added excel download button to the pages

compendium-frontend/package.json

@@ -54,7 +54,8 @@
     "react-chartjs-2": "^5.1.0",
     "react-dom": "^18.2.0",
     "react-icons": "4.8.0",
-    "react-router-dom": "^6.5.0"
+    "react-router-dom": "^6.5.0",
+    "xlsx": "^0.18.5"
   },
   "description": "## development environment",
   "main": "index.js",

compendium-frontend/src/components/DownloadCSVButton.tsx → compendium-frontend/src/components/DownloadDataButton.tsx

 import React from 'react';
+import * as XLSX from "xlsx";
+import {ExportType} from "../helpers/constants";
+
 
 interface DownloadCSVProps {
     data: any[];
-    filename?: string;
+    filename: string;
+    exportType: ExportType;
 }
 
 
@@ -36,12 +40,48 @@ function convertToCSV(jsonData: any[]): string {
     return [header.join(','), ...rows].join('\r\n');
 }
 
+function convertToExcel(jsonData: any[], sheetName = "Sheet1"): Blob {
+    const ws = XLSX.utils.json_to_sheet(jsonData);
+    const wb = XLSX.utils.book_new();
+    XLSX.utils.book_append_sheet(wb, ws, sheetName);
+    const wbout = XLSX.write(wb, {bookType: 'xlsx', type: 'binary'});
+
+    const buffer = new ArrayBuffer(wbout.length);
+    const view = new Uint8Array(buffer);
+    for (let i = 0; i < wbout.length; i++) {
+        // Convert each character of the binary workbook string to an 8-bit integer and store in the Uint8Array 'view' for blob creation.
+        view[i] = wbout.charCodeAt(i) & 0xFF;
+    }
+
+    return new Blob([buffer], {type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8'});
+}
+
+const DownloadDataButton: React.FC<DownloadCSVProps> = ({data, filename, exportType}) => {
+
+    const downloadData = () => {
+        let convertedData;
+        let fileType;
+        let contentType ;
+
+        switch (exportType) {
+            case ExportType.EXCEL: {
+                convertedData = convertToExcel(data);
+                fileType = 'xlsx';
+                contentType = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8';
+                break;
+            }
+            case ExportType.CSV:
+            default: {
+                convertedData = convertToCSV(data);
+                fileType = 'csv';
+                contentType = 'text/csv;charset=UTF-8';
+                break;
+            }
+        }
 
-const DownloadCSVButton: React.FC<DownloadCSVProps> = ({ data, filename = 'data.csv' }) => {
+        const blob = new Blob([convertedData], {type: contentType});
+        filename = filename.endsWith(fileType) ? filename : `${filename}.${fileType}`;
 
-    const downloadCSV = () => {
-        const csv = convertToCSV(data);
-        const blob = new Blob([csv], { type: 'text/csv' });
         const link = document.createElement('a');
         link.href = URL.createObjectURL(blob);
         link.download = filename;
@@ -52,9 +92,9 @@ const DownloadCSVButton: React.FC<DownloadCSVProps> = ({ data, filename = 'data.
 
     return (
         <>
-            <button onClick={downloadCSV}>Download CSV</button>
+            <button onClick={downloadData}>Download {exportType}</button>
         </>
     );
 }
 
-export default DownloadCSVButton;
+export default DownloadDataButton;

compendium-frontend/src/helpers/constants.ts

@@ -4,4 +4,9 @@ export enum Sections {
     ConnectedUsers = 'CONNECTED USERS',
     Network = 'NETWORK',
     Services = 'SERVICES',
+}
+
+export enum ExportType {
+    CSV = "CSV",
+    EXCEL = "EXCEL",
 }
\ No newline at end of file

compendium-frontend/src/pages/Budget.tsx

@@ -6,8 +6,8 @@ import { createBudgetDataset, getYearsAndNrens, loadDataWithFilterNrenSelectionF
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter";
 import LineGraph from "../components/graphing/LineGraph";
-import { Sections } from '../helpers/constants';
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import {ExportType, Sections} from '../helpers/constants';
+import DownloadDataButton from "../components/DownloadDataButton";
 
 interface inputProps {
     filterSelection: FilterSelection
@@ -46,7 +46,8 @@ function BudgetPage({ filterSelection, setFilterSelection }: inputProps): ReactE
         fluctuation of budget over years and with other NRENs.' category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={budgetResponse} filename="budget_data.csv"/>
+                    <DownloadDataButton data={budgetResponse} filename="budget_data.csv" exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={budgetResponse} filename="budget_data.xlsx" exportType={ExportType.EXCEL}/>
                 </Row>
                 <Row>
                     <LineGraph data={budgetData} />

compendium-frontend/src/pages/ChargingStructure.tsx

@@ -7,8 +7,8 @@ import { createChargingStructureDataLookup, getYearsAndNrens, loadDataWithFilter
 import ColorPill from "../components/ColorPill";
 import DataPage from "../components/DataPage";
 import Filter from "../components/graphing/Filter";
-import { Sections } from "../helpers/constants";
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import {ExportType, Sections} from "../helpers/constants";
+import DownloadDataButton from "../components/DownloadDataButton";
 
 
 ChartJS.register(
@@ -58,7 +58,8 @@ function ChargingStructurePage({ filterSelection, setFilterSelection }: inputPro
         category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={chargingStructureData} filename="charging_mechanism_of_nrens_per_year.csv"/>
+                    <DownloadDataButton data={chargingStructureData} filename="charging_mechanism_of_nrens_per_year.csv" exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={chargingStructureData} filename="charging_mechanism_of_nrens_per_year.xlsx" exportType={ExportType.EXCEL} />
                 </Row>
                 <Table className="charging-struct-table" striped bordered responsive>
                     <colgroup>

compendium-frontend/src/pages/ECProjects.tsx

@@ -5,8 +5,8 @@ import { ECProject, FilterSelection } from "../Schema";
 import { createECProjectsDataLookup, getYearsAndNrens, loadDataWithFilterSelectionFallback } from '../helpers/dataconversion';
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter"
-import { Sections } from '../helpers/constants';
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import {ExportType, Sections} from '../helpers/constants';
+import DownloadDataButton from "../components/DownloadDataButton";
 
 
 interface inputProps {
@@ -62,7 +62,8 @@ function ECProjects({ filterSelection, setFilterSelection }: inputProps) {
         category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={projectData} filename="nren_involvement_in_european_commission_projects.csv"/>
+                    <DownloadDataButton data={projectData} filename="nren_involvement_in_european_commission_projects.csv" exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={projectData} filename="nren_involvement_in_european_commission_projects.xlsx" exportType={ExportType.EXCEL}/>
                 </Row>
                 <Table borderless className='compendium-table'>
                     <thead>

compendium-frontend/src/pages/FundingSource.tsx

@@ -8,9 +8,9 @@ import { FundingSource, FilterSelection } from "../Schema";
 import { createFundingSourceDataset, getYearsAndNrens, loadDataWithFilterSelectionFallback } from "../helpers/dataconversion";
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter"
-import { Sections } from '../helpers/constants';
+import {ExportType, Sections} from '../helpers/constants';
 import ColorBadge from '../components/ColorBadge';
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import DownloadDataButton from "../components/DownloadDataButton";
 
 export const chartOptions = {
   maintainAspectRatio: false,
@@ -157,7 +157,8 @@ function FundingSourcePage({ filterSelection, setFilterSelection }: inputProps)
       category={Sections.Organisation} filter={filterNode}>
         <>
             <Row>
-                <DownloadCSVButton data={fundingSourceData} filename="income_source_of_nren_per_year.csv"/>
+                <DownloadDataButton data={fundingSourceData} filename="income_source_of_nren_per_year.csv" exportType={ExportType.CSV}/>
+                <DownloadDataButton data={fundingSourceData} filename="income_source_of_nren_per_year.xlsx" exportType={ExportType.EXCEL}/>
             </Row>
             <div>
                 <FundingSourceLegend/>

compendium-frontend/src/pages/ParentOrganisation.tsx

-import React, { useEffect, useMemo, useState } from 'react';
+import React, {useEffect, useMemo, useState} from 'react';
 import {Row, Table} from "react-bootstrap";
 
 import { Organisation, FilterSelection } from "../Schema";
 import { createOrganisationDataLookup, getYearsAndNrens, loadDataWithFilterSelectionFallback } from "../helpers/dataconversion";
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter"
-import { Sections } from '../helpers/constants';
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import {ExportType, Sections} from '../helpers/constants';
+import DownloadDataButton from "../components/DownloadDataButton";
 
 
 function getJSXFromMap(data: Map<string, Map<number, Organisation[]>>) {
@@ -57,7 +57,8 @@ function ParentOrganisation({ filterSelection, setFilterSelection }: inputProps)
         category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={organisationData} filename="nren_parent_organisations.csv"/>
+                    <DownloadDataButton data={organisationData} filename="nren_parent_organisations.csv" exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={organisationData} filename="nren_parent_organisations.xlsx" exportType={ExportType.EXCEL}/>
                 </Row>
                 <Table borderless className='compendium-table'>
                     <thead>

compendium-frontend/src/pages/StaffGraph.tsx

@@ -6,11 +6,11 @@ import { NrenStaff, FilterSelection } from "../Schema";
 import { createNRENStaffDataset, getYearsAndNrens, loadDataWithFilterSelectionFallback } from "../helpers/dataconversion";
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter"
-import { Sections } from '../helpers/constants';
+import {ExportType, Sections} from '../helpers/constants';
 import WithLegend from '../components/WithLegend';
 import htmlLegendPlugin from '../plugins/HTMLLegendPlugin';
 import {Row} from "react-bootstrap";
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import DownloadDataButton from "../components/DownloadDataButton";
 
 ChartJS.register(
     CategoryScale,
@@ -153,14 +153,15 @@ function StaffGraph({ filterSelection, setFilterSelection, roles = false }: inpu
     ? "The graph shows the roles of NREN employees. On hovering over the graph will give the percentage of employees in that role. This graph can be used to compare, selecting multiple NRENs to see the fluctuation of roles over selected year and with other NRENs."
     : "The graph shows the types of employment for NREN employees. On hovering over the graphs will give the percentage of employees in that type of employment. This graph can be used to compare, selecting multiple NRENs to see the fluctuation of types of employment over selected year and with other NRENs.";
 
-    const filename = roles ? "roles_of_nren_employees.csv" : "types_of_employment_for_nren.csv";
+    const filename = roles ? "roles_of_nren_employees" : "types_of_employment_for_nrens";
     return (
         <DataPage title={title} 
         description={description}
         category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={staffData} filename={filename}/>
+                    <DownloadDataButton data={staffData} filename={filename} exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={staffData} filename={filename} exportType={ExportType.EXCEL}/>
                 </Row>
                 <WithLegend>
                     <div className="chart-container" style={{'height': `${height}rem`}}>

compendium-frontend/src/pages/SubOrganisation.tsx

@@ -5,8 +5,8 @@ import { Organisation, FilterSelection } from "../Schema";
 import { createOrganisationDataLookup, getYearsAndNrens, loadDataWithFilterSelectionFallback } from "../helpers/dataconversion";
 import DataPage from '../components/DataPage';
 import Filter from "../components/graphing/Filter"
-import { Sections } from '../helpers/constants';
-import DownloadCSVButton from "../components/DownloadCSVButton";
+import {ExportType, Sections} from '../helpers/constants';
+import DownloadDataButton from "../components/DownloadDataButton";
 
 
 function getJSXFromMap(data: Map<string, Map<number, Organisation[]>>) {
@@ -62,7 +62,8 @@ function SubOrganisation({ filterSelection, setFilterSelection }: inputProps) {
         category={Sections.Organisation} filter={filterNode}>
             <>
                 <Row>
-                    <DownloadCSVButton data={organisationData} filename="nren_suborganisations.csv"/>
+                    <DownloadDataButton data={organisationData} filename="nren_suborganisations.csv" exportType={ExportType.CSV}/>
+                    <DownloadDataButton data={organisationData} filename="nren_suborganisations.xlsx" exportType={ExportType.EXCEL}/>
                 </Row>
                 <Table borderless className='compendium-table'>
                     <thead>