nextState = produceChatTreeNode(id, (node) => {
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if (typeof fieldsOrUpdate === 'function') {
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fieldsOrUpdate(node)
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}
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else {
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Object.keys(fieldsOrUpdate).forEach((key) => {
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(node as any)[key] = (fieldsOrUpdate as any)[key]
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})
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}
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})
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setChatTree(nextState)
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chatTreeRef.current = nextState
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}, [produceChatTreeNode])
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const handleResponding = useCallback((isResponding: boolean) => {
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setIsResponding(isResponding)
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isRespondingRef.current = isResponding
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}, [])
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const handleStop = useCallback(() => {
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hasStopResponded.current = true
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handleResponding(false)
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if (stopChat && taskIdRef.current)
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stopChat(taskIdRef.current)
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if (conversationMessagesAbortControllerRef.current)
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conversationMessagesAbortControllerRef.current.abort()
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if (suggestedQuestionsAbortControllerRef.current)
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suggestedQuestionsAbortControllerRef.current.abort()
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}, [stopChat, handleResponding])
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const handleRestart = useCallback((cb?: any) => {
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conversationId.current = ''
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taskIdRef.current = ''
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handleStop()
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setChatTree([])
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setSuggestQuestions([])
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cb?.()
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}, [handleStop])
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const updateCurrentQAOnTree = useCallback(({
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parentId,
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responseItem,
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placeholderQuestionId,
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questionItem,
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}: {
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parentId?: string
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responseItem: ChatItem
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placeholderQuestionId: string
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questionItem: ChatItem
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}) => {
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let nextState: ChatItemInTree[]
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const currentQA = { ...questionItem, children: [{ ...responseItem, children: [] }] }
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if (!parentId && !chatTree.some(item => [placeholderQuestionId, questionItem.id].includes(item.id))) {
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// QA whose parent is not provided is considered as a first message of the conversation,
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// and it should be a root node of the chat tree
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nextState = produce(chatTree, (draft) => {
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draft.push(currentQA)
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})
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}
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else {
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// find the target QA in the tree and update it; if not found, insert it to its parent node
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nextState = produceChatTreeNode(parentId!, (parentNode) => {
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const questionNodeIndex = parentNode.children!.findIndex(item => [placeholderQuestionId, questionItem.id].includes(item.id))
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if (questionNodeIndex === -1)
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parentNode.children!.push(currentQA)
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else
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parentNode.children![questionNodeIndex] = currentQA
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})
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}
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setChatTree(nextState)
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chatTreeRef.current = nextState
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}, [chatTree, produceChatTreeNode])
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const handleSend = useCallback(async (
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url: string,
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data: {
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query: string
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files?: FileEntity[]
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parent_message_id?: string
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[key: string]: any
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},
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{
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onGetConversationMessages,
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onGetSuggestedQuestions,
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onConversationComplete,
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isPublicAPI,
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}: SendCallback,
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) => {
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setSuggestQuestions([])
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if (isRespondingRef.current) {
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notify({ type: 'info', message: t('appDebug.errorMessage.waitForResponse') })
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return false
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}
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const parentMessage = threadMessages.find(item => item.id === data.parent_message_id)
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const placeholderQuestionId = `question-${Date.now()}`
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const questionItem = {
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id: placeholderQuestionId,
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content: data.query,
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isAnswer: false,
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message_files: data.files,
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parentMessageId: data.parent_message_id,
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}
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const placeholderAnswerId = `answer-placeholder-${Date.now()}`
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const placeholderAnswerItem = {
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id: placeholderAnswerId,
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content: '',
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isAnswer: true,
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parentMessageId: questionItem.id,
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siblingIndex: parentMessage?.children?.length ?? chatTree.length,
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}
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setTargetMessageId(parentMessage?.id)
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updateCurrentQAOnTree({
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parentId: data.parent_message_id,
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responseItem: placeholderAnswerItem,
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placeholderQuestionId,
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questionItem,
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})
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// answer
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const responseItem: ChatItemInTree = {
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id: placeholderAnswerId,
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content: '',
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agent_thoughts: [],
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message_files: [],
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isAnswer: true,
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parentMessageId: questionItem.id,
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siblingIndex: parentMessage?.children?.length ?? chatTree.length,
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}
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handleResponding(true)
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hasStopResponded.current = false
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const { query, files, inputs, ...restData } = data
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const bodyParams = {
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response_mode: 'streaming',
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conversation_id: conversationId.current,
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files: getProcessedFiles(files || []),
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query,
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inputs: getProcessedInputs(inputs || {}, formSettings?.inputsForm || []),
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...restData,
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}
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if (bodyParams?.files?.length) {
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bodyParams.files = bodyParams.files.map((item) => {
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if (item.transfer_method === TransferMethod.local_file) {
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return {
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...item,
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url: '',
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}
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}
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return item
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})
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}
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let isAgentMode = false
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let hasSetResponseId = false
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let ttsUrl = ''
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let ttsIsPublic = false
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if (params.token) {
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ttsUrl = '/text-to-audio'
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ttsIsPublic = true
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}
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else if (params.appId) {
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if (pathname.search('explore/installed') > -1)
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ttsUrl = `/installed-apps/${params.appId}/text-to-audio`
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else
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ttsUrl = `/apps/${params.appId}/text-to-audio`
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}
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const player = AudioPlayerManager.getInstance().getAudioPlayer(ttsUrl, ttsIsPublic, uuidV4(), 'none', 'none', noop)
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ssePost(
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url,
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{
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body: bodyParams,
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},
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{
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isPublicAPI,
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onData: (message: string, isFirstMessage: boolean, { conversationId: newConversationId, messageId, taskId }: any) => {
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if (!isAgentMode) {
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responseItem.content = responseItem.content + message
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}
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else {
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const lastThought = responseItem.agent_thoughts?.[responseItem.agent_thoughts?.length - 1]
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if (lastThought)
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lastThought.thought = lastThought.thought + message // need immer setAutoFreeze
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}
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if (messageId && !hasSetResponseId) {
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questionItem.id = `question-${messageId}`
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responseItem.id = messageId
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responseItem.parentMessageId = questionItem.id
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hasSetResponseId = true
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}
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if (isFirstMessage && newConversationId)
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conversationId.current = newConversationId
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taskIdRef.current = taskId
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if (messageId)
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responseItem.id = messageId
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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async onCompleted(hasError?: boolean) {
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handleResponding(false)
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if (hasError)
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return
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if (onConversationComplete)
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onConversationComplete(conversationId.current)
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if (conversationId.current && !hasStopResponded.current && onGetConversationMessages) {
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const { data }: any = await onGetConversationMessages(
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conversationId.current,
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newAbortController => conversationMessagesAbortControllerRef.current = newAbortController,
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)
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const newResponseItem = data.find((item: any) => item.id === responseItem.id)
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if (!newResponseItem)
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return
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const isUseAgentThought = newResponseItem.agent_thoughts?.length > 0 && newResponseItem.agent_thoughts[newResponseItem.agent_thoughts?.length - 1].thought === newResponseItem.answer
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updateChatTreeNode(responseItem.id, {
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content: isUseAgentThought ? '' : newResponseItem.answer,
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log: [
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...newResponseItem.message,
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...(newResponseItem.message[newResponseItem.message.length - 1].role !== 'assistant'
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? [
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{
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role: 'assistant',
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text: newResponseItem.answer,
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files: newResponseItem.message_files?.filter((file: any) => file.belongs_to === 'assistant') || [],
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},
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]
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: []),
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],
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more: {
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time: formatTime(newResponseItem.created_at, 'hh:mm A'),
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tokens: newResponseItem.answer_tokens + newResponseItem.message_tokens,
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latency: newResponseItem.provider_response_latency.toFixed(2),
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},
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// for agent log
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conversationId: conversationId.current,
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input: {
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inputs: newResponseItem.inputs,
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query: newResponseItem.query,
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},
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})
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}
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if (config?.suggested_questions_after_answer?.enabled && !hasStopResponded.current && onGetSuggestedQuestions) {
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try {
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const { data }: any = await onGetSuggestedQuestions(
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responseItem.id,
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newAbortController => suggestedQuestionsAbortControllerRef.current = newAbortController,
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)
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setSuggestQuestions(data)
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}
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// eslint-disable-next-line unused-imports/no-unused-vars
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catch (e) {
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setSuggestQuestions([])
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}
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}
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},
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onFile(file) {
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const lastThought = responseItem.agent_thoughts?.[responseItem.agent_thoughts?.length - 1]
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if (lastThought)
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responseItem.agent_thoughts![responseItem.agent_thoughts!.length - 1].message_files = [...(lastThought as any).message_files, file]
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onThought(thought) {
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isAgentMode = true
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const response = responseItem as any
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if (thought.message_id && !hasSetResponseId)
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response.id = thought.message_id
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if (thought.conversation_id)
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response.conversationId = thought.conversation_id
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if (response.agent_thoughts.length === 0) {
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response.agent_thoughts.push(thought)
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}
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else {
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const lastThought = response.agent_thoughts[response.agent_thoughts.length - 1]
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// thought changed but still the same thought, so update.
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if (lastThought.id === thought.id) {
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thought.thought = lastThought.thought
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thought.message_files = lastThought.message_files
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responseItem.agent_thoughts![response.agent_thoughts.length - 1] = thought
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}
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else {
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responseItem.agent_thoughts!.push(thought)
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}
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}
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onMessageEnd: (messageEnd) => {
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if (messageEnd.metadata?.annotation_reply) {
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responseItem.id = messageEnd.id
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responseItem.annotation = ({
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id: messageEnd.metadata.annotation_reply.id,
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authorName: messageEnd.metadata.annotation_reply.account.name,
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})
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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return
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}
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responseItem.citation = messageEnd.metadata?.retriever_resources || []
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const processedFilesFromResponse = getProcessedFilesFromResponse(messageEnd.files || [])
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responseItem.allFiles = uniqBy([...(responseItem.allFiles || []), ...(processedFilesFromResponse || [])], 'id')
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onMessageReplace: (messageReplace) => {
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responseItem.content = messageReplace.answer
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},
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onError() {
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handleResponding(false)
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onWorkflowStarted: ({ workflow_run_id, task_id }) => {
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taskIdRef.current = task_id
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responseItem.workflow_run_id = workflow_run_id
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responseItem.workflowProcess = {
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status: WorkflowRunningStatus.Running,
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tracing: [],
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}
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onWorkflowFinished: ({ data: workflowFinishedData }) => {
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responseItem.workflowProcess!.status = workflowFinishedData.status as WorkflowRunningStatus
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onIterationStart: ({ data: iterationStartedData }) => {
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responseItem.workflowProcess!.tracing!.push({
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...iterationStartedData,
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status: WorkflowRunningStatus.Running,
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})
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updateCurrentQAOnTree({
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placeholderQuestionId,
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questionItem,
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responseItem,
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parentId: data.parent_message_id,
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})
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},
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onIterationFinish: ({ data: iterationFinishedData }) => {
|
|
const tracing = responseItem.workflowProcess!.tracing!
|
|
const iterationIndex = tracing.findIndex(item => item.node_id === iterationFinishedData.node_id
|
|
&& (item.execution_metadata?.parallel_id === iterationFinishedData.execution_metadata?.parallel_id || item.parallel_id === iterationFinishedData.execution_metadata?.parallel_id))!
|
|
tracing[iterationIndex] = {
|
|
...tracing[iterationIndex],
|
|
...iterationFinishedData,
|
|
status: WorkflowRunningStatus.Succeeded,
|
|
}
|
|
|
|
updateCurrentQAOnTree({
|
|
placeholderQuestionId,
|
|
questionItem,
|
|
responseItem,
|
|
parentId: data.parent_message_id,
|
|
})
|
|
},
|
|
onNodeStarted: ({ data: nodeStartedData }) => {
|
|
if (nodeStartedData.iteration_id)
|
|
return
|
|
|
|
if (data.loop_id)
|
|
return
|
|
|
|
responseItem.workflowProcess!.tracing!.push({
|
|
...nodeStartedData,
|
|
status: WorkflowRunningStatus.Running,
|
|
})
|
|
updateCurrentQAOnTree({
|
|
placeholderQuestionId,
|
|
questionItem,
|
|
responseItem,
|
|
parentId: data.parent_message_id,
|
|
})
|
|
},
|
|
onNodeFinished: ({ data: nodeFinishedData }) => {
|
|
if (nodeFinishedData.iteration_id)
|
|
return
|
|
|
|
if (data.loop_id)
|
|
return
|
|
|
|
const currentIndex = responseItem.workflowProcess!.tracing!.findIndex((item) => {
|
|
if (!item.execution_metadata?.parallel_id)
|
|
return item.node_id === nodeFinishedData.node_id
|
|
|
|
return item.node_id === nodeFinishedData.node_id && (item.execution_metadata?.parallel_id === nodeFinishedData.execution_metadata?.parallel_id)
|
|
})
|
|
responseItem.workflowProcess!.tracing[currentIndex] = nodeFinishedData as any
|
|
|
|
updateCurrentQAOnTree({
|
|
placeholderQuestionId,
|
|
questionItem,
|
|
responseItem,
|
|
parentId: data.parent_message_id,
|
|
})
|
|
},
|
|
onTTSChunk: (messageId: string, audio: string) => {
|
|
if (!audio || audio === '')
|
|
return
|
|
player.playAudioWithAudio(audio, true)
|
|
AudioPlayerManager.getInstance().resetMsgId(messageId)
|
|
},
|
|
onTTSEnd: (messageId: string, audio: string) => {
|
|
player.playAudioWithAudio(audio, false)
|
|
},
|
|
onLoopStart: ({ data: loopStartedData }) => {
|
|
responseItem.workflowProcess!.tracing!.push({
|
|
...loopStartedData,
|
|
status: WorkflowRunningStatus.Running,
|
|
})
|
|
updateCurrentQAOnTree({
|
|
placeholderQuestionId,
|
|
questionItem,
|
|
responseItem,
|
|
parentId: data.parent_message_id,
|
|
})
|
|
},
|
|
onLoopFinish: ({ data: loopFinishedData }) => {
|
|
const tracing = responseItem.workflowProcess!.tracing!
|
|
const loopIndex = tracing.findIndex(item => item.node_id === loopFinishedData.node_id
|
|
&& (item.execution_metadata?.parallel_id === loopFinishedData.execution_metadata?.parallel_id || item.parallel_id === loopFinishedData.execution_metadata?.parallel_id))!
|
|
tracing[loopIndex] = {
|
|
...tracing[loopIndex],
|
|
...loopFinishedData,
|
|
status: WorkflowRunningStatus.Succeeded,
|
|
}
|
|
|
|
updateCurrentQAOnTree({
|
|
placeholderQuestionId,
|
|
questionItem,
|
|
responseItem,
|
|
parentId: data.parent_message_id,
|
|
})
|
|
},
|
|
})
|
|
return true
|
|
}, [
|
|
t,
|
|
chatTree.length,
|
|
threadMessages,
|
|
config?.suggested_questions_after_answer,
|
|
updateCurrentQAOnTree,
|
|
updateChatTreeNode,
|
|
notify,
|
|
handleResponding,
|
|
formatTime,
|
|
params.token,
|
|
params.appId,
|
|
pathname,
|
|
formSettings,
|
|
])
|
|
|
|
const handleAnnotationEdited = useCallback((query: string, answer: string, index: number) => {
|
|
const targetQuestionId = chatList[index - 1].id
|
|
const targetAnswerId = chatList[index].id
|
|
|
|
updateChatTreeNode(targetQuestionId, {
|
|
content: query,
|
|
})
|
|
updateChatTreeNode(targetAnswerId, {
|
|
content: answer,
|
|
annotation: {
|
|
...chatList[index].annotation,
|
|
logAnnotation: undefined,
|
|
} as any,
|
|
})
|
|
}, [chatList, updateChatTreeNode])
|
|
|
|
const handleAnnotationAdded = useCallback((annotationId: string, authorName: string, query: string, answer: string, index: number) => {
|
|
const targetQuestionId = chatList[index - 1].id
|
|
const targetAnswerId = chatList[index].id
|
|
|
|
updateChatTreeNode(targetQuestionId, {
|
|
content: query,
|
|
})
|
|
|
|
updateChatTreeNode(targetAnswerId, {
|
|
content: chatList[index].content,
|
|
annotation: {
|
|
id: annotationId,
|
|
authorName,
|
|
logAnnotation: {
|
|
content: answer,
|
|
account: {
|
|
id: '',
|
|
name: authorName,
|
|
email: '',
|
|
},
|
|
},
|
|
} as Annotation,
|
|
})
|
|
}, [chatList, updateChatTreeNode])
|
|
|
|
const handleAnnotationRemoved = useCallback((index: number) => {
|
|
const targetAnswerId = chatList[index].id
|
|
|
|
updateChatTreeNode(targetAnswerId, {
|
|
content: chatList[index].content,
|
|
annotation: {
|
|
...(chatList[index].annotation || {}),
|
|
id: '',
|
|
} as Annotation,
|
|
})
|
|
}, [chatList, updateChatTreeNode])
|
|
|
|
useEffect(() => {
|
|
if (clearChatList)
|
|
handleRestart(() => clearChatListCallback?.(false))
|
|
}, [clearChatList, clearChatListCallback, handleRestart])
|
|
|
|
return {
|
|
chatList,
|
|
setTargetMessageId,
|
|
conversationId: conversationId.current,
|
|
isResponding,
|
|
setIsResponding,
|
|
handleSend,
|
|
suggestedQuestions,
|
|
handleRestart,
|
|
handleStop,
|
|
handleAnnotationEdited,
|
|
handleAnnotationAdded,
|
|
handleAnnotationRemoved,
|
|
}
|
|
}
|