dynamicweb/digitalglarus/mixins.py

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from django.core.urlresolvers import reverse_lazy
from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import UpdateView
from django.db import models
from django.http import HttpResponseRedirect
from django.contrib import messages
from membership.models import StripeCustomer
from utils.models import BillingAddress
class MembershipRequiredMixin(object):
membership_redirect_url = None
def dispatch(self, request, *args, **kwargs):
from .models import Membership
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if not Membership.is_digitalglarus_active_member(request.user):
return HttpResponseRedirect(self.membership_redirect_url)
return super(MembershipRequiredMixin, self).dispatch(request, *args, **kwargs)
class IsNotMemberMixin(object):
already_member_redirect_url = None
def dispatch(self, request, *args, **kwargs):
from .models import Membership
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if Membership.is_digitalglarus_active_member(request.user):
return HttpResponseRedirect(self.already_member_redirect_url)
return super(IsNotMemberMixin, self).dispatch(request, *args, **kwargs)
class Ordereable(models.Model):
customer = models.ForeignKey(StripeCustomer)
amount = models.FloatField()
billing_address = models.ForeignKey(BillingAddress)
created_at = models.DateTimeField(auto_now_add=True)
approved = models.BooleanField(default=False)
last4 = models.CharField(max_length=4, blank=True)
cc_brand = models.CharField(max_length=10, blank=True)
stripe_charge_id = models.CharField(max_length=100, null=True)
class Meta:
abstract = True
@classmethod
def create(cls, data):
stripe_charge = data.pop('stripe_charge', None)
instance = cls.objects.create(**data)
if not stripe_charge:
return instance
instance.stripe_charge_id = stripe_charge.id
instance.last4 = stripe_charge.source.last4
instance.cc_brand = stripe_charge.source.brand
instance.save()
return instance
class ChangeMembershipStatusMixin(LoginRequiredMixin, UpdateView):
success_message = None
success_url = reverse_lazy('digitalglarus:membership_orders_list')
login_url = reverse_lazy('digitalglarus:login')
fields = '__all__'
def get_object(self):
from .models import MembershipOrder
membership_order = MembershipOrder.objects.\
filter(customer__user=self.request.user).last()
if not membership_order:
raise AttributeError("Membership does not exists")
membership = membership_order.membership
return membership
def post(self, *args, **kwargs):
membership = self.get_object()
membership.activate()
messages.add_message(self.request, messages.SUCCESS, self.success_message)
return HttpResponseRedirect(self.success_url)