From 59b7a3eed8119be463475e21fc1046ff1dfbcc8d Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Wed, 16 Aug 2023 15:32:02 -0500
Subject: [PATCH] db/events: perform multiple filters with one union query,
 greatly simplify logic

---
 src/db/events.ts | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/db/events.ts b/src/db/events.ts
index 2f29189..15e24f4 100644
--- a/src/db/events.ts
+++ b/src/db/events.ts
@@ -106,11 +106,10 @@ function getFilterQuery(filter: DittoFilter) {
 
 /** Get events for filters from the database. */
 async function getFilters<K extends number>(filters: DittoFilter<K>[]): Promise<SignedEvent<K>[]> {
-  const queries = filters
+  const events = await filters
     .map(getFilterQuery)
-    .map((query) => query.execute());
-
-  const events = (await Promise.all(queries)).flat();
+    .reduce((acc, curr) => acc.union(curr))
+    .execute();
 
   return events.map((event) => (
     { ...event, tags: JSON.parse(event.tags) } as SignedEvent<K>