def process_payment_request(amount, currency, token, payerid):
"""
utility function to perform PayPal payment
"""
#################
# BEGIN ROUTINE #
#################
# call PayPal driver and perform the relevant PayPal API method to charge the money
driver = PayPal()
result = driver.DoExpressCheckoutPayment(currency=currency,
amount=str(amount),
token=token,
payerid=payerid)
# persist the response to the db with PayPalResponse instance
paypal_response = PayPalResponse()
paypal_response.fill_from_response(driver.GetPaymentResponse())
paypal_response.status = PayPalResponse.get_default_status()
if result == True:
# Amount charged successfully.
paypal_response.payment_received = True
paypal_response.save()
return True, paypal_response
else:
# Amount charged could not be charged successfully. Note that
# the paypal_response is going to be saved.
paypal_response.error = _(driver.doexpresscheckoutpaymenterror)
paypal_response.save()
return False, paypal_response
def deal_checkout_complete(request, slug, quantity):
user_msg = ""
quantity = int(quantity)
try:
deal = Deal.objects.get(slug=slug)
except:
return Http404()
token = request.GET.get('token', None)
payerid = request.GET.get('PayerID', None)
if token and payerid:
# TODO: i have no idea how many they bought!
p = PayPal()
rc = p.DoExpressCheckoutPayment("CAD", quantity * deal.deal_price, token, payerid, PAYMENTACTION="Authorization")
if rc: # payment is looking good
response = PayPalResponse()
response.fill_from_response(p.GetPaymentResponse())
response.status = PayPalResponse.get_default_status()
response.save()
num_sold = deal.num_sold()
# check if it's sold out!
if num_sold > deal.max_available:
pass
#setup form error
# Sold out!
for i in range(quantity):
coupon = Coupon()
coupon.user = request.user
coupon.deal = deal
coupon.status = STATUS_ONHOLD
coupon.save()
num_sold = num_sold + 1
# update the deal object
if not deal.is_deal_on and num_sold >= deal.tipping_point:
deal.tipped_at = datetime.datetime.now()
deal.is_deal_on = True
deal.save()
user_msg = 'Thanks for purchasing a Massive Coupon! It will arrive in your profile within 24 hours'
return HttpResponseRedirect('/deals/nearby/?user_msg=' + user_msg )
else:
return Http404()
else:
return Http404()
def _paypal_checkout_complete(request, deal, quantity, token):
result = {'error': True}
token = request.GET.get('token', None)
payerid = request.GET.get('PayerID', None)
if token and payerid:
# TODO: i have no idea how many they bought!
p = PayPal()
rc = p.DoExpressCheckoutPayment("CAD",
quantity * deal.deal_price,
token,
payerid,
PAYMENTACTION="Authorization")
if rc: # payment is looking good
response = PayPalResponse()
response.fill_from_response(p.GetPaymentResponse())
response.status = PayPalResponse.get_default_status()
response.save()
result['error'] = False
else:
result['message'] = 'Empty payment'
else:
result['message'] = 'Token or payerid are empty.'
