EventsDB: fix plaintext search queries

src/storages/EventsDB.test.ts

@@ -221,3 +221,26 @@ Deno.test("throws a RelayError when querying an event with a large 'kind'", asyn
     'kind filter too far into the future',
   );
 });
+
+Deno.test('NPostgres.query with search', async (t) => {
+  await using db = await createTestDB({ pure: true });
+  const { store } = db;
+
+  const eventA = genEvent({ kind: 1, content: 'Fediverse is vegan' });
+  const eventB = genEvent({ kind: 1, content: 'Im vegan btw' });
+
+  await store.event(eventA);
+  await store.event(eventB);
+
+  await t.step('match single event', async () => {
+    assertEquals(await store.query([{ search: 'Fediverse' }]), [eventA]);
+  });
+
+  await t.step('match multiple events', async () => {
+    assertEquals(await store.query([{ search: 'vegan' }]), [eventA, eventB]);
+  });
+
+  await t.step("don't match nonsense queries", async () => {
+    assertEquals(await store.query([{ search: "this shouldn't match" }]), []);
+  });
+});

src/storages/EventsDB.ts

@@ -337,7 +337,7 @@ class EventsDB extends NPostgres {
 
         // Re-serialize the search string without the domain key. :facepalm:
         filter.search = tokens
-          .filter((t) => typeof t === 'object' && t.key !== 'domain')
+          .filter((t) => typeof t === 'string' || typeof t === 'object' && t.key !== 'domain')
           .map((t) => typeof t === 'object' ? `${t.key}:${t.value}` : t)
           .join(' ');
       }