Revert "Merge branch 'dataExtraction' into 'master'"

This reverts merge request !2

.gitignore

@@ -6,7 +6,6 @@
 /logs
 /video
 /files
-/data
 *test*
 *.logs
 *.zip

package.json

@@ -23,9 +23,7 @@
     "request": "^2.88.0",
     "svg-captcha": "^1.3.12",
     "tencentcloud-sdk-nodejs": "^4.0.562",
-    "ts-node": "^10.9.2",
     "ws": "^5.2.2",
-    "xlsx": "^0.18.5",
     "xml2js": "^0.4.23"
   },
   "scripts": {
@@ -46,10 +44,5 @@
       "video/**/*"
     ],
     "outputPath": "dist"
-  },
-  "devDependencies": {
-    "@types/jest": "^29.5.12",
-    "jest": "^29.7.0",
-    "ts-jest": "^29.1.5"
   }
 }

src/component/data_extractor.ts

-import { join } from 'path';
-import { readdirSync, readFileSync } from 'fs';
-import * as XLSX from 'xlsx';
-
-export class DataExtractor {
-    private static instance: DataExtractor;
-    private data: { [key: string]: any } = {};
-
-    private constructor() {
-        this.loadAllData();
-    }
-
-    public static getInstance(): DataExtractor {
-        if (!DataExtractor.instance) {
-            DataExtractor.instance = new DataExtractor();
-        }
-        return DataExtractor.instance;
-    }
-
-    private loadAllData(): void {
-        const dirPath = join(__dirname, '../../data');
-        const files = readdirSync(dirPath).filter(file => file.endsWith('.xlsx'));
-        console.log("Path is " + files);
-
-        files.forEach(file => {
-            const filePath = join(dirPath, file);
-            this.data[file] = this.parseExcel(filePath);
-        });
-    }
-
-    private parseExcel(filePath: string): any {
-        const file = readFileSync(filePath);
-        const workbook = XLSX.read(file, { type: 'buffer' });
-        const sheetNames = workbook.SheetNames;
-        const data = sheetNames.map(sheetName => ({
-            sheetName,
-            data: XLSX.utils.sheet_to_json(workbook.Sheets[sheetName])
-        }));
-        return data;
-    }
-
-    public getData(fileName: string): any {
-        return this.data[fileName];
-    }
-
-    public getAvailableFiles(): string[] {
-        return Object.keys(this.data);
-    }
-}