# Issue 475

* adds proper handling in case of BadRequest (error 400)
* enhances html template for error 500
* adds new html template for error 400
* adds uuid_required decorator to missing views
* updates translations

konova/decorators.py

@@ -11,7 +11,7 @@ from uuid import UUID
 
 from bootstrap_modal_forms.mixins import is_ajax
 from django.contrib import messages
-from django.http import Http404
+from django.core.exceptions import BadRequest
 from django.shortcuts import redirect, get_object_or_404, render
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
@@ -185,7 +185,7 @@ def uuid_required(function):
         try:
             uuid = UUID(uuid)
         except ValueError:
-            raise Http404(
+            raise BadRequest(
                 "Invalid UUID"
             )
         return function(request, *args, **kwargs)

konova/urls.py

@@ -42,5 +42,6 @@ urlpatterns = [
     path('client/proxy/wfs', ClientProxyParcelWFS.as_view(), name="client-proxy-wfs"),
 ]
 
+handler400 = "konova.views.error.get_400_view"
 handler404 = "konova.views.error.get_404_view"
 handler500 = "konova.views.error.get_500_view"

konova/views/error.py

@@ -25,6 +25,20 @@ def get_404_view(request: HttpRequest, exception=None):
     return render(request, "404.html", context, status=404)
 
 
+def get_400_view(request: HttpRequest, exception=None):
+    """ Returns a 400 handling view
+
+    Args:
+        request ():
+        exception ():
+
+    Returns:
+
+    """
+    context = BaseContext.context
+    return render(request, "400.html", context, status=400)
+
+
 def get_500_view(request: HttpRequest):
     """ Returns a 404 handling view