From c68497159ff2eb423d75878f1900668c9f4f1d1b Mon Sep 17 00:00:00 2001
From: Daniel Waterworth <me@danielwaterworth.com>
Date: Mon, 10 Apr 2023 13:54:55 -0500
Subject: [PATCH] FIX: Use string for postgres recently readonly
 DistributedCache (#21040)

Since DistributedCaches don't marshal timestamps
---
 lib/discourse.rb | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/discourse.rb b/lib/discourse.rb
index 2256998421d..1c7b1a31abe 100644
--- a/lib/discourse.rb
+++ b/lib/discourse.rb
@@ -715,13 +715,10 @@ module Discourse
   end
 
   def self.postgres_recently_readonly?
-    timestamp =
-      postgres_last_read_only.defer_get_set("timestamp") do
-        seconds = redis.get(LAST_POSTGRES_READONLY_KEY)
-        Time.zone.at(seconds.to_i) if seconds
-      end
+    seconds =
+      postgres_last_read_only.defer_get_set("timestamp") { redis.get(LAST_POSTGRES_READONLY_KEY) }
 
-    timestamp.present? && timestamp > 15.seconds.ago
+    seconds ? Time.zone.at(seconds.to_i) > 15.seconds.ago : false
   end
 
   def self.recently_readonly?