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from django import forms
from django.forms import ValidationError
from pgweb.util.moderation import ModerationState
from pgweb.core.models import Organisation, OrganisationEmail
from .models import NewsArticle, NewsTag
class NewsArticleForm(forms.ModelForm):
form_intro = 'Before submitting news, please read the <a href="/about/policies/news-and-events/">current policy</a> for News and Events'
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['email'].required = True
self.fields['email'].help_text = "Pick a confirmed email associated with the organisation. This will be used as the reply address of posted news. If no correct address is available, you need to register one on the <a href=\"/account/edit/organisations/\">organisation</a> before submitting."
def filter_by_user(self, user):
self.fields['org'].queryset = Organisation.objects.filter(managers=user, approved=True)
self.fields['email'].queryset = OrganisationEmail.objects.filter(org__managers=user, org__approved=True, confirmed=True)
def clean_date(self):
if self.instance.pk and self.instance.modstate != ModerationState.CREATED:
if self.cleaned_data['date'] != self.instance.date:
raise ValidationError("You cannot change the date on an article that has been submitted or approved")
return self.cleaned_data['date']
@property
def described_checkboxes(self):
return {
'tags': {t.id: t.description for t in NewsTag.objects.all()}
}
def clean(self):
data = super().clean()
if data.get('email', None):
if data['email'].org != data['org']:
self.add_error('email', 'You must pick an email address associated with the organisation')
if 'tags' not in data:
self.add_error('tags', 'Select one or more tags')
else:
for t in data['tags']:
# Check each tag for permissions. This is not very db-efficient, but people
# don't save news articles that often...
if t.allowed_orgs.exists() and not t.allowed_orgs.filter(pk=data['org'].pk).exists():
self.add_error('tags',
'The organisation {} is not allowed to use the tag {}.'.format(
data['org'],
t,
))
return data
class Meta:
model = NewsArticle
exclude = ('date', 'submitter', 'modstate', 'tweeted', 'firstmoderator')
widgets = {
'tags': forms.CheckboxSelectMultiple,
}
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