def get_context_data(self, **kwargs):
"""
Add data for Paypal Express flow.
"""
# Override method so the bankcard and billing address forms can be
# added to the context.
ctx = super(PaymentDetailsView, self).get_context_data(**kwargs)
ctx['bankcard_form'] = kwargs.get(
'bankcard_form', forms.BankcardForm())
ctx['billing_address_form'] = kwargs.get(
'billing_address_form', forms.BillingAddressForm())
return ctx
def do_place_order(self, request):
# Helper method to check that the hidden forms wasn't tinkered
# with.
bankcard_form = forms.BankcardForm(request.POST)
billing_address_form = forms.BillingAddressForm(request.POST)
if not all([bankcard_form.is_valid(),
billing_address_form.is_valid()]):
messages.error(request, "Invalid submission")
return HttpResponseRedirect(reverse('checkout:payment-details'))
# Attempt to submit the order, passing the bankcard object so that it
# gets passed back to the 'handle_payment' method below.
submission = self.build_submission()
submission['payment_kwargs']['bankcard'] = bankcard_form.bankcard
submission['payment_kwargs']['billing_address'] = billing_address_form.cleaned_data
return self.submit(**submission)
def post(self, request, *args, **kwargs):
# Override so we can validate the bankcard/billingaddress submission.
# If it is valid, we render the preview screen with the forms hidden
# within it. When the preview is submitted, we pick up the 'action'
# parameters and actually place the order.
if request.POST.get('action', '') == 'place_order':
return self.do_place_order(request)
bankcard_form = forms.BankcardForm(request.POST)
billing_address_form = forms.BillingAddressForm(request.POST)
if not all([bankcard_form.is_valid(),
billing_address_form.is_valid()]):
# Form validation failed, render page again with errors
self.preview = False
ctx = self.get_context_data(
bankcard_form=bankcard_form,
billing_address_form=billing_address_form)
return self.render_to_response(ctx)
# Render preview with bankcard and billing address details hidden
return self.render_preview(request,
bankcard_form=bankcard_form,
billing_address_form=billing_address_form)