refactor(client): add attachment file type registry (#5353)

* refactor(client): add attachment file type registry

* refactor(client): change api name of attachmentFileTypes

* fix(client): to open file preview in new window if previewer not defined

* fix(client): fix attachmentFileTypes default value

* refactor(client): simplify file previewer code and allow to preview most file by default

* refactor(client): make custom file type has high priority

* refactor(client): add types for upload component api

* fix(client): fix upload component locale

packages/core/client/src/locale/zh-CN.json

@@ -800,6 +800,7 @@
   "Try again": "重试一下",
   "Download logs": "下载日志",
   "Download": "下载",
+  "File type is not supported for previewing, please download it to preview.": "不支持预览该文件类型，请下载后查看。",
   "Click or drag file to this area to upload": "点击或拖拽文件到此区域上传",
   "Support for a single or bulk upload.": "支持单个或批量上传",
   "File size should not exceed {{size}}.": "文件大小不能超过 {{size}}",

packages/core/client/src/schema-component/antd/upload/Upload.tsx

@@ -10,7 +10,7 @@
 import { DeleteOutlined, DownloadOutlined, InboxOutlined, LoadingOutlined, PlusOutlined } from '@ant-design/icons';
 import { Field } from '@formily/core';
 import { connect, mapProps, mapReadPretty, useField } from '@formily/react';
-import { Upload as AntdUpload, Button, Modal, Progress, Space, Tooltip } from 'antd';
+import { Alert, Upload as AntdUpload, Button, Modal, Progress, Space, Tooltip } from 'antd';
 import useUploadStyle from 'antd/es/upload/style';
 import cls from 'classnames';
 import { saveAs } from 'file-saver';
@@ -18,13 +18,14 @@ import filesize from 'filesize';
 import React, { useCallback, useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import LightBox from 'react-image-lightbox';
+import match from 'mime-match';
 import 'react-image-lightbox/style.css'; // This only needs to be imported once in your app
 import { withDynamicSchemaProps } from '../../../hoc/withDynamicSchemaProps';
 import { useProps } from '../../hooks/useProps';
 import {
   FILE_SIZE_LIMIT_DEFAULT,
-  isImage,
-  isPdf,
+  attachmentFileTypes,
+  getThumbnailPlaceholderURL,
   normalizeFile,
   toFileList,
   toValueItem,
@@ -34,6 +35,129 @@ import {
 import { useStyles } from './style';
 import type { ComposedUpload, DraggerProps, DraggerV2Props, UploadProps } from './type';
 
+attachmentFileTypes.add({
+  match(file) {
+    return match(file.mimetype || file.type, 'image/*');
+  },
+  getThumbnailURL(file) {
+    return file.url ? `${file.url}${file.thumbnailRule || ''}` : URL.createObjectURL(file.originFileObj);
+  },
+  Previewer({ index, list, onSwitchIndex }) {
+    const onDownload = useCallback(
+      (e) => {
+        e.preventDefault();
+        const file = list[index];
+        saveAs(file.url, `${file.title}${file.extname}`);
+      },
+      [index, list],
+    );
+    return (
+      <LightBox
+        // discourageDownloads={true}
+        mainSrc={list[index]?.url}
+        nextSrc={list[(index + 1) % list.length]?.url}
+        prevSrc={list[(index + list.length - 1) % list.length]?.url}
+        onCloseRequest={() => onSwitchIndex(null)}
+        onMovePrevRequest={() => onSwitchIndex((index + list.length - 1) % list.length)}
+        onMoveNextRequest={() => onSwitchIndex((index + 1) % list.length)}
+        imageTitle={list[index]?.title}
+        toolbarButtons={[
+          <button
+            key={'preview-img'}
+            style={{ fontSize: 22, background: 'none', lineHeight: 1 }}
+            type="button"
+            aria-label="Download"
+            title="Download"
+            className="ril-zoom-in ril__toolbarItemChild ril__builtinButton"
+            onClick={onDownload}
+          >
+            <DownloadOutlined />
+          </button>,
+        ]}
+      />
+    );
+  },
+});
+
+const iframePreviewSupportedTypes = ['application/pdf', 'audio/*', 'image/*', 'video/*'];
+
+function IframePreviewer({ index, list, onSwitchIndex }) {
+  const { t } = useTranslation();
+  const file = list[index];
+  const onOpen = useCallback(
+    (e) => {
+      e.preventDefault();
+      e.stopPropagation();
+      window.open(file.url);
+    },
+    [file],
+  );
+  const onDownload = useCallback(
+    (e) => {
+      e.preventDefault();
+      e.stopPropagation();
+      saveAs(file.url, `${file.title}${file.extname}`);
+    },
+    [file],
+  );
+  const onClose = useCallback(() => {
+    onSwitchIndex(null);
+  }, [onSwitchIndex]);
+  return (
+    <Modal
+      open={index != null}
+      title={file.title}
+      onCancel={onClose}
+      footer={[
+        <Button key="open" onClick={onOpen}>
+          {t('Open in new window')}
+        </Button>,
+        <Button key="download" onClick={onDownload}>
+          {t('Download')}
+        </Button>,
+        <Button key="close" onClick={onClose}>
+          {t('Close')}
+        </Button>,
+      ]}
+      width={'85vw'}
+      centered={true}
+    >
+      <div
+        style={{
+          maxWidth: '100%',
+          maxHeight: 'calc(100vh - 256px)',
+          height: '90vh',
+          width: '100%',
+          background: 'white',
+          display: 'flex',
+          flexDirection: 'column',
+          justifyContent: 'center',
+          alignItems: 'center',
+          overflowY: 'auto',
+        }}
+      >
+        {iframePreviewSupportedTypes.some((type) => match(file.mimetype || file.extname, type)) ? (
+          <iframe
+            src={file.url}
+            style={{
+              width: '100%',
+              maxHeight: '90vh',
+              flex: '1 1 auto',
+              border: 'none',
+            }}
+          />
+        ) : (
+          <Alert
+            type="warning"
+            description={t('File type is not supported for previewing, please download it to preview.')}
+            showIcon
+          />
+        )}
+      </div>
+    </Modal>
+  );
+}
+
 function InternalUpload(props: UploadProps) {
   const { onChange, ...rest } = props;
   const onFileChange = useCallback(
@@ -85,6 +209,13 @@ function useSizeHint(size: number) {
   return s !== 0 ? t('File size should not exceed {{size}}.', { size: sizeString }) : '';
 }
 
+function DefaultThumbnailPreviewer({ file }) {
+  const { componentCls: prefixCls } = useStyles();
+  const { getThumbnailURL = getThumbnailPlaceholderURL } = attachmentFileTypes.getTypeByFile(file) ?? {};
+  const imageUrl = getThumbnailURL(file);
+  return <img src={imageUrl} alt={file.title} className={`${prefixCls}-list-item-image`} />;
+}
+
 function AttachmentListItem(props) {
   const { file, disabled, onPreview, onDelete: propsOnDelete, readPretty } = props;
   const { componentCls: prefixCls } = useStyles();
@@ -104,15 +235,11 @@ function AttachmentListItem(props) {
     saveAs(file.url, `${file.title}${file.extname}`);
   }, [file]);
 
+  const { ThumbnailPreviewer = DefaultThumbnailPreviewer } = attachmentFileTypes.getTypeByFile(file) ?? {};
+
   const item = [
     <span key="thumbnail" className={`${prefixCls}-list-item-thumbnail`}>
-      {file.imageUrl && (
-        <img
-          src={`${file.imageUrl}${file.thumbnailRule || ''}`}
-          alt={file.title}
-          className={`${prefixCls}-list-item-image`}
-        />
-      )}
+      <ThumbnailPreviewer file={file} />
     </span>,
     <span key="title" className={`${prefixCls}-list-item-name`} title={file.title}>
       {file.status === 'uploading' ? t('Uploading') : file.title}
@@ -166,121 +293,12 @@ function AttachmentListItem(props) {
   );
 }
 
-const PreviewerTypes = [
-  {
-    matcher: isImage,
-    Component({ index, list, onSwitchIndex }) {
-      const onDownload = useCallback(
-        (e) => {
-          e.preventDefault();
-          const file = list[index];
-          saveAs(file.url, `${file.title}${file.extname}`);
-        },
-        [index, list],
-      );
-      return (
-        <LightBox
-          // discourageDownloads={true}
-          mainSrc={list[index]?.imageUrl}
-          nextSrc={list[(index + 1) % list.length]?.imageUrl}
-          prevSrc={list[(index + list.length - 1) % list.length]?.imageUrl}
-          onCloseRequest={() => onSwitchIndex(null)}
-          onMovePrevRequest={() => onSwitchIndex((index + list.length - 1) % list.length)}
-          onMoveNextRequest={() => onSwitchIndex((index + 1) % list.length)}
-          imageTitle={list[index]?.title}
-          toolbarButtons={[
-            <button
-              key={'preview-img'}
-              style={{ fontSize: 22, background: 'none', lineHeight: 1 }}
-              type="button"
-              aria-label="Download"
-              title="Download"
-              className="ril-zoom-in ril__toolbarItemChild ril__builtinButton"
-              onClick={onDownload}
-            >
-              <DownloadOutlined />
-            </button>,
-          ]}
-        />
-      );
-    },
-  },
-  {
-    matcher: isPdf,
-    Component({ index, list, onSwitchIndex }) {
-      const { t } = useTranslation();
-      const onDownload = useCallback(
-        (e) => {
-          e.preventDefault();
-          e.stopPropagation();
-          const file = list[index];
-          saveAs(file.url, `${file.title}${file.extname}`);
-        },
-        [index, list],
-      );
-      const onClose = useCallback(() => {
-        onSwitchIndex(null);
-      }, [onSwitchIndex]);
-      return (
-        <Modal
-          open={index != null}
-          title={'PDF - ' + list[index].title}
-          onCancel={onClose}
-          footer={[
-            <Button
-              key="download"
-              style={{
-                textTransform: 'capitalize',
-              }}
-              onClick={onDownload}
-            >
-              {t('Download')}
-            </Button>,
-            <Button key="close" onClick={onClose} style={{ textTransform: 'capitalize' }}>
-              {t('Close')}
-            </Button>,
-          ]}
-          width={'85vw'}
-          centered={true}
-        >
-          <div
-            style={{
-              padding: '8px',
-              maxWidth: '100%',
-              maxHeight: 'calc(100vh - 256px)',
-              height: '90vh',
-              width: '100%',
-              background: 'white',
-              display: 'flex',
-              flexDirection: 'column',
-              alignItems: 'center',
-              overflowY: 'auto',
-            }}
-          >
-            <iframe
-              src={list[index].url}
-              style={{
-                width: '100%',
-                maxHeight: '90vh',
-                flex: '1 1 auto',
-              }}
-            />
-          </div>
-        </Modal>
-      );
-    },
-  },
-];
-
 function Previewer({ index, onSwitchIndex, list }) {
   if (index == null) {
     return null;
   }
   const file = list[index];
-  const { Component } = PreviewerTypes.find((type) => type.matcher(file)) ?? {};
-  if (!Component) {
-    return null;
-  }
+  const { Previewer: Component = IframePreviewer } = attachmentFileTypes.getTypeByFile(file) ?? {};
 
   return <Component index={index} list={list} onSwitchIndex={onSwitchIndex} />;
 }
@@ -298,14 +316,7 @@ export function AttachmentList(props) {
   const onPreview = useCallback(
     (file) => {
       const index = fileList.findIndex((item) => item.id === file.id);
-      const previewType = PreviewerTypes.find((type) => type.matcher(file));
-      if (previewType) {
       setPreview(index);
-      } else {
-        if (file.id) {
-          saveAs(file.url, `${file.title}${file.extname}`);
-        }
-      }
     },
     [fileList],
   );

packages/core/client/src/schema-component/antd/upload/index.ts

@@ -8,3 +8,4 @@
  */
 
 export * from './Upload';
+export { attachmentFileTypes } from './shared';

packages/core/client/src/schema-component/antd/upload/shared.ts

@@ -11,20 +11,52 @@ import { isArr, isValid, toArr as toArray } from '@formily/shared';
 import { UploadFile } from 'antd/es/upload/interface';
 import { useTranslation } from 'react-i18next';
 import match from 'mime-match';
-import { useCallback } from 'react';
+import React, { useCallback } from 'react';
 import { useAPIClient } from '../../../api-client';
 import { UNKNOWN_FILE_ICON, UPLOAD_PLACEHOLDER } from './placeholder';
 import type { IUploadProps, UploadProps } from './type';
 
 export const FILE_SIZE_LIMIT_DEFAULT = 1024 * 1024 * 20;
 
-export const isImage = (file) => {
-  return match(file.mimetype || file.type, 'image/*');
-};
+export interface FileModel {
+  id: number;
+  filename: string;
+  path: string;
+  title: string;
+  url: string;
+  extname: string;
+  size: number;
+  mimetype: string;
+}
 
-export const isPdf = (file) => {
-  return match(file.mimetype || file.type, 'application/pdf');
-};
+export interface PreviewerProps {
+  index: number;
+  list: FileModel[];
+  onSwitchIndex(index): void;
+}
+
+export interface AttachmentFileType {
+  match(file: any): boolean;
+  getThumbnailURL?(file: any): string;
+  ThumbnailPreviewer?: React.ComponentType<{ file: FileModel }>;
+  Previewer?: React.ComponentType<PreviewerProps>;
+}
+
+export class AttachmentFileTypes {
+  types: AttachmentFileType[] = [];
+  add(type: AttachmentFileType) {
+    // NOTE: use unshift to make sure the custom type has higher priority
+    this.types.unshift(type);
+  }
+  getTypeByFile(file): Omit<AttachmentFileType, 'match'> {
+    return this.types.find((type) => type.match(file));
+  }
+}
+
+/**
+ * @experimental
+ */
+export const attachmentFileTypes = new AttachmentFileTypes();
 
 const toArr = (value) => {
   if (!isValid(value)) {
@@ -36,7 +68,7 @@ const toArr = (value) => {
   return toArray(value);
 };
 
-export const testOpts = (ext: RegExp, options: { exclude?: string[]; include?: string[] }) => {
+const testOpts = (ext: RegExp, options: { exclude?: string[]; include?: string[] }) => {
   if (options && isArr(options.include)) {
     return options.include.some((url) => ext.test(url));
   }
@@ -48,26 +80,19 @@ export const testOpts = (ext: RegExp, options: { exclude?: string[]; include?: s
   return true;
 };
 
-export const getImageByUrl = (url: string, options: any = {}) => {
+export function getThumbnailPlaceholderURL(file, options: any = {}) {
   for (let i = 0; i < UPLOAD_PLACEHOLDER.length; i++) {
     // console.log(UPLOAD_PLACEHOLDER[i].ext, testOpts(UPLOAD_PLACEHOLDER[i].ext, options));
-    if (UPLOAD_PLACEHOLDER[i].ext.test(url)) {
+    if (UPLOAD_PLACEHOLDER[i].ext.test(file.extname || file.filename || file.url || file.name)) {
       if (testOpts(UPLOAD_PLACEHOLDER[i].ext, options)) {
         return UPLOAD_PLACEHOLDER[i].icon || UNKNOWN_FILE_ICON;
       } else {
-        return url;
+        return file.name;
       }
     }
   }
   return UNKNOWN_FILE_ICON;
-};
-
-export const getURL = (target: any) => {
-  return target?.['url'] || target?.['downloadURL'] || target?.['imgURL'] || target?.['name'];
-};
-export const getThumbURL = (target: any) => {
-  return target?.['thumbUrl'] || target?.['url'] || target?.['downloadURL'] || target?.['imgURL'] || target?.['name'];
-};
+}
 
 export function getResponseMessage({ error, response }: UploadFile<any>) {
   if (error instanceof Error && 'isAxiosError' in error) {
@@ -93,24 +118,14 @@ export function getResponseMessage({ error, response }: UploadFile<any>) {
 }
 
 export function normalizeFile(file: UploadFile & Record<string, any>) {
-  const imageUrl = isImage(file) ? URL.createObjectURL(file.originFileObj) : getImageByUrl(file.name);
   const response = getResponseMessage(file);
   return {
     ...file,
     title: file.name,
-    thumbUrl: imageUrl,
-    imageUrl,
     response,
   };
 }
 
-export const normalizeFileList = (fileList: UploadFile[]) => {
-  if (fileList && fileList.length) {
-    return fileList.map(normalizeFile);
-  }
-  return [];
-};
-
 export function useUploadProps<T extends IUploadProps = UploadProps>(props: T) {
   const api = useAPIClient();
 
@@ -166,11 +181,6 @@ export const toItem = (file) => {
     ...file,
     id: file.id || file.uid,
     title: file.title || file.name,
-    imageUrl: isImage(file)
-      ? file.url
-      : getImageByUrl(file.url, {
-          exclude: ['.png', '.jpg', '.jpeg', '.gif', '.svg', '.webp', '.bmp', '.ico'],
-        }),
   };
 };
 
@@ -178,12 +188,6 @@ export const toFileList = (fileList: any) => {
   return toArr(fileList).filter(Boolean).map(toItem);
 };
 
-export const toValue = (fileList: any) => {
-  return toArr(fileList)
-    .filter((file) => !file.response || file.status === 'done')
-    .map((file) => file?.response?.data || file);
-};
-
 const Rules: Record<string, RuleFunction> = {
   size(file, options: number): null | string {
     const size = options ?? FILE_SIZE_LIMIT_DEFAULT;