v3: follows, notifications, invite-only registration, unread markers

api/services/ws-service.ts

@@ -1,4 +1,9 @@
-import type { Comment, Dump, OnlineUser, Playlist } from "../model/interfaces.ts";
+import type {
+  Comment,
+  Dump,
+  OnlineUser,
+  Playlist,
+} from "../model/interfaces.ts";
 
 export interface WsClient {
   socket: WebSocket;
@@ -46,6 +51,14 @@ function send(socket: WebSocket, data: unknown): void {
   }
 }
 
+export function sendToUser(userId: string, data: unknown): void {
+  for (const client of clients) {
+    if (client.userId === userId) {
+      send(client.socket, data);
+    }
+  }
+}
+
 export function broadcastPresence(): void {
   const users = getOnlineUsers();
   for (const client of clients) {
@@ -136,7 +149,10 @@ export function broadcastCommentCreated(comment: Comment): void {
   }
 }
 
-export function broadcastCommentDeleted(commentId: string, dumpId: string): void {
+export function broadcastCommentDeleted(
+  commentId: string,
+  dumpId: string,
+): void {
   for (const client of clients) {
     send(client.socket, { type: "comment_deleted", commentId, dumpId });
   }