59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
from django import forms
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from django.conf import settings
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from django.contrib.flatpages.models import FlatPage
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from django.utils.translation import gettext, gettext_lazy as _
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class FlatpageForm(forms.ModelForm):
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url = forms.RegexField(
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label=_("URL"),
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max_length=100,
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regex=r'^[-\w/\.~]+$',
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help_text=_("Example: '/about/contact/'. Make sure to have leading and trailing slashes."),
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error_messages={
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"invalid": _(
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"This value must contain only letters, numbers, dots, "
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"underscores, dashes, slashes or tildes."
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),
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},
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)
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class Meta:
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model = FlatPage
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fields = '__all__'
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def clean_url(self):
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url = self.cleaned_data['url']
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if not url.startswith('/'):
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raise forms.ValidationError(
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gettext("URL is missing a leading slash."),
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code='missing_leading_slash',
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)
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if (settings.APPEND_SLASH and
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'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE and
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not url.endswith('/')):
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raise forms.ValidationError(
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gettext("URL is missing a trailing slash."),
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code='missing_trailing_slash',
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)
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return url
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def clean(self):
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url = self.cleaned_data.get('url')
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sites = self.cleaned_data.get('sites')
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same_url = FlatPage.objects.filter(url=url)
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if self.instance.pk:
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same_url = same_url.exclude(pk=self.instance.pk)
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if sites and same_url.filter(sites__in=sites).exists():
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for site in sites:
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if same_url.filter(sites=site).exists():
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raise forms.ValidationError(
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_('Flatpage with url %(url)s already exists for site %(site)s'),
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code='duplicate_url',
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params={'url': url, 'site': site},
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)
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return super().clean()
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