kpsul/bda/forms.py

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# coding: utf-8
from django import forms
from django.forms.models import BaseInlineFormSet
from bda.models import Spectacle
class BaseBdaFormSet(BaseInlineFormSet):
def clean(self):
"""Checks that no two articles have the same title."""
super(BaseBdaFormSet, self).clean()
if any(self.errors):
# Don't bother validating the formset unless each form is valid on
# its own
return
spectacles = []
for i in range(0, self.total_form_count()):
form = self.forms[i]
if not form.cleaned_data:
continue
spectacle = form.cleaned_data['spectacle']
delete = form.cleaned_data['DELETE']
if not delete and spectacle in spectacles:
raise forms.ValidationError(
"Vous ne pouvez pas vous inscrire deux fois pour le "
"même spectacle.")
spectacles.append(spectacle)
class TokenForm(forms.Form):
token = forms.CharField(widget=forms.widgets.Textarea())
class SpectacleModelChoiceField(forms.ModelChoiceField):
def label_from_instance(self, obj):
return u"%s le %s (%s) à %.02f" % (obj.title, obj.date_no_seconds(),
obj.location, obj.price)
class ResellForm(forms.Form):
count = forms.ChoiceField(choices=(("1", "1"), ("2", "2"),))
spectacle = SpectacleModelChoiceField(queryset=Spectacle.objects.none())
def __init__(self, participant, *args, **kwargs):
super(ResellForm, self).__init__(*args, **kwargs)
self.fields['spectacle'].queryset = participant.attributions.all() \
.distinct()