From a1ec7c748739bcc204fec9afaaadfdcad1c212fd Mon Sep 17 00:00:00 2001
From: Julian Gruber <julian@juliangruber.com>
Date: Mon, 14 Oct 2024 00:18:33 +0200
Subject: [PATCH] fix stream log to avoid fly.io 502 error

---
 index.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 8b7a883..db2cb0a 100644
--- a/index.js
+++ b/index.js
@@ -273,7 +273,9 @@ async function handleGetSingleScheduledRewards (req, res, redis) {
 }
 
 async function handleGetLog (res, redis) {
-  const log = []
+  res.setHeader('Content-Type', 'application/json')
+  res.write('[')
+
   // Fetch logs in batches to avoid upstash request size limit
   // https://upstash.com/docs/redis/troubleshooting/max_request_size_exceeded
   let offset = 0
@@ -283,12 +285,11 @@ async function handleGetLog (res, redis) {
     if (batch.length === 0) {
       break
     }
-    log.push(...batch)
     offset += batchSize
+    res.write(batch.join(','))
   }
 
-  res.setHeader('Content-Type', 'application/json')
-  res.end(`[${log.join(',')}]`)
+  res.end(']')
 }
 
 const errorHandler = (res, err, logger) => {