From aa72687db867a627097a1f5c07d2a104fbd2e808 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Mon, 21 Dec 2020 11:41:12 +0100
Subject: [PATCH] add templatetag to get list of known tiles (#49643)

---
 combo_plugin_gnm/templatetags/gnm.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/combo_plugin_gnm/templatetags/gnm.py b/combo_plugin_gnm/templatetags/gnm.py
index 3d84ed9..c8ce485 100644
--- a/combo_plugin_gnm/templatetags/gnm.py
+++ b/combo_plugin_gnm/templatetags/gnm.py
@@ -838,3 +838,8 @@ def airquality_hack(cell, request):
         cell.id = None
         cell.save()
     return cell
+
+
+@register.simple_tag
+def get_known_tile_types():
+    return list(settings.JSON_CELL_TYPES.keys())