Add guardians on registration if known, advances #9.

ticdesk_events/views.py

@@ -93,8 +93,25 @@ def register_event(request, cn):
                 given_name=register_form.cleaned_data['guardian_first_name'],
                 sn=register_form.cleaned_data['guardian_last_name']
             ):
-                # Guardian with name exists - mark for manual check
-                check_guardian_note = True
+                # Guardian with name exists - check other attributes
+                guardian = TeckidsParent.objects.get(
+                    given_name=register_form.cleaned_data['guardian_first_name'],
+                    sn=register_form.cleaned_data['guardian_last_name']
+                )
+                if (guardian.mail == register_form.cleaned_data['guardian_mail'] or
+                    guardian.mobile == register_form.cleaned_data['guardian_mobile']
+                ):
+                    # Either mail or mobile matches - update both and link
+                    guardian.mail = register_form.cleaned_data['guardian_mail'] or
+                    guardian.mobile = register_form.cleaned_data['guardian_mobile']):
+                    guardian.save()
+
+                    if guardian.dn not in current_person.guardians:
+                        current_person.guardians.append(guardian.dn)
+                        current_person.save()
+                else:
+                    # Automatic guardian management failed
+                    check_guardian_note = True
             else:
                 # Guardian does not exist - create
                 guardian = TeckidsParent.objects.create(