From eb2b68fab0a9bda212c455220f885183a705e7ad Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Tue, 23 Jan 2024 00:06:13 -0300
Subject: [PATCH] sitio: precachear query index

---
 sitio/src/routes/+page.server.ts | 38 +++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 15 deletions(-)

diff --git a/sitio/src/routes/+page.server.ts b/sitio/src/routes/+page.server.ts
index fb92f70..d6ec90e 100644
--- a/sitio/src/routes/+page.server.ts
+++ b/sitio/src/routes/+page.server.ts
@@ -3,20 +3,9 @@ import { db, schema } from "$lib/server/db";
 const { precios } = schema;
 import { sql } from "drizzle-orm";
 
-let cache: null | { key: Date; data: { precios: Precios } } = null;
+let cache: Promise<{ key: Date; data: { precios: Precios } }> = doQuery();
 
-type Precios = {
-  ean: string;
-  name: string | null;
-  imageUrl: string | null;
-}[];
-
-export const load: PageServerLoad = async ({
-  params,
-}): Promise<{ precios: Precios }> => {
-  if (cache && +new Date() < +cache.key + 1000 * 60 * 10) {
-    return cache.data;
-  }
+async function doQuery() {
   const q = db
     .select({
       ean: precios.ean,
@@ -30,6 +19,25 @@ export const load: PageServerLoad = async ({
     .limit(150);
   const res = await q;
   const data = { precios: res };
-  cache = { key: new Date(), data };
-  return data;
+  return { key: new Date(), data };
+}
+
+setInterval(
+  async () => {
+    const c = await doQuery();
+    cache = Promise.resolve(c);
+  },
+  4 * 60 * 60 * 1000,
+);
+
+type Precios = {
+  ean: string;
+  name: string | null;
+  imageUrl: string | null;
+}[];
+
+export const load: PageServerLoad = async ({
+  params,
+}): Promise<{ precios: Precios }> => {
+  return (await cache).data;
 };