def success(request):
from payments.gateways.paypal import PayPalGateway
from payments.models import PayPalShopSettings, PayPalToken, PayPalTransaction
from preferences.models import Preference
from sell.templatetags.sell_tags import money_format
cart = request.cart
#### Verify Products Availability
if not cart.is_available():
request.flash['message'] = 'Items not longer available: '
for item in cart.items_not_availables():
request.flash['message'] += item.product.title
cart.remove_not_available_items()
return HttpResponseRedirect(reverse('my_shopping'))
if request.method == 'GET':
payerid = request.GET.get('PayerID', None)
token = request.GET.get('token', None)
else:
payerid = request.POST.get('PayerID', None)
token = request.POST.get('token', None)
if None in (token, payerid):
request.flash['message'] = unicode(_("Payment failed, try other method."))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
shop = request.shop
paypal_settings = PayPalShopSettings.objects.filter(shop = shop).get()
try:
paypaltoken = PayPalToken.objects.filter(token=token).get()
except PayPalToken.DoesNotExist:
request.flash['message'] = unicode(_("Payment failed, try other method."))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
if paypaltoken.confirmed == True:
request.flash['message'] = unicode(_("Payment is already confirmed!"))
request.flash['severity'] = "notice"
return HttpResponseRedirect(reverse('my_shopping'))
cart = paypaltoken.cart
#currency = Preference.get_preference(shop).checkout_currency
total_amount = "%0.2f" % cart.total_with_taxes()
if request.method != 'POST':
t = loader.get_template('payments/payment_paypal_confirm.html')
c = RequestContext(request, {
'payerid': payerid,
'token': token,
#'api_signature': settings.PAYPAL_SIGNATURE,
#'api_user': settings.PAYPAL_USERNAME,
#'api_password': settings.PAYPAL_PASSWORD
})
block = (t.render(c))
param = {'total_amount': money_format(total_amount, shop),
'paypaltoken': paypaltoken,
'cart': cart,
'cancel_url': reverse('payments_cancel'),
'form_paypal_confirm': block,
}
return HttpResponse(my_render(request, param, 'payment_paypal_confirm'))
action = request.POST.get('action', 'cancel').lower()
if action == 'confirm':
paypal_gw = PayPalGateway(username=settings.PAYPAL_USERNAME,
password=settings.PAYPAL_PASSWORD,
sign=settings.PAYPAL_SIGNATURE,
debug=settings.PAYPAL_DEBUG)
#return_url = request.build_absolute_uri(reverse("paypal_success"))
#cancel_url = request.build_absolute_uri(reverse("paypal_cancel"))
is_token_data = paypal_gw.GetExpressCheckoutDetails(paypaltoken.token, subject=paypal_settings.email)
if not is_token_data:
logging.critical("Error found when trying to do a GetExpressCheckoutDetails api call on Paypal. RESPONSE: %s" % paypal_gw.api_response)
request.flash['message'] = unicode(_("Could not get transaction data from PayPal. Please contact admin to complete your purchase!"))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
ack = paypal_gw.api_response['ACK'][0]
if ack != "Success":
logging.critical("Paypal Api Response Failure. RESPONSE: %s" % paypal_gw.api_response)
request.flash['message'] = unicode(_("There was an error when trying to get data from PayPal. Please contact admin to complete your purchase!"))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
try:
amount = decimal.Decimal(paypal_gw.api_response['PAYMENTREQUEST_0_AMT'][0])
except KeyError:
logging.critical("Fail when trying to read the payment amount. The API response don't have an AMT key. RESPONSE: %s" % paypal_gw.api_response)
request.flash['message'] = unicode(_("We have found an error when trying to validate your purchase!"))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
if amount != cart.total_with_taxes():
request.flash['message'] = unicode(_("You have authorized us to charge you just $%s, but you want buy $%s! Please contact admin if you think this is a mistake!" % (amount, cart.total_with_taxes())))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
payment_request = {
'PAYMENTREQUEST_0_PAYMENTACTION': 'Sale',
'PAYMENTREQUEST_0_AMT': "%0.2f" % cart.total_with_taxes(),
#'PAYMENTREQUEST_0_TAXAMT': "%0.2f" % cart.taxes(),
#'PAYMENTREQUEST_n_SHIPPINGAMT': "%0.2f" % cart.shipping_charge(),
#'PAYMENTREQUEST_0_ITEMAMT': "%0.2f" % cart.total(),
'PAYMENTREQUEST_0_CURRENCYCODE': Preference.get_preference(shop).checkout_currency,
'PAYMENTREQUEST_0_NOTIFYURL': request.build_absolute_uri(reverse("payments_paypal_ipn")),
'SUBJECT': paypal_settings.email
}
success = paypal_gw.DoExpressCheckoutPayment(payment_request, paypaltoken.token, payerid)
if success:
#Close and clean the cart
sell = cart.close("PayPal")
#Set the sell payments as paid
sell.payment.pay()
paypaltoken.confirmed = True
paypaltoken.save()
# {'PAYMENTINFO_0_TRANSACTIONTYPE': 'expresscheckout', 'ACK': 'Success', 'PAYMENTINFO_0_PAYMENTTYPE': 'instant', 'PAYMENTINFO_0_REASONCODE': 'None', 'SHIPPINGOPTIONISDEFAULT': 'false', 'INSURANCEOPTIONSELECTED': 'false', 'CORRELATIONID': '8d20dfd3e3575', 'PAYMENTINFO_0_TAXAMT': '0.00', 'PAYMENTINFO_0_TRANSACTIONID': '6MH53467HE876651A', 'PAYMENTINFO_0_PENDINGREASON': 'None', 'PAYMENTINFO_0_AMT': '57.00', 'PAYMENTINFO_0_PROTECTIONELIGIBILITY': 'Ineligible', 'PAYMENTINFO_0_ERRORCODE': '0', 'TOKEN': 'EC-7MR99474WD5992801', 'VERSION': '63.0', 'SUCCESSPAGEREDIRECTREQUESTED': 'false', 'BUILD': '1482946', 'PAYMENTINFO_0_CURRENCYCODE': 'USD', 'PAYMENTINFO_0_FEEAMT': '1.95', 'TIMESTAMP': '2010-09-08T18:03:24Z', 'PAYMENTINFO_0_ACK': 'Success', 'PAYMENTINFO_0_ORDERTIME': '2010-09-08T18:03:23Z', 'PAYMENTINFO_0_PAYMENTSTATUS': 'Completed'}
txn_id = paypal_gw.api_response['PAYMENTINFO_0_TRANSACTIONID']
transaction = PayPalTransaction()
transaction.transaction_id = txn_id
transaction.sell = sell
transaction.save()
return HttpResponseRedirect(reverse('payments_success'))
else:
request.flash['message'] = unicode(_("Payment Failed!"))
request.flash['severity'] = "error"
return HttpResponseRedirect(reverse('my_shopping'))
else:
paypaltoken.delete()
request.flash['message'] = unicode(_("Payment cancel!"))
request.flash['severity'] = "notice"
return HttpResponseRedirect(reverse('my_shopping'))