feat: add pagination in appointment

backend/src/controllers/appointment.controller.js

@@ -1,10 +1,10 @@
 import prisma from "../prisma/client.js";
-import {sendEmail} from "../utils/sendEmail.js";
-import {getEmailsByType} from "../utils/getEmailByTypes.js";
+import { sendEmail } from "../utils/sendEmail.js";
+import { getEmailsByType } from "../utils/getEmailByTypes.js";
 
 export const createAppointment = async (req, res) => {
 	try {
-		const {name, mobileNumber, email, message, date, doctorId, departmentId} =
+		const { name, mobileNumber, email, message, date, doctorId, departmentId } =
 			req.body;
 
 		if (!name || !mobileNumber || !doctorId || !departmentId || !date) {
@@ -71,19 +71,98 @@ export const createAppointment = async (req, res) => {
 
 export const getAppointments = async (req, res) => {
 	try {
-		const appointments = await prisma.appointment.findMany({
-			include: {
-				doctor: true,
-				department: true,
-			},
-			orderBy: {
-				createdAt: "desc",
-			},
-		});
+		const page = parseInt(req.query.page);
+		const limit = parseInt(req.query.limit);
 
-		res.status(200).json({
+		const search = req.query.search || "";
+		const doctor = req.query.doctor || "";
+		const department = req.query.department || "";
+		const date = req.query.date || "";
+
+		if (!page && !limit) {
+			const appointments = await prisma.appointment.findMany({
+				include: {
+					doctor: true,
+					department: true,
+				},
+				orderBy: { createdAt: "desc" },
+			});
+
+			return res.status(200).json({
+				success: true,
+				data: appointments,
+				meta: null,
+			});
+		}
+
+		const currentPage = page || 1;
+		const currentLimit = limit || 10;
+		const skip = (currentPage - 1) * currentLimit;
+
+		const where = {
+			AND: [
+				search
+					? {
+							OR: [
+								{ name: { contains: search, mode: "insensitive" } },
+								{ mobileNumber: { contains: search } },
+								{ email: { contains: search, mode: "insensitive" } },
+							],
+						}
+					: {},
+
+				doctor
+					? {
+							doctor: {
+								name: { contains: doctor, mode: "insensitive" },
+							},
+						}
+					: {},
+
+				department
+					? {
+							department: {
+								name: { contains: department, mode: "insensitive" },
+							},
+						}
+					: {},
+
+				date
+					? {
+							date: {
+								gte: new Date(date),
+								lt: new Date(
+									new Date(date).setDate(new Date(date).getDate() + 1),
+								),
+							},
+						}
+					: {},
+			],
+		};
+
+		const [appointments, total] = await Promise.all([
+			prisma.appointment.findMany({
+				where,
+				include: {
+					doctor: true,
+					department: true,
+				},
+				orderBy: { createdAt: "desc" },
+				skip,
+				take: currentLimit,
+			}),
+			prisma.appointment.count({ where }),
+		]);
+
+		return res.status(200).json({
 			success: true,
 			data: appointments,
+			meta: {
+				total,
+				page: currentPage,
+				limit: currentLimit,
+				totalPages: Math.ceil(total / currentLimit),
+			},
 		});
 	} catch (error) {
 		console.error(error);
@@ -98,7 +177,7 @@ export const getAppointments = async (req, res) => {
 
 export const getAppointment = async (req, res) => {
 	try {
-		const {id} = req.params;
+		const { id } = req.params;
 
 		const appointment = await prisma.appointment.findUnique({
 			where: {
@@ -134,7 +213,7 @@ export const getAppointment = async (req, res) => {
 
 export const getAppointmentsByDoctor = async (req, res) => {
 	try {
-		const {doctorId} = req.params;
+		const { doctorId } = req.params;
 
 		const appointments = await prisma.appointment.findMany({
 			where: {
@@ -166,7 +245,7 @@ export const getAppointmentsByDoctor = async (req, res) => {
 
 export const getAppointmentsByDepartment = async (req, res) => {
 	try {
-		const {departmentId} = req.params;
+		const { departmentId } = req.params;
 
 		const appointments = await prisma.appointment.findMany({
 			where: {
@@ -195,7 +274,7 @@ export const getAppointmentsByDepartment = async (req, res) => {
 
 export const updateAppointment = async (req, res) => {
 	try {
-		const {id} = req.params;
+		const { id } = req.params;
 
 		const appointment = await prisma.appointment.update({
 			where: {
@@ -226,7 +305,7 @@ export const updateAppointment = async (req, res) => {
 
 export const deleteAppointment = async (req, res) => {
 	try {
-		const {id} = req.params;
+		const { id } = req.params;
 
 		await prisma.appointment.delete({
 			where: {