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RasadDam_Backend/apps/warehouse/signals/signals_v2.py

60 lines
2.8 KiB
Python

from django.db.models import Sum
from django.db.models.signals import post_save, post_delete
from django.dispatch import receiver
from apps.product.models import OrganizationQuotaStats
from apps.warehouse.models import InventoryQuotaSaleItem
def warehouse_sold_and_balance(quota_stat: OrganizationQuotaStats):
total_sold = quota_stat.sale_items.aggregate(
total=Sum('weight')
)['total'] or 0
quota_stat.sold_amount = total_sold
quota_stat.inventory_entry_balance = quota_stat.inventory_received - total_sold
# if quota_stat.inventory_entry_balance >= 0:
# calculate extra sales & mines total extra sales weight from new inventory entry
# and set the warehouse balance
# extra_sales = quota_distribution.extra_sales.all()
# total_extra_sales_weight = extra_sales.aggregate(total=Sum('weight'))['total'] or 0
# if quota_distribution.free_sale_balance != 0:
# if quota_distribution.warehouse_balance >= quota_distribution.free_sale_balance:
# quota_distribution.warehouse_balance -= total_extra_sales_weight
# quota_distribution.free_sale_balance = 0
# else:
# quota_distribution.free_sale_balance -= quota_distribution.warehouse_balance
# quota_distribution.warehouse_balance = 0
# calculate pre_sales & mines total pre_sales weight from new inventory entry
# and set the warehouse balance
# pre_sales = quota_distribution.pre_sales.all()
# total_pre_sales_weight = pre_sales.aggregate(total=Sum('weight'))['total'] or 0
# if total_pre_sales_weight != 0:
# if quota_distribution.warehouse_balance >= quota_distribution.pre_sale_balance:
# quota_distribution.warehouse_balance -= total_pre_sales_weight
# quota_distribution.pre_sale_balance = 0
# else:
# quota_distribution.pre_sale_balance -= quota_distribution.warehouse_balance
# quota_distribution.warehouse_balance = 0
# 'free_sale_balance', 'pre_sale_balance'
quota_stat.save(update_fields=['sold_amount', 'inventory_entry_balance'])
@receiver(post_save, sender=InventoryQuotaSaleItem)
@receiver(post_delete, sender=InventoryQuotaSaleItem)
def update_distribution_warehouse_sold_and_balance(sender, instance: InventoryQuotaSaleItem, **kwargs):
# if object exists & pre sale is true
if instance.quota_stat and not instance.quota_stat.quota.pre_sale:
# if transaction status is success and warehouse management Done once, inventory_calculation set to true
if instance.transaction.transaction_status == 'success' and instance.inventory_calculation is False:
warehouse_sold_and_balance(
quota_stat=instance.quota_stat,
)
else:
print("quota distribution is null - warehouse app signals")