Improve teams settings invites and due tasks

core/middleware.py

@@ -0,0 +1,24 @@
+from django.utils import translation
+
+
+class UserLanguageMiddleware:
+    """Prefer the authenticated user's saved language over browser/cookie language."""
+
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        user = getattr(request, 'user', None)
+        language = ''
+        if user and user.is_authenticated:
+            try:
+                language = user.preferences.language
+            except Exception:
+                language = ''
+        if language:
+            translation.activate(language)
+            request.LANGUAGE_CODE = language
+        response = self.get_response(request)
+        if language:
+            response.setdefault('Content-Language', language)
+        return response