Check unicity of (slug, collectivity) pair in ServiceInstanceForm (fixes #7587)
The constraint is not checked in the full_clean() because collectivity is an excluded field (as it's already set on the initial instance).
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@ -4,6 +4,7 @@ import tempfile
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import subprocess
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from django import forms
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from django.core.exceptions import ValidationError
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from django.utils.translation import ugettext_lazy as _, ugettext
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from django.contrib.auth import authenticate
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@ -50,6 +51,15 @@ class CollectivityForm(CertificateMixin, BaseForm):
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exclude = ('uuid', 'default')
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class ServiceInstanceForm(BaseForm):
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def clean(self):
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# check unicity constraint on slug and collectivity
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if self.instance:
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model = self.instance.__class__
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if model.objects.exclude(pk=self.instance.pk) \
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.filter(collectivity=self.instance.collectivity,
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slug=self.cleaned_data.get('slug')).exists():
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raise ValidationError(_('This slug is already used'))
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class Meta:
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model = models.ServiceInstance
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exclude = ('collectivity',)
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