creating announcement easy done

services/announcementService.tsx

@@ -0,0 +1,27 @@
+import {
+  addDoc,
+  collection,
+  doc,
+  Firestore,
+  getFirestore,
+  serverTimestamp,
+  setDoc,
+} from "firebase/firestore";
+import { AnnouncementState } from "../models/announcement";
+import { Collections } from "./collections";
+
+export class AnnouncementService {
+  private db: Firestore = getFirestore();
+
+  async updateAnnouncementState(
+    announcementId: string,
+    newState: AnnouncementState
+  ) {
+    const docRef = doc(this.db, Collections.announcements, announcementId);
+    await setDoc(
+      docRef,
+      { state: newState, lastUpdatedDate: serverTimestamp() },
+      { merge: true }
+    );
+  }
+}

services/sendService.tsx

@@ -5,6 +5,7 @@ import {
   getFirestore,
   serverTimestamp,
 } from "firebase/firestore";
+import Announcement from "../models/announcement";
 import Link from "../models/link";
 import { Message } from "../models/message";
 import { Collections } from "./collections";
@@ -31,4 +32,11 @@ export class SendService {
       createdDate: serverTimestamp(),
     });
   }
+
+  async sendAnnouncement(announcement: Announcement) {
+    await addDoc(collection(this.db, Collections.announcements), {
+      ...announcement,
+      createdDate: serverTimestamp(),
+    });
+  }
 }