29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
from django import forms
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from django.utils.translation import ugettext_lazy as _
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from django.contrib.flatpages.models import FlatPage
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class FlatpageForm(forms.ModelForm):
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url = forms.RegexField(label=_("URL"), max_length=100, regex=r'^[-\w/\.~]+$',
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help_text = _("Example: '/about/contact/'. Make sure to have leading"
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" and trailing slashes."),
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error_message = _("This value must contain only letters, numbers,"
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" dots, underscores, dashes, slashes or tildes."))
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class Meta:
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model = FlatPage
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def clean(self):
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url = self.cleaned_data.get('url', None)
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sites = self.cleaned_data.get('sites', None)
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flatpages_with_same_url = FlatPage.objects.filter(url=url)
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if flatpages_with_same_url.filter(sites__in=sites).exists():
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for site in sites:
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if flatpages_with_same_url.filter(sites=site).exists():
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raise forms.ValidationError(
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_('Flatpage with url %s already exists for site %s'
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% (url, site)))
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return super(FlatpageForm, self).clean()
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