mirror of
https://github.com/langgenius/dify.git
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336 lines
13 KiB
TypeScript
336 lines
13 KiB
TypeScript
'use client'
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import React, { useCallback, useEffect, useMemo, useRef, useState } 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 useSWR from 'swr'
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import { RiDeleteBinLine, RiUploadCloud2Line } from '@remixicon/react'
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import DocumentFileIcon from '../../common/document-file-icon'
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import cn from '@/utils/classnames'
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import type { CustomFile as File, FileItem } from '@/models/datasets'
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import { ToastContext } from '@/app/components/base/toast'
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import SimplePieChart from '@/app/components/base/simple-pie-chart'
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import { upload } from '@/service/base'
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import { fetchFileUploadConfig } from '@/service/common'
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import { fetchSupportFileTypes } from '@/service/datasets'
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import I18n from '@/context/i18n'
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import { LanguagesSupported } from '@/i18n/language'
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import { IS_CE_EDITION } from '@/config'
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import { Theme } from '@/types/app'
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import useTheme from '@/hooks/use-theme'
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const FILES_NUMBER_LIMIT = 20
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type IFileUploaderProps = {
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fileList: FileItem[]
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titleClassName?: string
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prepareFileList: (files: FileItem[]) => void
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onFileUpdate: (fileItem: FileItem, progress: number, list: FileItem[]) => void
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onFileListUpdate?: (files: FileItem[]) => void
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onPreview: (file: File) => void
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notSupportBatchUpload?: boolean
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}
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const FileUploader = ({
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fileList,
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titleClassName,
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prepareFileList,
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onFileUpdate,
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onFileListUpdate,
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onPreview,
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notSupportBatchUpload,
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}: IFileUploaderProps) => {
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const { t } = useTranslation()
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const { notify } = useContext(ToastContext)
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const { locale } = useContext(I18n)
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const [dragging, setDragging] = useState(false)
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const dropRef = useRef<HTMLDivElement>(null)
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const dragRef = useRef<HTMLDivElement>(null)
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const fileUploader = useRef<HTMLInputElement>(null)
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const hideUpload = notSupportBatchUpload && fileList.length > 0
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const { data: fileUploadConfigResponse } = useSWR({ url: '/files/upload' }, fetchFileUploadConfig)
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const { data: supportFileTypesResponse } = useSWR({ url: '/files/support-type' }, fetchSupportFileTypes)
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const supportTypes = supportFileTypesResponse?.allowed_extensions || []
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const supportTypesShowNames = (() => {
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const extensionMap: { [key: string]: string } = {
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md: 'markdown',
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pptx: 'pptx',
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htm: 'html',
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xlsx: 'xlsx',
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docx: 'docx',
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}
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return [...supportTypes]
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.map(item => extensionMap[item] || item) // map to standardized extension
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.map(item => item.toLowerCase()) // convert to lower case
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.filter((item, index, self) => self.indexOf(item) === index) // remove duplicates
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.map(item => item.toUpperCase()) // convert to upper case
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.join(locale !== LanguagesSupported[1] ? ', ' : '、 ')
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})()
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const ACCEPTS = supportTypes.map((ext: string) => `.${ext}`)
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const fileUploadConfig = useMemo(() => fileUploadConfigResponse ?? {
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file_size_limit: 15,
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batch_count_limit: 5,
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}, [fileUploadConfigResponse])
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const fileListRef = useRef<FileItem[]>([])
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// utils
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const getFileType = (currentFile: File) => {
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if (!currentFile)
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return ''
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const arr = currentFile.name.split('.')
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return arr[arr.length - 1]
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}
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const getFileSize = (size: number) => {
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if (size / 1024 < 10)
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return `${(size / 1024).toFixed(2)}KB`
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return `${(size / 1024 / 1024).toFixed(2)}MB`
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}
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const isValid = useCallback((file: File) => {
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const { size } = file
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const ext = `.${getFileType(file)}`
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const isValidType = ACCEPTS.includes(ext.toLowerCase())
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if (!isValidType)
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notify({ type: 'error', message: t('datasetCreation.stepOne.uploader.validation.typeError') })
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const isValidSize = size <= fileUploadConfig.file_size_limit * 1024 * 1024
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if (!isValidSize)
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notify({ type: 'error', message: t('datasetCreation.stepOne.uploader.validation.size', { size: fileUploadConfig.file_size_limit }) })
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return isValidType && isValidSize
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}, [fileUploadConfig, notify, t, ACCEPTS])
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const fileUpload = useCallback(async (fileItem: FileItem): Promise<FileItem> => {
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const formData = new FormData()
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formData.append('file', fileItem.file)
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const onProgress = (e: ProgressEvent) => {
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if (e.lengthComputable) {
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const percent = Math.floor(e.loaded / e.total * 100)
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onFileUpdate(fileItem, percent, fileListRef.current)
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}
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}
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return upload({
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xhr: new XMLHttpRequest(),
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data: formData,
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onprogress: onProgress,
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}, false, undefined, '?source=datasets')
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.then((res: File) => {
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const completeFile = {
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fileID: fileItem.fileID,
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file: res,
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progress: -1,
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}
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const index = fileListRef.current.findIndex(item => item.fileID === fileItem.fileID)
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fileListRef.current[index] = completeFile
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onFileUpdate(completeFile, 100, fileListRef.current)
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return Promise.resolve({ ...completeFile })
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})
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.catch((e) => {
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notify({ type: 'error', message: e?.response?.code === 'forbidden' ? e?.response?.message : t('datasetCreation.stepOne.uploader.failed') })
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onFileUpdate(fileItem, -2, fileListRef.current)
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return Promise.resolve({ ...fileItem })
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})
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.finally()
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}, [fileListRef, notify, onFileUpdate, t])
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const uploadBatchFiles = useCallback((bFiles: FileItem[]) => {
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bFiles.forEach(bf => (bf.progress = 0))
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return Promise.all(bFiles.map(fileUpload))
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}, [fileUpload])
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const uploadMultipleFiles = useCallback(async (files: FileItem[]) => {
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const batchCountLimit = fileUploadConfig.batch_count_limit
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const length = files.length
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let start = 0
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let end = 0
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while (start < length) {
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if (start + batchCountLimit > length)
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end = length
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else
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end = start + batchCountLimit
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const bFiles = files.slice(start, end)
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await uploadBatchFiles(bFiles)
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start = end
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}
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}, [fileUploadConfig, uploadBatchFiles])
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const initialUpload = useCallback((files: File[]) => {
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if (!files.length)
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return false
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if (files.length + fileList.length > FILES_NUMBER_LIMIT && !IS_CE_EDITION) {
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notify({ type: 'error', message: t('datasetCreation.stepOne.uploader.validation.filesNumber', { filesNumber: FILES_NUMBER_LIMIT }) })
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return false
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}
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const preparedFiles = files.map((file, index) => ({
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fileID: `file${index}-${Date.now()}`,
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file,
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progress: -1,
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}))
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const newFiles = [...fileListRef.current, ...preparedFiles]
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prepareFileList(newFiles)
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fileListRef.current = newFiles
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uploadMultipleFiles(preparedFiles)
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}, [prepareFileList, uploadMultipleFiles, notify, t, fileList])
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const handleDragEnter = (e: DragEvent) => {
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e.preventDefault()
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e.stopPropagation()
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e.target !== dragRef.current && setDragging(true)
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}
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const handleDragOver = (e: DragEvent) => {
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e.preventDefault()
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e.stopPropagation()
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}
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const handleDragLeave = (e: DragEvent) => {
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e.preventDefault()
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e.stopPropagation()
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e.target === dragRef.current && setDragging(false)
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}
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const handleDrop = useCallback((e: DragEvent) => {
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e.preventDefault()
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e.stopPropagation()
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setDragging(false)
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if (!e.dataTransfer)
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return
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let files = [...e.dataTransfer.files] as File[]
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if (notSupportBatchUpload)
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files = files.slice(0, 1)
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const validFiles = files.filter(isValid)
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initialUpload(validFiles)
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}, [initialUpload, isValid, notSupportBatchUpload])
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const selectHandle = () => {
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if (fileUploader.current)
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fileUploader.current.click()
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}
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const removeFile = (fileID: string) => {
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if (fileUploader.current)
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fileUploader.current.value = ''
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fileListRef.current = fileListRef.current.filter(item => item.fileID !== fileID)
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onFileListUpdate?.([...fileListRef.current])
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}
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const fileChangeHandle = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
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const files = [...(e.target.files ?? [])] as File[]
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initialUpload(files.filter(isValid))
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}, [isValid, initialUpload])
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const { theme } = useTheme()
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const chartColor = useMemo(() => theme === Theme.dark ? '#5289ff' : '#296dff', [theme])
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useEffect(() => {
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dropRef.current?.addEventListener('dragenter', handleDragEnter)
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dropRef.current?.addEventListener('dragover', handleDragOver)
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dropRef.current?.addEventListener('dragleave', handleDragLeave)
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dropRef.current?.addEventListener('drop', handleDrop)
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return () => {
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dropRef.current?.removeEventListener('dragenter', handleDragEnter)
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dropRef.current?.removeEventListener('dragover', handleDragOver)
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dropRef.current?.removeEventListener('dragleave', handleDragLeave)
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dropRef.current?.removeEventListener('drop', handleDrop)
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}
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}, [handleDrop])
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return (
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<div className="mb-5 w-[640px]">
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{!hideUpload && (
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<input
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ref={fileUploader}
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id="fileUploader"
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className="hidden"
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type="file"
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multiple={!notSupportBatchUpload}
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accept={ACCEPTS.join(',')}
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onChange={fileChangeHandle}
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/>
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)}
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<div className={cn('mb-1 text-sm font-semibold leading-6 text-text-secondary', titleClassName)}>{t('datasetCreation.stepOne.uploader.title')}</div>
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{!hideUpload && (
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<div ref={dropRef} className={cn('relative mb-2 box-border flex min-h-20 max-w-[640px] flex-col items-center justify-center gap-1 rounded-xl border border-dashed border-components-dropzone-border bg-components-dropzone-bg px-4 py-3 text-xs leading-4 text-text-tertiary', dragging && 'border-components-dropzone-border-accent bg-components-dropzone-bg-accent')}>
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<div className="flex min-h-5 items-center justify-center text-sm leading-4 text-text-secondary">
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<RiUploadCloud2Line className='mr-2 size-5' />
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<span>
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{t('datasetCreation.stepOne.uploader.button')}
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{supportTypes.length > 0 && (
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<label className="ml-1 cursor-pointer text-text-accent" onClick={selectHandle}>{t('datasetCreation.stepOne.uploader.browse')}</label>
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)}
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</span>
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</div>
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<div>{t('datasetCreation.stepOne.uploader.tip', {
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size: fileUploadConfig.file_size_limit,
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supportTypes: supportTypesShowNames,
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})}</div>
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{dragging && <div ref={dragRef} className='absolute left-0 top-0 h-full w-full' />}
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</div>
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)}
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<div className='max-w-[640px] cursor-default space-y-1'>
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{fileList.map((fileItem, index) => (
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<div
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key={`${fileItem.fileID}-${index}`}
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onClick={() => fileItem.file?.id && onPreview(fileItem.file)}
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className={cn(
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'flex h-12 max-w-[640px] items-center rounded-lg border border-components-panel-border bg-components-panel-on-panel-item-bg text-xs leading-3 text-text-tertiary shadow-xs',
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// 'border-state-destructive-border bg-state-destructive-hover',
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)}
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>
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<div className="flex w-12 shrink-0 items-center justify-center">
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<DocumentFileIcon
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className="size-6 shrink-0"
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name={fileItem.file.name}
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extension={getFileType(fileItem.file)}
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/>
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</div>
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<div className="flex shrink grow flex-col gap-0.5">
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<div className='flex w-full'>
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<div className="w-0 grow truncate text-sm leading-4 text-text-secondary">{fileItem.file.name}</div>
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</div>
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<div className="w-full truncate leading-3 text-text-tertiary">
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<span className='uppercase'>{getFileType(fileItem.file)}</span>
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<span className='px-1 text-text-quaternary'>·</span>
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<span>{getFileSize(fileItem.file.size)}</span>
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{/* <span className='px-1 text-text-quaternary'>·</span>
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<span>10k characters</span> */}
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</div>
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</div>
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<div className="flex w-16 shrink-0 items-center justify-end gap-1 pr-3">
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{/* <span className="flex justify-center items-center w-6 h-6 cursor-pointer">
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<RiErrorWarningFill className='size-4 text-text-warning' />
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</span> */}
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{(fileItem.progress < 100 && fileItem.progress >= 0) && (
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// <div className={s.percent}>{`${fileItem.progress}%`}</div>
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<SimplePieChart percentage={fileItem.progress} stroke={chartColor} fill={chartColor} animationDuration={0} />
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)}
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<span className="flex h-6 w-6 cursor-pointer items-center justify-center" onClick={(e) => {
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e.stopPropagation()
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removeFile(fileItem.fileID)
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}}>
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<RiDeleteBinLine className='size-4 text-text-tertiary' />
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</span>
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</div>
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</div>
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))}
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</div>
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</div>
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)
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}
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export default FileUploader
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