def build_delivery_address_form(request):
""" Builds a form class representing form asking for delivery addresses for items of an order. """
def init(self, *args, **kwargs):
kwargs["initial"] = self.__initial
super(self.__class__, self).__init__(*args, **kwargs)
def has_items(self):
""" Returns True if there are items which to choose addresses for. """
return self.__items.exists()
def has_addresses(self):
""" Returns True if there are addresses which to choose from. """
return self.__addresses.exists()
def get_address_fields(self):
""" Iterates through all address field_dict in form. """
for name in self.__address_fields:
yield BoundField(self, self.__address_fields[name], name)
def get_item_address_pairs(self):
""" Iterates through all (order items / address) pairs displayed on the form. """
for field_name in self.__address_fields:
yield (self.__items.get(id__exact=field_name.split("_")[1]),
self.cleaned_data.get(field_name))
def clean_hdnValidationHash(self):
""" Ensures that the validation hash gotten from sent form is correct. """
given_hash = self.cleaned_data.get("hdnValidationHash")
our_hash = ShoppingCartItem.validation_hash_for_shopping_cart(request)
if not given_hash == our_hash:
self.add_common_error(CHECKOUT_ERR_MSG_INVALID_HASH)
items = ShoppingCartItem.items_of_user_with_albums_and_addresses(
request.user)
addresses = Address.addresses_of_user(request.user)
validation_hash = ShoppingCartItem.validation_hash_for_shopping_cart(
request)
field_dict = {}
address_field_dict = {}
initial_value_dict = {}
field_dict["hdnValidationHash"] = forms.CharField(
widget=forms.HiddenInput())
initial_value_dict["hdnValidationHash"] = validation_hash
for item in items:
field_name = u"cmbAddress_" + unicode(item.id)
new_field = DeliveryAddressChoiceField(queryset=addresses,
empty_label=None,
label=item.album.title)
field_dict[field_name] = new_field
address_field_dict[field_name] = new_field
if item.deliveryAddress:
initial_value_dict[field_name] = item.deliveryAddress
members = {
"__request": request,
"__items": items,
"__addresses": addresses,
"__validation_hash": validation_hash,
"base_fields": field_dict,
"__address_fields": address_field_dict,
"__initial": initial_value_dict,
"has_items": has_items,
"has_addresses": has_addresses,
"address_fields": get_address_fields,
"item_address_pairs": get_item_address_pairs,
"clean_hdnValidationHash": clean_hdnValidationHash,
"__init__": init
}
return type("DeliveryAddressForm", (CommonAlbumizerBaseForm, ), members)
def build_delivery_address_form(request):
""" Builds a form class representing form asking for delivery addresses for items of an order. """
def init(self, *args, **kwargs):
kwargs["initial"] = self.__initial
super(self.__class__, self).__init__(*args, **kwargs)
def has_items(self):
""" Returns True if there are items which to choose addresses for. """
return self.__items.exists()
def has_addresses(self):
""" Returns True if there are addresses which to choose from. """
return self.__addresses.exists()
def get_address_fields(self):
""" Iterates through all address field_dict in form. """
for name in self.__address_fields:
yield BoundField(self, self.__address_fields[name], name)
def get_item_address_pairs(self):
""" Iterates through all (order items / address) pairs displayed on the form. """
for field_name in self.__address_fields:
yield (self.__items.get(id__exact = field_name.split("_")[1]),
self.cleaned_data.get(field_name))
def clean_hdnValidationHash(self):
""" Ensures that the validation hash gotten from sent form is correct. """
given_hash = self.cleaned_data.get("hdnValidationHash")
our_hash = ShoppingCartItem.validation_hash_for_shopping_cart(request)
if not given_hash == our_hash:
self.add_common_error(CHECKOUT_ERR_MSG_INVALID_HASH)
items = ShoppingCartItem.items_of_user_with_albums_and_addresses(request.user)
addresses = Address.addresses_of_user(request.user)
validation_hash = ShoppingCartItem.validation_hash_for_shopping_cart(request)
field_dict = {}
address_field_dict = {}
initial_value_dict = {}
field_dict["hdnValidationHash"] = forms.CharField(
widget = forms.HiddenInput()
)
initial_value_dict["hdnValidationHash"] = validation_hash
for item in items:
field_name = u"cmbAddress_" + unicode(item.id)
new_field = DeliveryAddressChoiceField(
queryset = addresses,
empty_label = None,
label = item.album.title
)
field_dict[field_name] = new_field
address_field_dict[field_name] = new_field
if item.deliveryAddress:
initial_value_dict[field_name] = item.deliveryAddress
members = {
"__request": request,
"__items": items,
"__addresses": addresses,
"__validation_hash": validation_hash,
"base_fields": field_dict,
"__address_fields": address_field_dict,
"__initial": initial_value_dict,
"has_items": has_items,
"has_addresses": has_addresses,
"address_fields": get_address_fields,
"item_address_pairs": get_item_address_pairs,
"clean_hdnValidationHash": clean_hdnValidationHash,
"__init__": init
}
return type("DeliveryAddressForm", (CommonAlbumizerBaseForm,), members)
