#18 File upload in certain folders

* increases max_size for FileFields --> triggers when the file name will be automatically changed during upload
* adds Http404 Exception in case document file does not exist anymore on the hard drive

konova/utils/documents.py

@@ -5,7 +5,7 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 01.09.21
 
 """
-from django.http import FileResponse, HttpRequest
+from django.http import FileResponse, HttpRequest, HttpResponse, Http404
 from django.utils.translation import gettext_lazy as _
 
 from konova.forms import RemoveModalForm
@@ -22,7 +22,10 @@ def get_document(doc: AbstractDocument):
     Returns:
 
     """
-    return FileResponse(doc.file, as_attachment=True)
+    try:
+        return FileResponse(doc.file, as_attachment=True)
+    except FileNotFoundError:
+        raise Http404()
 
 
 def remove_document(request: HttpRequest, doc: AbstractDocument):