def sale_biscuit_to_client_update(instance, validated_data):
ware_biscuit = get_warehouse_biscuit(instance.biscuit)
ware_biscuit.add_quantity(instance.quantity)
ware_biscuit.set_total_price()
ware_biscuit.set_average_price()
ware_biscuit.save()
if instance.delivery_status[2][0] == 'delivered':
biscuit_income(instance)
sale_biscuit_to_client(validated_data)
def sale_biscuit(instance):
ware_biscuit = get_warehouse_biscuit(instance.biscuit)
if check_warehouse_biscuit_quantity(ware_biscuit, instance.quantity):
ware_biscuit.subtract_quantity(instance.quantity)
ware_biscuit.set_total_price()
ware_biscuit.set_average_price()
ware_biscuit.save()
return True
else:
return False
def change_sale_biscuit(instance):
obj = BuyingBiscuitLog.objects.get(sale_id=instance.id)
ware_biscuit = get_warehouse_biscuit(instance.biscuit)
if check_warehouse_biscuit_quantity(ware_biscuit, instance.quantity):
ware_biscuit.add_quantity(obj.quantity)
ware_biscuit.subtract_quantity(instance.quantity)
ware_biscuit.set_total_price()
ware_biscuit.set_average_price()
ware_biscuit.save()
obj.quantity = instance.quantity
obj.biscuit = instance.biscuit
obj.save()
def subtract_product(validated_data):
biscuit = validated_data.get('biscuit')
ware_biscuit = get_warehouse_biscuit(biscuit)
recipe = get_biscuit_recipe(biscuit)
for i in recipe:
product = i.product
value = i.value
warehouse = get_warehouse_product(product)
price = get_product_price(product)
quantity_value = validated_data.get('quantity') * value
new_total_price = price * quantity_value
warehouse.quantity -= quantity_value
warehouse.total_price -= new_total_price
warehouse.save()
ware_biscuit.add_quantity(validated_data.get('quantity'))
ware_biscuit.set_total_price()
ware_biscuit.save()
def subtract_product_update(instance, validated_data):
biscuit = instance.biscuit
old_recipe = get_biscuit_recipe(biscuit)
ware_biscuit = get_warehouse_biscuit(biscuit)
ware_biscuit.subtract_quantity(instance.quantity)
ware_biscuit.set_total_price()
ware_biscuit.save()
for i in old_recipe:
product = i.product
value = i.value
warehouse = get_warehouse_product(product)
price = get_product_price(product)
quantity_value = instance.quantity * value
warehouse.quantity += quantity_value
new_total_price = price * quantity_value
warehouse.total_price += new_total_price
warehouse.save()
subtract_product(validated_data)
def validate(self, attrs):
from apps.biscuit.utils.sale import check_warehouse_biscuit_quantity
from apps.biscuit.utils.biscuit import get_warehouse_biscuit
if not attrs.get('biscuit'):
raise ValidationError({'error': 'Biscuit not found'})
if not attrs.get('quantity'):
raise ValidationError({'error': 'quantity not found'})
if not attrs.get('comment'):
raise ValidationError({'error': 'comment not found'})
if not attrs.get('payment_type'):
raise ValidationError({'error': 'payment_type not found'})
if not attrs.get('client'):
raise ValidationError({'error': 'client not found'})
ware_biscuit = get_warehouse_biscuit(attrs.get('biscuit'))
quantity = attrs.get('quantity')
if check_warehouse_biscuit_quantity(ware_biscuit, quantity) == False:
raise ValidationError('Mahsulot yetarli emas!')
return attrs
def sale_biscuit_to_client(validated_data):
ware_biscuit = get_warehouse_biscuit(validated_data.get('biscuit'))
ware_biscuit.subtract_quantity(validated_data.get('quantity'))
ware_biscuit.set_total_price()
ware_biscuit.set_average_price()
ware_biscuit.save()