def get_govuk_capture_time(self, govuk_payment):
response = requests.get(
get_link_by_rel(govuk_payment, 'events'),
headers=govuk_headers(),
timeout=15
)
if response.status_code != 200:
raise RequestException('Status code not 200', response=response)
try:
data = response.json()
for event in data['events']:
if event['state']['status'] == 'success':
return parse_datetime(event['updated'])
except (ValueError, KeyError):
raise RequestException('Cannot parse response', response=response)
def create_govuk_payment(self, payment_ref, new_govuk_payment):
govuk_response = requests.post(govuk_url('/payments'),
headers=govuk_headers(),
json=new_govuk_payment,
timeout=15)
try:
if govuk_response.status_code != 201:
raise ValueError('Status code not 201')
govuk_data = govuk_response.json()
payment_update = {'processor_id': govuk_data['payment_id']}
self.update_payment(payment_ref, payment_update)
return govuk_data
except (KeyError, ValueError):
logger.exception(
'Failed to create new GOV.UK payment for MTP payment %s. Received: %s'
% (payment_ref, govuk_response.content))
def get_govuk_payment(self, govuk_id):
response = requests.get(
govuk_url('/payments/%s' % govuk_id),
headers=govuk_headers(),
timeout=15
)
if response.status_code != 200:
raise RequestException('Status code not 200', response=response)
try:
data = response.json()
try:
validate_email(data.get('email'))
except ValidationError:
data['email'] = None
return data
except (ValueError, KeyError):
raise RequestException('Cannot parse response', response=response)
def get_govuk_payment(self, govuk_id):
response = requests.get(govuk_url('/payments/%s' % govuk_id),
headers=govuk_headers(),
timeout=15)
if response.status_code != 200:
if response.status_code == 404:
return None
raise RequestException('Unexpected status code: %s' %
response.status_code,
response=response)
try:
data = response.json()
try:
validate_email(data.get('email'))
except ValidationError:
data['email'] = None
return data
except (ValueError, KeyError):
raise RequestException('Cannot parse response', response=response)
def create_govuk_payment(self, payment_ref, new_govuk_payment):
govuk_response = requests.post(
govuk_url('/payments'), headers=govuk_headers(),
json=new_govuk_payment, timeout=15
)
try:
if govuk_response.status_code != 201:
raise ValueError('Status code not 201')
govuk_data = govuk_response.json()
payment_update = {
'processor_id': govuk_data['payment_id']
}
self.update_payment(payment_ref, payment_update)
return govuk_data
except (KeyError, ValueError):
logger.exception(
'Failed to create new GOV.UK payment for MTP payment %s. Received: %s'
% (payment_ref, govuk_response.content)
)
def get_govuk_payment_events(self, govuk_id):
"""
:return: list with events information about a certain govuk payment.
:param govuk_id: id of the govuk payment
:raise HTTPError: if GOV.UK Pay returns a 4xx or 5xx response
:raise RequestException: if the response body cannot be parsed
"""
response = requests.get(
govuk_url(f'/payments/{govuk_id}/events'),
headers=govuk_headers(),
timeout=15,
)
response.raise_for_status()
try:
data = response.json()
return data['events']
except (ValueError, KeyError):
raise RequestException('Cannot parse response', response=response)
def cancel_govuk_payment(self, govuk_payment):
"""
Cancels a payment in status 'capturable'.
:raise HTTPError: if GOV.UK Pay returns a 4xx or 5xx response
"""
govuk_status = GovUkPaymentStatus.get_from_govuk_payment(govuk_payment)
if govuk_status is None or govuk_status.finished():
return govuk_status
govuk_id = govuk_payment['payment_id']
response = requests.post(
govuk_url(f'/payments/{govuk_id}/cancel'),
headers=govuk_headers(),
timeout=15,
)
response.raise_for_status()
govuk_status = GovUkPaymentStatus.cancelled
govuk_payment['state']['status'] = govuk_status.name
return govuk_status
