Files
dify/web/app/components/app/chat/citation/index.tsx
2023-09-09 19:17:12 +08:00

124 lines
3.5 KiB
TypeScript

import { useEffect, useMemo, useRef, useState } from 'react'
import type { FC } from 'react'
import { useTranslation } from 'react-i18next'
import type { CitationItem } from '../type'
import Popup from './popup'
import { ChevronDown } from '@/app/components/base/icons/src/vender/line/arrows'
export type Resources = {
documentId: string
documentName: string
dataSourceType: string
sources: CitationItem[]
}
type CitationProps = {
data: CitationItem[]
showHitInfo?: boolean
}
const Citation: FC<CitationProps> = ({
data,
showHitInfo,
}) => {
const { t } = useTranslation()
const elesRef = useRef<HTMLDivElement[]>([])
const [limitNumberInOneLine, setlimitNumberInOneLine] = useState(0)
const [showMore, setShowMore] = useState(false)
const resources = useMemo(() => data.reduce((prev: Resources[], next) => {
const documentId = next.document_id
const documentName = next.document_name
const dataSourceType = next.data_source_type
const documentIndex = prev.findIndex(i => i.documentId === documentId)
if (documentIndex > -1) {
prev[documentIndex].sources.push(next)
}
else {
prev.push({
documentId,
documentName,
dataSourceType,
sources: [next],
})
}
return prev
}, []), [data])
const handleAdjustResourcesLayout = () => {
const containerWidth = document.querySelector('.chat-answer-container')!.clientWidth - 40
let totalWidth = 0
for (let i = 0; i < resources.length; i++) {
totalWidth += elesRef.current[i].clientWidth
if (totalWidth + i * 4 > containerWidth!) {
totalWidth -= elesRef.current[i].clientWidth
if (totalWidth + 34 > containerWidth!)
setlimitNumberInOneLine(i - 1)
else
setlimitNumberInOneLine(i)
break
}
else {
setlimitNumberInOneLine(i + 1)
}
}
}
useEffect(() => {
handleAdjustResourcesLayout()
}, [])
const resourcesLength = resources.length
return (
<div className='mt-3 -mb-1'>
<div className='flex items-center mb-2 text-xs font-medium text-gray-500'>
{t('common.chat.citation.title')}
<div className='grow ml-2 h-[1px] bg-black/5' />
</div>
<div className='relative flex flex-wrap'>
{
resources.map((res, index) => (
<div
key={index}
className='absolute top-0 left-0 w-auto mr-1 mb-1 pl-7 pr-2 max-w-[240px] h-7 text-xs whitespace-nowrap opacity-0 -z-10'
ref={ele => (elesRef.current[index] = ele!)}
>
{res.documentName}
</div>
))
}
{
resources.slice(0, showMore ? resourcesLength : limitNumberInOneLine).map((res, index) => (
<div key={index} className='mr-1 mb-1 cursor-pointer'>
<Popup
data={res}
showHitInfo={showHitInfo}
/>
</div>
))
}
{
limitNumberInOneLine < resourcesLength && (
<div
className='flex items-center px-2 h-7 bg-white rounded-lg text-xs font-medium text-gray-500 cursor-pointer'
onClick={() => setShowMore(v => !v)}
>
{
!showMore
? `+ ${resourcesLength - limitNumberInOneLine}`
: <ChevronDown className='w-4 h-4 text-gray-600 rotate-180' />
}
</div>
)
}
</div>
</div>
)
}
export default Citation