def test_parse_consent_params(self):
"""
Verify that "parse_consent_params" util works as expected.
"""
mock_request = RequestFactory().get(
'/any?consent_url_param_string=left_sidebar_text_override%3D')
parsed = parse_consent_params(mock_request)
self.assertDictEqual(parsed, {'left_sidebar_text_override': ''})
mock_request2 = RequestFactory().get('/any')
parsed = parse_consent_params(mock_request2)
assert parsed is None
def _redirect_for_enterprise_data_sharing_consent(self, basket):
"""
Redirect to LMS to get data sharing consent from learner.
"""
# check if basket contains only a single product of type seat
if basket.lines.count() == 1 and basket.lines.first(
).product.is_seat_product:
enterprise_custmer_uuid = get_enterprise_customer_from_enterprise_offer(
basket)
product = basket.lines.first().product
course = product.course
if enterprise_custmer_uuid is not None and enterprise_customer_user_needs_consent(
self.request.site,
enterprise_custmer_uuid,
course.id,
self.request.user.username,
):
redirect_url = construct_enterprise_course_consent_url(
self.request,
product.course.id,
enterprise_custmer_uuid,
consent_url_param_dict=parse_consent_params(self.request))
raise RedirectException(
response=HttpResponseRedirect(redirect_url))
def get(self, request): # pylint: disable=too-many-statements
"""
Looks up the passed code and adds the matching product to a basket,
then applies the voucher and if the basket total is FREE places the order and
enrolls the user in the course.
"""
template_name = 'coupons/_offer_error.html'
code = request.GET.get('code')
sku = request.GET.get('sku')
failure_url = request.GET.get('failure_url')
site_configuration = request.site.siteconfiguration
if not code:
return render(request, template_name,
{'error': _('Code not provided.')})
if not sku:
return render(request, template_name,
{'error': _('SKU not provided.')})
try:
voucher = Voucher.objects.get(code=code)
except Voucher.DoesNotExist:
msg = 'No voucher found with code {code}'.format(code=code)
return render(request, template_name, {'error': _(msg)})
try:
product = StockRecord.objects.get(partner_sku=sku).product
except StockRecord.DoesNotExist:
return render(request, template_name,
{'error': _('The product does not exist.')})
valid_voucher, msg, hide_error_message = voucher_is_valid(
voucher, [product], request)
if not valid_voucher:
logger.warning(
'[Code Redemption Failure] The voucher is not valid for this product. '
'User: %s, Product: %s, Code: %s, Message: %s',
request.user.username, product.id, voucher.code, msg)
return render(request, template_name, {
'error': msg,
'hide_error_message': hide_error_message
})
offer = voucher.best_offer
if not offer.is_email_valid(request.user.email):
logger.warning(
'[Code Redemption Failure] Unable to apply offer because the user\'s email '
'does not meet the domain requirements. '
'User: %s, Offer: %s, Code: %s', request.user.username,
offer.id, voucher.code)
return render(
request, template_name,
{'error': _('You are not eligible to use this coupon.')})
email_confirmation_response = get_redirect_to_email_confirmation_if_required(
request, offer, product)
if email_confirmation_response:
return email_confirmation_response
try:
enterprise_customer = get_enterprise_customer_from_voucher(
request.site, voucher)
except EnterpriseDoesNotExist as e:
# If an EnterpriseException is caught while pulling the EnterpriseCustomer, that means there's no
# corresponding EnterpriseCustomer in the Enterprise service (which should never happen).
logger.exception(str(e))
return render(
request, template_name, {
'error':
_('Couldn\'t find a matching Enterprise Customer for this coupon.'
)
})
if enterprise_customer and product.is_course_entitlement_product:
return render(
request, template_name, {
'error':
_('This coupon is not valid for purchasing a program. Try using this on an individual '
'course in the program. If you need assistance, contact edX support.'
)
})
if enterprise_customer is not None and enterprise_customer_user_needs_consent(
request.site,
enterprise_customer['id'],
product.course.id,
request.user.username,
):
consent_token = get_enterprise_customer_data_sharing_consent_token(
request.user.access_token, product.course.id,
enterprise_customer['id'])
received_consent_token = request.GET.get('consent_token')
if received_consent_token:
# If the consent token is set, then the user is returning from the consent view. Render out an error
# if the computed token doesn't match the one received from the redirect URL.
if received_consent_token != consent_token:
logger.warning(
'[Code Redemption Failure] Unable to complete code redemption because of '
'invalid consent. User: %s, Offer: %s, Code: %s',
request.user.username, offer.id, voucher.code)
return render(request, template_name, {
'error':
_('Invalid data sharing consent token provided.')
})
else:
# The user hasn't been redirected to the interstitial consent view to collect consent, so
# redirect them now.
redirect_url = get_enterprise_course_consent_url(
request.site,
code,
sku,
consent_token,
product.course.id,
enterprise_customer['id'],
failure_url=failure_url,
consent_url_param_dict=parse_consent_params(request),
)
return HttpResponseRedirect(redirect_url)
try:
basket = prepare_basket(request, [product], voucher)
except AlreadyPlacedOrderException:
msg = _('You have already purchased {course} seat.').format(
course=product.course.name)
return render(request, template_name, {'error': msg})
if basket.total_excl_tax == 0:
try:
order = self.place_free_order(basket)
if enterprise_customer:
return HttpResponseRedirect(
get_lms_course_about_url(product.course.id))
return HttpResponseRedirect(
get_receipt_page_url(
site_configuration,
order.number,
disable_back_button=True,
), )
except: # pylint: disable=bare-except
logger.exception(
'Failed to create a free order for basket [%d]', basket.id)
return absolute_redirect(self.request, 'checkout:error')
if enterprise_customer:
if is_voucher_applied(basket, voucher):
message = _(
'A discount has been applied, courtesy of {enterprise_customer_name}.'
).format(
enterprise_customer_name=enterprise_customer.get('name'))
messages.info(self.request, message)
else:
# Display a generic message to the user if a condition-specific
# message has not already been added by an unsatified Condition class.
if not messages.get_messages(self.request):
messages.warning(
self.request,
_('This coupon code is not valid for this course. Try a different course.'
))
self.request.basket.vouchers.remove(voucher)
# The coupon_redeem_redirect query param is used to communicate to the Payment MFE that it may redirect
# and should not display the payment form before making that determination.
# TODO: It would be cleaner if the user could be redirected to their final destination up front.
redirect_url = get_payment_microfrontend_or_basket_url(
self.request) + "?coupon_redeem_redirect=1"
return HttpResponseRedirect(redirect_url)