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fix redirecting slug collision detection

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This commit is contained in:
Laura Klünder 2017-07-06 12:26:19 +02:00
parent a7916ab3bb
commit 7921f255e2
1 changed files with 10 additions and 1 deletions
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11
src/c3nav/editor/forms.py
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@ -74,7 +74,16 @@ class MapitemFormMixin(ModelForm):
self.fields['slug'].run_validators(slug)
LocationSlug = self.request.changeset.wrap_model('LocationSlug')
for slug in LocationSlug.objects.filter(slug__in=self.add_redirect_slugs).values_list('slug', flat=True)[:1]:
qs = LocationSlug.objects.filter(slug__in=self.add_redirect_slugs)
if self.cleaned_data['slug'] in self.add_redirect_slugs:
raise ValidationError(
_('Can not add redirecting slug “%s”: it\'s the slug of this object.') % self.cleaned_data['slug']
)
else:
qs = qs.exclude(pk=self.instance.pk)
for slug in qs.values_list('slug', flat=True)[:1]:
raise ValidationError(
_('Can not add redirecting slug “%s”: it is already used elsewhere.') % slug
)