Add XLSX export as Excel

package-lock.json

@@ -27,6 +27,7 @@
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+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
+      "integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA=="
+    },
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@@ -47854,6 +48111,30 @@
       "integrity": "sha512-2c6faOUH/nhoQN6abwMloF7Iyl0ZS2E9HGtsiLrWn0zOOMWlhtDmdf/uihDt6jnuCxgtwGBNy6Onsoy2s2O2Ow==",
       "dev": true
     },
+    "xlsx": {
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.17.0.tgz",
+      "integrity": "sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==",
+      "requires": {
+        "adler-32": "~1.2.0",
+        "cfb": "^1.1.4",
+        "codepage": "~1.14.0",
+        "commander": "~2.17.1",
+        "crc-32": "~1.2.0",
+        "exit-on-epipe": "~1.0.1",
+        "fflate": "^0.3.8",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.17.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
+          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg=="
+        }
+      }
+    },
     "xml": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/xml/-/xml-1.0.1.tgz",

package.json

@@ -84,6 +84,7 @@
     "angularx-social-login": "^4.0.1",
     "bootstrap": "4.6.0",
     "dayjs": "1.10.5",
+    "file-saver": "^2.0.5",
     "jquery": "^3.6.0",
     "ngx-infinite-scroll": "10.0.1",
     "ngx-webstorage": "8.0.0",
@@ -93,6 +94,7 @@
     "swiper": "^6.7.5",
     "tslib": "2.3.0",
     "webstomp-client": "1.2.6",
+    "xlsx": "^0.17.0",
     "zone.js": "0.11.4"
   },
   "devDependencies": {
@@ -103,6 +105,7 @@
     "@angular/compiler-cli": "12.0.5",
     "@angular/service-worker": "12.0.5",
     "@types/bootstrap": "^5.0.17",
+    "@types/file-saver": "^2.0.3",
     "@types/jest": "26.0.23",
     "@types/jquery": "^3.5.6",
     "@types/node": "15.12.2",

src/main/webapp/app/entities/dashboard/dashboard-admin/dashboard-admin.component.html

@@ -1 +1,2 @@
 <p>dashboard-admin works!</p>
+<button type="button" class="ds-btn ds-btn--primary" (click)="exportReportesGeneralesAdministrador()">Export as Excel</button>

src/main/webapp/app/entities/dashboard/dashboard-admin/dashboard-admin.component.ts

@@ -1,4 +1,6 @@
 import { Component, OnInit } from '@angular/core';
+import * as FileSaver from 'file-saver';
+import * as XLSX from 'xlsx';
 
 @Component({
   selector: 'jhi-dashboard-admin',
@@ -8,5 +10,50 @@ import { Component, OnInit } from '@angular/core';
 export class DashboardAdminComponent implements OnInit {
   constructor() {}
 
+  EXCEL_TYPE: string = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8';
+  EXCEL_EXTENSION: string = '.xlsx';
+
   ngOnInit(): void {}
+
+  exportAsExcelFile = (sheetNames: string[], arrayOfData: any[], excelFileName: any) => {
+    const workbook = XLSX.utils.book_new();
+
+    arrayOfData.forEach((data, index) => {
+      let sheetName = sheetNames[index];
+      let worksheet = XLSX.utils.json_to_sheet([data]);
+      XLSX.utils.book_append_sheet(workbook, worksheet, sheetName);
+    });
+
+    const excelBuffer = XLSX.write(workbook, { bookType: 'xlsx', type: 'array' });
+    this.saveAsExcelFile(excelBuffer, excelFileName);
+  };
+
+  saveAsExcelFile = (buffer: any, fileName: any) => {
+    const data = new Blob([buffer], { type: this.EXCEL_TYPE });
+    FileSaver.saveAs(
+      data,
+      fileName +
+        '_' +
+        new Date().toLocaleDateString().substr(0, 10).split('/').join('-') +
+        '_' +
+        Math.random().toString().substring(2) +
+        this.EXCEL_EXTENSION
+    );
+  };
+
+  exportReportesGeneralesAdministrador(): void {
+    /*
+      Cantidad de usuarios activos
+      Cantidad de usuarios bloqueados
+      Cantidad de encuestas publicadas por categoría
+      Cantidad de encuestas finalizadas por categoría
+      Cantidad de encuestas publicadas por mes y año
+    */
+
+    const _sheets = ['reportes generales'];
+    const _reporteUsuarios = { usuarios_activos: 100, usuarios_bloqueados: 50 };
+
+    const _excelFinalData = [_reporteUsuarios];
+    this.exportAsExcelFile(_sheets, _excelFinalData, 'reporte_general');
+  }
 }