class DiscountCode(Discount):
"""
A code that can be entered at the checkout process to have a
discount applied to the total purchase amount.
"""
code = fields.DiscountCodeField(_("Code"), unique=True)
min_purchase = fields.MoneyField(_("Minimum total purchase"))
free_shipping = models.BooleanField(_("Free shipping"))
uses_remaining = models.IntegerField(_("Uses remaining"), blank=True,
null=True, help_text=_("If you wish to limit the number of times a "
"code may be used, set this value. It will be decremented upon "
"each use."))
objects = managers.DiscountCodeManager()
def calculate(self, amount):
"""
Calculates the discount for the given amount.
"""
if self.discount_deduct is not None:
# Don't apply to amounts that would be negative after
# deduction.
if self.discount_deduct < amount:
return self.discount_deduct
elif self.discount_percent is not None:
return amount / Decimal("100") * self.discount_percent
return 0
class Meta:
verbose_name = _("Discount code")
verbose_name_plural = _("Discount codes")
class DiscountCode(Discount):
"""
A code that can be entered at the checkout process to have a
discount applied to the total purchase amount.
"""
code = fields.DiscountCodeField(_("Code"), unique=True)
min_purchase = fields.MoneyField(_("Minimum total purchase"))
free_shipping = models.BooleanField(_("Free shipping"))
objects = managers.DiscountCodeManager()
def calculate(self, amount):
"""
Calculates the discount for the given amount.
"""
if self.discount_deduct is not None:
# Don't apply to amounts that would be negative after
# deduction.
if self.discount_deduct < amount:
return self.discount_deduct
elif self.discount_percent is not None:
return amount / Decimal("100") * self.discount_percent
return 0
