From 532d77a02d857379686eefb6a5449761a14f7787 Mon Sep 17 00:00:00 2001
From: specCon18 <steven.carpenter@skdevstudios.com>
Date: Thu, 19 Jun 2025 21:09:56 -0400
Subject: [PATCH] added cache invalidation

---
 main.go | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index ca141b3..c884e13 100644
--- a/main.go
+++ b/main.go
@@ -81,6 +81,17 @@ func getCachedUpdates(feedURL string) ([]Update, error) {
 	return updates, nil
 }
 
+func invalidateCache(w http.ResponseWriter, r *http.Request) {
+	cacheMu.Lock()
+	defer cacheMu.Unlock()
+
+	cachedUpdates = nil
+	cacheExpiry = time.Time{} // zero time to force refresh on next request
+
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte("Cache invalidated\n"))
+}
+
 func updatesHandler(w http.ResponseWriter, r *http.Request) {
 	const feedURL = "https://steamdb.info/api/PatchnotesRSS/?appid=1874880"
 
@@ -98,7 +109,9 @@ func updatesHandler(w http.ResponseWriter, r *http.Request) {
 
 func main() {
 	http.HandleFunc("/updates", updatesHandler)
-	log.Println("Listening on http://localhost:8080/updates")
+	http.HandleFunc("/invalidate-cache", invalidateCache)
+
+	log.Println("Listening on http://localhost:8080/")
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }