dify

dify/web/app/components/datasets/documents/create-from-pipeline/preview/file-preview.tsx

@@ -0,0 +1,75 @@
+'use client'
+import React, { useMemo } from 'react'
+import { useTranslation } from 'react-i18next'
+import Loading from './loading'
+import type { CustomFile as File } from '@/models/datasets'
+import { RiCloseLine } from '@remixicon/react'
+import { useFilePreview } from '@/service/use-common'
+import DocumentFileIcon from '../../../common/document-file-icon'
+import { formatFileSize, formatNumberAbbreviated } from '@/utils/format'
+
+type FilePreviewProps = {
+  file: File
+  hidePreview: () => void
+}
+
+const FilePreview = ({
+  file,
+  hidePreview,
+}: FilePreviewProps) => {
+  const { t } = useTranslation()
+  const { data: fileData, isFetching } = useFilePreview(file.id || '')
+
+  const fileName = useMemo(() => {
+    if (!file)
+      return ''
+    const arr = file.name.split('.')
+    return arr.slice(0, -1).join()
+  }, [file])
+
+  return (
+    <div className='flex h-full w-full flex-col rounded-t-xl border-l border-t border-components-panel-border bg-background-default-lighter shadow-md shadow-shadow-shadow-5'>
+      <div className='flex gap-x-2 border-b border-divider-subtle pb-3 pl-6 pr-4 pt-4'>
+        <div className='flex grow flex-col gap-y-1'>
+          <div className='system-2xs-semibold-uppercase text-text-accent'>{t('datasetPipeline.addDocuments.stepOne.preview')}</div>
+          <div className='title-md-semi-bold text-tex-primary'>{`${fileName}.${file.extension || ''}`}</div>
+          <div className='system-xs-medium flex items-center gap-x-1 text-text-tertiary'>
+            <DocumentFileIcon
+              className='size-3.5 shrink-0'
+              name={file.name}
+              extension={file.extension}
+            />
+            <span className='uppercase'>{file.extension}</span>
+            <span>·</span>
+            <span>{formatFileSize(file.size)}</span>
+            {fileData && (
+              <>
+                <span>·</span>
+                <span>{`${formatNumberAbbreviated(fileData.content.length)} ${t('datasetPipeline.addDocuments.characters')}`}</span>
+              </>
+            )}
+          </div>
+        </div>
+        <button
+          type='button'
+          className='flex h-8 w-8 shrink-0 items-center justify-center'
+          onClick={hidePreview}
+        >
+          <RiCloseLine className='size-[18px]' />
+        </button>
+      </div>
+      {isFetching && (
+        <div className='grow'>
+          <Loading />
+        </div>
+      )}
+      {!isFetching && fileData && (
+        <div className='body-md-regular grow overflow-hidden px-6 py-5 text-text-secondary'>
+          {fileData.content}
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default FilePreview