From 32c5b4088538b1a331962334621d0cab6c211e75 Mon Sep 17 00:00:00 2001
From: ajgeiss0702 <aj@ajg0702.us>
Date: Sun, 15 Sep 2024 17:28:17 -0700
Subject: [PATCH] fetch less often when not near wan or if wan already started

---
 src/fetchers/youtube/scrape.ts | 13 ++++++++++++-
 src/utils.ts                   | 10 ++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 src/utils.ts

diff --git a/src/fetchers/youtube/scrape.ts b/src/fetchers/youtube/scrape.ts
index 24b8c3f..a4df3ac 100644
--- a/src/fetchers/youtube/scrape.ts
+++ b/src/fetchers/youtube/scrape.ts
@@ -1,15 +1,24 @@
 import { CHANNEL, v } from './index';
 import { Env } from '../../worker';
+import { isNearWan } from '../../utils';
 
 
 let lastIdFetch = 0;
 let lastId: string | undefined;
 
+let lastHadId = 0;
+
 let wEnv: Env;
 
 export async function getLivestreamId(env: Env) {
 	wEnv = env;
-	if(Date.now() - lastIdFetch < 10e3) {
+	let cacheTime = isNearWan() ? 10e3 : 30e3;
+	if(Date.now() - lastIdFetch < cacheTime) {
+		return lastId;
+	}
+
+	// If we have an id (they are live) then dont update as often (only once per minute)
+	if(Date.now() - lastHadId < 60e3) {
 		return lastId;
 	}
 
@@ -58,6 +67,8 @@ async function realGetLivestreamId() {
 		return undefined;
 	}
 
+	lastHadId = Date.now();
+
 	return v;
 }
 
diff --git a/src/utils.ts b/src/utils.ts
new file mode 100644
index 0000000..7c854ee
--- /dev/null
+++ b/src/utils.ts
@@ -0,0 +1,10 @@
+export function isNearWan(now?: Date) {
+	const d = now ? now : new Date();
+	if(d.getUTCDay() === 5) {
+		return d.getUTCHours() > 20;
+	} else if(d.getUTCDay() === 6) {
+		return d.getUTCHours() <= 11;
+	} else {
+		return false;
+	}
+}