def get_offers_from_catalog(self, request, voucher):
""" Helper method for collecting offers from catalog query or enterprise catalog.
Args:
request (WSGIRequest): Request data.
voucher (Voucher): Oscar Voucher for which the offers are returned.
Returns:
A list of dictionaries with retrieved offers and a link to the next
page of the Course Discovery results.
"""
benefit = voucher.best_offer.benefit
condition = voucher.best_offer.condition
# Pull all catalog related data from the offer.
catalog_query = benefit.range.catalog_query if benefit.range else None
catalog_id = benefit.range.course_catalog if benefit.range else None
enterprise_customer = (condition.enterprise_customer_uuid
or (benefit.range
and benefit.range.enterprise_customer))
enterprise_catalog = (condition.enterprise_customer_catalog_uuid or
(benefit.range
and benefit.range.enterprise_customer_catalog))
if catalog_id:
catalog = fetch_course_catalog(request.site, catalog_id)
catalog_query = catalog.get("query") if catalog else catalog_query
# There is no catalog related data specified for this condition, so return None.
if not catalog_query and not enterprise_customer:
return None, None
if enterprise_catalog:
response = get_enterprise_catalog(
site=request.site,
enterprise_catalog=enterprise_catalog,
limit=request.GET.get('limit', DEFAULT_CATALOG_PAGE_SIZE),
page=request.GET.get('page'),
)
elif catalog_query:
response = get_catalog_course_runs(
site=request.site,
query=catalog_query,
limit=request.GET.get('limit', DEFAULT_CATALOG_PAGE_SIZE),
offset=request.GET.get('offset'),
)
else:
logger.warning(
'User is trying to redeem Voucher %s, but no catalog information is configured!',
voucher.code)
return [], None
next_page = response['next']
offers = self.convert_catalog_response_to_offers(
request, voucher, response)
return offers, next_page
def test_fetch_course_catalog(self):
"""
Verify that fetch_course_catalog is cached
We expect 2 calls to set_all_tiers due to:
- the site_configuration api setup
- the result being cached
"""
self.mock_access_token_response()
self.mock_catalog_detail_endpoint(self.site_configuration.discovery_api_url)
with patch.object(TieredCache, 'set_all_tiers', wraps=TieredCache.set_all_tiers) as mocked_set_all_tiers:
mocked_set_all_tiers.assert_not_called()
_ = fetch_course_catalog(self.site, 1)
self.assertEqual(mocked_set_all_tiers.call_count, 2)
_ = fetch_course_catalog(self.site, 1)
self.assertEqual(mocked_set_all_tiers.call_count, 2)
def get_offers(self, request, voucher):
"""
Get the course offers associated with the voucher.
Arguments:
request (HttpRequest): Request data.
voucher (Voucher): Oscar Voucher for which the offers are returned.
Returns:
dict: Dictionary containing a link to the next page of Course Discovery results and
a List of course offers where each offer is represented as a dictionary.
"""
benefit = voucher.offers.first().benefit
catalog_query = benefit.range.catalog_query
catalog_id = benefit.range.course_catalog
enterprise_catalog = benefit.range.enterprise_customer_catalog
next_page = None
offers = []
if catalog_id:
catalog = fetch_course_catalog(request.site, catalog_id)
catalog_query = catalog.get("query") if catalog else catalog_query
if catalog_query or enterprise_catalog:
offers, next_page = self.get_offers_from_catalog(
request, voucher, catalog_query, enterprise_catalog)
else:
product_range = voucher.offers.first().benefit.range
products = product_range.all_products()
if products:
product = products[0]
else:
raise Product.DoesNotExist
course_id = product.course_id
course = get_object_or_404(Course, id=course_id)
stock_record = get_object_or_404(StockRecord,
product__id=product.id)
course_info = get_course_info_from_catalog(request.site, product)
if course_info:
offers.append(
self.get_course_offer_data(
benefit=benefit,
course=course,
course_info=course_info,
credit_provider_price=None,
multiple_credit_providers=False,
is_verified=(course.type == 'verified'),
product=product,
stock_record=stock_record,
voucher=voucher))
return {'next': next_page, 'results': offers}
