def filter_price(self, price_from=None, price_to=None):
filters = {}
try:
filters['unit_price__gte'] = round_2(float(price_from))
except (TypeError, ValueError):
pass
try:
filters['unit_price__lte'] = round_2(float(price_to))
except (TypeError, ValueError):
pass
return self.filter(**filters)
def get_price(self):
price = self.get_unit_price()
if self.is_discounted:
discount = self.get_discount_percent()
if discount:
price -= (discount * price) / Decimal('100')
if self.is_taxed:
tax = self.get_tax_percent()
price += (tax * price) / Decimal('100')
return round_2(price)
def get_unit_price(self):
if self.is_price_inherited:
return self.parent.get_unit_price()
return round_2(self.unit_price)
def calculate_currency(self, price):
return round_2(price * self.currency_factor)