GREG-165: Fixing some issues when checking for illegal updates

gregui/api/views/invitation.py

@@ -362,6 +362,10 @@ class InvitedGuestView(GenericAPIView):
 
         illegal_field_updates = []
         for changed_field in changed_fields:
+            if changed_field == "consents":
+                # Consents can be inserted and updated, no need for further checks on them
+                continue
+
             try:
                 attribute = getattr(person, changed_field)
             except AttributeError:
@@ -376,7 +380,12 @@ class InvitedGuestView(GenericAPIView):
                     # No existing value for field, so allow change
                     continue
                 else:
-                    if attribute != person_data[changed_field]:
+                    # Quick fix to be able compare date with string
+                    if changed_field == "date_of_birth":
+                        if attribute.strftime("%Y-%m-%d") != person_data[changed_field]:
+                            # There is an existing date value
+                            illegal_field_updates.append(changed_field)
+                    elif attribute != person_data[changed_field]:
                         # There is an existing value
                         illegal_field_updates.append(changed_field)