added access variable to exams soo we can distinguish private, public and confidential exams and also bugfixes and improvements

src/utils/users.ts

@@ -1,8 +1,9 @@
-import {WithLabeledEntities} from "@/interfaces/entity";
-import {User} from "@/interfaces/user";
-import {USER_TYPE_LABELS} from "@/resources/user";
-import {capitalize} from "lodash";
+import { WithLabeledEntities } from "@/interfaces/entity";
+import { User } from "@/interfaces/user";
+import { USER_TYPE_LABELS } from "@/resources/user";
+import { capitalize } from "lodash";
 import moment from "moment";
+import ExcelJS from "exceljs";
 
 export interface UserListRow {
 	name: string;
@@ -17,6 +18,22 @@ export interface UserListRow {
 	gender: string;
 }
 
+const indexToLetter = (index: number): string => {
+	// Base case: if the index is less than 0, return an empty string
+	if (index < 0) {
+		return '';
+	}
+
+	// Calculate the quotient for recursion (number of times the letter sequence repeats)
+	const quotient = Math.floor(index / 26);
+
+	// Calculate the remainder for the current letter
+	const remainder = index % 26;
+
+	// Recursively call indexToLetter for the quotient and append the current letter
+	return indexToLetter(quotient - 1) + String.fromCharCode(65 + remainder);
+};
+
 export const exportListToExcel = (rowUsers: WithLabeledEntities<User>[]) => {
 	const rows: UserListRow[] = rowUsers.map((user) => ({
 		name: user.name,
@@ -33,10 +50,31 @@ export const exportListToExcel = (rowUsers: WithLabeledEntities<User>[]) => {
 		gender: user.demographicInformation?.gender ? capitalize(user.demographicInformation.gender) : "N/A",
 		verified: user.isVerified?.toString() || "FALSE",
 	}));
-	const header = "Name,Email,Type,Entities,Expiry Date,Country,Phone,Employment/Department,Gender,Verification";
-	const rowsString = rows.map((x) => Object.values(x).join(",")).join("\n");
+	const workbook = new ExcelJS.Workbook();
+	const worksheet = workbook.addWorksheet("User Data");
+	const border: Partial<ExcelJS.Borders> = { top: { style: 'thin' as ExcelJS.BorderStyle }, left: { style: 'thin' as ExcelJS.BorderStyle }, bottom: { style: 'thin' as ExcelJS.BorderStyle }, right: { style: 'thin' as ExcelJS.BorderStyle } }
+	const header = ['Name', 'Email', 'Type', 'Entities', 'Expiry Date', 'Country', 'Phone', 'Employment/Department', 'Gender', 'Verification'].forEach((item, index) => {
+		const cell = worksheet.getCell(`${indexToLetter(index)}1`);
+		const column = worksheet.getColumn(index + 1);
+		column.width = item.length * 2;
+		cell.value = item;
+		cell.font = { bold: true, size: 16 };
+		cell.border = border;
 
-	return `${header}\n${rowsString}`;
+	});
+	rows.forEach((x, index) => {
+		(Object.keys(x) as (keyof UserListRow)[]).forEach((key, i) => {
+			const cell = worksheet.getCell(`${indexToLetter(i)}${index + 2}`);
+			cell.value = x[key];
+			if (index === 0) {
+				const column = worksheet.getColumn(i + 1);
+				column.width = Math.max(column.width ?? 0, x[key].toString().length * 2);
+			}
+			cell.border = border;
+		});
+	})
+
+	return workbook.xlsx.writeBuffer();
 };
 
 export const getUserName = (user?: User) => {