def test_truncation(self):
"""Verify that the truncation utility behaves as expected."""
length = 10
string = 'x' * length
# Verify that the original string is returned when no truncation is necessary.
self.assertEqual(string, middle_truncate(string, length))
self.assertEqual(string, middle_truncate(string, length + 1))
# Verify that truncation occurs when expected.
self.assertEqual('xxx...xxx', middle_truncate(string, length - 1))
self.assertEqual('xx...xx', middle_truncate(string, length - 2))
self.assertRaises(ValueError, middle_truncate, string, 0)
def test_truncation(self):
"""Verify that the truncation utility behaves as expected."""
length = 10
string = 'x' * length
# Verify that the original string is returned when no truncation is necessary.
self.assertEqual(string, middle_truncate(string, length))
self.assertEqual(string, middle_truncate(string, length + 1))
# Verify that truncation occurs when expected.
self.assertEqual('xxx...xxx', middle_truncate(string, length - 1))
self.assertEqual('xx...xx', middle_truncate(string, length - 2))
self.assertRaises(ValueError, middle_truncate, string, 0)
def get_transaction_parameters(self, basket, request=None):
"""
Create a new PayPal payment.
Arguments:
basket (Basket): The basket of products being purchased.
Keyword Arguments:
request (Request): A Request object which is used to construct PayPal's `return_url`.
Returns:
dict: PayPal-specific parameters required to complete a transaction. Must contain a URL
to which users can be directed in order to approve a newly created payment.
Raises:
GatewayError: Indicates a general error or unexpected behavior on the part of PayPal which prevented
a payment from being created.
"""
return_url = urljoin(self.ecommerce_url_root, reverse('paypal_execute'))
data = {
'intent': 'sale',
'redirect_urls': {
'return_url': return_url,
'cancel_url': self.cancel_url,
},
'payer': {
'payment_method': 'paypal',
},
'transactions': [{
'amount': {
'total': unicode(basket.total_incl_tax),
'currency': basket.currency,
},
'item_list': {
'items': [
{
'quantity': line.quantity,
# PayPal requires that item names be at most 127 characters long.
'name': middle_truncate(line.product.title, 127),
'price': unicode(line.price_incl_tax),
'currency': line.stockrecord.price_currency,
}
for line in basket.all_lines()
],
},
'invoice_number': basket.order_number,
}],
}
try:
web_profile = PaypalWebProfile.objects.get(name=self.DEFAULT_PROFILE_NAME)
data['experience_profile_id'] = web_profile.id
except PaypalWebProfile.DoesNotExist:
pass
payment = paypalrestsdk.Payment(data)
payment.create()
# Raise an exception for payments that were not successfully created. Consuming code is
# responsible for handling the exception.
if not payment.success():
error = self._get_error(payment)
entry = self.record_processor_response(error, transaction_id=error['debug_id'], basket=basket)
logger.error(
u"Failed to create PayPal payment for basket [%d]. PayPal's response was recorded in entry [%d].",
basket.id,
entry.id
)
raise GatewayError(error)
entry = self.record_processor_response(payment.to_dict(), transaction_id=payment.id, basket=basket)
logger.info(u"Successfully created PayPal payment [%s] for basket [%d].", payment.id, basket.id)
for link in payment.links:
if link.rel == 'approval_url':
approval_url = link.href
break
else:
logger.error(
u"Approval URL missing from PayPal payment [%s]. PayPal's response was recorded in entry [%d].",
payment.id,
entry.id
)
raise GatewayError(
'Approval URL missing from PayPal payment response. See entry [{}] for details.'.format(entry.id))
parameters = {
'payment_page_url': approval_url,
}
return parameters
def get_transaction_parameters(self,
basket,
request=None,
use_client_side_checkout=False,
**kwargs):
"""
Create a new PayPal payment.
Arguments:
basket (Basket): The basket of products being purchased.
request (Request, optional): A Request object which is used to construct PayPal's `return_url`.
use_client_side_checkout (bool, optional): This value is not used.
**kwargs: Additional parameters; not used by this method.
Returns:
dict: PayPal-specific parameters required to complete a transaction. Must contain a URL
to which users can be directed in order to approve a newly created payment.
Raises:
GatewayError: Indicates a general error or unexpected behavior on the part of PayPal which prevented
a payment from being created.
"""
# PayPal requires that item names be at most 127 characters long.
PAYPAL_FREE_FORM_FIELD_MAX_SIZE = 127
return_url = urljoin(get_ecommerce_url(), reverse('paypal:execute'))
data = {
'intent':
'sale',
'redirect_urls': {
'return_url': return_url,
'cancel_url': self.cancel_url,
},
'payer': {
'payment_method': 'paypal',
},
'transactions': [{
'amount': {
'total': str(basket.total_incl_tax),
'currency': basket.currency,
},
# Paypal allows us to send additional transaction related data in 'description' & 'custom' field
# Free form field, max length 127 characters
# description : program_id:<program_id>
'description':
"program_id:{}".format(get_basket_program_uuid(basket)),
'item_list': {
'items': [
{
'quantity':
line.quantity,
# PayPal requires that item names be at most 127 characters long.
# for courseid we're using 'name' field along with title,
# concatenated field will be 'courseid|title'
'name':
middle_truncate(self.get_courseid_title(line),
PAYPAL_FREE_FORM_FIELD_MAX_SIZE),
# PayPal requires that the sum of all the item prices (where price = price * quantity)
# equals to the total amount set in amount['total'].
'price':
str(line.line_price_incl_tax_incl_discounts /
line.quantity),
'currency':
line.stockrecord.price_currency,
} for line in basket.all_lines()
],
},
'invoice_number':
basket.order_number,
}],
}
if waffle.switch_is_active('create_and_set_webprofile'):
locale_code = self.resolve_paypal_locale(
request.COOKIES.get(settings.LANGUAGE_COOKIE_NAME))
web_profile_id = self.create_temporary_web_profile(locale_code)
if web_profile_id is not None:
data['experience_profile_id'] = web_profile_id
else:
try:
web_profile = PaypalWebProfile.objects.get(
name=self.DEFAULT_PROFILE_NAME)
data['experience_profile_id'] = web_profile.id
except PaypalWebProfile.DoesNotExist:
pass
available_attempts = 1
if waffle.switch_is_active('PAYPAL_RETRY_ATTEMPTS'):
available_attempts = self.retry_attempts
for i in range(1, available_attempts + 1):
try:
payment = paypalrestsdk.Payment(data, api=self.paypal_api)
payment.create()
if payment.success():
break
if i < available_attempts:
logger.warning(
u"Creating PayPal payment for basket [%d] was unsuccessful. Will retry.",
basket.id,
exc_info=True)
else:
error = self._get_error(payment)
# pylint: disable=unsubscriptable-object
entry = self.record_processor_response(
error, transaction_id=error['debug_id'], basket=basket)
logger.error(u"%s [%d], %s [%d].",
"Failed to create PayPal payment for basket",
basket.id,
"PayPal's response recorded in entry",
entry.id,
exc_info=True)
raise GatewayError(error)
except: # pylint: disable=bare-except
if i < available_attempts:
logger.warning(
u"Creating PayPal payment for basket [%d] resulted in an exception. Will retry.",
basket.id,
exc_info=True)
else:
logger.exception(
u"After %d retries, creating PayPal payment for basket [%d] still experienced exception.",
i, basket.id)
raise
entry = self.record_processor_response(payment.to_dict(),
transaction_id=payment.id,
basket=basket)
logger.info(
"Successfully created PayPal payment [%s] for basket [%d].",
payment.id, basket.id)
for link in payment.links:
if link.rel == 'approval_url':
approval_url = link.href
break
else:
logger.error(
"Approval URL missing from PayPal payment [%s]. PayPal's response was recorded in entry [%d].",
payment.id, entry.id)
raise GatewayError(
'Approval URL missing from PayPal payment response. See entry [{}] for details.'
.format(entry.id))
parameters = {
'payment_page_url': approval_url,
}
return parameters
def get_transaction_parameters(self, basket, request=None):
"""
Create a new PayPal payment.
Arguments:
basket (Basket): The basket of products being purchased.
Keyword Arguments:
request (Request): A Request object which is used to construct PayPal's `return_url`.
Returns:
dict: PayPal-specific parameters required to complete a transaction. Must contain a URL
to which users can be directed in order to approve a newly created payment.
Raises:
GatewayError: Indicates a general error or unexpected behavior on the part of PayPal which prevented
a payment from being created.
"""
return_url = urljoin(get_ecommerce_url(), reverse('paypal_execute'))
data = {
'intent': 'sale',
'redirect_urls': {
'return_url': return_url,
'cancel_url': self.cancel_url,
},
'payer': {
'payment_method': 'paypal',
},
'transactions': [{
'amount': {
'total': unicode(basket.total_incl_tax),
'currency': basket.currency,
},
'item_list': {
'items': [
{
'quantity': line.quantity,
# PayPal requires that item names be at most 127 characters long.
'name': middle_truncate(line.product.title, 127),
# PayPal requires that the sum of all the item prices (where price = price * quantity)
# equals to the total amount set in amount['total'].
'price': unicode(line.line_price_incl_tax_incl_discounts / line.quantity),
'currency': line.stockrecord.price_currency,
}
for line in basket.all_lines()
],
},
'invoice_number': basket.order_number,
}],
}
try:
web_profile = PaypalWebProfile.objects.get(name=self.DEFAULT_PROFILE_NAME)
data['experience_profile_id'] = web_profile.id
except PaypalWebProfile.DoesNotExist:
pass
payment = paypalrestsdk.Payment(data, api=self.paypal_api)
payment.create()
# Raise an exception for payments that were not successfully created. Consuming code is
# responsible for handling the exception.
if not payment.success():
error = self._get_error(payment)
entry = self.record_processor_response(error, transaction_id=error['debug_id'], basket=basket) # pylint: disable=unsubscriptable-object
logger.error(
u"Failed to create PayPal payment for basket [%d]. PayPal's response was recorded in entry [%d].",
basket.id,
entry.id
)
raise GatewayError(error)
entry = self.record_processor_response(payment.to_dict(), transaction_id=payment.id, basket=basket)
logger.info(u"Successfully created PayPal payment [%s] for basket [%d].", payment.id, basket.id)
for link in payment.links:
if link.rel == 'approval_url':
approval_url = link.href
break
else:
logger.error(
u"Approval URL missing from PayPal payment [%s]. PayPal's response was recorded in entry [%d].",
payment.id,
entry.id
)
raise GatewayError(
'Approval URL missing from PayPal payment response. See entry [{}] for details.'.format(entry.id))
parameters = {
'payment_page_url': approval_url,
}
return parameters
def get_transaction_parameters(self,
basket,
request=None,
use_client_side_checkout=False,
**kwargs):
"""
Create a new Alipay payment.
Arguments:
basket (Basket): The basket of products being purchased.
request (Request, optional): A Request object which is used to construct PayPal's `return_url`.
use_client_side_checkout (bool, optional): This value is not used.
**kwargs: Additional parameters; not used by this method.
Returns:
dict: PayPal-specific parameters required to complete a transaction. Must contain a URL
to which users can be directed in order to approve a newly created payment.
Raises:
GatewayError: Indicates a general error or unexpected behavior on the part of PayPal which prevented
a payment from being created.
"""
return_url = urljoin(get_ecommerce_url(), reverse('alipay:execute'))
data = {
'intent':
'sale',
'redirect_urls': {
'return_url': return_url,
'cancel_url': self.cancel_url,
},
'payer': {
'payment_method': 'alipay',
},
'transactions': [{
'amount': {
'total': unicode(basket.total_incl_tax),
'currency': basket.currency,
},
'item_list': {
'items': [
{
'quantity':
line.quantity,
# PayPal requires that item names be at most 127 characters long.
'name':
middle_truncate(line.product.title, 127),
# PayPal requires that the sum of all the item prices (where price = price * quantity)
# equals to the total amount set in amount['total'].
'price':
unicode(line.line_price_incl_tax_incl_discounts /
line.quantity),
'currency':
line.stockrecord.price_currency,
} for line in basket.all_lines()
],
},
'invoice_number': basket.order_number,
}],
}
if waffle.switch_is_active('create_and_set_webprofile'):
locale_code = self.resolve_alipay_locale(
request.COOKIES.get(settings.LANGUAGE_COOKIE_NAME))
web_profile_id = self.create_temporary_web_profile(locale_code)
if web_profile_id is not None:
data['experience_profile_id'] = web_profile_id
else:
try:
web_profile = AlipayWebProfile.objects.get(
name=self.DEFAULT_PROFILE_NAME)
data['experience_profile_id'] = web_profile.id
except AlipayWebProfile.DoesNotExist:
pass
available_attempts = 1
if waffle.switch_is_active('PAYPAL_RETRY_ATTEMPTS'):
available_attempts = self.retry_attempts
for i in range(1, available_attempts + 1):
try:
payment = alipay_sdk.Payment(data, api=self.alipay_api)
payment.create()
if payment.success():
break
else:
if i < available_attempts:
logger.warning(
u"Creating AliPay payment for basket [%d] was unsuccessful. Will retry.",
basket.id,
exc_info=True)
else:
error = self._get_error(payment)
# pylint: disable=unsubscriptable-object
entry = self.record_processor_response(
error,
transaction_id=error['debug_id'],
basket=basket)
logger.error(
u"%s [%d], %s [%d].",
"Failed to create AliPay payment for basket",
basket.id,
"AliPay's response recorded in entry",
entry.id,
exc_info=True)
raise GatewayError(error)
except: # pylint: disable=bare-except
if i < available_attempts:
logger.warning(
u"Creating AliPay payment for basket [%d] resulted in an exception. Will retry.",
basket.id,
exc_info=True)
else:
logger.exception(
u"After %d retries, creating AliPay payment for basket [%d] still experienced exception.",
i, basket.id)
raise
entry = self.record_processor_response(payment.to_dict(),
transaction_id=payment.id,
basket=basket)
logger.info(
"Successfully created AliPay payment [%s] for basket [%d].",
payment.id, basket.id)
id = payment.id
order_string = self.alipay_api.api_alipay_trade_page_pay(
out_trade_no=payment.id,
total_amount=unicode(basket.total_incl_tax), #0.01,
subject=middle_truncate(line.product.title, 127),
return_url=return_url,
)
parameters = {
'payment_page_url':
self.alipay_api.default_endpoint() + '?' + order_string,
#'payment_page_url': 'error_test',
}
return parameters