dashboard v1

Structures/NotificationStore.js

@@ -0,0 +1,86 @@
+const MAX_NOTIFICATIONS = 50;
+
+/** @type {Map<string, object>} */
+const byId = new Map();
+/** @type {string[]} */
+let order = [];
+
+/**
+ * @param {object} input
+ * @param {string} [input.id] Stable id replaces existing (e.g. update-available)
+ */
+function add(input) {
+  const id =
+    input.id ||
+    `n-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+
+  const item = {
+    id,
+    type: input.type || "info",
+    title: input.title || "Notification",
+    message: input.message || "",
+    href: input.href || null,
+    createdAt: input.createdAt || Date.now(),
+    read: false,
+  };
+
+  if (byId.has(id)) {
+    order = order.filter((x) => x !== id);
+  }
+
+  byId.set(id, item);
+  order.unshift(id);
+
+  while (order.length > MAX_NOTIFICATIONS) {
+    const removed = order.pop();
+    if (removed) byId.delete(removed);
+  }
+
+  return item;
+}
+
+function list() {
+  return order.map((id) => byId.get(id)).filter(Boolean);
+}
+
+function unreadCount() {
+  let n = 0;
+  for (const item of byId.values()) {
+    if (!item.read) n++;
+  }
+  return n;
+}
+
+function markRead(ids) {
+  if (ids === "all") {
+    for (const item of byId.values()) {
+      item.read = true;
+    }
+    return;
+  }
+  for (const id of ids) {
+    const item = byId.get(id);
+    if (item) item.read = true;
+  }
+}
+
+function dismiss(id) {
+  if (!byId.has(id)) return false;
+  byId.delete(id);
+  order = order.filter((x) => x !== id);
+  return true;
+}
+
+function clear() {
+  byId.clear();
+  order = [];
+}
+
+module.exports = {
+  add,
+  list,
+  unreadCount,
+  markRead,
+  dismiss,
+  clear,
+};