From db1115f19edaf165cb1b813fc90a99599dec33b0 Mon Sep 17 00:00:00 2001
From: ddotthomas <ddotthomas@gmail.com>
Date: Mon, 1 Jan 2024 19:36:18 -0700
Subject: [PATCH] fix: add comma separator and format macro

---
 src/server/routes/search.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/server/routes/search.rs b/src/server/routes/search.rs
index 25ddc9a..35bd9ad 100644
--- a/src/server/routes/search.rs
+++ b/src/server/routes/search.rs
@@ -138,7 +138,7 @@ async fn results(
 
         // We sort the list of engine so the cache keys will match between users. The cookie's list of engines is unordered.
         engines.sort();
-        cache_key = cache_key + &(engines.join(""));
+        cache_key = format!("{}{}", cache_key, engines.join(","));
     } else {
         let mut engines: Vec<String> = config
             .upstream_search_engines
@@ -148,7 +148,7 @@ async fn results(
             .collect();
 
         engines.sort();
-        cache_key = cache_key + &(engines.join(""));
+        cache_key = format!("{}{}", cache_key, engines.join(","));
     }
 
     // fetch the cached results json.