From 8807fce15bfdab14ad95c1c0e960a97d93c0e5ba Mon Sep 17 00:00:00 2001
From: Claudio Ortolina <cloud8421@gmail.com>
Date: Thu, 18 Sep 2025 21:45:40 +0300
Subject: [PATCH] Don't assume webp accept is at the beginning

---
 .../controllers/asset_controller.ex                 | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/music_library_web/controllers/asset_controller.ex b/lib/music_library_web/controllers/asset_controller.ex
index 5e514116..1c18274f 100644
--- a/lib/music_library_web/controllers/asset_controller.ex
+++ b/lib/music_library_web/controllers/asset_controller.ex
@@ -48,9 +48,16 @@ defmodule MusicLibraryWeb.AssetController do
   end
 
   defp pick_format(conn) do
-    case get_req_header(conn, "accept") do
-      ["image/webp" <> _] -> "image/webp"
-      _ -> "image/jpeg"
+    accept =
+      case get_req_header(conn, "accept") do
+        [] -> ""
+        [value] -> value
+      end
+
+    if String.contains?(accept, "image/webp") do
+      "image/webp"
+    else
+      "image/jpeg"
     end
   end