def test_deconstruct():
f1 = MoneyField(currency='EUR', default=EUR(0))
name, path, args, kwargs = f1.deconstruct()
f2 = MoneyField(*args, **kwargs)
assert f1.currency_code == f2.currency_code
assert f1.decimal_places == f2.decimal_places
assert f1.default == f2.default
def test_get_default():
OneEuro = EUR(1)
f = MoneyField(currency='EUR', null=True)
assert f.get_default() is None
f = MoneyField(currency='EUR', null=True, default=EUR())
assert f.get_default() == EUR()
f = MoneyField(currency='EUR', null=False, default=OneEuro)
assert f.get_default() == OneEuro
class SmartCard(Product):
# common product fields
unit_price = MoneyField(_("Unit price"), decimal_places=3,
help_text=_("Net price for this product"))
# product properties
CARD_TYPE = (2 * ('{}{}'.format(s, t),)
for t in ('SD', 'SDXC', 'SDHC', 'SDHC II') for s in ('', 'micro '))
card_type = models.CharField(_("Card Type"), choices=CARD_TYPE, max_length=15)
SPEED = ((str(s), "{} MB/s".format(s)) for s in (4, 20, 30, 40, 48, 80, 95, 280))
speed = models.CharField(_("Transfer Speed"), choices=SPEED, max_length=8)
product_code = models.CharField(_("Product code"), max_length=255, unique=True)
storage = models.PositiveIntegerField(_("Storage Capacity"),
help_text=_("Storage capacity in GB"))
multilingual = TranslatedFields(description=HTMLField(verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
help_text=_("Full description used in the catalog's detail view of Smart Cards.")))
class Meta:
verbose_name = _("Smart Card")
verbose_name_plural = _("Smart Cards")
def get_price(self, request):
return self.unit_price
def get_product_variant(self, extra):
"""
SmartCards do not have flavors, they are the product.
"""
return self
class SmartCard(CMSPageReferenceMixin, TranslatableModelMixin, BaseProduct):
product_name = models.CharField(max_length=255,
verbose_name=_("Product Name"))
slug = models.SlugField(verbose_name=_("Slug"))
unit_price = MoneyField(_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"))
description = TranslatedField()
# product properties
manufacturer = models.ForeignKey(Manufacturer,
verbose_name=_("Manufacturer"))
CARD_TYPE = (2 * ('{}{}'.format(s, t), )
for t in ('SD', 'SDXC', 'SDHC', 'SDHC II')
for s in ('', 'micro '))
card_type = models.CharField(_("Card Type"),
choices=CARD_TYPE,
max_length=15)
SPEED = ((str(s), "{} MB/s".format(s))
for s in (4, 20, 30, 40, 48, 80, 95, 280))
speed = models.CharField(_("Transfer Speed"), choices=SPEED, max_length=8)
product_code = models.CharField(_("Product code"),
max_length=255,
unique=True)
storage = models.PositiveIntegerField(
_("Storage Capacity"), help_text=_("Storage capacity in GB"))
# controlling the catalog
order = models.PositiveIntegerField(verbose_name=_("Sort by"),
db_index=True)
cms_pages = models.ManyToManyField(
'cms.Page',
through=ProductPage,
help_text=_("Choose list view this product shall appear on."))
images = models.ManyToManyField('filer.Image', through=ProductImage)
objects = ProductManager()
# filter expression used to lookup for a product item using the Select2 widget
lookup_fields = (
'product_code__startswith',
'product_name__icontains',
)
class Meta:
verbose_name = _("Smart Card")
verbose_name_plural = _("Smart Cards")
ordering = ('order', )
objects = ProductManager()
def __str__(self):
return self.product_name
@property
def sample_image(self):
return self.images.first()
def get_price(self, request):
return self.unit_price
class OrderPayment(with_metaclass(deferred.ForeignKeyBuilder, models.Model)):
"""
A model to hold received payments for a given order.
"""
order = deferred.ForeignKey(
BaseOrder,
verbose_name=_("Order"),
)
amount = MoneyField(
_("Amount paid"),
help_text=_("How much was paid with this particular transfer."),
)
transaction_id = models.CharField(
_("Transaction ID"),
max_length=255,
help_text=_("The transaction processor's reference"),
)
created_at = models.DateTimeField(
_("Received at"),
auto_now_add=True,
)
payment_method = models.CharField(
_("Payment method"),
max_length=50,
help_text=_("The payment backend used to process the purchase"),
)
class Meta:
verbose_name = pgettext_lazy('order_models', "Order payment")
verbose_name_plural = pgettext_lazy('order_models', "Order payments")
class KhimageVariant(models.Model):
product = models.ForeignKey(
KhimageModel,
verbose_name=_("Khimage Model"),
related_name='variants',
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
storage = models.PositiveIntegerField(
_("Internal Storage"),
help_text=_("Internal storage in MB"),
)
def get_price(self, request):
return self.unit_price
class Commodity(Product):
"""
This Commodity model inherits from polymorphic Product, and therefore has to be redefined.
"""
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
# controlling the catalog
placeholder = PlaceholderField("Commodity Details")
show_breadcrumb = True # hard coded to always show the product's breadcrumb
default_manager = TranslatableManager()
class Meta:
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def get_price(self, request):
return self.unit_price
class Membership(Product):
"""
This Commodity model inherits from polymorphic Product, and therefore has to be redefined.
"""
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
signup_date = models.DateField(
_("Signed Up"),
default=timezone.now,
)
profile = models.ForeignKey(User, null=True, blank=True)
# controlling the catalog
placeholder = PlaceholderField("Membership Details")
show_breadcrumb = True # hard coded to always show the product's breadcrumb
class Meta:
verbose_name = _("Membership")
def get_price(self, request):
return self.unit_price
class Commodity(AvailableProductMixin, Product):
"""
This Commodity model inherits from polymorphic Product, and therefore has to be redefined.
"""
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
quantity = models.PositiveIntegerField(
_("Quantity"),
default=0,
validators=[MinValueValidator(0)],
help_text=_("Available quantity in stock"))
# controlling the catalog
placeholder = PlaceholderField("Commodity Details")
show_breadcrumb = True # hard coded to always show the product's breadcrumb
class Meta:
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def get_price(self, request):
return self.unit_price
class SmartCard(Product):
# common product fields
unit_price = MoneyField(_("Unit price"), decimal_places=3,
help_text=_("Net price for this product"))
# product properties
CARD_TYPE = (2 * ('{}{}'.format(s, t),)
for t in ('SD', 'SDXC', 'SDHC', 'SDHC II') for s in ('', 'micro '))
card_type = models.CharField(_("Card Type"), choices=CARD_TYPE, max_length=15)
SPEED = ((str(s), "{} MB/s".format(s)) for s in (4, 20, 30, 40, 48, 80, 95, 280))
speed = models.CharField(_("Transfer Speed"), choices=SPEED, max_length=8)
product_code = models.CharField(_("Product code"), max_length=255, unique=True)
storage = models.PositiveIntegerField(_("Storage Capacity"),
help_text=_("Storage capacity in GB"))
class Meta:
verbose_name = _("Smart Card")
verbose_name_plural = _("Smart Cards")
def get_price(self, request):
return self.unit_price
def get_product_markedness(self, extra):
"""
SmartCards do not have a markedness, they are the product.
"""
return self
class SmartCard(AvailableProductMixin, Product):
multilingual = TranslatedFields(
description=HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
help_text=_(
"Full description used in the catalog's detail view of Smart Cards."),
),
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
card_type = models.CharField(
_("Card Type"),
choices=[2 * ('{}{}'.format(s, t),)
for t in ['SD', 'SDXC', 'SDHC', 'SDHC II'] for s in ['', 'micro ']],
max_length=15,
)
speed = models.CharField(
_("Transfer Speed"),
choices=[(str(s), "{} MB/s".format(s))
for s in [4, 20, 30, 40, 48, 80, 95, 280]],
max_length=8,
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
storage = models.PositiveIntegerField(
_("Storage Capacity"),
help_text=_("Storage capacity in GB"),
)
quantity = models.PositiveIntegerField(
_("Quantity"),
default=0,
validators=[MinValueValidator(0)],
help_text=_("Available quantity in stock")
)
class Meta:
verbose_name = _("Smart Card")
verbose_name_plural = _("Smart Cards")
ordering = ['order']
# filter expression used to lookup for a product item using the Select2 widget
lookup_fields = ['product_code__startswith', 'product_name__icontains']
def get_price(self, request):
return self.unit_price
default_manager = ProductManager()
def test_to_python():
f = MoneyField(currency='EUR', null=True)
assert f.to_python(3) == EUR('3')
assert f.to_python('3.14') == EUR('3.14')
assert f.to_python(None) == EUR()
assert f.to_python(EUR(3)) == EUR('3')
with pytest.raises(ValidationError):
f.to_python('abc')
class Commodity(CMSPageReferenceMixin, TranslatableModelMixin,
BaseProduct):
"""
Generic Product Commodity to be used whenever the merchant does not require product specific
attributes and just required a placeholder field to add arbitrary data.
"""
# common product fields
product_code = models.CharField(_("Product code"),
max_length=255,
unique=True)
unit_price = MoneyField(_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"))
# controlling the catalog
order = models.PositiveIntegerField(verbose_name=_("Sort by"),
db_index=True)
cms_pages = models.ManyToManyField(
'cms.Page',
through=ProductPage,
help_text=_("Choose list view this product shall appear on."))
sample_image = image.FilerImageField(
verbose_name=_("Sample Image"),
blank=True,
null=True,
help_text=_("Sample image used in the catalog's list view."))
show_breadcrumb = models.BooleanField(
_("Show Breadcrumb"),
default=True,
help_text=_(
"Shall the detail page show the product's breadcrumb."))
placeholder = PlaceholderField("Commodity Details")
# translatable fields for the catalog's list- and detail views
product_name = TranslatedField()
slug = TranslatedField()
caption = TranslatedField()
# filter expression used to search for a product item using the Select2 widget
lookup_fields = (
'product_code__startswith',
'product_name__icontains',
)
objects = ProductManager()
class Meta:
app_label = app_settings.APP_LABEL
ordering = ('order', )
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def __str__(self):
return self.product_code
def get_price(self, request):
return self.unit_price
class SmartCard(Product):
# common product fields
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
# product properties
CARD_TYPE = (2 * ('{}{}'.format(s, t), )
for t in ('SD', 'SDXC', 'SDHC', 'SDHC II')
for s in ('', 'micro '))
card_type = models.CharField(
_("Card Type"),
choices=CARD_TYPE,
max_length=15,
)
SPEED = [(str(s), "{} MB/s".format(s))
for s in (4, 20, 30, 40, 48, 80, 95, 280)]
speed = models.CharField(
_("Transfer Speed"),
choices=SPEED,
max_length=8,
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
manufacturer = models.ForeignKey(
Manufacturer,
default=1,
verbose_name=_("Manufacturer"),
)
storage = models.PositiveIntegerField(
_("Storage Capacity"),
help_text=_("Storage capacity in GB"),
)
description = HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
help_text=_(
"Full description used in the catalog's detail view of Smart Cards."
),
)
default_manager = BaseProductManager()
class Meta:
verbose_name = _("Smart Card")
verbose_name_plural = _("Smart Cards")
def get_price(self, request):
return self.unit_price
class SmartPhone(models.Model):
product = models.ForeignKey(SmartPhoneModel,
verbose_name=_("Smart-Phone Model"))
product_code = models.CharField(_("Product code"),
max_length=255, unique=True)
unit_price = MoneyField(_("Unit price"), decimal_places=3,
help_text=_("Net price for this product"))
storage = models.PositiveIntegerField(_("Internal Storage"),
help_text=_("Internal storage in MB"))
def get_price(self, request):
return self.unit_price
class ShippingDestination(models.Model):
shipping_method = models.ForeignKey(
ShippingMethod,
related_name='destinations',
)
country = models.CharField(max_length=3)
price = MoneyField(currency='EUR')
class Meta:
verbose_name = _("Shipping Destination")
verbose_name_plural = _("Shipping Destination")
unique_together = ['country', 'shipping_method']
class ScooterVariant(models.Model):
product = models.ForeignKey(
ScooterModel,
verbose_name=_("Scooter Model"),
related_name='variants',
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
#~ storage = models.PositiveIntegerField(
#~ _("Internal Storage"),
#~ help_text=_("Internal storage in MB"),
#~ )
#~ battery_capacity = models.DecimalField(
#~ _("Battery capacity"),
#~ max_digits=3,
#~ decimal_places=1,
#~ help_text=_("Battery capacity in Ah"),
#~ )
COLORS = (
("white", "white"),
("black", "black"),
)
color = models.CharField(
_("Color"),
max_length=255,
choices=COLORS,
default='white',
)
def get_price(self, request):
return self.unit_price
class Commodity(Product):
# common product fields
unit_price = MoneyField(_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"))
product_code = models.CharField(_("Product code"),
max_length=255,
unique=True)
# controlling the catalog
placeholder = PlaceholderField("Commodity Details")
class Meta:
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def get_price(self, request):
return self.unit_price
class Commodity(AvailableProductMixin, Product, TranslatableModelMixin):
"""
This Commodity model inherits from polymorphic Product, and therefore has to be redefined.
"""
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
product_code = models.ForeignKey(
ProductList,
on_delete=models.CASCADE,
)
multilingual = TranslatedFields(
description=HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
blank=True,
help_text=
_("Full description used in the catalog's detail view of Smart Cards."
),
),
caption=HTMLField(
verbose_name=_("Caption"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
blank=True,
help_text=
_("Full description used in the catalog's detail view of Smart Cards."
),
),
)
# controlling the catalog
placeholder = PlaceholderField("Commodity Details")
show_breadcrumb = True # hard coded to always show the product's breadcrumb
default_manager = TranslatableManager()
class Meta:
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def get_price(self, request):
return self.unit_price
class SmartPhoneVariant(AvailableProductMixin, models.Model):
product = models.ForeignKey(
SmartPhoneModel,
on_delete=models.CASCADE,
verbose_name=_("Smartphone Model"),
related_name='variants',
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
storage = models.PositiveIntegerField(
_("Internal Storage"),
help_text=_("Internal storage in GB"),
)
quantity = models.PositiveIntegerField(
_("Quantity"),
default=0,
validators=[MinValueValidator(0)],
help_text=_("Available quantity in stock"))
def __str__(self):
return _("{product} with {storage} GB").format(product=self.product,
storage=self.storage)
def get_price(self, request):
return self.unit_price
class Scoop(Product):
# common product fields
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
# product properties
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
time_duration = models.PositiveIntegerField(
_("time duration"),
help_text=_("time in days"),
)
description = HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
help_text=_(
"Full description used in the catalog's detail view of Scoop."),
)
default_manager = BaseProductManager()
class Meta:
verbose_name = _("Scoop")
verbose_name_plural = _("Scoop")
def get_price(self, request):
return self.unit_price
class SofaVariant(models.Model):
class Meta:
ordering = ('unit_price', )
product_model = models.ForeignKey(
SofaModel,
related_name='variants',
on_delete=models.CASCADE,
)
product_code = models.ForeignKey(
ProductList,
on_delete=models.CASCADE,
blank=True,
)
images = models.ManyToManyField(
'filer.Image',
through='VariantImage',
)
unit_price = MoneyField(_("Unit price"), blank=True)
fabric = models.ForeignKey(
Fabric,
on_delete=models.CASCADE,
blank=True,
)
def get_availability(self, request, **kwargs):
return True
def __str__(self):
return self.fabric.fabric_name
def delete(self, using=None, keep_parents=False):
ProductList.objects.filter(product_code=self.product_code).delete()
super(SofaVariant, self).delete()
class Fabric(Product):
fabric_name = models.CharField(
_("Fabric name"),
max_length=150,
blank=True,
)
# common product fields
unit_price = MoneyField(
_("Price per meter"),
decimal_places=2,
help_text=_("Net price for this product by meter"),
)
# product properties
FABRIC_TYPE = [
('leath', 'leather'),
('velv', 'velvet'),
('wool', 'wool'),
]
fabric_type = models.CharField(
_("Fabric type"),
choices=FABRIC_TYPE,
max_length=15,
)
product_code = models.ForeignKey(
ProductList,
on_delete=models.CASCADE,
blank=True,
)
composition = models.CharField(
_("Comosition of fabric"),
max_length=255,
unique=False,
)
care = models.CharField(
_("Recommended wash care"),
max_length=255,
unique=False,
)
multilingual = TranslatedFields(
description=HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
blank=True,
help_text=
_("Full description used in the catalog's detail view of Smart Cards."
),
),
caption=HTMLField(
verbose_name=_("Caption"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
blank=True,
help_text=
_("Full description used in the catalog's detail view of Smart Cards."
),
),
)
default_manager = ProductManager()
class Meta:
verbose_name = _("Fabric")
verbose_name_plural = _("Fabrics")
def get_price(self, request):
return self.unit_price
class WeltladenProduct(CMSPageReferenceMixin, TranslatableModelMixin,
BaseProduct):
product_name = models.CharField(
max_length=255,
verbose_name=_("Product Name"),
)
slug = models.SlugField(verbose_name=_("Slug"))
caption = TranslatedField()
short_description = TranslatedField()
description = TranslatedField()
ingredients = TranslatedField()
# product properties
manufacturer = models.ForeignKey(
Manufacturer,
on_delete=models.CASCADE,
verbose_name=_("Manufacturer"),
blank=True,
null=True,
)
additional_manufacturers = models.ManyToManyField(
Manufacturer,
blank=True,
verbose_name=_("Additional Manufacturers"),
related_name="additional_manufacturers",
)
display_manufacturer_as_raw_material_supplier = models.BooleanField(
_("Display manufacturer as raw material supplier"), default=False)
supplier = models.ForeignKey(Supplier,
verbose_name=_("Supplier"),
on_delete=models.CASCADE)
quality_labels = models.ManyToManyField(QualityLabel,
blank=True,
verbose_name=_("Quality labels"),
related_name="quality_labels")
origin_countries = CountryField(
verbose_name=_("Origin countries"),
blank_label=_('Select one or many'),
multiple=True,
blank=True,
)
# controlling the catalog
order = models.PositiveIntegerField(
_("Sort by"),
db_index=True,
)
cms_pages = models.ManyToManyField(
'cms.Page',
through=ProductPage,
help_text=_("Choose list view this product shall appear on."),
)
images = models.ManyToManyField(
'filer.Image',
through=ProductImage,
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Gross price for this product"),
)
vegan = models.BooleanField(_("Vegan"), default=False)
lactose_free = models.BooleanField(_("Lactose free"), default=False)
gluten_free = models.BooleanField(_("Gluten free"), default=False)
tax_switch = models.BooleanField(
_("Switch Tax"),
default=True,
help_text=_(
"If switched on, then 20% tax item, if off then 10% tax item"))
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
instagram_category = models.ForeignKey(InstagramCategory,
on_delete=models.CASCADE,
null=True,
blank=True)
weight = models.DecimalField(
_("Weight"),
help_text=_("Weight in kilograms (kg). max 99.99kg"),
decimal_places=2,
max_digits=4,
default=0.0)
class Meta:
verbose_name = _("Product")
verbose_name_plural = _("Products")
ordering = ['order']
# filter expression used to lookup for a product item using the Select2 widget
lookup_fields = ['product_code__startswith', 'product_name__icontains']
def get_price(self, request):
return self.unit_price
objects = ProductManager()
def __str__(self):
return self.product_name
@property
def ordered_quality_labels(self):
return self.quality_labels.all().order_by('ordering')
@property
def sample_image(self):
return self.images.first()
def get_weight(self):
return self.weight
def invalidate_cache(self):
"""
Method ``ProductCommonSerializer.render_html()`` caches the rendered HTML snippets.
Invalidate this HTML snippet after changing relevant parts of the product.
"""
shop_app = apps.get_app_config('shop')
if shop_app.cache_supporting_wildcard:
cache.delete('product:{}|*'.format(self.id))
def clean_fields(self, exclude=None):
super().clean_fields(exclude=exclude)
if WeltladenProduct.objects.filter(slug=self.slug).exclude(
id=self.id).exists():
raise ValidationError(_('Product slug already exits'),
code='invalid')
class Product(BaseProduct, TranslatableModel):
"""
Product model.
"""
SINGLE, GROUP, VARIANT = range(3)
KINDS = (
(SINGLE, _('Single')),
(GROUP, _('Group')),
(VARIANT, _('Variant')),
)
translations = TranslatedFields(
name=models.CharField(
_('Name'),
max_length=128,
),
slug=models.SlugField(
_('Slug'),
db_index=True,
help_text=
_("Part that's used in url to display this product. Needs to be unique."
),
),
_caption=models.TextField(
_('Caption'),
max_length=255,
blank=True,
help_text=
_("Short product caption, usually used in catalog's list view of products."
),
),
_description=models.TextField(
_('Description'),
blank=True,
help_text=
_("Description of a product, usually used as lead text in product's detail view."
),
),
meta={
'unique_together': [('language_code', 'slug')],
},
)
code = models.CharField(
_('Code'),
max_length=64,
unique=True,
help_text=_('Unique identifier for a product.'),
)
# Categorization
_category = TreeForeignKey(
Category,
models.CASCADE,
blank=True,
null=True,
verbose_name=_('Category'),
)
_brand = TreeForeignKey(
Brand,
models.CASCADE,
blank=True,
null=True,
verbose_name=_('Brand'),
)
_manufacturer = TreeForeignKey(
Manufacturer,
models.CASCADE,
blank=True,
null=True,
verbose_name=_('Manufacturer'),
)
# Pricing
_unit_price = MoneyField(
_('Unit price'),
default=0,
help_text=_("For variants leave empty to use the Group price."),
)
_discount = models.DecimalField(
_('Discount %'),
blank=True,
null=True,
max_digits=4,
decimal_places=2,
validators=[MinValueValidator(Decimal('0.00'))],
help_text=_("For variants leave empty to use Group discount."),
)
_tax = models.ForeignKey(
Tax,
models.SET_NULL,
blank=True,
null=True,
verbose_name=_('Tax'),
help_text=_(
"Tax to be applied to this product. Variants inherit tax percentage from their Group, and should "
"leave this field empty."),
)
# Settings
kind = models.PositiveSmallIntegerField(
_('Kind'),
choices=KINDS,
default=SINGLE,
help_text=
_('Choose a product type. Single products are products without variations. Group products are base products '
'that hold variants and their common info, they cannot be added to cart. Variants are variations of a '
'product that must select a Group product, and set their unique set of attributes. '
'(See "Variant" section below)'),
)
discountable = models.BooleanField(
_('Discountable'),
default=True,
help_text=_('Can this product be used in an offer?'),
)
modifiers = models.ManyToManyField(
Modifier,
blank=True,
verbose_name=_('Modifiers'),
limit_choices_to={'kind__in': [Modifier.STANDARD, Modifier.DISCOUNT]},
)
flags = models.ManyToManyField(
Flag,
blank=True,
verbose_name=_('Flags'),
help_text=_('Check flags for this product.'),
)
# Measurements
_width = MeasurementField(
_('Width'),
blank=True,
null=True,
measurement=Distance,
)
_height = MeasurementField(
_('Height'),
blank=True,
null=True,
measurement=Distance,
)
_depth = MeasurementField(
_('Depth'),
blank=True,
null=True,
measurement=Distance,
)
_weight = MeasurementField(
_('Weight'),
blank=True,
null=True,
measurement=Mass,
)
# Group
available_attributes = models.ManyToManyField(
'Attribute',
blank=True,
related_name='products_available_attributes',
verbose_name=_('Attributes'),
help_text=_(
'Select attributes that can be used in a Variant for this product.'
),
)
# Variant
group = models.ForeignKey(
'self',
models.CASCADE,
blank=True,
null=True,
related_name='variants',
verbose_name=_('Group'),
help_text=_('Select a Group product for this variation.'),
)
attributes = models.ManyToManyField(
'Attribute',
through='AttributeValue',
verbose_name=_('Attributes'),
)
published = models.DateTimeField(
_('Published'),
default=timezone.now,
)
quantity = models.IntegerField(
_('Quantity'),
blank=True,
null=True,
help_text=_(
'Number of available products to ship. Leave empty if product is always available, or set to 0 if product '
'is not available.'),
)
order = models.BigIntegerField(
_('Sort'),
default=0,
)
content = PlaceholderField('shopit_product_content')
objects = ProductManager()
lookup_fields = ['code__startswith', 'translations__name__icontains']
class Meta:
db_table = 'shopit_products'
verbose_name = _('Product')
verbose_name_plural = _('Products')
ordering = ['-order']
def __str__(self):
return self.product_name
def save(self, *args, **kwargs):
"""
Clean and clear product.
Set unique ordering value for product and it's variants based on
published timestamp. Force Single groups to a Group kind.
"""
self.clean()
self.clear()
if self.is_variant:
self.group.clear('_variants', '_invalid_variants', '_variations',
'_attribute_choices', '_combinations')
self.order = self.group.order
if self.group.is_single:
self.group.kind = Product.GROUP
self.group.save(update_fields=['kind'])
super(Product, self).save(*args, **kwargs)
else:
# Don't generate timestamp if published hasn't changed.
if self.pk is not None:
original = Product.objects.get(
pk=self.pk).published.strftime('%s')
if original == self.published.strftime('%s'):
super(Product, self).save(*args, **kwargs)
return
timestamp = int(self.published.strftime('%s'))
same = Product.objects.filter(order__startswith=timestamp).first()
timestamp = same.order + 1 if same else timestamp * 1000
self.order = timestamp
super(Product, self).save(*args, **kwargs)
if self.is_group:
for variant in self.get_variants():
variant.clear()
variant.order = timestamp
variant.save(update_fields=['order'])
def get_absolute_url(self, language=None):
if not language:
language = get_current_language()
with switch_language(self, language):
try:
return reverse('shopit-product-detail',
args=[self.safe_translation_getter('slug')])
except NoReverseMatch: # pragma: no cover
pass
@property
def product_name(self):
return self.safe_translation_getter(
'name', any_language=True) if self.pk else ''
@property
def product_code(self):
return self.code
@property
def is_single(self):
return self.kind == self.SINGLE
@property
def is_group(self):
return self.kind == self.GROUP
@property
def is_variant(self):
return self.kind == self.VARIANT
@property
def caption(self):
return self.get_attr('_caption', '', translated=True)
@caption.setter
def caption(self, value):
self._caption = value
@property
def description(self):
return self.get_attr('_description', '', translated=True)
@description.setter
def description(self, value):
self._description = value
@property
def category(self):
return self.get_attr('_category')
@category.setter
def category(self, value):
self._category = value
@property
def brand(self):
return self.get_attr('_brand')
@brand.setter
def brand(self, value):
self._brand = value
@property
def manufacturer(self):
return self.get_attr('_manufacturer')
@manufacturer.setter
def manufacturer(self, value):
self._manufacturer = value
@property
def unit_price(self):
return self.get_attr('_unit_price', 0)
@unit_price.setter
def unit_price(self, value):
self._unit_price = value
@property
def discount(self):
return self.get_attr('_discount')
@discount.setter
def discount(self, value):
self._discount = value
@property
def tax(self):
return self.get_attr('_tax') or getattr(self.category, 'tax', None)
@tax.setter
def tax(self, value):
self._tax = value
@property
def width(self):
return self.get_attr('_width')
@width.setter
def width(self, value):
self._width = value if isinstance(value, Distance) else Distance(
m=value)
@property
def height(self):
return self.get_attr('_height')
@height.setter
def height(self, value):
self._height = value if isinstance(value, Distance) else Distance(
m=value)
@property
def depth(self):
return self.get_attr('_depth')
@depth.setter
def depth(self, value):
self._depth = value if isinstance(value, Distance) else Distance(
m=value)
@property
def weight(self):
return self.get_attr('_weight')
@weight.setter
def weight(self, value):
self._weight = value if isinstance(value, Mass) else Mass(g=value)
@property
def price(self):
return self.get_price()
@property
def is_discounted(self):
return bool(self.discount_percent)
@property
def is_taxed(self):
return bool(self.tax_percent)
@property
def discount_percent(self):
return self.discount or Decimal('0.00')
@property
def tax_percent(self):
return getattr(self.tax, 'percent', Decimal('0.00'))
@property
def discount_amount(self):
return self.unit_price * self.discount_percent / 100
@property
def tax_amount(self):
return (self.unit_price -
self.discount_amount) * self.tax_percent / 100
@property
def primary_image(self):
return self.images.first()
@cached_property
def images(self):
images = self.attachments.filter(kind=Attachment.IMAGE)
return images or (self.group.images if self.is_variant else images)
@cached_property
def videos(self):
videos = self.attachments.filter(kind=Attachment.VIDEO)
return videos or (self.group.videos if self.is_variant else videos)
@cached_property
def files(self):
files = self.attachments.filter(kind=Attachment.FILE)
return files or (self.group.files if self.is_variant else files)
def get_price(self, request=None):
"""
Returns price with discount and tax calculated.
"""
return self.unit_price - self.discount_amount + self.tax_amount
def get_availability(self, request=None):
"""
Returns product availibility as list of tuples `(quantity, until)`
Method is not yet implemented in django-shop.
"""
availability = self.quantity if self.quantity is not None else True
if self.is_group:
availability = 0
elif self.is_variant and self not in self.group.get_variants():
availability = 0
return [(availability, datetime.max)]
def is_available(self, quantity=1, request=None):
"""
Returns if product is available for the given quantity. If request
is passed in, count items already in cart.
"""
if request:
cart = Cart.objects.get_or_create_from_request(request)
cart_item = self.is_in_cart(cart)
quantity += cart_item.quantity if cart_item else 0
now = timezone.now().replace(tzinfo=None)
number, until = self.get_availability(request)[0]
number = 100000 if number is True else number
available = number >= quantity and now < until
return available, int(number - quantity)
def get_modifiers(self, distinct=True):
"""
Returns all modifiers for this product.
Collects categorization and group modifiers.
"""
mods = getattr(self, '_mods', None)
if mods is None:
mods = self.modifiers.active()
if self.is_variant:
mods = mods | self.group.get_modifiers(distinct=False)
else:
if self.category:
mods = mods | self.category.get_modifiers(distinct=False)
if self.brand:
mods = mods | self.brand.get_modifiers(distinct=False)
if self.manufacturer:
mods = mods | self.manufacturer.get_modifiers(
distinct=False)
self.cache('_mods', mods)
return mods.distinct() if distinct else mods
def get_flags(self, distinct=True):
"""
Returns all flags for this product.
Collects categorization and group flags.
"""
flags = getattr(self, '_flags', None)
if flags is None:
flags = self.flags.active()
if self.is_variant:
flags = flags | self.group.get_flags(distinct=False)
if self.category:
flags = flags | self.category.get_flags(distinct=False)
if self.brand:
flags = flags | self.brand.get_flags(distinct=False)
if self.manufacturer:
flags = flags | self.manufacturer.get_flags(distinct=False)
self.cache('_flags', flags)
return flags.distinct() if distinct else flags
def get_available_attributes(self):
"""
Returns list of available attributes for Group and
Variant products.
"""
if self.is_group:
if not hasattr(self, '_available_attributes'):
self.cache('_available_attributes',
self.available_attributes.active())
return getattr(self, '_available_attributes')
def get_attributes(self):
"""
Returns a dictionary containing Variant attributes.
"""
if self.is_variant:
attrs = getattr(self, '_attributes', OrderedDict())
if not attrs:
for value in self.attribute_values.select_related('attribute'):
attrs[value.attribute.key] = value.as_dict
self.cache('_attributes', attrs)
return attrs
def get_variants(self):
"""
Returns valid variants of a Group product.
"""
if self.is_group:
variants = getattr(self, '_variants', None)
if variants is None:
variants = self.variants.all()
invalid = [x.pk for x in self.get_invalid_variants()]
variants = self.variants.exclude(pk__in=invalid)
self.cache('_variants', variants)
return variants
def get_invalid_variants(self):
"""
Returns variants that whose attributes don't match available
attributes and they need to be re-configured or deleted.
"""
if self.is_group:
if not hasattr(self, '_invalid_variants'):
invalid = []
valid_attrs = [
] # Keep track of valid attrs to check for duplicates.
codes = sorted(self.get_available_attributes().values_list(
'code', flat=True))
for variant in self.variants.all():
attrs = variant.get_attributes()
if (attrs in valid_attrs
or sorted(x['code']
for x in attrs.values()) != codes
or True in [
not x['nullable'] and x['value'] == ''
for x in attrs.values()
]):
invalid.append(variant)
else:
valid_attrs.append(attrs)
self.cache('_invalid_variants', invalid)
return getattr(self, '_invalid_variants')
def get_variations(self):
"""
Returns a list of tuples containing a variant id and it's attributes.
"""
if self.is_group:
if not hasattr(self, '_variations'):
variations = [(x.pk, x.get_attributes())
for x in self.get_variants()]
self.cache('_variations', variations)
return getattr(self, '_variations')
def get_attribute_choices(self):
"""
Returns available attribute choices for a group product, filtering
only the used ones. Used to display dropdown fields on a group
product to select a variant.
"""
if self.is_group:
if not hasattr(self, '_attribute_choices'):
used = [
tuple([y['code'], y['value']])
for x in self.get_variations() for y in x[1].values()
]
attrs = OrderedDict()
for attr in self.get_available_attributes():
data = attr.as_dict
data['choices'] = [
x.as_dict for x in attr.get_choices()
if (x.attribute.code, x.value) in used
]
if data['choices']:
attrs[attr.code] = data
self.cache('_attribute_choices', attrs)
return getattr(self, '_attribute_choices')
def get_combinations(self):
"""
Returns all available Variant combinations for a Group product
based on `Available attributes` field, replacing the existant
variants with actual variant data. Variants with attributes
missing or not specified in `Available attributes` will not be
included. This is used to show possible combinations in admin,
as well as creating them automatically.
"""
if self.is_group:
if not hasattr(self, '_combinations'):
values = []
for attr in self.get_available_attributes():
vals = [
AttributeValue(attribute=attr, choice=x)
for x in attr.get_choices()
]
if vals:
values.append(vals)
combinations = []
if values:
for combo in itertools.product(*values):
attrs = OrderedDict([(x.attribute.code, x.value)
for x in combo])
name = self.safe_translation_getter('name',
any_language=True)
name = '%s %s' % (name, ' '.join(
[x.label for x in combo if x.label != '-']))
name = name.rstrip()
slug = slugify(name)
languages = []
variant = self.get_variant(attrs)
if variant:
name = variant.safe_translation_getter(
'name', name)
slug = variant.safe_translation_getter(
'slug', slug)
languages = variant.get_available_languages()
combinations.append({
'pk':
variant.pk if variant else None,
'name':
name,
'slug':
slug,
'code':
variant.code if variant else None,
'price':
variant.get_price() if variant else None,
'quantity':
variant.quantity if variant else None,
'languages':
languages,
'attributes':
OrderedDict([(x.attribute.code, x.as_dict)
for x in combo])
})
self.cache('_combinations', combinations)
return getattr(self, '_combinations')
def get_attachments(self):
"""
Returns all attachments as a dictionary.
If Product is a Variant and has not attachments itself,
group attachemts are inherited.
"""
attachments = getattr(self, '_attachments', None)
if attachments is None:
attachments = {
'images': [x.as_dict for x in self.images] or None,
'videos': [x.as_dict for x in self.videos] or None,
'files': [x.as_dict for x in self.files] or None,
}
self.cache('_attachments', attachments)
return attachments
def get_relations(self):
"""
Returns relations for a Single or Group product.
"""
if not self.is_variant:
if not hasattr(self, '_relations'):
self.cache('_relations', self.relations.all())
return getattr(self, '_relations')
def get_related_products(self, kind=None):
"""
Returns related products with the given kind. Variants inherit their
related products from a Group.
"""
if self.is_variant:
return self.group.get_related_products(kind)
relations = self.get_relations()
if kind is not None:
relations = relations.filter(kind=kind)
return [x.product for x in relations]
def get_reviews(self, language=None, include_inactive=False):
"""
Returns reviews for this product, uses the group product for varaints.
"""
if not self.is_variant:
reviews = getattr(self, '_reviews', None)
if include_inactive:
reviews = self.reviews.all()
if reviews is None:
reviews = self.reviews.active()
self.cache('_reviews', reviews)
if language is not None:
return reviews.filter(language=language)
return reviews
def get_variant(self, attrs):
"""
Returns a Variant with the given attribute values for this Group.
eg. attrs = {'code': 'value', 'code2': 'value2'}
"""
if self.is_group:
for variant in self.get_variants():
current = [(x['code'], x['value'])
for x in variant.get_attributes().values()]
if (sorted(attrs.items()) == sorted(current)):
return variant
def filter_variants(self, attrs):
"""
Returns a list of Variant products for this Group that contain
attribute values passed in as `attrs`.
eg. attrs = {'code': 'value', 'code2': 'value2'}
"""
if self.is_group:
variants = []
for variant in self.get_variants():
valid = True
current = [(x['code'], x['value'])
for x in variant.get_attributes().values()]
for attr in attrs.items():
if attr not in current:
valid = False
break
if valid:
variants.append(variant)
return variants
def create_variant(self, combo, language=None):
"""
Create a variant with the given `combo` object from
the `get_combinations` method.
"""
if self.is_group:
if not language:
language = get_current_language()
slug = combo['slug']
code = combo['code'] or Product.objects.latest('pk').pk + 1
num = 0
while Product.objects.translated(slug=slug).exists():
num = num + 1
slug = '%s-%d' % (combo['slug'], num)
while Product.objects.filter(
code=code, translations__language_code=language).exists():
code = int(code) + 1
variant, created = Product.objects.get_or_create(
code=code, kind=Product.VARIANT, group=self)
variant.set_current_language(language)
variant.name = combo['name']
variant.slug = slug
variant.save()
if created:
for attr_value in combo['attributes'].values():
attr = Attribute.objects.get(code=attr_value['code'])
if attr_value['value'] == '' and attr.nullable:
choice = None
else:
choice = attr.choices.get(pk=attr_value['choice'])
AttributeValue.objects.create(attribute=attr,
product=variant,
choice=choice)
return variant
@method_decorator(transaction.atomic)
def create_all_variants(self, language=None):
"""
Creates all missing variants for the group.
"""
if self.is_group:
variants = []
if not language:
language = get_current_language()
for combo in self.get_combinations():
if not combo['pk'] or language not in combo['languages']:
variants.append(
self.create_variant(combo, language=language))
return variants
def get_attr(self, name, case=None, translated=False):
class Commodity(CMSPageReferenceMixin, CommodityMixin, BaseProduct):
"""
Generic Product Commodity to be used whenever the merchant does not require product specific
attributes and just required a placeholder field to add arbitrary data.
"""
# common product fields
product_name = models.CharField(
max_length=255,
verbose_name=_("Product Name"),
)
product_code = models.CharField(
_("Product code"),
max_length=255,
unique=True,
)
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_("Net price for this product"),
)
# controlling the catalog
order = models.PositiveIntegerField(
verbose_name=_("Sort by"),
db_index=True,
)
cms_pages = models.ManyToManyField(
'cms.Page',
through=ProductPage,
help_text=_("Choose list view this product shall appear on."),
)
sample_image = image.FilerImageField(
verbose_name=_("Sample Image"),
blank=True,
null=True,
default=None,
on_delete=models.SET_DEFAULT,
help_text=_("Sample image used in the catalog's list view."),
)
show_breadcrumb = models.BooleanField(
_("Show Breadcrumb"),
default=True,
help_text=_(
"Shall the detail page show the product's breadcrumb."),
)
placeholder = PlaceholderField("Commodity Details")
quantity = models.PositiveIntegerField(
_("Quantity"),
default=0,
validators=[MinValueValidator(0)],
help_text=_("Available quantity in stock"))
# common fields for the catalog's list- and detail views
slug = models.SlugField(verbose_name=_("Slug"))
caption = HTMLField(
verbose_name=_("Caption"),
blank=True,
null=True,
help_text=_("Short description for the catalog list view."),
)
# filter expression used to search for a product item using the Select2 widget
lookup_fields = ['product_code__startswith', 'product_name__icontains']
objects = BaseProductManager()
class Meta:
app_label = app_settings.APP_LABEL
ordering = ('order', )
verbose_name = _("Commodity")
verbose_name_plural = _("Commodities")
def __str__(self):
return self.product_code
class LamellaFix(Product):
# common product fields
unit_price = MoneyField(
_("Unit price"),
decimal_places=3,
help_text=_(" per unit"),
)
LAM_WIDTH = (('38', '38 mm'), ('53', '53 mm'), ('63', '63 mm'), ('68', '68 mm'))
lamella_width = models.CharField(
_('width'),
default=53,
max_length=6,
choices=LAM_WIDTH,
help_text=_("Lammelas width")
)
length = models.CharField(
_("Lamella's length"),
max_length=25,
blank=True,
)
depth = models.CharField(
_("Lamella's depth"),
max_length=25,
blank=True,
)
weight = models.CharField(
_('weight'),
default=0,
max_length=6,
help_text=_("Weight of item, kg")
)
is_lamella = models.BooleanField(
_("Lamella"),
default=True,
help_text=_("Is this lamella (for calculating weight)."),
)
weight_by_hand = models.BooleanField(
_("Enter weight by hand"),
default=False,
help_text=_("For enter lamella weight by hand"),
)
discont_scheme = models.ForeignKey(Discount, blank=True, on_delete=models.CASCADE)
product_code = models.CharField(
_("Product code"),
max_length=255,
blank=True,
)
description = HTMLField(
verbose_name=_("Description"),
configuration='CKEDITOR_SETTINGS_DESCRIPTION',
help_text=_("Full description used in the catalog's detail view of Smart Cards."),
)
default_manager = BaseProductManager()
class Meta:
verbose_name = _("Lamella")
verbose_name_plural = _("Lamellas")
def is_unique_scu(self, scu):
scu = str(scu)
try:
LamellaFix.objects.get(product_code=scu)
return False
except:
return True
def set_num_scu(self, scu, n):
scu = str(scu)
while len(scu) <= int(n):
scu = '0'+ scu
return scu
def get_max_scu(self):
codes = LamellaFix.objects.all()
max_scu = 0
for code in codes:
code = int(code.product_code)
if code > max_scu:
max_scu = code
return max_scu
def save(self, *args, **kwargs):
if not self.product_code or not self.is_unique_scu(self.product_code):
max_scu = int(self.get_max_scu())
while True:
new_scu = max_scu + 1
if self.is_unique_scu(new_scu):
self.product_code = self.set_num_scu(new_scu, 4)
break
# TODO: unique product_code
if(self.is_lamella and not self.weight_by_hand):
m = 0.00075 # calculated empiric method
vol = float(self.length) * float(self.lamella_width) * float(self.depth)
self.weight = round((vol * m / 1000), 3)
super(LamellaFix, self).save(*args, **kwargs)
def get_price(self, request):
return self.unit_price
def get_rebate(self, x):
some_str = self.discont_scheme.discont_scheme.split("\r\n")
x = int(x)
temp_discont = 0
for i in some_str:
discont = i.split(":")
num = int(discont[0]) #get first element of tuple for get quantity in db
if x>=num:
temp_discont = int(discont[1])
elif x<=num:
return temp_discont
return temp_discont
def test_from_db_value():
f = MoneyField(currency='EUR', null=True)
assert f.from_db_value(Decimal('3'), None, None) == EUR('3')
assert f.from_db_value(3.45, None, None) == EUR('3.45')
assert f.from_db_value(None, None, None) is None
def test_get_prep_value():
f = MoneyField(currency='EUR', null=True)
assert f.get_prep_value(EUR('3')) == Decimal('3')
class Modifier(TranslatableModel):
STANDARD = 'standard'
DISCOUNT = 'discount'
CART = 'cart'
KINDS = (
(STANDARD, _('Standard')),
(DISCOUNT, _('Discount')),
(CART, _('Cart')),
)
translations = TranslatedFields(name=models.CharField(
_('Name'),
max_length=128,
), )
code = models.SlugField(
_('Code'),
unique=True,
help_text=_('Unique identifier for this modifier.'),
)
amount = MoneyField(
_('Amount'),
default=0,
help_text=('Amount that should be added. Can be negative.'),
)
percent = models.DecimalField(
_('Percent'),
blank=True,
null=True,
max_digits=4,
decimal_places=2,
help_text=
_('Percent that should be added, overrides the amount. Can be negative.'
),
)
kind = models.CharField(
_('Kind'),
max_length=16,
choices=KINDS,
default=STANDARD,
help_text=_(
'Standard affects the product regardles, Discount checks for a "Discountable" flag on a product and '
'should be negative, Cart will affect an entire cart.'),
)
active = models.BooleanField(
_('Active'),
default=True,
help_text=_('Is this modifier publicly visible.'),
)
created_at = models.DateTimeField(
_('Created at'),
auto_now_add=True,
)
updated_at = models.DateTimeField(
_('Updated at'),
auto_now=True,
)
order = models.PositiveIntegerField(
_('Sort'),
default=0,
)
objects = ModifierQuerySet.as_manager()
class Meta:
db_table = 'shopit_modifiers'
verbose_name = _('Modifier')
verbose_name_plural = _('Modifiers')
ordering = ['order']
def __str__(self):
return self.label
def save(self, *args, **kwargs):
self.clean()
super(Modifier, self).save(*args, **kwargs)
@property
def label(self):
return self.safe_translation_getter('name', any_language=True)
@property
def requires_code(self):
return self.discount_codes.active().exists()
@property
def is_filtering_enabled(self):
return Modifier.objects.filtering_enabled().active().filter(
id=self.id).exists()
def get_conditions(self):
if not hasattr(self, '_conditions'):
setattr(self, '_conditions', list(self.conditions.all()))
return getattr(self, '_conditions')
def get_discount_codes(self, include_added=False):
key = '_discount_codes_added' if include_added else '_discount_codes'
if not hasattr(self, key):
setattr(
self, key,
list(self.discount_codes.valid(include_added=include_added)))
return getattr(self, key)
def get_added_amount(self, price, quantity=1):
return self.percent * price / 100 if self.percent else self.amount * quantity
def can_be_applied(self, request, cart_item=None, cart=None):
"""
Returns if a modifier can be applied to the given cart or cart item.
Either `cart_item` or `cart` must be passed in.
"""
if cart_item is None and cart is None:
return False
if cart_item and not self.is_eligible_product(cart_item.product):
return False
for condition in self.get_conditions():
if not condition.is_met(request, cart_item, cart):
return False
if self.requires_code and not self.is_code_applied(
cart_item.cart_id if cart_item else cart.id):
return False
return self.active # Should never happen to be False up to this point, but just in case.
def is_eligible_product(self, product):
"""
Returns if modifier can be applied to the given product.
"""
if self.kind == self.DISCOUNT:
return product.discountable
return self.kind == self.STANDARD
def is_code_applied(self, cart_id):
"""
Make sure that at least one code is applied to the given cart.
"""
cart_codes = CartDiscountCode.objects.filter(
cart_id=cart_id).values_list('code', flat=True)
for code in self.get_discount_codes(include_added=True):
if code.code in cart_codes:
return True
return False
def clean(self):
if self.kind == self.DISCOUNT:
if self.percent and self.percent >= 0 or not self.percent and self.amount >= 0:
raise ValidationError(em('discount_not_negative'))
@classmethod
def get_cart_modifiers(cls):
return cls.objects.filter(kind=cls.CART)