def force_recalculate_total(self, save=True):
"""Calculates sub_total, taxes and total."""
zero = Decimal("0.0000000000")
total_discount = Decimal("0.0000000000")
discount = Discount.objects.by_code(self.discount_code)
discount.calc(self)
discounts = discount.item_discounts
itemprices = []
fullprices = []
for lineitem in self.orderitem_set.all():
lid = lineitem.id
if lid in discounts:
lineitem.discount = discounts[lid]
else:
lineitem.discount = zero
# now double check against other discounts, such as tiered discounts
adjustment = get_product_quantity_adjustments(lineitem.product, qty=lineitem.quantity)
if adjustment and adjustment.price:
baseprice = adjustment.price.price
finalprice = adjustment.final_price()
#We need to add in any OrderItemDetail price adjustments before we do anything else
baseprice += lineitem.get_detail_price()
finalprice += lineitem.get_detail_price()
if baseprice > finalprice or baseprice != lineitem.unit_price:
unitdiscount = (lineitem.discount/lineitem.quantity) + baseprice-finalprice
unitdiscount = trunc_decimal(unitdiscount, 2)
linediscount = unitdiscount * lineitem.quantity
total_discount += linediscount
fullydiscounted = (baseprice - unitdiscount) * lineitem.quantity
lineitem.unit_price = baseprice
lineitem.discount = linediscount
lineitem.line_item_price = baseprice * lineitem.quantity
log.debug('Adjusting lineitem unit price for %s. Full price=%s, discount=%s. Final price for qty %d is %s',
lineitem.product.slug, baseprice, unitdiscount, lineitem.quantity, fullydiscounted)
if save:
lineitem.save()
itemprices.append(lineitem.sub_total)
fullprices.append(lineitem.line_item_price)
shipprice = Price()
shipprice.price = self.shipping_cost
shipadjust = PriceAdjustmentCalc(shipprice)
if 'Shipping' in discounts:
shipadjust += PriceAdjustment('discount', _('Discount'), discounts['Shipping'])
signals.satchmo_shipping_price_query.send(self, adjustment=shipadjust)
shipdiscount = shipadjust.total_adjustment()
self.shipping_discount = shipdiscount
total_discount += shipdiscount
self.discount = total_discount
if itemprices:
item_sub_total = reduce(operator.add, itemprices)
else:
item_sub_total = zero
if fullprices:
full_sub_total = reduce(operator.add, fullprices)
else:
full_sub_total = zero
self.sub_total = full_sub_total
taxProcessor = get_tax_processor(self)
totaltax, taxrates = taxProcessor.process()
self.tax = totaltax
# clear old taxes
for taxdetl in self.taxes.all():
taxdetl.delete()
for taxdesc, taxamt in taxrates.items():
taxdetl = OrderTaxDetail(order=self, tax=taxamt, description=taxdesc, method=taxProcessor.method)
taxdetl.save()
log.debug("Order #%i, recalc: sub_total=%s, shipping=%s, discount=%s, tax=%s",
self.id,
moneyfmt(item_sub_total),
moneyfmt(self.shipping_sub_total),
moneyfmt(self.discount),
moneyfmt(self.tax))
self.total = Decimal(item_sub_total + self.shipping_sub_total + self.tax)
if save:
self.save()
def force_recalculate_total(self, save=True):
"""Calculates sub_total, taxes and total."""
zero = Decimal("0.0000000000")
discount = Discount.objects.by_code(self.discount_code)
discount.calc(self)
self.discount = discount.total
discounts = discount.item_discounts
itemprices = []
fullprices = []
for lineitem in self.orderitem_set.all():
lid = lineitem.id
if lid in discounts:
lineitem.discount = discounts[lid]
else:
lineitem.discount = zero
if save:
lineitem.save()
itemprices.append(lineitem.sub_total)
fullprices.append(lineitem.line_item_price)
shipprice = Price()
shipprice.price = self.shipping_cost
shipadjust = PriceAdjustmentCalc(shipprice)
if 'Shipping' in discounts:
shipadjust += PriceAdjustment('discount', _('Discount'), discounts['Shipping'])
signals.satchmo_shipping_price_query.send(self, adjustment=shipadjust)
self.shipping_discount = shipadjust.total_adjustment()
if itemprices:
item_sub_total = reduce(operator.add, itemprices)
else:
item_sub_total = zero
if fullprices:
full_sub_total = reduce(operator.add, fullprices)
else:
full_sub_total = zero
self.sub_total = full_sub_total
taxProcessor = get_tax_processor(self)
totaltax, taxrates = taxProcessor.process()
self.tax = totaltax
# clear old taxes
for taxdetl in self.taxes.all():
taxdetl.delete()
for taxdesc, taxamt in taxrates.items():
taxdetl = OrderTaxDetail(order=self, tax=taxamt, description=taxdesc, method=taxProcessor.method)
taxdetl.save()
log.debug("Order #%i, recalc: sub_total=%s, shipping=%s, discount=%s, tax=%s",
self.id,
moneyfmt(item_sub_total),
moneyfmt(self.shipping_sub_total),
moneyfmt(self.discount),
moneyfmt(self.tax))
self.total = Decimal(item_sub_total + self.shipping_sub_total + self.tax)
if save:
self.save()