Make notifications kind of work

src/controllers/api/notifications.ts

@@ -1,7 +1,22 @@
 import { type AppController } from '@/app.ts';
+import * as mixer from '@/mixer.ts';
+import { buildLinkHeader, paginationSchema } from '@/utils/web.ts';
+import { toNotification } from '@/transformers/nostr-to-mastoapi.ts';
+import { Time } from '@/utils.ts';
 
-const notificationsController: AppController = (c) => {
-  return c.json([]);
+const notificationsController: AppController = async (c) => {
+  const pubkey = c.get('pubkey')!;
+  const { since, until } = paginationSchema.parse(c.req.query());
+
+  const events = await mixer.getFilters(
+    [{ kinds: [1], '#p': [pubkey], since, until }],
+    { timeout: Time.seconds(3) },
+  );
+
+  const statuses = await Promise.all(events.map(toNotification));
+
+  const link = buildLinkHeader(c.req.url, events);
+  return c.json(statuses, 200, link ? { link } : undefined);
 };
 
 export { notificationsController };

src/transformers/nostr-to-mastoapi.ts

@@ -276,4 +276,24 @@ async function toRelationship(sourcePubkey: string, targetPubkey: string) {
   };
 }
 
-export { toAccount, toRelationship, toStatus };
+function toNotification(event: Event) {
+  switch (event.kind) {
+    case 1:
+      return toNotificationMention(event as Event<1>);
+  }
+}
+
+async function toNotificationMention(event: Event<1>) {
+  const status = await toStatus(event);
+  if (!status) return;
+
+  return {
+    id: event.id,
+    type: 'mention',
+    created_at: nostrDate(event.created_at).toISOString(),
+    account: status.account,
+    status: status,
+  };
+}
+
+export { toAccount, toNotification, toRelationship, toStatus };