added Callback and custon notification Toast, client notification event handler

apps/dispatch-server/modules/expressMiddleware.ts

@@ -0,0 +1,24 @@
+import { prisma, User } from "@repo/db";
+import { NextFunction } from "express";
+
+interface AttachUserRequest extends Request {
+	user?: User | null;
+}
+
+interface AttachUserMiddleware {
+	(req: AttachUserRequest, res: Response, next: NextFunction): Promise<void>;
+}
+
+export const authMiddleware: AttachUserMiddleware = async (req, res, next) => {
+	const authHeader = (req.headers as any).authorization;
+	if (authHeader && authHeader.startsWith("User ")) {
+		const userId = authHeader.split(" ")[1];
+		const user = await prisma.user.findFirst({
+			where: {
+				id: userId,
+			},
+		});
+		req.user = user;
+	}
+	next();
+};