feat: display all pdf pages and add DocumentPreview (#88)

* feat: add DocumentPreview

* feat: display all pdf pages

web/.umirc.ts

+import path from 'path';
 import { defineConfig } from 'umi';
 import routes from './src/routes';
 
+const cMapsDir = path.join(
+  path.dirname(require.resolve('pdfjs-dist/package.json')),
+  'cmaps',
+);
+const standardFontsDir = path.join(
+  path.dirname(require.resolve('pdfjs-dist/package.json')),
+  'standard_fonts',
+);
+
 export default defineConfig({
   outputPath: 'dist',
   // alias: { '@': './src' },
       // pathRewrite: { '^/v1': '/v1' },
     },
   },
+  copy: [
+    { from: cMapsDir, to: 'cmaps/' },
+    { from: standardFontsDir, to: 'standard_fonts/' },
+  ],
+  chainWebpack(memo, args) {
+    console.info(memo);
+  },
 });

web/package-lock.json

         "@ant-design/icons": "^5.2.6",
         "@ant-design/pro-components": "^2.6.46",
         "@ant-design/pro-layout": "^7.17.16",
+        "ahooks": "^3.7.10",
         "antd": "^5.12.7",
         "axios": "^1.6.3",
         "classnames": "^2.5.1",
         "react-i18next": "^14.0.0",
         "react-infinite-scroll-component": "^6.1.0",
         "react-markdown": "^9.0.1",
+        "react-pdf": "^7.7.1",
         "react-string-replace": "^1.1.1",
         "umi": "^4.0.90",
         "umi-request": "^1.4.0",
       "resolved": "https://registry.npmmirror.com/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
     },
+    "node_modules/@mapbox/node-pre-gyp": {
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+      "resolved": "https://registry.npmmirror.com/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.11.tgz",
+      "integrity": "sha512-Yhlar6v9WQgUp/He7BdgzOz8lqMQ8sU+jkCq7Wx8Myc5YFJLbEe7lgui/V7G1qB1DJykHSGwreceSaD60Y0PUQ==",
+      "optional": true,
+      "dependencies": {
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+        "https-proxy-agent": "^5.0.0",
+        "make-dir": "^3.1.0",
+        "node-fetch": "^2.6.7",
+        "nopt": "^5.0.0",
+        "npmlog": "^5.0.1",
+        "rimraf": "^3.0.2",
+        "semver": "^7.3.5",
+        "tar": "^6.1.11"
+      },
+      "bin": {
+        "node-pre-gyp": "bin/node-pre-gyp"
+      }
+    },
+    "node_modules/@mapbox/node-pre-gyp/node_modules/detect-libc": {
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+      "optional": true,
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+      },
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+      }
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+      "optional": true,
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+      }
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+        }
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+      },
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+        "semver": "bin/semver.js"
+      },
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       "peer": true
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+    },
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         "node": ">= 10.0.0"
       }
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+    "node_modules/agent-base": {
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+      "resolved": "https://registry.npmmirror.com/agent-base/-/agent-base-6.0.2.tgz",
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+      "optional": true,
+      "dependencies": {
+        "debug": "4"
+      },
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+      }
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         "node": ">=8"
       }
     },
+    "node_modules/ahooks": {
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web/package.json

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     "@ant-design/pro-components": "^2.6.46",
     "@ant-design/pro-layout": "^7.17.16",
+    "ahooks": "^3.7.10",
     "antd": "^5.12.7",
     "axios": "^1.6.3",
     "classnames": "^2.5.1",
     "react-i18next": "^14.0.0",
     "react-infinite-scroll-component": "^6.1.0",
     "react-markdown": "^9.0.1",
+    "react-pdf": "^7.7.1",
     "react-string-replace": "^1.1.1",
     "umi": "^4.0.90",
     "umi-request": "^1.4.0",

web/src/constants/knowledge.ts

   Image2text = 'image2text',
   Speech2text = 'speech2text',
 }
+
+export enum KnowledgeSearchParams {
+  DocumentId = 'doc_id',
+  KnowledgeId = 'id',
+}

web/src/hooks/knowledgeHook.ts

 import showDeleteConfirm from '@/components/deleting-confirm';
+import { KnowledgeSearchParams } from '@/constants/knowledge';
 import { IKnowledge, ITenantInfo } from '@/interfaces/database/knowledge';
 import { useCallback, useEffect, useMemo } from 'react';
 import { useDispatch, useSearchParams, useSelector } from 'umi';
 
   return { fileThumbnails, fetchFileThumbnails };
 };
+
+export const useGetKnowledgeSearchParams = () => {
+  const [currentQueryParameters] = useSearchParams();
+
+  return {
+    documentId:
+      currentQueryParameters.get(KnowledgeSearchParams.DocumentId) || '',
+    knowledgeId:
+      currentQueryParameters.get(KnowledgeSearchParams.KnowledgeId) || '',
+  };
+};

web/src/pages/add-knowledge/components/knowledge-chunk/components/document-preview/hooks.ts

+import { useSize } from 'ahooks';
+import { useCallback, useEffect, useState } from 'react';
+
+export const useDocumentResizeObserver = () => {
+  const [containerWidth, setContainerWidth] = useState<number>();
+  const [containerRef, setContainerRef] = useState<HTMLElement | null>(null);
+  const size = useSize(containerRef);
+
+  const onResize = useCallback((width?: number) => {
+    if (width) {
+      setContainerWidth(width);
+    }
+  }, []);
+
+  useEffect(() => {
+    onResize(size?.width);
+  }, [size?.width, onResize]);
+
+  return { containerWidth, setContainerRef };
+};

web/src/pages/add-knowledge/components/knowledge-chunk/components/document-preview/index.less

+.documentContainer {
+  width: 100%;
+  height: calc(100vh - 284px);
+  overflow-y: auto;
+  overflow-x: hidden;
+}

web/src/pages/add-knowledge/components/knowledge-chunk/components/document-preview/index.tsx

+import { useGetKnowledgeSearchParams } from '@/hooks/knowledgeHook';
+import { api_host } from '@/utils/api';
+import { useMemo, useState } from 'react';
+import { Document, Page, pdfjs } from 'react-pdf';
+
+import 'react-pdf/dist/esm/Page/AnnotationLayer.css';
+import 'react-pdf/dist/esm/Page/TextLayer.css';
+import { useDocumentResizeObserver } from './hooks';
+
+import styles from './index.less';
+
+// type PDFFile = string | File | null;
+
+pdfjs.GlobalWorkerOptions.workerSrc = new URL(
+  'pdfjs-dist/build/pdf.worker.min.js',
+  import.meta.url,
+).toString();
+
+// const options = {
+//   cMapUrl: '/cmaps/',
+//   standardFontDataUrl: '/standard_fonts/',
+// };
+
+const DocumentPreview = () => {
+  const [numPages, setNumPages] = useState<number>();
+  const { documentId } = useGetKnowledgeSearchParams();
+  //   const [file, setFile] = useState<PDFFile>(null);
+  const { containerWidth, setContainerRef } = useDocumentResizeObserver();
+
+  function onDocumentLoadSuccess({ numPages }: { numPages: number }): void {
+    setNumPages(numPages);
+  }
+
+  //   const handleChange = (e: any) => {
+  //     console.info(e.files);
+  //     setFile(e.target.files[0] || null);
+  //   };
+
+  const url = useMemo(() => {
+    return `${api_host}/document/get/${documentId}`;
+  }, [documentId]);
+
+  //   const fetch_document_file = useCallback(async () => {
+  //     const ret: Blob = await getDocumentFile(documentId);
+  //     console.info(ret);
+  //     const f = new File([ret], 'xx.pdf', { type: ret.type });
+  //     setFile(f);
+  //   }, [documentId]);
+
+  //   useEffect(() => {
+  //     // dispatch({ type: 'kFModel/fetch_document_file', payload: documentId });
+  //     fetch_document_file();
+  //   }, [fetch_document_file]);
+
+  return (
+    <div ref={setContainerRef} className={styles.documentContainer}>
+      <Document
+        file={url}
+        onLoadSuccess={onDocumentLoadSuccess}
+        //   options={options}
+      >
+        {Array.from(new Array(numPages), (el, index) => (
+          <Page
+            key={`page_${index + 1}`}
+            pageNumber={index + 1}
+            width={containerWidth}
+          />
+        ))}
+      </Document>
+      {/* <input type="file" onChange={handleChange} /> */}
+    </div>
+  );
+};
+
+export default DocumentPreview;

web/src/pages/add-knowledge/components/knowledge-chunk/hooks.ts

+import { IKnowledgeFile } from '@/interfaces/database/knowledge';
+import { useSelector } from 'umi';
+
+export const useSelectDocumentInfo = () => {
+  const documentInfo: IKnowledgeFile = useSelector(
+    (state: any) => state.chunkModel.documentInfo,
+  );
+  return documentInfo;
+};

web/src/pages/add-knowledge/components/knowledge-chunk/index.less

     }
   }
 
+  .documentPreview {
+    width: 40%;
+    height: 100%;
+  }
+
   .chunkContainer {
     height: calc(100vh - 320px);
     overflow: auto;

web/src/pages/add-knowledge/components/knowledge-chunk/index.tsx

 import { getOneNamespaceEffectsLoading } from '@/utils/storeUtil';
 import type { PaginationProps } from 'antd';
-import { Divider, Pagination, Space, Spin, message } from 'antd';
+import { Divider, Flex, Pagination, Space, Spin, message } from 'antd';
 import { useCallback, useEffect, useState } from 'react';
 import { useDispatch, useSearchParams, useSelector } from 'umi';
 import CreatingModal from './components/chunk-creating-modal';
 import { useDeleteChunkByIds } from '@/hooks/knowledgeHook';
 import ChunkCard from './components/chunk-card';
 import ChunkToolBar from './components/chunk-toolbar';
+import DocumentPreview from './components/document-preview';
+import { useSelectDocumentInfo } from './hooks';
 import styles from './index.less';
 import { ChunkModelState } from './model';
 
   const documentId: string = searchParams.get('doc_id') || '';
   const [chunkId, setChunkId] = useState<string | undefined>();
   const { removeChunk } = useDeleteChunkByIds();
+  const documentInfo = useSelectDocumentInfo();
 
   const getChunkList = useCallback(() => {
     const payload: PayloadType = {
           switchChunk={switchChunk}
         ></ChunkToolBar>
         <Divider></Divider>
-        <div className={styles.pageContent}>
-          <Spin spinning={loading} className={styles.spin} size="large">
-            <Space
-              direction="vertical"
-              size={'middle'}
-              className={styles.chunkContainer}
-            >
-              {data.map((item) => (
-                <ChunkCard
-                  item={item}
-                  key={item.chunk_id}
-                  editChunk={handleEditChunk}
-                  checked={selectedChunkIds.some((x) => x === item.chunk_id)}
-                  handleCheckboxClick={handleSingleCheckboxClick}
-                  switchChunk={switchChunk}
-                ></ChunkCard>
-              ))}
-            </Space>
-          </Spin>
-        </div>
-        <div className={styles.pageFooter}>
-          <Pagination
-            responsive
-            showLessItems
-            showQuickJumper
-            showSizeChanger
-            onChange={onPaginationChange}
-            pageSize={pagination.pageSize}
-            pageSizeOptions={[10, 30, 60, 90]}
-            current={pagination.current}
-            total={total}
-          />
-        </div>
+        <Flex flex={1} gap={'middle'}>
+          <Flex flex={1} vertical>
+            <div className={styles.pageContent}>
+              <Spin spinning={loading} className={styles.spin} size="large">
+                <Space
+                  direction="vertical"
+                  size={'middle'}
+                  className={styles.chunkContainer}
+                >
+                  {data.map((item) => (
+                    <ChunkCard
+                      item={item}
+                      key={item.chunk_id}
+                      editChunk={handleEditChunk}
+                      checked={selectedChunkIds.some(
+                        (x) => x === item.chunk_id,
+                      )}
+                      handleCheckboxClick={handleSingleCheckboxClick}
+                      switchChunk={switchChunk}
+                    ></ChunkCard>
+                  ))}
+                </Space>
+              </Spin>
+            </div>
+            <div className={styles.pageFooter}>
+              <Pagination
+                responsive
+                showLessItems
+                showQuickJumper
+                showSizeChanger
+                onChange={onPaginationChange}
+                pageSize={pagination.pageSize}
+                pageSizeOptions={[10, 30, 60, 90]}
+                current={pagination.current}
+                total={total}
+              />
+            </div>
+          </Flex>
+
+          {documentInfo.type === 'pdf' && (
+            <section className={styles.documentPreview}>
+              <DocumentPreview></DocumentPreview>
+            </section>
+          )}
+        </Flex>
       </div>
       <CreatingModal doc_id={documentId} chunkId={chunkId} />
     </>

web/src/pages/add-knowledge/components/knowledge-chunk/model.ts

   chunk_id: string;
   doc_id: string;
   chunkInfo: any;
-  documentInfo: Partial<IKnowledgeFile>;
+  documentInfo: IKnowledgeFile;
   available?: number;
 }
 
     chunk_id: '',
     doc_id: '',
     chunkInfo: {},
-    documentInfo: {},
+    documentInfo: {} as IKnowledgeFile,
     pagination: {
       current: 1,
       pageSize: 10,

web/src/pages/add-knowledge/components/knowledge-file/model.ts

 import { BaseState } from '@/interfaces/common';
 import { IKnowledgeFile } from '@/interfaces/database/knowledge';
-import kbService from '@/services/kbService';
+import kbService, { getDocumentFile } from '@/services/kbService';
 import { message } from 'antd';
 import omit from 'lodash/omit';
 import pick from 'lodash/pick';
         yield put({ type: 'setFileThumbnails', payload: data.data });
       }
     },
+    *fetch_document_file({ payload = {} }, { call }) {
+      const documentId = payload;
+      try {
+        const ret = yield call(getDocumentFile, documentId);
+        console.info('fetch_document_file:', ret);
+        return ret;
+      } catch (error) {
+        console.warn(error);
+      }
+    },
   },
 };
 export default model;

web/src/pages/add-knowledge/components/knowledge-testing/testing-result/index.tsx

           <span className={styles.similarityCircle}>
             {((item[x.field] as number) * 100).toFixed(2)}%
           </span>
-          <span className={styles.similarityText}>Hybrid Similarity</span>
+          <span className={styles.similarityText}>{x.label}</span>
         </Space>
       ))}
     </Flex>

web/src/services/kbService.ts

 import api from '@/utils/api';
 import registerServer from '@/utils/registerServer';
 import request from '@/utils/request';
+import pureRequest from 'umi-request';
 
 const {
   create_kb,
   retrieval_test,
   document_rename,
   document_run,
+  get_document_file,
 } = api;
 
 const methods = {
 
 const kbService = registerServer<keyof typeof methods>(methods, request);
 
+export const getDocumentFile = (documentId: string) => {
+  return pureRequest(get_document_file + '/' + documentId, {
+    responseType: 'blob',
+    method: 'get',
+    parseResponse: false,
+    // getResponse: true,
+  })
+    .then((res) => {
+      const x = res.headers.get('content-disposition');
+      console.info(res);
+      console.info(x);
+      return res.blob();
+    })
+    .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);
+    });
+};
+
 export default kbService;

web/src/utils/api.ts

   document_run: `${api_host}/document/run`,
   document_change_parser: `${api_host}/document/change_parser`,
   document_thumbnails: `${api_host}/document/thumbnails`,
+  get_document_file: `${api_host}/document/get`,
 
   setDialog: `${api_host}/dialog/set`,
   getDialog: `${api_host}/dialog/get`,

web/src/utils/request.ts

  * 请求response拦截器
  * */
 
-request.interceptors.response.use(async (response: any, request) => {
+request.interceptors.response.use(async (response: any, options) => {
+  if (options.responseType === 'blob') {
+    return response;
+  }
   const data: ResponseType = await response.clone().json();
   // response 拦截