From d42cd01e950db5166643aa0c87e3f9202744f9e8 Mon Sep 17 00:00:00 2001
From: Gwendolyn <me@gwendolyn.dev>
Date: Mon, 18 Mar 2024 23:23:14 +0100
Subject: [PATCH] don't cache theme colors past a mapdata update

---
 src/c3nav/mapdata/render/theme.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/c3nav/mapdata/render/theme.py b/src/c3nav/mapdata/render/theme.py
index 76c38c16..05ad63ac 100644
--- a/src/c3nav/mapdata/render/theme.py
+++ b/src/c3nav/mapdata/render/theme.py
@@ -73,9 +73,14 @@ class ThemeColorManager:
 class ColorManager:
     themes = {}
     default_theme = None
+    cache_key = None
 
     @classmethod
     def for_theme(cls, theme):
+        from c3nav.mapdata.models import MapUpdate
+        if cls.cache_key != MapUpdate.current_cache_key:
+            cls.default_theme = None
+            cls.themes = {}
         if theme is None:
             if cls.default_theme is None:
                 cls.default_theme = ThemeColorManager()