creating announcement easy done

models/announcement.ts

@@ -0,0 +1,25 @@
+import { Timestamp } from "firebase/firestore";
+
+export default class Announcement {
+  id: string;
+  teamId: string;
+  audioDataUrl: string; // link to cloud storage file
+
+  state: AnnouncementState = AnnouncementState.active;
+
+  createdByUserId: string;
+  createdDate: Timestamp;
+  lastUpdatedDate: Timestamp;
+
+  constructor(_audioUrl: string, _teamId: string, _createdByUserId: string) {
+    this.audioDataUrl = _audioUrl;
+    this.createdByUserId = _createdByUserId;
+    this.teamId = _teamId;
+  }
+}
+
+export enum AnnouncementState {
+  active = "active",
+  resolved = "resolved",
+  deleted = "deleted",
+}