Notifications interface (#5354)

Co-authored-by: Apoorv Mishra <apoorvmishra101092@gmail.com>

server/presenters/notification.ts

@@ -0,0 +1,26 @@
+import { Notification } from "@server/models";
+import presentUser from "./user";
+import { presentComment, presentDocument } from ".";
+
+export default async function presentNotification(notification: Notification) {
+  return {
+    id: notification.id,
+    viewedAt: notification.viewedAt,
+    archivedAt: notification.archivedAt,
+    createdAt: notification.createdAt,
+    event: notification.event,
+    userId: notification.userId,
+    actorId: notification.actorId,
+    actor: notification.actor ? presentUser(notification.actor) : undefined,
+    commentId: notification.commentId,
+    comment: notification.comment
+      ? presentComment(notification.comment)
+      : undefined,
+    documentId: notification.documentId,
+    document: notification.document
+      ? await presentDocument(notification.document)
+      : undefined,
+    revisionId: notification.revisionId,
+    collectionId: notification.collectionId,
+  };
+}