def _get_price_info(shop, product=None, quantity=2):
if not product:
product = Product(sku='6.0745')
# SKU of product defines the price :)
price = shop.create_price(product.sku)
return PriceInfo(quantity * price, quantity * 4 * price, quantity)
def price_info(self):
return PriceInfo(self.price, self.base_price, quantity=1)
def discount_price(self, context, product, price_info):
shop = context.shop
potential_discounts = get_potential_discounts_for_product(
context, product).values_list(
"discounted_price_value",
"discount_amount_value",
"discount_percentage",
)
discounted_prices = []
for discounted_price_value, discount_amount_value, discount_percentage in potential_discounts:
if discounted_price_value: # Applies the new product price per item
discounted_prices.append(
min(
price_info.price,
max(
shop.create_price(discounted_price_value) *
price_info.quantity, shop.create_price(0)),
))
if discount_amount_value: # Discount amount value per item
discounted_prices.append(
max(
price_info.price -
shop.create_price(discount_amount_value) *
price_info.quantity,
shop.create_price(0),
))
if discount_percentage: # Discount percentage per item
discounted_prices.append(
max(
price_info.price -
price_info.price * discount_percentage,
shop.create_price(0)))
new_price_info = PriceInfo(
price=price_info.price,
base_price=price_info.base_price,
quantity=price_info.quantity,
expires_on=price_info.expires_on,
)
if discounted_prices:
product_id = product if isinstance(
product, six.integer_types) else product.pk
minimum_price_values = list(
ShopProduct.objects.filter(product_id=product_id,
shop=shop).values_list(
"minimum_price_value",
flat=True))
minimum_price_value = minimum_price_values[
0] if minimum_price_values else 0
new_price_info.price = max(
min(discounted_prices),
shop.create_price(minimum_price_value or 0)
or shop.create_price(0))
price_expiration = get_price_expiration(context, product)
if price_expiration and (not price_info.expires_on
or price_expiration < price_info.expires_on):
new_price_info.expires_on = price_expiration
return new_price_info
def get_price_info_mock(context, product, quantity=1):
if context.customer.get_default_group() == AnonymousContact().get_default_group():
price = context.shop.create_price(anonymous_price)
else:
price = context.shop.create_price(customer_price)
return PriceInfo(quantity * price, quantity * price, quantity)
def _get_price_info(price_cls, quantity=2):
price = quantity * price_cls(240, 'USD')
base_price = quantity * price_cls(330, 'USD')
return PriceInfo(price, base_price, quantity)
def test_discount_percentage_special_cases():
pi1 = PriceInfo(price(10), price(0), quantity=1)
assert pi1.discount_percentage == 0
def test_with_discounts():
pi = PriceInfo(price(75), price(100), 1)
assert pi.is_discounted
assert pi.discount_percentage == 25
assert pi.discount_amount == price(25)
def test_no_discount():
pi = PriceInfo(price(100), price(100), 1)
assert not pi.is_discounted
assert pi.discount_percentage == 0
assert pi.discount_amount == price(0)
def get_price_info(self, context, product, quantity=1):
product_id = (product if isinstance(product, six.integer_types) else
product.pk)
shop = context.shop
# By default let's use supplier passed to context.
supplier = context.supplier
if not supplier:
# Since supplier is optional I am pretty sure
# there is cases that supplier is not passed to
# pricing context. This is not a problem. The
# pricing module which decides to use supplier
# for product prices mjust need to have some sane
# fallback.
supplier_strategy = cached_load(
"SHUUP_SHOP_PRODUCT_SUPPLIERS_STRATEGY")
kwargs = {
"product_id": product_id,
"shop": context.shop,
"customer": context.customer,
"quantity": quantity,
"basket": context.basket
}
# Since this is custom pricing module it
# requires also custom supplier strategy.
# Some example is provided in
# `shuup.testing.supplier_pricing.supplier_strategy:CheapestSupplierPriceSupplierStrategy`
supplier = supplier_strategy().get_supplier(**kwargs)
# Like now in customer group pricing let's take default price from shop product
default_price_values = list(
ShopProduct.objects.filter(product_id=product_id,
shop=shop).values_list(
"default_price_value", flat=True))
if len(default_price_values) == 0: # No shop product
return PriceInfo(price=shop.create_price(0),
base_price=shop.create_price(0),
quantity=quantity)
else:
default_price = default_price_values[0] or 0
# Then the actual supplier price in case we have
# been able to figure out some supplier. I guess
# it is problem for supplier strategy if it allows
# supplier to be None in some weird scenarios.
# Not sure though what would happen in shop product
# orderability checks and so on.
price = None
if supplier:
result = SupplierPrice.objects.filter(
shop=shop, product_id=product_id,
supplier=supplier).order_by("amount_value")[:1].values_list(
"amount_value", flat=True)
if result:
price = result[0]
if not price:
price = default_price
return PriceInfo(
price=shop.create_price(price * quantity),
base_price=shop.create_price(price * quantity),
quantity=quantity,
)
