Molodetz blogrol volgens DPP-template

2026-10-05 09:36:20 +02:00
commit f290a4c766
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+// retoor <retoor@molodetz.nl>
+import { Http } from "./Http.js";
+import { Poller } from "./Poller.js";
+
+export class PresenceManager {
+  constructor() {
+    this.online = new Set();
+    this.poller = null;
+    if (document.querySelector("[data-presence-uid]")) {
+      this.poller = new Poller(() => this.refresh(), 20000, { immediate: false }).start();
+    }
+  }
+
+  async refresh() {
+    const roster = await Http.getJson("/presence/roster");
+    this.online = new Set(roster.online || []);
+    this.render();
+  }
+
+  render() {
+    document.querySelectorAll("[data-presence-uid]").forEach((dot) => {
+      dot.classList.toggle("online", this.online.has(dot.dataset.presenceUid));
+    });
+  }
+}