import { memo, useMemo, useRef, useState } from 'react'
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import type { FC } from 'react'
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import { useTranslation } from 'react-i18next'
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import { useContext } from 'use-context-selector'
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import { useParams } from 'next/navigation'
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import { RiCloseLine, RiExpandDiagonalLine } from '@remixicon/react'
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import { useShallow } from 'zustand/react/shallow'
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import { useDocumentContext } from '../index'
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import { SegmentIndexTag } from './common/segment-index-tag'
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import ActionButtons from './common/action-buttons'
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import ChunkContent from './common/chunk-content'
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import AddAnother from './common/add-another'
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import Dot from './common/dot'
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import { useSegmentListContext } from './index'
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import { useStore as useAppStore } from '@/app/components/app/store'
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import { ToastContext } from '@/app/components/base/toast'
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import { type ChildChunkDetail, ChunkingMode, type SegmentUpdater } from '@/models/datasets'
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import classNames from '@/utils/classnames'
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import { formatNumber } from '@/utils/format'
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import Divider from '@/app/components/base/divider'
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import { useAddChildSegment } from '@/service/knowledge/use-segment'
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type NewChildSegmentModalProps = {
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chunkId: string
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onCancel: () => void
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onSave: (ChildChunk?: ChildChunkDetail) => void
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viewNewlyAddedChildChunk?: () => void
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}
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const NewChildSegmentModal: FC<NewChildSegmentModalProps> = ({
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chunkId,
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onCancel,
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onSave,
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viewNewlyAddedChildChunk,
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}) => {
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const { t } = useTranslation()
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const { notify } = useContext(ToastContext)
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const [content, setContent] = useState('')
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const { datasetId, documentId } = useParams<{ datasetId: string; documentId: string }>()
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const [loading, setLoading] = useState(false)
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const [addAnother, setAddAnother] = useState(true)
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const fullScreen = useSegmentListContext(s => s.fullScreen)
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const toggleFullScreen = useSegmentListContext(s => s.toggleFullScreen)
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const { appSidebarExpand } = useAppStore(useShallow(state => ({
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appSidebarExpand: state.appSidebarExpand,
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})))
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const parentMode = useDocumentContext(s => s.parentMode)
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const refreshTimer = useRef<any>(null)
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const isFullDocMode = useMemo(() => {
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return parentMode === 'full-doc'
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}, [parentMode])
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const CustomButton = <>
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<Divider type='vertical' className='h-3 mx-1 bg-divider-regular' />
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<button
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type='button'
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className='text-text-accent system-xs-semibold'
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onClick={() => {
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clearTimeout(refreshTimer.current)
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viewNewlyAddedChildChunk?.()
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}}>
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{t('common.operation.view')}
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</button>
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</>
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const handleCancel = (actionType: 'esc' | 'add' = 'esc') => {
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if (actionType === 'esc' || !addAnother)
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onCancel()
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setContent('')
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}
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const { mutateAsync: addChildSegment } = useAddChildSegment()
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const handleSave = async () => {
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const params: SegmentUpdater = { content: '' }
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if (!content.trim())
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return notify({ type: 'error', message: t('datasetDocuments.segment.contentEmpty') })
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params.content = content
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setLoading(true)
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await addChildSegment({ datasetId, documentId, segmentId: chunkId, body: params }, {
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onSuccess(res) {
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notify({
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type: 'success',
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message: t('datasetDocuments.segment.childChunkAdded'),
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className: `!w-[296px] !bottom-0 ${appSidebarExpand === 'expand' ? '!left-[216px]' : '!left-14'}
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!top-auto !right-auto !mb-[52px] !ml-11`,
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customComponent: isFullDocMode && CustomButton,
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})
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handleCancel('add')
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if (isFullDocMode) {
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refreshTimer.current = setTimeout(() => {
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onSave()
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}, 3000)
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}
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else {
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onSave(res.data)
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}
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},
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onSettled() {
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setLoading(false)
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},
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})
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}
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const wordCountText = useMemo(() => {
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const count = content.length
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return `${formatNumber(count)} ${t('datasetDocuments.segment.characters', { count })}`
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [content.length])
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return (
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<div className={'flex flex-col h-full'}>
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<div className={classNames('flex items-center justify-between', fullScreen ? 'py-3 pr-4 pl-6 border border-divider-subtle' : 'pt-3 pr-3 pl-4')}>
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<div className='flex flex-col'>
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<div className='text-text-primary system-xl-semibold'>{t('datasetDocuments.segment.addChildChunk')}</div>
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<div className='flex items-center gap-x-2'>
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<SegmentIndexTag label={t('datasetDocuments.segment.newChildChunk') as string} />
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<Dot />
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<span className='text-text-tertiary system-xs-medium'>{wordCountText}</span>
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</div>
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</div>
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<div className='flex items-center'>
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{fullScreen && (
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<>
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<AddAnother className='mr-3' isChecked={addAnother} onCheck={() => setAddAnother(!addAnother)} />
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<ActionButtons
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handleCancel={handleCancel.bind(null, 'esc')}
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handleSave={handleSave}
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loading={loading}
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actionType='add'
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isChildChunk={true}
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/>
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<Divider type='vertical' className='h-3.5 bg-divider-regular ml-4 mr-2' />
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</>
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)}
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<div className='w-8 h-8 flex justify-center items-center p-1.5 cursor-pointer mr-1' onClick={toggleFullScreen}>
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<RiExpandDiagonalLine className='w-4 h-4 text-text-tertiary' />
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</div>
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<div className='w-8 h-8 flex justify-center items-center p-1.5 cursor-pointer' onClick={handleCancel.bind(null, 'esc')}>
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<RiCloseLine className='w-4 h-4 text-text-tertiary' />
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</div>
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</div>
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</div>
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<div className={classNames('flex grow w-full', fullScreen ? 'flex-row justify-center px-6 pt-6' : 'py-3 px-4')}>
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<div className={classNames('break-all overflow-hidden whitespace-pre-line h-full', fullScreen ? 'w-1/2' : 'w-full')}>
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<ChunkContent
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docForm={ChunkingMode.parentChild}
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question={content}
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onQuestionChange={content => setContent(content)}
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isEditMode={true}
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/>
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</div>
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</div>
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{!fullScreen && (
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<div className='flex items-center justify-between p-4 pt-3 border-t-[1px] border-t-divider-subtle'>
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<AddAnother isChecked={addAnother} onCheck={() => setAddAnother(!addAnother)} />
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<ActionButtons
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handleCancel={handleCancel.bind(null, 'esc')}
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handleSave={handleSave}
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loading={loading}
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actionType='add'
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isChildChunk={true}
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/>
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</div>
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)}
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</div>
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)
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}
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export default memo(NewChildSegmentModal)
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