def get_purchasability_errors(self, supplier, customer, quantity, ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be purchasable.
Shop product to be purchasable it has to have purchasable attribute set on
and pass all quantity and supplier checks.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
if not self.purchasable:
yield ValidationError(_("The product is not purchasable."), code="not_purchasable")
for error in self.get_quantity_errors(quantity, ignore_minimum):
yield error
for error in self.get_supplier_errors(supplier, customer, quantity, ignore_minimum):
yield error
# TODO: Remove from Shuup 2.0
for receiver, response in get_orderability_errors.send(
ShopProduct, shop_product=self, customer=customer, supplier=supplier, quantity=quantity
):
warnings.warn("Warning! Orderability errors through signals are deprecated.", DeprecationWarning)
for error in response:
yield error
def get_purchasability_errors(self, supplier, customer, quantity, ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be purchasable.
Shop product to be purchasable it has to have purchasable attribute set on
and pass all quantity and supplier checks.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
if not self.purchasable:
yield ValidationError(_('The product is not purchasable'), code="not_purchasable")
for error in self.get_quantity_errors(quantity, ignore_minimum):
yield error
for error in self.get_supplier_errors(supplier, customer, quantity, ignore_minimum):
yield error
# TODO: Remove from Shuup 2.0
for receiver, response in get_orderability_errors.send(
ShopProduct, shop_product=self, customer=customer, supplier=supplier, quantity=quantity
):
warnings.warn("Orderability errors through signals are deprecated", DeprecationWarning)
for error in response:
yield error
def get_orderability_errors( # noqa (C901)
self,
supplier,
quantity,
customer,
ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be orderable.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
for error in self.get_visibility_errors(customer):
yield error
if supplier is None and not self.suppliers.exists():
# `ShopProduct` must have at least one `Supplier`.
# If supplier is not given and the `ShopProduct` itself
# doesn't have suppliers we cannot sell this product.
yield ValidationError(_('The product has no supplier.'),
code="no_supplier")
if not ignore_minimum and quantity < self.minimum_purchase_quantity:
yield ValidationError(_(
'The purchase quantity needs to be at least %d for this product.'
) % self.minimum_purchase_quantity,
code="purchase_quantity_not_met")
if supplier and not self.suppliers.filter(pk=supplier.pk).exists():
yield ValidationError(_('The product is not supplied by %s.') %
supplier,
code="invalid_supplier")
if self.product.mode == ProductMode.SIMPLE_VARIATION_PARENT:
sellable = False
for child_product in self.product.variation_children.all():
child_shop_product = child_product.get_shop_instance(self.shop)
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"),
code="no_sellable_children")
elif self.product.mode == ProductMode.VARIABLE_VARIATION_PARENT:
from shuup.core.models import ProductVariationResult
sellable = False
for combo in self.product.get_all_available_combinations():
res = ProductVariationResult.resolve(
self.product, combo["variable_to_value"])
if not res:
continue
child_shop_product = res.get_shop_instance(self.shop)
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"),
code="no_sellable_children")
if self.product.is_package_parent():
for child_product, child_quantity in six.iteritems(
self.product.get_package_child_to_quantity_map()):
try:
child_shop_product = child_product.get_shop_instance(
shop=self.shop, allow_cache=False)
except ShopProduct.DoesNotExist:
yield ValidationError("%s: Not available in %s" %
(child_product, self.shop),
code="invalid_shop")
else:
for error in child_shop_product.get_orderability_errors(
supplier=supplier,
quantity=(quantity * child_quantity),
customer=customer,
ignore_minimum=ignore_minimum):
message = getattr(error, "message", "")
code = getattr(error, "code", None)
yield ValidationError("%s: %s" %
(child_product, message),
code=code)
if supplier and self.product.stock_behavior == StockBehavior.STOCKED:
for error in supplier.get_orderability_errors(self,
quantity,
customer=customer):
yield error
purchase_multiple = self.purchase_multiple
if quantity > 0 and purchase_multiple > 0 and (quantity %
purchase_multiple) != 0:
p = (quantity // purchase_multiple)
smaller_p = max(purchase_multiple, p * purchase_multiple)
larger_p = max(purchase_multiple, (p + 1) * purchase_multiple)
render_qty = self.unit.render_quantity
if larger_p == smaller_p:
message = _("The product can only be ordered in multiples of "
"{package_size}, for example {amount}").format(
package_size=render_qty(purchase_multiple),
amount=render_qty(smaller_p))
else:
message = _("The product can only be ordered in multiples of "
"{package_size}, for example {smaller_amount} or "
"{larger_amount}").format(
package_size=render_qty(purchase_multiple),
smaller_amount=render_qty(smaller_p),
larger_amount=render_qty(larger_p))
yield ValidationError(message, code="invalid_purchase_multiple")
for receiver, response in get_orderability_errors.send(
ShopProduct,
shop_product=self,
customer=customer,
supplier=supplier,
quantity=quantity):
for error in response:
yield error
def get_orderability_errors( # noqa (C901)
self,
supplier,
quantity,
customer,
ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be orderable.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
for error in self.get_visibility_errors(customer):
yield error
if supplier is None and not self.suppliers.exists():
# `ShopProduct` must have at least one `Supplier`.
# If supplier is not given and the `ShopProduct` itself
# doesn't have suppliers we cannot sell this product.
yield ValidationError(_('The product has no supplier.'),
code="no_supplier")
if not ignore_minimum and quantity < self.minimum_purchase_quantity:
yield ValidationError(_(
'The purchase quantity needs to be at least %d for this product.'
) % self.minimum_purchase_quantity,
code="purchase_quantity_not_met")
if supplier and not self.suppliers.filter(pk=supplier.pk).exists():
yield ValidationError(_('The product is not supplied by %s.') %
supplier,
code="invalid_supplier")
if self.product.mode == ProductMode.SIMPLE_VARIATION_PARENT:
sellable = False
for child_product in self.product.variation_children.all():
try:
child_shop_product = child_product.get_shop_instance(
self.shop)
except ShopProduct.DoesNotExist:
continue
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"),
code="no_sellable_children")
elif self.product.mode == ProductMode.VARIABLE_VARIATION_PARENT:
from shuup.core.models import ProductVariationResult
sellable = False
for combo in self.product.get_all_available_combinations():
res = ProductVariationResult.resolve(
self.product, combo["variable_to_value"])
if not res:
continue
try:
child_shop_product = res.get_shop_instance(self.shop)
except ShopProduct.DoesNotExist:
continue
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"),
code="no_sellable_children")
elif self.product.is_package_parent():
for child_product, child_quantity in six.iteritems(
self.product.get_package_child_to_quantity_map()):
try:
child_shop_product = child_product.get_shop_instance(
shop=self.shop, allow_cache=False)
except ShopProduct.DoesNotExist:
yield ValidationError("%s: Not available in %s" %
(child_product, self.shop),
code="invalid_shop")
else:
for error in child_shop_product.get_orderability_errors(
supplier=supplier,
quantity=(quantity * child_quantity),
customer=customer,
ignore_minimum=ignore_minimum):
message = getattr(error, "message", "")
code = getattr(error, "code", None)
yield ValidationError("%s: %s" %
(child_product, message),
code=code)
elif supplier: # Test supplier orderability only for variation children and normal products
for error in supplier.get_orderability_errors(self,
quantity,
customer=customer):
yield error
for error in self.get_quantity_errors(quantity):
yield error
for receiver, response in get_orderability_errors.send(
ShopProduct,
shop_product=self,
customer=customer,
supplier=supplier,
quantity=quantity):
for error in response:
yield error
def get_orderability_errors( # noqa (C901)
self, supplier, quantity, customer, ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be orderable.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
for error in self.get_visibility_errors(customer):
yield error
if supplier is None and not self.suppliers.exists():
# `ShopProduct` must have at least one `Supplier`.
# If supplier is not given and the `ShopProduct` itself
# doesn't have suppliers we cannot sell this product.
yield ValidationError(
_('The product has no supplier.'),
code="no_supplier"
)
if not ignore_minimum and quantity < self.minimum_purchase_quantity:
yield ValidationError(
_('The purchase quantity needs to be at least %d for this product.') % self.minimum_purchase_quantity,
code="purchase_quantity_not_met"
)
if supplier and not self.suppliers.filter(pk=supplier.pk).exists():
yield ValidationError(
_('The product is not supplied by %s.') % supplier,
code="invalid_supplier"
)
if self.product.is_package_parent():
for child_product, child_quantity in six.iteritems(self.product.get_package_child_to_quantity_map()):
child_shop_product = child_product.get_shop_instance(shop=self.shop)
if not child_shop_product:
yield ValidationError("%s: Not available in %s" % (child_product, self.shop), code="invalid_shop")
for error in child_shop_product.get_orderability_errors(
supplier=supplier,
quantity=(quantity * child_quantity),
customer=customer,
ignore_minimum=ignore_minimum
):
code = getattr(error, "code", None)
yield ValidationError("%s: %s" % (child_product, error), code=code)
if supplier and self.product.stock_behavior == StockBehavior.STOCKED:
for error in supplier.get_orderability_errors(self, quantity, customer=customer):
yield error
purchase_multiple = self.purchase_multiple
if quantity > 0 and purchase_multiple > 1 and (quantity % purchase_multiple) != 0:
p = (quantity // purchase_multiple)
smaller_p = max(purchase_multiple, p * purchase_multiple)
larger_p = max(purchase_multiple, (p + 1) * purchase_multiple)
if larger_p == smaller_p:
message = _('The product can only be ordered in multiples of %(package_size)s, '
'for example %(smaller_p)s %(unit)s.') % {
"package_size": purchase_multiple,
"smaller_p": smaller_p,
"unit": self.product.sales_unit,
}
else:
message = _('The product can only be ordered in multiples of %(package_size)s, '
'for example %(smaller_p)s or %(larger_p)s %(unit)s.') % {
"package_size": purchase_multiple,
"smaller_p": smaller_p,
"larger_p": larger_p,
"unit": self.product.sales_unit,
}
yield ValidationError(message, code="invalid_purchase_multiple")
for receiver, response in get_orderability_errors.send(
ShopProduct, shop_product=self, customer=customer, supplier=supplier, quantity=quantity
):
for error in response:
yield error
def get_orderability_errors( # noqa (C901)
self,
supplier,
quantity,
customer,
ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be orderable.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
for error in self.get_visibility_errors(customer):
yield error
if supplier is None and not self.suppliers.exists():
# `ShopProduct` must have at least one `Supplier`.
# If supplier is not given and the `ShopProduct` itself
# doesn't have suppliers we cannot sell this product.
yield ValidationError(_('The product has no supplier.'),
code="no_supplier")
if not ignore_minimum and quantity < self.minimum_purchase_quantity:
yield ValidationError(_(
'The purchase quantity needs to be at least %d for this product.'
) % self.minimum_purchase_quantity,
code="purchase_quantity_not_met")
if supplier and not self.suppliers.filter(pk=supplier.pk).exists():
yield ValidationError(_('The product is not supplied by %s.') %
supplier,
code="invalid_supplier")
if self.product.is_package_parent():
for child_product, child_quantity in six.iteritems(
self.product.get_package_child_to_quantity_map()):
child_shop_product = child_product.get_shop_instance(
shop=self.shop)
if not child_shop_product:
yield ValidationError("%s: Not available in %s" %
(child_product, self.shop),
code="invalid_shop")
for error in child_shop_product.get_orderability_errors(
supplier=supplier,
quantity=(quantity * child_quantity),
customer=customer,
ignore_minimum=ignore_minimum):
code = getattr(error, "code", None)
yield ValidationError("%s: %s" % (child_product, error),
code=code)
if supplier and self.product.stock_behavior == StockBehavior.STOCKED:
for error in supplier.get_orderability_errors(self,
quantity,
customer=customer):
yield error
purchase_multiple = self.purchase_multiple
if quantity > 0 and purchase_multiple > 1 and (quantity %
purchase_multiple) != 0:
p = (quantity // purchase_multiple)
smaller_p = max(purchase_multiple, p * purchase_multiple)
larger_p = max(purchase_multiple, (p + 1) * purchase_multiple)
if larger_p == smaller_p:
message = _(
'The product can only be ordered in multiples of %(package_size)s, '
'for example %(smaller_p)s %(unit)s.') % {
"package_size": purchase_multiple,
"smaller_p": smaller_p,
"unit": self.product.sales_unit,
}
else:
message = _(
'The product can only be ordered in multiples of %(package_size)s, '
'for example %(smaller_p)s or %(larger_p)s %(unit)s.') % {
"package_size": purchase_multiple,
"smaller_p": smaller_p,
"larger_p": larger_p,
"unit": self.product.sales_unit,
}
yield ValidationError(message, code="invalid_purchase_multiple")
for receiver, response in get_orderability_errors.send(
ShopProduct,
shop_product=self,
customer=customer,
supplier=supplier,
quantity=quantity):
for error in response:
yield error
def get_orderability_errors( # noqa (C901)
self, supplier, quantity, customer, ignore_minimum=False):
"""
Yield ValidationErrors that would cause this product to not be orderable.
:param supplier: Supplier to order this product from. May be None.
:type supplier: shuup.core.models.Supplier
:param quantity: Quantity to order.
:type quantity: int|Decimal
:param customer: Customer contact.
:type customer: shuup.core.models.Contact
:param ignore_minimum: Ignore any limitations caused by quantity minimums.
:type ignore_minimum: bool
:return: Iterable[ValidationError]
"""
for error in self.get_visibility_errors(customer):
yield error
if supplier is None and not self.suppliers.exists():
# `ShopProduct` must have at least one `Supplier`.
# If supplier is not given and the `ShopProduct` itself
# doesn't have suppliers we cannot sell this product.
yield ValidationError(
_('The product has no supplier.'),
code="no_supplier"
)
if not ignore_minimum and quantity < self.minimum_purchase_quantity:
yield ValidationError(
_('The purchase quantity needs to be at least %d for this product.') % self.minimum_purchase_quantity,
code="purchase_quantity_not_met"
)
if supplier and not self.suppliers.filter(pk=supplier.pk).exists():
yield ValidationError(
_('The product is not supplied by %s.') % supplier,
code="invalid_supplier"
)
if self.product.mode == ProductMode.SIMPLE_VARIATION_PARENT:
sellable = False
for child_product in self.product.variation_children.all():
child_shop_product = child_product.get_shop_instance(self.shop)
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False
):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"), code="no_sellable_children")
elif self.product.mode == ProductMode.VARIABLE_VARIATION_PARENT:
from shuup.core.models import ProductVariationResult
sellable = False
for combo in self.product.get_all_available_combinations():
res = ProductVariationResult.resolve(self.product, combo["variable_to_value"])
if not res:
continue
child_shop_product = res.get_shop_instance(self.shop)
if child_shop_product.is_orderable(
supplier=supplier,
customer=customer,
quantity=child_shop_product.minimum_purchase_quantity,
allow_cache=False
):
sellable = True
break
if not sellable:
yield ValidationError(_("Product has no sellable children"), code="no_sellable_children")
if self.product.is_package_parent():
for child_product, child_quantity in six.iteritems(self.product.get_package_child_to_quantity_map()):
try:
child_shop_product = child_product.get_shop_instance(shop=self.shop, allow_cache=False)
except ShopProduct.DoesNotExist:
yield ValidationError("%s: Not available in %s" % (child_product, self.shop), code="invalid_shop")
else:
for error in child_shop_product.get_orderability_errors(
supplier=supplier,
quantity=(quantity * child_quantity),
customer=customer,
ignore_minimum=ignore_minimum
):
message = getattr(error, "message", "")
code = getattr(error, "code", None)
yield ValidationError("%s: %s" % (child_product, message), code=code)
if supplier and self.product.stock_behavior == StockBehavior.STOCKED:
for error in supplier.get_orderability_errors(self, quantity, customer=customer):
yield error
for error in self.get_quantity_errors(quantity):
yield error
for receiver, response in get_orderability_errors.send(
ShopProduct, shop_product=self, customer=customer, supplier=supplier, quantity=quantity
):
for error in response:
yield error
