def process_raw_adyen_notification(raw, POST): # Process a single raw Adyen notification. Must *not* be called in # a transactional context, as it manages it's own. # Now open a transaction for actually processing what we get with transaction.commit_on_success(): # Set it to confirmed - if we were unable to process the RAW one, # this will be rolled back by the transaction, and that's the only # thing that htis flag means. Anything else is handled by the # regular notification. raw.confirmed = True raw.save() # Have we already seen this notification before? notlist = list(Notification.objects.filter(pspReference=POST['pspReference'], eventCode=POST['eventCode'], merchantAccountCode=POST['merchantAccountCode'])) if len(notlist) == 1: # Found it before! notification = notlist[0] # According to Adyen integration manual, the only case when # we need to process this is when it goes from # success=False -> success=True. if not notification.success and POST['success'] == 'true': # We'll implement this one later, but for now trigger a # manual email so we don't loose things. send_simple_mail(settings.INVOICE_SENDER_EMAIL, settings.ADYEN_NOTIFICATION_RECEIVER, 'Received adyen notification type %s that went from failure to success!' % notification.eventCode, "An Adyen notification that went from failure to success has been received.\nThe system doesn't know how to handle this yet, so you'll need to go take a manual look!\n", ) AdyenLog(pspReference=notification.pspReference, message='Received success->fail notification of type %s, unhandled' % notification.eventCode, error=True).save() else: AdyenLog(pspReference=notification.pspReference, message='Received duplicate %s notification' % notification.eventCode).save() # Don't actually do any processing here either else: # Not found, so create notification = Notification() notification.rawnotification = raw notification.eventDate = POST['eventDate'] notification.eventCode = POST['eventCode'] notification.live = (POST['live'] == 'true') notification.success = (POST['success'] == 'true') notification.pspReference = POST['pspReference'] notification.originalReference = POST['originalReference'] notification.merchantReference = POST['merchantReference'] notification.merchantAccountCode = POST['merchantAccountCode'] notification.paymentMethod = POST['paymentMethod'] notification.reason = POST['reason'] try: notification.amount = int(POST['value'])/100 # We only deal in whole euros except: # Invalid amount, set to -1 AdyenLog(pspReference=notification.pspReference, message='Received invalid amount %s' % POST['value'], error=True).save() notification.amount = -1 if POST['currency'] != settings.CURRENCY_ABBREV: # For some reason, *report* notifications specifically get delivered with # a hard-coded value of EUR, even though they have no currency inside them. if notification.eventCode != 'REPORT_AVAILABLE': AdyenLog(pspReference=notification.pspReference, message='Received invalid currency %s' % POST['currency'], error=True).save() notification.amount = -2 # Save this unconfirmed for now notification.save() # Process this notification, which includes flagging invoices # as paid. process_one_notification(notification) # Log the fact that we received it AdyenLog(pspReference=notification.pspReference, message='Processed %s notification for %s' % (notification.eventCode, notification.merchantReference)).save() # Return that we've consumed the report outside the transaction, in # the unlikely event that the COMMIT is what failed return True
