Files
RasadDam_Backend/apps/warehouse/services/services.py

56 lines
1.9 KiB
Python

from apps.herd.services.services import rancher_quota_weight, get_rancher_statistics
from apps.warehouse.models import InventoryEntry, InventoryQuotaSaleTransaction
from apps.product.models import QuotaDistribution
from apps.core.models import SystemConfig
from django.db.models import Sum
def get_total_sold(rancher, inventory_entry: InventoryEntry = None, distribution: QuotaDistribution = None):
"""
"""
if inventory_entry:
return (
InventoryQuotaSaleTransaction.objects.filter(
inventory_entry=inventory_entry,
rancher=rancher
).aggregate(total=Sum('weight'))['total'] or 0
)
elif distribution:
return (
InventoryQuotaSaleTransaction.objects.filter(
inventory_entry=inventory_entry,
rancher=rancher
).aggregate(total=Sum('weight'))['total'] or 0
)
def can_buy_from_inventory(rancher, inventory_entry: InventoryEntry = None, distribution: QuotaDistribution = None):
"""
"""
if SystemConfig.get("IGNORE_ALL_RANCHER_PURCHASE_LIMITS") == "true":
return True
if rancher.ignore_purchase_limit:
return True
if inventory_entry:
# check if quota is open and acceptable to sale
if inventory_entry.distribution.quota.is_in_valid_time():
quota_weight = rancher_quota_weight(rancher, inventory_entry=inventory_entry) # {total, by_type}
else:
return False
elif distribution:
# check if quota is open and acceptable to sale
if distribution.quota.is_in_valid_time():
quota_weight = rancher_quota_weight(rancher, distribution=distribution) # {total, by_type}
else:
return False
total_allowed = quota_weight['total'] # noqa
total_sold = get_total_sold(inventory_entry, rancher)
return total_sold < total_allowed