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import {
useCallback,
useEffect,
useMemo,
useRef,
useState,
} from 'react'
import { useTranslation } from 'react-i18next'
import useSWR from 'swr'
import { useLocalStorageState } from 'ahooks'
import produce from 'immer'
import type {
Callback,
ChatConfig,
ChatItem,
Feedback,
} from '../types'
import { CONVERSATION_ID_INFO } from '../constants'
import {
delConversation,
fetchAppInfo,
fetchAppMeta,
fetchAppParams,
fetchChatList,
fetchConversations,
generationConversationName,
pinConversation,
renameConversation,
unpinConversation,
updateFeedback,
} from '@/service/share'
import type { InstalledApp } from '@/models/explore'
import type {
AppData,
ConversationItem,
} from '@/models/share'
import { addFileInfos, sortAgentSorts } from '@/app/components/tools/utils'
import { useToastContext } from '@/app/components/base/toast'
import { changeLanguage } from '@/i18n/i18next-config'
export const useChatWithHistory = (installedAppInfo?: InstalledApp) => {
const isInstalledApp = useMemo(() => !!installedAppInfo, [installedAppInfo])
const { data: appInfo, isLoading: appInfoLoading, error: appInfoError } = useSWR(installedAppInfo ? null : 'appInfo', fetchAppInfo)
const appData = useMemo(() => {
if (isInstalledApp) {
const { id, app } = installedAppInfo!
return {
app_id: id,
site: { title: app.name, icon: app.icon, icon_background: app.icon_background, prompt_public: false, copyright: '' },
plan: 'basic',
} as AppData
}
return appInfo
}, [isInstalledApp, installedAppInfo, appInfo])
const appId = useMemo(() => appData?.app_id, [appData])
useEffect(() => {
if (appData?.site.default_language)
changeLanguage(appData.site.default_language)
}, [appData])
const [conversationIdInfo, setConversationIdInfo] = useLocalStorageState<Record<string, string>>(CONVERSATION_ID_INFO, {
defaultValue: {},
})
const currentConversationId = useMemo(() => conversationIdInfo?.[appId || ''] || '', [appId, conversationIdInfo])
const handleConversationIdInfoChange = useCallback((changeConversationId: string) => {
if (appId) {
setConversationIdInfo({
...conversationIdInfo,
[appId || '']: changeConversationId,
})
}
}, [appId, conversationIdInfo, setConversationIdInfo])
const [showConfigPanelBeforeChat, setShowConfigPanelBeforeChat] = useState(true)
const [newConversationId, setNewConversationId] = useState('')
const chatShouldReloadKey = useMemo(() => {
if (currentConversationId === newConversationId)
return ''
return currentConversationId
}, [currentConversationId, newConversationId])
const { data: appParams } = useSWR(['appParams', isInstalledApp, appId], () => fetchAppParams(isInstalledApp, appId))
const { data: appMeta } = useSWR(['appMeta', isInstalledApp, appId], () => fetchAppMeta(isInstalledApp, appId))
const { data: appPinnedConversationData, mutate: mutateAppPinnedConversationData } = useSWR(['appConversationData', isInstalledApp, appId, true], () => fetchConversations(isInstalledApp, appId, undefined, true, 100))
const { data: appConversationData, isLoading: appConversationDataLoading, mutate: mutateAppConversationData } = useSWR(['appConversationData', isInstalledApp, appId, false], () => fetchConversations(isInstalledApp, appId, undefined, false, 100))
const { data: appChatListData, isLoading: appChatListDataLoading } = useSWR(chatShouldReloadKey ? ['appChatList', chatShouldReloadKey, isInstalledApp, appId] : null, () => fetchChatList(chatShouldReloadKey, isInstalledApp, appId))
const appPrevChatList = useMemo(() => {
const data = appChatListData?.data || []
const chatList: ChatItem[] = []
if (currentConversationId && data.length) {
data.forEach((item: any) => {
chatList.push({
id: `question-${item.id}`,
content: item.query,
isAnswer: false,
message_files: item.message_files?.filter((file: any) => file.belongs_to === 'user') || [],
})
chatList.push({
id: item.id,
content: item.answer,
agent_thoughts: addFileInfos(item.agent_thoughts ? sortAgentSorts(item.agent_thoughts) : item.agent_thoughts, item.message_files),
feedback: item.feedback,
isAnswer: true,
citation: item.retriever_resources,
message_files: item.message_files?.filter((file: any) => file.belongs_to === 'assistant') || [],
})
})
}
return chatList
}, [appChatListData, currentConversationId])
const [showNewConversationItemInList, setShowNewConversationItemInList] = useState(false)
const pinnedConversationList = useMemo(() => {
return appPinnedConversationData?.data || []
}, [appPinnedConversationData])
const { t } = useTranslation()
const newConversationInputsRef = useRef<Record<string, any>>({})
const [newConversationInputs, setNewConversationInputs] = useState<Record<string, any>>({})
const handleNewConversationInputsChange = useCallback((newInputs: Record<string, any>) => {
newConversationInputsRef.current = newInputs
setNewConversationInputs(newInputs)
}, [])
const inputsForms = useMemo(() => {
return (appParams?.user_input_form || []).filter((item: any) => item.paragraph || item.select || item['text-input'] || item.number).map((item: any) => {
if (item.paragraph) {
return {
...item.paragraph,
type: 'paragraph',
}
}
if (item.number) {
return {
...item.number,
type: 'number',
}
}
if (item.select) {
return {
...item.select,
type: 'select',
}
}
return {
...item['text-input'],
type: 'text-input',
}
})
}, [appParams])
useEffect(() => {
const conversationInputs: Record<string, any> = {}
inputsForms.forEach((item: any) => {
conversationInputs[item.variable] = item.default || ''
})
handleNewConversationInputsChange(conversationInputs)
}, [handleNewConversationInputsChange, inputsForms])
const { data: newConversation } = useSWR(newConversationId ? [isInstalledApp, appId, newConversationId] : null, () => generationConversationName(isInstalledApp, appId, newConversationId), { revalidateOnFocus: false })
const [originConversationList, setOriginConversationList] = useState<ConversationItem[]>([])
useEffect(() => {
if (appConversationData?.data && !appConversationDataLoading)
setOriginConversationList(appConversationData?.data)
}, [appConversationData, appConversationDataLoading])
const conversationList = useMemo(() => {
const data = originConversationList.slice()
if (showNewConversationItemInList && data[0]?.id !== '') {
data.unshift({
id: '',
name: t('share.chat.newChatDefaultName'),
inputs: {},
introduction: '',
})
}
return data
}, [originConversationList, showNewConversationItemInList, t])
useEffect(() => {
if (newConversation) {
setOriginConversationList(produce((draft) => {
const index = draft.findIndex(item => item.id === newConversation.id)
if (index > -1)
draft[index] = newConversation
else
draft.unshift(newConversation)
}))
}
}, [newConversation])
const currentConversationItem = useMemo(() => {
let coversationItem = conversationList.find(item => item.id === currentConversationId)
if (!coversationItem && pinnedConversationList.length)
coversationItem = pinnedConversationList.find(item => item.id === currentConversationId)
return coversationItem
}, [conversationList, currentConversationId, pinnedConversationList])
const { notify } = useToastContext()
const checkInputsRequired = useCallback((silent?: boolean) => {
if (inputsForms.length) {
for (let i = 0; i < inputsForms.length; i += 1) {
const item = inputsForms[i]
if (item.required && !newConversationInputsRef.current[item.variable]) {
if (!silent) {
notify({
type: 'error',
message: t('appDebug.errorMessage.valueOfVarRequired', { key: item.variable }),
})
}
return
}
}
return true
}
return true
}, [inputsForms, notify, t])
const handleStartChat = useCallback(() => {
if (checkInputsRequired()) {
setShowConfigPanelBeforeChat(false)
setShowNewConversationItemInList(true)
}
}, [setShowConfigPanelBeforeChat, setShowNewConversationItemInList, checkInputsRequired])
const currentChatInstanceRef = useRef<{ handleStop: () => void }>({ handleStop: () => { } })
const handleChangeConversation = useCallback((conversationId: string) => {
currentChatInstanceRef.current.handleStop()
setNewConversationId('')
handleConversationIdInfoChange(conversationId)
if (conversationId === '' && !checkInputsRequired(true))
setShowConfigPanelBeforeChat(true)
else
setShowConfigPanelBeforeChat(false)
}, [handleConversationIdInfoChange, setShowConfigPanelBeforeChat, checkInputsRequired])
const handleNewConversation = useCallback(() => {
currentChatInstanceRef.current.handleStop()
setNewConversationId('')
if (showNewConversationItemInList) {
handleChangeConversation('')
}
else if (currentConversationId) {
handleConversationIdInfoChange('')
setShowConfigPanelBeforeChat(true)
setShowNewConversationItemInList(true)
handleNewConversationInputsChange({})
}
}, [handleChangeConversation, currentConversationId, handleConversationIdInfoChange, setShowConfigPanelBeforeChat, setShowNewConversationItemInList, showNewConversationItemInList, handleNewConversationInputsChange])
const handleUpdateConversationList = useCallback(() => {
mutateAppConversationData()
mutateAppPinnedConversationData()
}, [mutateAppConversationData, mutateAppPinnedConversationData])
const handlePinConversation = useCallback(async (conversationId: string) => {
await pinConversation(isInstalledApp, appId, conversationId)
notify({ type: 'success', message: t('common.api.success') })
handleUpdateConversationList()
}, [isInstalledApp, appId, notify, t, handleUpdateConversationList])
const handleUnpinConversation = useCallback(async (conversationId: string) => {
await unpinConversation(isInstalledApp, appId, conversationId)
notify({ type: 'success', message: t('common.api.success') })
handleUpdateConversationList()
}, [isInstalledApp, appId, notify, t, handleUpdateConversationList])
const [conversationDeleting, setConversationDeleting] = useState(false)
const handleDeleteConversation = useCallback(async (
conversationId: string,
{
onSuccess,
}: Callback,
) => {
if (conversationDeleting)
return
try {
setConversationDeleting(true)
await delConversation(isInstalledApp, appId, conversationId)
notify({ type: 'success', message: t('common.api.success') })
onSuccess()
}
finally {
setConversationDeleting(false)
}
if (conversationId === currentConversationId)
handleNewConversation()
handleUpdateConversationList()
}, [isInstalledApp, appId, notify, t, handleUpdateConversationList, handleNewConversation, currentConversationId, conversationDeleting])
const [conversationRenaming, setConversationRenaming] = useState(false)
const handleRenameConversation = useCallback(async (
conversationId: string,
newName: string,
{
onSuccess,
}: Callback,
) => {
if (conversationRenaming)
return
if (!newName.trim()) {
notify({
type: 'error',
message: t('common.chat.conversationNameCanNotEmpty'),
})
return
}
setConversationRenaming(true)
try {
await renameConversation(isInstalledApp, appId, conversationId, newName)
notify({
type: 'success',
message: t('common.actionMsg.modifiedSuccessfully'),
})
setOriginConversationList(produce((draft) => {
const index = originConversationList.findIndex(item => item.id === conversationId)
const item = draft[index]
draft[index] = {
...item,
name: newName,
}
}))
onSuccess()
}
finally {
setConversationRenaming(false)
}
}, [isInstalledApp, appId, notify, t, conversationRenaming, originConversationList])
const handleNewConversationCompleted = useCallback((newConversationId: string) => {
setNewConversationId(newConversationId)
handleConversationIdInfoChange(newConversationId)
setShowNewConversationItemInList(false)
mutateAppConversationData()
}, [mutateAppConversationData, handleConversationIdInfoChange])
const handleFeedback = useCallback(async (messageId: string, feedback: Feedback) => {
await updateFeedback({ url: `/messages/${messageId}/feedbacks`, body: { rating: feedback.rating } }, isInstalledApp, appId)
notify({ type: 'success', message: t('common.api.success') })
}, [isInstalledApp, appId, t, notify])
return {
appInfoError,
appInfoLoading,
isInstalledApp,
appId,
currentConversationId,
currentConversationItem,
handleConversationIdInfoChange,
appData,
appParams: appParams || {} as ChatConfig,
appMeta,
appPinnedConversationData,
appConversationData,
appConversationDataLoading,
appChatListData,
appChatListDataLoading,
appPrevChatList,
pinnedConversationList,
conversationList,
showConfigPanelBeforeChat,
setShowConfigPanelBeforeChat,
setShowNewConversationItemInList,
newConversationInputs,
handleNewConversationInputsChange,
inputsForms,
handleNewConversation,
handleStartChat,
handleChangeConversation,
handlePinConversation,
handleUnpinConversation,
conversationDeleting,
handleDeleteConversation,
conversationRenaming,
handleRenameConversation,
handleNewConversationCompleted,
newConversationId,
chatShouldReloadKey,
handleFeedback,
currentChatInstanceRef,
}
}