slightly cleaning up slug/areacode/unofficial_number mess

core/views/caves.py

@@ -374,7 +374,9 @@ def edit_cave(request, path="", slug=None):
             cave.save()
             form.save_m2m()
             if slug is None:
-                cs = CaveSlug(cave=cave, slug=cave.reference(), primary=True)
+                # it is not visible on the form so it always will be None
+                slug = f"{cave.areacode}-{cave.number()}"
+                cs = CaveSlug(cave=cave, slug=slug, primary=True)
                 cs.save()
             #ceinsts = ceFormSet.save(commit=False)
             #for ceinst in ceinsts: