From c85a0edb7c94400456d983d8a4a52198eeb3d51f Mon Sep 17 00:00:00 2001
From: Elmar Kresse <elmar.kresse@stud.htwk-leipzig.de>
Date: Sat, 5 Oct 2024 00:49:59 +0200
Subject: [PATCH] feat:#56 updated ifNoneMatch

---
 services/ical/service/routes.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/services/ical/service/routes.go b/services/ical/service/routes.go
index 99117fe..d94f2b1 100644
--- a/services/ical/service/routes.go
+++ b/services/ical/service/routes.go
@@ -34,12 +34,17 @@ func AddFeedRoutes(app model.AppType) {
 	app.Fiber.Get("/api/feed", func(c fiber.Ctx) error {
 
 		token := c.Query("token")
+		ifNoneMatch := c.Get("If-None-Match")
 		results, eTag, err := ical.Feed(app, token)
 
 		if errors.Is(err, ical.FeedDeletedError) {
 			return c.SendStatus(fiber.StatusGone)
 		}
 
+		if ifNoneMatch == eTag {
+			return c.SendStatus(fiber.StatusNotModified)
+		}
+
 		if err != nil {
 			slog.Error("Failed to get feed", "error", err, "token", token)
 			return c.SendStatus(fiber.StatusNotFound)