From 4b6ce77d362c60a612f8214d9739134e41f84c4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Norman=20J=C3=A4ckel?= <openslides@normanjaeckel.de>
Date: Tue, 19 Feb 2019 21:41:49 +0100
Subject: [PATCH] Reset logo configs if logo is deleted.

---
 CHANGELOG.rst                  | 1 +
 openslides/mediafiles/views.py | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 13b1782de..38a1f64a9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -23,6 +23,7 @@ Core:
  - Added password reset link (password reset via email) [#3914, #4199].
  - Added global history mode [#3977, #4141].
  - Projector refactoring [4119, #4130].
+ - Fixed logo configuration if logo file is deleted [#4374].
 
 Agenda:
  - Added viewpoint to assign multiple items to a new parent item [#4037].
diff --git a/openslides/mediafiles/views.py b/openslides/mediafiles/views.py
index 03e479beb..5684ebb89 100644
--- a/openslides/mediafiles/views.py
+++ b/openslides/mediafiles/views.py
@@ -1,6 +1,7 @@
 from django.http import HttpResponseForbidden, HttpResponseNotFound
 from django.views.static import serve
 
+from ..core.config import config
 from ..utils.auth import has_perm
 from ..utils.rest_api import ModelViewSet, ValidationError
 from .access_permissions import MediafileAccessPermissions
@@ -76,6 +77,12 @@ class MediafileViewSet(ModelViewSet):
         # on server via Django methods (file, open(), save(), ...).
         mediafile = self.get_object()
         mediafile.mediafile.storage.delete(mediafile.mediafile.name)
+        for logo in config["logos_available"]:
+            if config[logo]["path"] == mediafile.mediafile.url:
+                config[logo] = {
+                    "display_name": config[logo]["display_name"],
+                    "path": "",
+                }
         return super().destroy(request, *args, **kwargs)