def get_new_lines(self, order_source, lines):
price_so_far = sum((x.price for x in lines), order_source.zero_price)
def get_discount_line(campaign, amount, price_so_far):
new_amount = min(amount, price_so_far)
price_so_far -= new_amount
return self._get_campaign_line(campaign, new_amount, order_source)
best_discount = None
best_discount_campaign = None
for campaign in BasketCampaign.get_matching(order_source, lines):
if campaign.discount_amount:
discount_amount = campaign.discount_amount
else:
discount_amount = order_source.total_price_of_products * campaign.discount_percentage
# if campaign has coupon, match it to order_source.codes
if campaign.coupon:
# campaign was found because discount code matched. This line is always added
yield get_discount_line(campaign, discount_amount, price_so_far)
elif best_discount is None or discount_amount > best_discount:
best_discount = discount_amount
best_discount_campaign = campaign
if best_discount is not None:
yield get_discount_line(best_discount_campaign, best_discount, price_so_far)
def get_new_lines(self, order_source, lines):
price_so_far = sum((x.price for x in lines), order_source.zero_price)
def get_discount_line(campaign, amount, price_so_far):
new_amount = min(amount, price_so_far)
price_so_far -= new_amount
return self._get_campaign_line(campaign, new_amount, order_source)
best_discount = None
best_discount_campaign = None
for campaign in BasketCampaign.get_matching(order_source, lines):
if campaign.discount_amount:
discount_amount = campaign.discount_amount
else:
discount_amount = order_source.total_price_of_products * campaign.discount_percentage
# if campaign has coupon, match it to order_source.codes
if campaign.coupon:
# campaign was found because discount code matched. This line is always added
yield get_discount_line(campaign, discount_amount,
price_so_far)
elif best_discount is None or discount_amount > best_discount:
best_discount = discount_amount
best_discount_campaign = campaign
if best_discount is not None:
yield get_discount_line(best_discount_campaign, best_discount,
price_so_far)
def get_new_lines(self, order_source, lines):
matching_campaigns = BasketCampaign.get_matching(order_source, lines)
for line in self._handle_total_discount_effects(matching_campaigns, order_source, lines):
yield line
for line in self._handle_line_effects(matching_campaigns, order_source, lines):
yield line
def get_new_lines(self, order_source, lines):
matching_campaigns = BasketCampaign.get_matching(order_source, lines)
for line in self._handle_total_discount_effects(
matching_campaigns, order_source, lines):
yield line
for line in self._handle_line_effects(matching_campaigns, order_source,
lines):
yield line