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