def process_payment_request(amount, currency, token, payerid):
"""
utility function to perform PayPal payment
"""
# 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:
# 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 process_refund_request(response, amount):
"""
utility function to perform PayPal refund
"""
# call PayPal driver and perform the relevant PayPal API method to refund the money
driver = PayPal()
result = driver.RefundTransaction(response.trans_id,
refundtype="Partial",
amount=str(amount),
currency=response.currencycode)
# persist the response to the db with PayPalResponse instance
paypal_response = PayPalResponse()
paypal_response.fill_from_response(driver.GetRefundResponse(),
action="Refund")
paypal_response.status = PayPalResponse.get_cancel_status()
if result:
# Amount refunded successfully.
paypal_response.payment_received = True
paypal_response.save()
return True, paypal_response
else:
# Amount charged could not be refunded successfully. Note that
# the paypal_response is going to be saved
paypal_response.error = _(driver.refundtransactionerror)
paypal_response.save()
return False, paypal_response
