def product_pre_save(sender, **kwargs):
getcontext().rounding = ROUND_HALF_UP
product = kwargs["instance"]
producer = product.producer
if not product.is_active:
product.is_into_offer = False
if product.order_unit not in [PRODUCT_ORDER_UNIT_PC, PRODUCT_ORDER_UNIT_PC_PRICE_KG,
PRODUCT_ORDER_UNIT_PC_PRICE_LT, PRODUCT_ORDER_UNIT_PC_PRICE_PC]:
product.unit_deposit = DECIMAL_ZERO
if product.order_unit == PRODUCT_ORDER_UNIT_PC:
product.order_average_weight = 1
elif product.order_unit not in [PRODUCT_ORDER_UNIT_PC_KG, PRODUCT_ORDER_UNIT_PC_PRICE_KG,
PRODUCT_ORDER_UNIT_PC_PRICE_LT, PRODUCT_ORDER_UNIT_PC_PRICE_PC]:
product.order_average_weight = DECIMAL_ZERO
if product.order_unit in [PRODUCT_ORDER_UNIT_DEPOSIT, PRODUCT_ORDER_UNIT_SUBSCRIPTION]:
# No VAT on those products
product.vat_level = VAT_100
recalculate_prices(product, producer.producer_price_are_wo_vat, producer.is_resale_price_fixed,
producer.price_list_multiplier)
if producer.producer_pre_opening or producer.manage_production:
product.producer_order_by_quantity = DECIMAL_ZERO
product.limit_order_quantity_to_stock = True
if not product.is_box:
# IMPORTANT : Deactivate offeritem whose stock is not > 0
product.is_into_offer = product.stock > DECIMAL_ZERO
elif not producer.manage_replenishment:
product.limit_order_quantity_to_stock = False
if product.is_box:
product.limit_order_quantity_to_stock = False
if product.limit_order_quantity_to_stock:
product.customer_alert_order_quantity = min(999, product.stock)
if product.customer_increment_order_quantity <= DECIMAL_ZERO:
product.customer_increment_order_quantity = DECIMAL_ONE
if product.customer_minimum_order_quantity <= DECIMAL_ZERO:
product.customer_minimum_order_quantity = product.customer_increment_order_quantity
if product.order_average_weight <= DECIMAL_ZERO:
product.order_average_weight = DECIMAL_ONE
if not product.reference:
product.reference = uuid.uuid4()
# Update stock of boxes containing this product
for box_content in product.box_content.all():
if box_content.box is not None:
box_content.box.save_update_stock()
def import_purchase_sheet(worksheet, permanence=None,
customer_2_id_dict=None,
producer_2_id_dict=None
):
error = False
error_msg = None
import_counter = 0
header = get_header(worksheet)
if header:
row_num = 1
array_purchase = []
rule_of_3_source = DECIMAL_ZERO
row = get_row(worksheet, header, row_num)
while row and not error:
try:
row_format = row[_('Format')]
if row_format in ["A", "B"]:
import_counter += 1
if row[_('Id')] is None:
error = True
error_msg = _("Row %(row_num)d : No purchase id given.") % {'row_num': row_num + 1}
break
row_id = Decimal(row[_('Id')])
purchase = Purchase.objects.filter(id=row_id).order_by('?').first()
if purchase is None:
error = True
error_msg = _("Row %(row_num)d : No purchase corresponding to the given purchase id.") % {
'row_num': row_num + 1}
break
if purchase.permanence_id != permanence.id:
error = True
error_msg = _("Row %(row_num)d : The given permanence doesn't own the given purchase id.") % {
'row_num': row_num + 1}
break
producer_id = None
if row[_('producer')] in producer_2_id_dict:
producer_id = producer_2_id_dict[row[_('producer')]]
if producer_id != purchase.producer_id:
error = True
error_msg = _("Row %(row_num)d : No valid producer.") % {'row_num': row_num + 1}
break
customer_name = "%s" % row[_('customer')]
if customer_name in customer_2_id_dict:
customer_id = customer_2_id_dict[customer_name]
if customer_id != purchase.customer_id:
error = True
error_msg = _("Row %(row_num)d : No valid customer") % {'row_num': row_num + 1}
break
comment = cap(row[_('comment')], 100)
quantity_invoiced = DECIMAL_ZERO if row[_('quantity invoiced')] is None \
else Decimal(row[_('quantity invoiced')]).quantize(FOUR_DECIMALS)
producer_row_price = row[_('purchase price')]
if producer_row_price is not None:
producer_row_price = Decimal(producer_row_price).quantize(TWO_DECIMALS)
if purchase.purchase_price.amount != producer_row_price:
purchase_price_modified = True
if purchase.offer_item.order_unit in [
PRODUCT_ORDER_UNIT_KG, PRODUCT_ORDER_UNIT_PC_KG,
PRODUCT_ORDER_UNIT_LT
]:
producer_unit_price = (purchase.offer_item.producer_unit_price.amount +
purchase.offer_item.unit_deposit.amount).quantize(TWO_DECIMALS)
if producer_unit_price != DECIMAL_ZERO:
purchase.quantity_invoiced = (producer_row_price /
producer_unit_price).quantize(FOUR_DECIMALS)
else:
purchase.quantity_invoiced = DECIMAL_ZERO
else:
purchase_price_modified = False
elif purchase.quantity_invoiced != quantity_invoiced:
purchase.quantity_invoiced = quantity_invoiced
purchase_price_modified = False
else:
purchase_price_modified = False
if row_format == "A":
array_purchase = []
rule_of_3_source = DECIMAL_ZERO
if not purchase_price_modified:
producer_unit_price = Decimal(row[_('producer unit price')]).quantize(TWO_DECIMALS)
previous_producer_unit_price = purchase.get_producer_unit_price()
if producer_unit_price != previous_producer_unit_price:
offer_item = OfferItem.objects.filter(id=purchase.offer_item_id).order_by('?').first()
offer_item.producer_unit_price = producer_unit_price
recalculate_prices(offer_item, offer_item.producer_price_are_wo_vat,
offer_item.is_resale_price_fixed,
offer_item.price_list_multiplier)
offer_item.save()
recalculate_order_amount(
permanence_id=offer_item.permanence_id,
offer_item_queryset=OfferItem.objects.filter(id=offer_item.id).order_by('?'),
send_to_producer=False
)
purchase.comment = comment
purchase.save()
rule_of_3_source += purchase.purchase_price.amount
array_purchase.append(purchase)
elif row_format in ["C", "D"]:
rule_of_3_target = row[_('rule of 3')]
if rule_of_3_target is not None:
rule_of_3_target = Decimal(rule_of_3_target).quantize(TWO_DECIMALS)
if rule_of_3_target != rule_of_3_source:
max_purchase_counter = len(array_purchase)
if max_purchase_counter <= 1:
error = True
error_msg = _("Row %(row_num)d : Rule of 3 target in wrong context.") % {
'row_num': row_num + 1}
return error, error_msg
else:
if rule_of_3_source != DECIMAL_ZERO:
ratio = rule_of_3_target / rule_of_3_source
else:
if rule_of_3_target == DECIMAL_ZERO:
ratio = DECIMAL_ZERO
else:
ratio = DECIMAL_ONE
# Rule of 3
if ratio != DECIMAL_ONE:
adjusted_invoice = DECIMAL_ZERO
for i, purchase in enumerate(array_purchase, start=1):
producer_unit_price = (purchase.offer_item.producer_unit_price.amount +
purchase.offer_item.unit_deposit.amount
).quantize(TWO_DECIMALS)
if i == max_purchase_counter:
delta = rule_of_3_target - adjusted_invoice
if producer_unit_price != DECIMAL_ZERO:
purchase.quantity_invoiced = (delta / producer_unit_price).quantize(
FOUR_DECIMALS)
else:
purchase.quantity_invoiced = DECIMAL_ZERO
else:
purchase.quantity_invoiced = (purchase.quantity_invoiced * ratio).quantize(
FOUR_DECIMALS)
adjusted_invoice += purchase.quantity_invoiced * producer_unit_price
purchase.save()
row_num += 1
row = get_row(worksheet, header, row_num)
except KeyError, e:
# Missing field
error = True
error_msg = _("Row %(row_num)d : A required column is missing %(error_msg)s.") % {
'row_num': row_num + 1, 'error_msg': str(e)}
except Exception, e:
error = True
error_msg = _("Row %(row_num)d : %(error_msg)s.") % {'row_num': row_num + 1, 'error_msg': str(e)}