From dae705ccbc10d3015cc3b67054c5eee032b4ead7 Mon Sep 17 00:00:00 2001
From: Adam Wisher <37659188+mrwish7@users.noreply.github.com>
Date: Sat, 31 May 2025 14:38:07 +0100
Subject: [PATCH] Limit multiple matches

Only return a max of 10 extra TX matches and filter any with a score less than 1/10 of the winner
---
 server/tx_search.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server/tx_search.js b/server/tx_search.js
index 33c8eef..e17c850 100644
--- a/server/tx_search.js
+++ b/server/tx_search.js
@@ -191,9 +191,13 @@ async function fetchTx(freq, piCode, rdsPs) {
         for (loc of filteredLocations) {
             loc.score = evaluateStation(loc);
         }
+        // Sort by score in descending order
         filteredLocations.sort((a, b) => b.score - a.score);
         match = filteredLocations[0];
-        multiMatches = filteredLocations.slice(1);
+        // Have a maximum of 10 extra matches and remove any with less than 1/10 of the winning score
+        multiMatches = filteredLocations
+            .slice(1, 11)
+            .filter(obj => obj.score >= (match.score/10));
     } else if (filteredLocations.length === 1) {
         match = filteredLocations[0];
         match.score = 1;