def trans_start_url(request):
"""
JSON handler to get the Bango payment URL to start a transaction.
"""
try:
statsd.incr('purchase.payment_time.retry')
with statsd.timer('purchase.payment_time.get_transation'):
trans = solitude.get_transaction(request.session['trans_id'])
except ObjectDoesNotExist:
trans = {'status': None}
data = {'url': None, 'status': trans['status']}
if trans['status'] == constants.STATUS_PENDING:
statsd.incr('purchase.payment_time.success')
payment_start = request.session.get('payment_start', False)
if payment_start:
delta = int((time.time() - float(payment_start)) * 1000)
statsd.timing('purchase.payment_time.duration', delta)
data['url'] = provider.get_start_url(trans['uid_pay'])
return data
def wait_to_start(request):
"""
Wait until the transaction is in a ready state.
The transaction was started previously during the buy flow in the
background from webpay.pay.tasks.
Serve JS that polls for transaction state.
When ready, redirect to the Bango payment URL using
the generated billing configuration ID.
"""
trans_id = request.session.get('trans_id', None)
if not trans_id:
# This seems like a seriously problem but maybe there is just a race
# condition. If we see a lot of these in the logs it means the
# payment will never complete so we should keep an eye on it.
log.error('wait_to_start() session trans_id was None')
try:
statsd.incr('purchase.payment_time.retry')
with statsd.timer('purchase.payment_time.get_transation'):
trans = solitude.get_transaction(trans_id)
except ObjectDoesNotExist:
trans = {'status': None}
if trans['status'] in constants.STATUS_ENDED:
statsd.incr('purchase.payment_time.failure')
log.exception('Attempt to restart finished transaction {0} '
'with status {1}'.format(trans_id, trans['status']))
return system_error(request, code=msg.TRANS_ENDED)
if trans['status'] == constants.STATUS_PENDING:
statsd.incr('purchase.payment_time.success')
payment_start = request.session.get('payment_start', False)
if payment_start:
delta = int((time.time() - float(payment_start)) * 1000)
statsd.timing('purchase.payment_time.duration', delta)
# Dump any messages so we don't show them later.
clear_messages(request)
# The transaction is ready; no need to wait for it.
return http.HttpResponseRedirect(
provider.get_start_url(trans['uid_pay']))
return render(request, 'pay/wait-to-start.html')