nice flow and all working!!!!

services/linkService.tsx

@@ -0,0 +1,24 @@
+import {
+  addDoc,
+  collection,
+  doc,
+  Firestore,
+  getFirestore,
+  serverTimestamp,
+  setDoc,
+} from "firebase/firestore";
+import Link, { LinkState } from "../models/link";
+import { Collections } from "./collections";
+
+export class LinkService {
+  private db: Firestore = getFirestore();
+
+  async updateLinkState(linkId: string, newState: LinkState) {
+    const docRef = doc(this.db, Collections.links, linkId);
+    await setDoc(
+      docRef,
+      { state: newState, lastUpdatedDate: serverTimestamp() },
+      { merge: true }
+    );
+  }
+}