1 files changed, 13 insertions, 1 deletions
diff --git a/archaeological_files/wizards.py b/archaeological_files/wizards.py
index 6e1e3ba03..ea06a48f7 100644
--- a/archaeological_files/wizards.py
+++ b/archaeological_files/wizards.py
@@ -50,13 +50,25 @@ class FileWizard(OperationWizard):
 
     def done(self, form_list, **kwargs):
         '''
-        Save parcels
+        Save parcels and make numeric_reference unique
         '''
         r = super(FileWizard, self).done(form_list, return_object=True,
                                          **kwargs)
         if type(r) not in (list, tuple) or len(r) != 2:
             return r
         obj, res = r
+        # numeric_reference check
+        if not self.modification:
+            numeric_reference = obj.numeric_reference
+            changed = False
+            while obj.__class__.objects.filter(
+                    numeric_reference=numeric_reference,
+                    year=obj.year).exclude(pk=obj.pk).count():
+                numeric_reference += 1
+                changed = True
+            if changed:
+                obj.numeric_reference = numeric_reference
+                obj.save()
         obj.parcels.clear()
         for form in form_list:
             if not hasattr(form, 'prefix') \