forms.py
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# coding=utf-8
from django import forms
from django.utils.translation import ugettext_lazy as _
from subjects.models import Subject
from .models import Topic
class TopicForm(forms.ModelForm):
subject = None
def __init__(self, *args, **kwargs):
super(TopicForm, self).__init__(*args, **kwargs)
self.subject = kwargs['initial'].get('subject', None)
if self.instance and self.instance.id:
if self.instance.repository:
self.fields['name'].widget.attrs['readonly'] = True
def clean_repository(self):
repository = self.cleaned_data.get('repository', False)
if not self.instance.id:
if repository:
has_repo = self.subject.topic_subject.filter(repository = True).exists()
if has_repo:
self._errors['repository'] = [_('This subject already has a repository')]
return ValueError
return repository
def clean_name(self):
name = self.cleaned_data.get('name', '')
repo = self.cleaned_data.get('repository', False)
if self.instance.id:
same_name = self.subject.topic_subject.filter(name__unaccent__iexact = name).exclude(id = self.instance.id).count()
else:
same_name = self.subject.topic_subject.filter(name__unaccent__iexact = name).count()
if same_name > 0:
if repo:
self._errors['name'] = [_('This subject already has a repository')]
else:
self._errors['name'] = [_('This subject already has a topic with this name')]
return ValueError
return name
class Meta:
model = Topic
fields = ['repository', 'name', 'description', 'visible' ]
widgets = {
'description': forms.Textarea,
}