Sith/subscription/views.py

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from django.shortcuts import render
from django.views.generic.edit import UpdateView, CreateView
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from django.views.generic.base import View
from django.utils.translation import ugettext_lazy as _
from django.core.exceptions import PermissionDenied, ValidationError
from django.db import IntegrityError
from django import forms
from django.forms import Select
from django.conf import settings
from subscription.models import Subscriber, Subscription
from core.views import CanEditMixin, CanEditPropMixin, CanViewMixin
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from core.models import User
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def get_subscriber(user):
s = Subscriber.objects.filter(pk=user.pk).first()
return s
class SubscriptionForm(forms.ModelForm):
class Meta:
model = Subscription
fields = ['member', 'subscription_type', 'payment_method']
def __init__(self, *args, **kwargs):
super(SubscriptionForm, self).__init__(*args, **kwargs)
# Add fields to allow basic user creation
self.fields['last_name'] = forms.CharField(max_length=User._meta.get_field('last_name').max_length)
self.fields['first_name'] = forms.CharField(max_length=User._meta.get_field('first_name').max_length)
self.fields['email'] = forms.EmailField()
self.fields.move_to_end('subscription_type')
self.fields.move_to_end('payment_method')
def clean(self):
cleaned_data = super(SubscriptionForm, self).clean()
if (cleaned_data.get("member") is None
and "last_name" not in self.errors.as_data()
and "first_name" not in self.errors.as_data()
and "email" not in self.errors.as_data()):
self.errors.pop("member", None)
if Subscriber.objects.filter(email=cleaned_data.get("email")).first() is not None:
self.add_error("email", ValidationError(_("A user with that email address already exists")))
else:
u = Subscriber(last_name = self.cleaned_data.get("last_name"),
first_name = self.cleaned_data.get("first_name"),
email = self.cleaned_data.get("email"))
u.generate_username()
u.save()
cleaned_data["member"] = u
elif cleaned_data.get("member") is not None:
self.errors.pop("last_name", None)
self.errors.pop("first_name", None)
self.errors.pop("email", None)
if cleaned_data.get("member") is None:
# This should be handled here, but it is done in the Subscription model's clean method
# TODO investigate why!
raise ValidationError(_("You must either choose an existing user or create a new one properly"))
return cleaned_data
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class NewSubscription(CanEditMixin, CreateView): # TODO: this must be able to create a new user if needed
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template_name = 'subscription/subscription.jinja'
form_class = SubscriptionForm
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def get_initial(self):
if 'member' in self.request.GET.keys():
return {'member': self.request.GET['member']}
return {}
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def form_valid(self, form):
form.instance.subscription_start = Subscription.compute_start(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'])
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form.instance.subscription_end = Subscription.compute_end(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'],
start=form.instance.subscription_start
)
return super(NewSubscription, self).form_valid(form)