Files
pretix_original/src/pretix/plugins/badges/forms.py
Raphael Michel af23d6e4bf Upgrade to Django 3.0 and other dependencies (#1568)
* Upgrade Django to 3.0 and other dependencies to recent versions

* Fix otp version contsraint

* Remove six dependency

* Resolve some warnings

* Fix failing tests

* Update django-countries

* Resolve all RemovedInDjango31Warnings in test suite

* Run isort

* Fix import

* Update PostgreSQL version on travis
2020-03-23 15:02:20 +01:00

74 lines
2.1 KiB
Python

from django import forms
from django.forms import Field
from django.forms.models import ModelChoiceIterator
from django.utils.translation import gettext_lazy as _
from pretix.plugins.badges.models import BadgeItem, BadgeLayout
class BadgeLayoutForm(forms.ModelForm):
class Meta:
model = BadgeLayout
fields = ('name',)
NoLayoutSingleton = BadgeLayout(pk='-')
class BadgeLayoutIterator(ModelChoiceIterator):
def __iter__(self):
yield ("-", _("(Do not print badges)"))
yield from super().__iter__()
def __len__(self):
return super().__len__() + 1
class BadgeLayoutChoiceField(forms.ModelChoiceField):
iterator = BadgeLayoutIterator
def to_python(self, value):
if value == '-':
return NoLayoutSingleton
return super().to_python(value)
def validate(self, value):
if value == '-':
return '-'
return Field.validate(self, value)
class BadgeItemForm(forms.ModelForm):
layout = BadgeLayoutChoiceField(queryset=BadgeLayout.objects.none())
class Meta:
model = BadgeItem
fields = ('layout',)
exclude = ('layout',)
def __init__(self, *args, **kwargs):
event = kwargs.pop('event')
super().__init__(*args, **kwargs)
self.fields['layout'].label = _('Badge layout')
self.fields['layout'].empty_label = _('(Event default)')
self.fields['layout'].queryset = event.badge_layouts.all()
self.fields['layout'].required = False
if self.instance.pk and not self.instance.layout_id:
self.initial['layout'] = NoLayoutSingleton
elif self.instance.layout:
self.initial['layout'] = self.instance.layout
def save(self, commit=True):
if self.cleaned_data['layout'] is None:
if self.instance.pk:
self.instance.delete()
else:
return
elif self.cleaned_data['layout'] is NoLayoutSingleton:
self.instance.layout = None
self.instance.save()
else:
self.instance.layout = self.cleaned_data['layout']
return super().save(commit=commit)