feat: support DeepSeek (#667)

### What problem does this PR solve?

#666 
feat: support DeepSeek
feat: preview word and excel

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/package.json

   "author": "zhaofengchao <13723060510@163.com>",
   "scripts": {
     "build": "umi build",
-    "dev": "cross-env PORT=9000 umi dev",
+    "dev": "cross-env PORT=9200 umi dev",
     "postinstall": "umi setup",
     "lint": "umi lint --eslint-only",
     "setup": "umi setup",
     "@ant-design/icons": "^5.2.6",
     "@ant-design/pro-components": "^2.6.46",
     "@ant-design/pro-layout": "^7.17.16",
+    "@js-preview/excel": "^1.7.8",
     "ahooks": "^3.7.10",
     "antd": "^5.12.7",
     "axios": "^1.6.3",
     "rc-tween-one": "^3.0.6",
     "react-chat-elements": "^12.0.13",
     "react-copy-to-clipboard": "^5.1.0",
+    "react-file-viewer": "^1.2.1",
     "react-i18next": "^14.0.0",
     "react-infinite-scroll-component": "^6.1.0",
     "react-markdown": "^9.0.1",

web/src/assets/svg/llm/deepseek.svg

+<svg t="1715133624982" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4263"
+    width="200" height="200">
+    <path
+        d="M320.512 804.864C46.08 676.864 77.824 274.432 362.496 274.432c34.816 0 86.016-7.168 114.688-14.336 59.392-16.384 99.328-10.24 69.632 10.24-9.216 7.168-15.36 19.456-13.312 28.672 5.12 20.48 158.72 161.792 177.152 161.792 27.648 0 27.648-32.768 1.024-57.344-43.008-38.912-55.296-90.112-35.84-141.312l9.216-26.624 54.272 52.224c35.84 34.816 58.368 49.152 68.608 44.032 9.216-4.096 30.72-9.216 49.152-12.288 18.432-2.048 38.912-10.24 45.056-18.432 19.456-23.552 43.008-17.408 35.84 9.216-3.072 12.288-6.144 27.648-6.144 34.816 0 23.552-62.464 83.968-92.16 90.112-23.552 5.12-30.72 12.288-30.72 30.72 0 46.08-38.912 148.48-75.776 198.656l-37.888 51.2 36.864 15.36c56.32 23.552 40.96 41.984-37.888 43.008-43.008 1.024-75.776 7.168-92.16 18.432-68.608 45.056-198.656 50.176-281.6 12.288z m251.904-86.016c-24.576-27.648-66.56-79.872-93.184-117.76-69.632-98.304-158.72-150.528-256-150.528-37.888 0-38.912 1.024-38.912 34.816 0 94.208 99.328 240.64 175.104 257.024 38.912 9.216 59.392-7.168 39.936-29.696-7.168-9.216-10.24-23.552-6.144-31.744 5.12-14.336 9.216-14.336 38.912 1.024 18.432 9.216 50.176 29.696 69.632 45.056 35.84 27.648 58.368 37.888 96.256 39.936 14.336 1.024 9.216-10.24-25.6-48.128z m88.064-145.408c8.192-13.312-31.744-78.848-56.32-92.16-10.24-6.144-26.624-10.24-34.816-10.24-23.552 0-20.48 27.648 4.096 33.792 13.312 3.072 20.48 14.336 20.48 29.696 0 13.312 5.12 29.696 12.288 36.864 15.36 15.36 46.08 16.384 54.272 2.048z"
+        fill="#4D6BFE" p-id="4264"></path>
+</svg>

web/src/constants/common.ts

   Chinese: 'zh',
   'Traditional Chinese': 'zh-TRADITIONAL',
 };
+
+export const FileMimeTypeMap = {
+  bmp: 'image/bmp',
+  csv: 'text/csv',
+  odt: 'application/vnd.oasis.opendocument.text',
+  doc: 'application/msword',
+  docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+  gif: 'image/gif',
+  htm: 'text/htm',
+  html: 'text/html',
+  jpg: 'image/jpg',
+  jpeg: 'image/jpeg',
+  pdf: 'application/pdf',
+  png: 'image/png',
+  ppt: 'application/vnd.ms-powerpoint',
+  pptx: 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+  tiff: 'image/tiff',
+  txt: 'text/plain',
+  xls: 'application/vnd.ms-excel',
+  xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+  mp4: 'video/mp4',
+};

web/src/pages/document-viewer/excel/index.tsx

+import jsPreviewExcel from '@js-preview/excel';
+import '@js-preview/excel/lib/index.css';
+import { useEffect } from 'react';
+
+const Excel = ({ filePath }: { filePath: string }) => {
+  const fetchDocument = async () => {
+    const myExcelPreviewer = jsPreviewExcel.init(
+      document.getElementById('excel'),
+    );
+    const jsonFile = new XMLHttpRequest();
+    jsonFile.open('GET', filePath, true);
+    jsonFile.send();
+    jsonFile.responseType = 'arraybuffer';
+    jsonFile.onreadystatechange = () => {
+      if (jsonFile.readyState === 4 && jsonFile.status === 200) {
+        myExcelPreviewer
+          .preview(jsonFile.response)
+          .then((res: any) => {
+            console.log('succeed');
+          })
+          .catch((e) => {
+            console.log('failed', e);
+          });
+      }
+    };
+  };
+
+  useEffect(() => {
+    fetchDocument();
+  }, []);
+
+  return <div id="excel" style={{ height: '100%' }}></div>;
+};
+
+export default Excel;

web/src/pages/document-viewer/index.less

+.viewerWrapper {
+  width: 100%;
+  :global {
+    .pdf-canvas {
+      text-align: center;
+    }
+  }
+}

web/src/pages/document-viewer/index.tsx

+import { api_host } from '@/utils/api';
+import FileViewer from 'react-file-viewer';
+import { useParams, useSearchParams } from 'umi';
+import Excel from './excel';
+
+import styles from './index.less';
+
+const DocumentViewer = () => {
+  const { id: documentId } = useParams();
+  const api = `${api_host}/file/get/${documentId}`;
+  const [currentQueryParameters] = useSearchParams();
+  const ext = currentQueryParameters.get('ext');
+
+  const onError = (e: any) => {
+    console.error(e, 'error in file-viewer');
+  };
+
+  return (
+    <section className={styles.viewerWrapper}>
+      {ext === 'xlsx' && <Excel filePath={api}></Excel>}
+      {ext !== 'xlsx' && (
+        <FileViewer fileType={ext} filePath={api} onError={onError} />
+      )}
+    </section>
+  );
+};
+
+export default DocumentViewer;

web/src/pages/file-manager/action-cell/index.tsx

   LinkOutlined,
 } from '@ant-design/icons';
 import { Button, Space, Tooltip } from 'antd';
-import { useHandleDeleteFile } from '../hooks';
+import { useHandleDeleteFile, useNavigateToDocument } from '../hooks';
 
 import styles from './index.less';
 
     [documentId],
     setSelectedRowKeys,
   );
+  const navigateToDocument = useNavigateToDocument(record.id, record.name);
 
   const onDownloadDocument = () => {
     downloadFile({
 
   return (
     <Space size={0}>
+      {/* <Tooltip title={t('addToKnowledge')}>
+        <Button
+          type="text"
+          className={styles.iconButton}
+          onClick={navigateToDocument}
+        >
+          <EyeOutlined size={20} />
+        </Button>
+      </Tooltip> */}
       <Tooltip title={t('addToKnowledge')}>
         <Button
           type="text"

web/src/pages/file-manager/hooks.ts

 import { useGetPagination, useSetPagination } from '@/hooks/logicHooks';
 import { useOneNamespaceEffectsLoading } from '@/hooks/storeHooks';
 import { IFile } from '@/interfaces/database/file-manager';
+import { getExtension } from '@/utils/documentUtils';
 import { PaginationProps } from 'antd';
 import { UploadFile } from 'antd/lib';
 import { useCallback, useEffect, useMemo, useState } from 'react';
 
   return { handleBreadcrumbClick };
 };
+
+export const useNavigateToDocument = (documentId: string, name: string) => {
+  const navigate = useNavigate();
+  const navigateToDocument = () => {
+    navigate(`/document/${documentId}?ext=${getExtension(name)}`);
+  };
+
+  return navigateToDocument;
+};

web/src/pages/file-manager/index.tsx

 import { useSelectFileList } from '@/hooks/fileManagerHooks';
 import { IFile } from '@/interfaces/database/file-manager';
 import { formatDate } from '@/utils/date';
-import { Button, Flex, Space, Table, Tag } from 'antd';
+import { Button, Flex, Space, Table, Tag, Typography } from 'antd';
 import { ColumnsType } from 'antd/es/table';
 import ActionCell from './action-cell';
 import FileToolbar from './file-toolbar';
 import FolderCreateModal from './folder-create-modal';
 import styles from './index.less';
 
+const { Text } = Typography;
+
 const FileManager = () => {
   const { t } = useTranslate('fileManager');
   const fileList = useSelectFileList();
       title: t('name'),
       dataIndex: 'name',
       key: 'name',
+      fixed: 'left',
       render(value, record) {
         return (
           <Flex gap={10} align="center">
                 className={styles.linkButton}
                 onClick={() => navigateToOtherFolder(record.id)}
               >
-                {value}
+                <Text ellipsis={{ tooltip: value }}>{value}</Text>
               </Button>
             ) : (
-              value
+              <Text ellipsis={{ tooltip: value }}>{value}</Text>
             )}
           </Flex>
         );
         rowSelection={rowSelection}
         loading={loading}
         pagination={pagination}
+        scroll={{ scrollToFirstRowOnChange: true, x: '100%' }}
       />
       <RenameModal
         visible={fileRenameVisible}

web/src/pages/file-manager/model.ts

 import { BaseState } from '@/interfaces/common';
 import { IFile, IFolder } from '@/interfaces/database/file-manager';
 import i18n from '@/locales/config';
-import fileManagerService from '@/services/fileManagerService';
+import fileManagerService, {
+  getDocumentFile,
+} from '@/services/fileManagerService';
 import { message } from 'antd';
 import omit from 'lodash/omit';
 import { DvaModel } from 'umi';
       }
       return data.retcode;
     },
+    *getDocumentFile({ payload = {} }, { call }) {
+      const ret = yield call(getDocumentFile, payload);
+
+      return ret;
+    },
   },
 };
 

web/src/pages/user-setting/setting-model/index.tsx

   文心一言: 'wenxin',
   Ollama: 'ollama',
   Xinference: 'xinference',
+  DeepSeek: 'deepseek',
 };
 
 const LlmIcon = ({ name }: { name: string }) => {

web/src/routes.ts

         path: '/flow',
         component: '@/pages/flow',
       },
+      {
+        path: 'document/:id',
+        component: '@/pages/document-viewer',
+      },
     ],
   },
   {

web/src/services/fileManagerService.ts

 import api from '@/utils/api';
 import registerServer from '@/utils/registerServer';
 import request from '@/utils/request';
+import pureRequest from 'axios';
 
 const {
   listFile,
   getAllParentFolder,
   createFolder,
   connectFileToKnowledge,
+  get_document_file,
+  getFile,
 } = api;
 
 const methods = {
     url: connectFileToKnowledge,
     method: 'post',
   },
+  getDocumentFile: {
+    url: getFile,
+    method: 'get',
+    responseType: 'blob',
+  },
 } as const;
 
 const fileManagerService = registerServer<keyof typeof methods>(
 );
 
 export default fileManagerService;
+
+export const getDocumentFile = (documentId: string) => {
+  return pureRequest(getFile + '/' + documentId, {
+    responseType: 'blob',
+    method: 'get',
+    // headers: {
+    //   'content-type':
+    //     'text/plain;charset=UTF-8, application/vnd.openxmlformats-officeddocument.spreadsheetml.sheet;charset=UTF-8',
+    // },
+
+    // parseResponse: false,
+    // getResponse: true,
+  })
+    .then((res) => {
+      const x = res?.headers?.get('content-disposition');
+      const y = res?.headers?.get('Content-Type');
+      console.info(res);
+      console.info(x);
+      console.info('Content-Type', y);
+      return res;
+    })
+    .then((res) => {
+      // const objectURL = URL.createObjectURL(res);
+
+      // let btn = document.createElement('a');
+
+      // btn.download = '文件名.pdf';
+
+      // btn.href = objectURL;
+
+      // btn.click();
+
+      // URL.revokeObjectURL(objectURL);
+
+      // btn = null;
+
+      return res;
+    })
+    .catch((err) => {
+      console.info(err);
+    });
+};

web/src/utils/api.ts

   getAllParentFolder: `${api_host}/file/all_parent_folder`,
   createFolder: `${api_host}/file/create`,
   connectFileToKnowledge: `${api_host}/file2document/convert`,
+  getFile: `${api_host}/file/get`,
 };

web/src/utils/registerServer.ts

+import omit from 'lodash/omit';
 import { RequestMethod } from 'umi-request';
 
 type Service<T extends string> = Record<T, (params: any) => any>;
   for (let key in opt) {
     server[key] = (params: any, urlAppendix?: string) => {
       let url = opt[key].url;
+      const requestOptions = opt[key];
       if (urlAppendix) {
         url = url + '/' + urlAppendix;
       }
 
       if (opt[key].method === 'get' || opt[key].method === 'GET') {
         return request.get(url, {
+          ...omit(requestOptions, ['method', 'url']),
           params,
         });
       }

web/typings.d.ts

 import { SettingModelState } from '@/pages/user-setting/model';
 
 declare module 'lodash';
+declare module 'react-file-viewer';
 
 function useSelector<TState = RootState, TSelected = unknown>(
   selector: (state: TState) => TSelected,