def get_data(self):
data = []
# group products by id - que queryset must be ordered by id to make this work
for key, groups in itertools.groupby(self.get_objects(), lambda pl: pl.product_id):
quantity = 0
taxful_total = TaxfulPrice(0, self.shop.currency)
taxless_total = TaxlessPrice(0, self.shop.currency)
product = None
for order_line in groups:
quantity += order_line.quantity
taxful_total += order_line.taxful_price
taxless_total += order_line.taxless_price
if not product:
product = order_line.product
data.append({
"product": product.name,
"sku": product.sku,
"quantity": quantity,
"taxful_total": taxful_total.as_rounded().value,
"taxless_total": taxless_total.as_rounded().value,
})
order_by = self.options.get("order_by")
if order_by:
data = sorted(data, key=itemgetter(order_by), reverse=True)
return self.get_return_data(data)
def test_taxless_and_taxful_price_properties():
class Foo(object):
taxful_value = 110
taxless_value = 100
currency = 'USD'
taxful_price = TaxfulPriceProperty('taxful_value', 'currency')
taxless_price = TaxlessPriceProperty('taxless_value', 'currency')
foo = Foo()
assert foo.taxful_price == TaxfulPrice(110, 'USD')
foo.taxful_price = TaxfulPrice(220, 'USD')
assert foo.taxful_price == TaxfulPrice(220, 'USD')
assert foo.taxful_value == 220
assert foo.taxless_price == TaxlessPrice(100, 'USD')
foo.taxless_price = TaxlessPrice(200, 'USD')
assert foo.taxless_price == TaxlessPrice(200, 'USD')
assert foo.taxless_value == 200
with pytest.raises(UnitMixupError):
foo.taxful_price = TaxlessPrice(220, 'USD')
with pytest.raises(UnitMixupError):
foo.taxful_price = TaxfulPrice(220, 'EUR')
with pytest.raises(UnitMixupError):
foo.taxless_price = TaxfulPrice(220, 'USD')
with pytest.raises(UnitMixupError):
foo.taxless_price = TaxlessPrice(220, 'EUR')
def test_init_with_currency():
m42eur = TaxlessPrice(42, 'EUR')
assert m42eur.amount == Money(42, 'EUR')
assert m42eur.value == 42
assert m42eur.currency == 'EUR'
assert TaxlessPrice(1, 'USD').currency == 'USD'
def _calc_compounded_added_taxes_from_taxless(amount, tax_groups):
base_price = TaxlessPrice(amount)
line_taxes = []
for taxes in tax_groups:
taxed_price = stacked_value_added_taxes(base_price, taxes)
base_price = TaxlessPrice(taxed_price.taxful)
line_taxes.extend(taxed_price.taxes)
return TaxedPrice(taxful=TaxfulPrice(base_price),
taxless=TaxlessPrice(amount),
taxes=line_taxes)
def test_init():
TaxfulPrice(42, 'EUR')
TaxlessPrice(42, 'EUR')
assert TaxfulPrice(currency='EUR').value == 0
assert TaxlessPrice(currency='EUR').value == 0
with pytest.raises(TypeError):
Price()
with pytest.raises(TypeError):
Price(10)
with pytest.raises(TypeError):
Price(10, 'EUR')
def test_tax_special_cases1():
all_tax_line1 = Line(base_unit_price=TaxfulPrice(25, 'EUR'),
quantity=5,
discount_amount=TaxfulPrice(25, 'EUR'),
tax_amount=Money(100, 'EUR'))
assert all_tax_line1.taxful_price == TaxfulPrice(100, 'EUR')
assert all_tax_line1.taxless_price == TaxlessPrice(0, 'EUR')
assert all_tax_line1.taxful_discount_amount == TaxfulPrice(25, 'EUR')
assert all_tax_line1.taxless_discount_amount == TaxlessPrice(0, 'EUR')
assert all_tax_line1.tax_rate == 0
assert all_tax_line1.taxful_base_unit_price == TaxfulPrice(25, 'EUR')
assert all_tax_line1.taxless_base_unit_price == TaxlessPrice(0, 'EUR')
def get_data(self):
orders = self.get_objects().order_by("-order_date")
data = []
for order_date, orders_group in itertools.groupby(orders, key=self.extract_date):
taxless_total = TaxlessPrice(0, currency=self.shop.currency)
taxful_total = TaxfulPrice(0, currency=self.shop.currency)
paid_total = TaxfulPrice(0, currency=self.shop.currency)
product_count = 0
order_count = 0
for order in orders_group:
taxless_total += order.taxless_total_price
taxful_total += order.taxful_total_price
product_count += sum(order.get_product_ids_and_quantities().values())
order_count += 1
if order.payment_date:
paid_total += order.taxful_total_price
data.append({
"date": format_date(order_date, format="short", locale=get_current_babel_locale()),
"order_count": order_count,
"product_count": int(product_count),
"taxless_total": taxless_total,
"taxful_total": taxful_total,
})
return self.get_return_data(data)
def test_stacked_tax_taxful_price():
shop = get_shop(prices_include_tax=True, currency='EUR')
source = OrderSource(shop)
assert source.prices_include_tax
source.add_line(type=OrderLineType.OTHER,
quantity=1,
base_unit_price=source.create_price(20))
with override_provides("tax_module", TAX_MODULE_SPEC):
with override_settings(WSHOP_TAX_MODULE="irvine"):
source.shipping_address = MutableAddress(
street="16215 Alton Pkwy",
postal_code="92602",
)
line = source.get_final_lines(with_taxes=True)[0]
assert isinstance(line, SourceLine)
assert line.taxes
assert line.taxful_price == TaxfulPrice(20, 'EUR')
assert_almost_equal(line.taxless_price,
TaxlessPrice("18.52", 'EUR'))
source.uncache()
# Let's move out to a taxless location.
source.shipping_address.postal_code = "11111"
line = source.get_final_lines(with_taxes=True)[0]
assert isinstance(line, SourceLine)
assert not line.taxes
assert line.taxful_price == TaxfulPrice(20, source.currency)
assert line.taxless_price.value == Decimal("20")
def test_convert_taxness_taxful_to_taxless():
request = get_request()
tax_class = TaxClass()
item = Product(tax_class=tax_class)
priceful = _get_price_info(TaxfulPrice)
calcs_done_before = DummyTaxModule.calculations_done
result = convert_taxness(request, item, priceful, with_taxes=False)
calcs_done_after = DummyTaxModule.calculations_done
assert result != priceful
assert (result.price - TaxlessPrice(400, 'USD')).value < 0.00001
assert result.base_price == TaxlessPrice(550, 'USD')
assert result.quantity == 2
assert result.tax_amount == Money(80, 'USD')
assert result.taxless_price == result.price
assert result.taxful_price == priceful.price
assert calcs_done_after == calcs_done_before + 2
def get_tax_summary(self):
"""
:rtype: TaxSummary
"""
all_line_taxes = []
untaxed = TaxlessPrice(self.create_price(0).amount)
for line in self.get_final_lines():
line_taxes = list(line.taxes)
all_line_taxes.extend(line_taxes)
if not line_taxes:
untaxed += line.taxless_price
return taxing.TaxSummary.from_line_taxes(all_line_taxes, untaxed)
def test_tax_special_cases3():
taxless_line = Line(base_unit_price=TaxfulPrice(0, 'EUR'),
quantity=0,
discount_amount=TaxfulPrice(0, 'EUR'),
tax_amount=Money(0, 'EUR'))
assert taxless_line.taxful_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_price == TaxlessPrice(0, 'EUR')
assert taxless_line.base_unit_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxful_base_unit_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_base_unit_price == TaxlessPrice(0, 'EUR')
assert taxless_line.discount_amount == TaxfulPrice(0, 'EUR')
assert taxless_line.taxful_discount_amount == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_discount_amount == TaxlessPrice(0, 'EUR')
assert taxless_line.price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxful_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_price == TaxlessPrice(0, 'EUR')
assert taxless_line.base_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxful_base_price == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_base_price == TaxlessPrice(0, 'EUR')
assert taxless_line.unit_discount_amount == TaxfulPrice(0, 'EUR')
assert taxless_line.taxful_unit_discount_amount == TaxfulPrice(0, 'EUR')
assert taxless_line.taxless_unit_discount_amount == TaxlessPrice(0, 'EUR')
assert taxless_line.discount_rate == 0
assert taxless_line.tax_rate == 0
def stacked_value_added_taxes(price, taxes):
"""
Stack added taxes on the given price without compounding.
Note that this will not take compound taxation (Quebec) into account.
:param price: Taxful or taxless price to calculate taxes for
:type price: wshop.core.pricing.Price
:param taxes: List of Tax objects
:type taxes: list[wshop.core.models.Tax]
:return: TaxedPrice with the calculated taxes.
:rtype: TaxedPrice
"""
def money_sum(iterable):
return sum(iterable, Money(0, price.currency))
if not taxes:
return TaxedPrice(TaxfulPrice(price), TaxlessPrice(price), [])
if price.includes_tax:
taxful = price
rate_sum = sum(tax.rate for tax in taxes if tax.rate)
amount_sum = money_sum(tax.amount for tax in taxes if tax.amount)
taxless = TaxlessPrice((taxful.amount - amount_sum) / (1 + rate_sum))
else:
taxful = None # will be calculated below
taxless = price
line_taxes = [
SourceLineTax.from_tax(tax=tax, base_amount=taxless.amount)
for tax in taxes
]
if taxful is None:
total_tax_amount = money_sum(x.amount for x in line_taxes)
taxful = TaxfulPrice(taxless.amount + total_tax_amount)
return TaxedPrice(taxful, taxless, line_taxes)
def create_price(self, value):
"""
Create a price with given value and settings of this shop.
Takes the ``prices_include_tax`` and ``currency`` settings of
this Shop into account.
:type value: decimal.Decimal|int|str
:rtype: wshop.core.pricing.Price
"""
if self.prices_include_tax:
return TaxfulPrice(value, self.currency)
else:
return TaxlessPrice(value, self.currency)
def get_taxed_price(self, context, price, tax_class):
if price.includes_tax:
taxful = price
taxless = TaxlessPrice(price.amount / Decimal('1.2'))
else:
taxful = TaxfulPrice(price.amount * Decimal('1.2'))
taxless = price
tax_amount = taxful.amount - taxless.amount
base_amount = taxless.amount
taxes = [
SourceLineTax(Tax(), 'fifth', tax_amount, base_amount),
]
DummyTaxModule.calculations_done += 1
return TaxedPrice(taxful, taxless, taxes)
def get_data(self):
orders = self.get_objects().order_by("-order_date")
data = []
# TODO: maybe make raw sql query in future
for order_date, orders_group in itertools.groupby(orders, key=self.extract_date):
taxless_total = TaxlessPrice(0, currency=self.shop.currency)
taxful_total = TaxfulPrice(0, currency=self.shop.currency)
product_count = 0
order_count = 0
for order in orders_group:
taxless_total += order.taxless_total_price
taxful_total += order.taxful_total_price
product_count += sum(order.get_product_ids_and_quantities().values())
order_count += 1
data.append({
"date": format_date(order_date, locale=get_current_babel_locale()),
"order_count": order_count,
"product_count": int(product_count),
"taxless_total": taxless_total.as_rounded().value,
"taxful_total": taxful_total.as_rounded().value,
})
return self.get_return_data(data)
def get_tax_summary(source):
"""
Get tax summary of given source lines.
:type source: OrderSource
:type lines: list[SourceLine]
:rtype: TaxSummary
"""
all_line_taxes = []
untaxed = TaxlessPrice(source.create_price(0).amount)
for line in source.get_final_lines():
line_taxes = list(line.taxes)
all_line_taxes.extend(line_taxes)
if not line_taxes:
untaxed += line.taxless_price
return TaxSummary.from_line_taxes(all_line_taxes, untaxed)
def _get_order_and_order_line(request):
order = Order(
shop=request.shop,
currency=request.shop.currency,
prices_include_tax=request.shop.prices_include_tax,
)
order.taxful_total_price = TaxfulPrice("100", request.shop.currency)
order.taxless_total_price = TaxlessPrice("50", request.shop.currency)
pi = _get_price_info(request.shop, Product(sku='6.0745'), quantity=2)
return (order,
OrderLine(
order=order,
base_unit_price=pi.base_unit_price,
discount_amount=pi.discount_amount,
quantity=pi.quantity,
))
def test_line_discount_more():
order = create_empty_order()
order.save()
ol = OrderLine(order=order, type=OrderLineType.OTHER)
ol.quantity = 5
ol.base_unit_price = order.shop.create_price(30)
ol.discount_amount = order.shop.create_price(50)
ol.save()
currency = order.shop.currency
assert ol.taxless_base_unit_price == TaxlessPrice(30, currency)
assert ol.taxless_discount_amount == TaxlessPrice(50, currency)
assert ol.taxless_price == TaxlessPrice(5 * 30 - 50, currency)
order_line_tax = OrderLineTax.from_tax(
get_default_tax(), ol.taxless_price.amount, order_line=ol)
order_line_tax.save()
ol.taxes.add(order_line_tax)
assert ol.taxless_discount_amount == TaxlessPrice(50, currency)
assert ol.taxful_discount_amount == TaxfulPrice(75, currency)
assert ol.taxless_price == TaxlessPrice(100, currency)
assert ol.taxful_price == TaxfulPrice(150, currency)
assert ol.taxless_base_unit_price == TaxlessPrice(30, currency)
assert ol.taxful_base_unit_price == TaxfulPrice(45, currency)
def price(value):
return TaxlessPrice(value, 'EUR')
def test_price_property_set_invalid_unit():
m = get_market()
with pytest.raises(UnitMixupError):
m.price = TaxlessPrice(3, 'GBP')
with pytest.raises(UnitMixupError):
m.price = TaxfulPrice(3, 'USD')
def test_money_propped_type_checking_taxness():
foo = Foo(currency='EUR', includes_tax=True)
with pytest.raises(TypeError):
FooItem(foo=foo, price=TaxlessPrice(42, 'EUR'))
def test_taxed_discount_amounts():
assert_almost_equal(line.taxless_discount_amount,
TaxlessPrice(12, 'EUR') / Decimal('1.1'))
assert line.taxful_discount_amount == TaxfulPrice(12, 'EUR')
def tlprice(value):
return TaxlessPrice(value, 'USD')
def test_taxed_discounted_unit_prices():
assert_almost_equal(line.taxless_discounted_unit_price,
TaxlessPrice(33, 'EUR') / Decimal('1.1') / 9)
assert line.taxful_discounted_unit_price == TaxfulPrice(33, 'EUR') / 9
def test_taxed_base_unit_prices():
assert_almost_equal(line.taxless_base_unit_price,
TaxlessPrice(5, 'EUR') / Decimal('1.1'))
assert line.taxful_base_unit_price == TaxfulPrice(5, 'EUR')
def test_taxed_prices():
assert line.taxful_price == line.price
assert line.taxless_price == TaxlessPrice(30, 'EUR') # 33 - 3
def test_tax_mixup():
with pytest.raises(TypeError):
TaxfulPrice(42, 'EUR') - TaxlessPrice(2, 'EUR')
def test_new():
assert TaxfulPrice(currency='EUR').new(42) == TaxfulPrice(42, 'EUR')
assert TaxlessPrice(currency='EUR').new(-10) == TaxlessPrice(-10, 'EUR')
assert TaxfulPrice(10, 'GBP').new(5) == TaxfulPrice(5, 'GBP')