def compute_discounts_data(order_settings, start_dt, end_dt, delta, user=None):
"""
@param order_settings:
@param start_dt:
@param end_dt:
@param delta:
@param user:
@return: a list of DiscountData objects
"""
passenger = None
user_email_domain = None
if user:
user_email_domain = user.email.split("@")[1]
passenger = user.passenger
logging.info("get discounts @%s" % user_email_domain)
discounts_data = []
for discount_rule in DiscountRule.objects.filter(open_to_all=True):
if discount_rule.email_domains and (
user_email_domain not in discount_rule.email_domains):
logging.info(
u"skipping: %s - only for %s" %
(discount_rule.name, ", ".join(discount_rule.email_domains)))
continue
active_dt = get_active_dt(discount_rule, order_settings, start_dt,
end_dt, delta)
if active_dt:
discounts_data.append(DiscountData(active_dt, discount_rule))
if passenger:
promo_activations = PromoCodeActivation.objects.filter(
passenger=passenger, consumed=False)
seen_promo_discounts = []
for promo_code in [
activation.promo_code for activation in promo_activations
]:
promotion = promo_code.promotion
promo_discount_rule = promotion.discount_rule
if promo_discount_rule in seen_promo_discounts:
continue
seen_promo_discounts.append(promo_discount_rule)
if passenger and not promotion.applies_to(passenger):
continue
active_dt = get_active_dt(promo_discount_rule, order_settings,
start_dt, end_dt, delta)
if active_dt:
discounts_data.append(
DiscountData(active_dt,
promo_discount_rule,
promotion=promotion,
promo_code=promo_code))
logging.info("active discounts: %s" % discounts_data)
return discounts_data
