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Refactor stock filter

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This commit is contained in:
Oliver Walters 2020-09-05 23:35:48 +10:00
parent 2cf40c0e0b
commit 46a8107be5
1 changed files with 4 additions and 11 deletions
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15
InvenTree/part/serializers.py
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@ -13,6 +13,8 @@ from .models import PartParameter, PartParameterTemplate
from .models import PartAttachment
from .models import PartTestTemplate
from stock.models import StockItem
from decimal import Decimal
from sql_util.utils import SubquerySum, SubqueryCount
@ -20,7 +22,7 @@ from sql_util.utils import SubquerySum, SubqueryCount
from django.db.models import Q
from django.db.models.functions import Coalesce
from InvenTree.status_codes import StockStatus, PurchaseOrderStatus, BuildStatus
from InvenTree.status_codes import PurchaseOrderStatus, BuildStatus
from InvenTree.serializers import InvenTreeModelSerializer
from InvenTree.serializers import InvenTreeAttachmentSerializerField
@ -191,19 +193,10 @@ class PartSerializer(InvenTreeModelSerializer):
to reduce database trips.
"""
# Filter to limit stock items to "available"
stock_filter = Q(
status__in=StockStatus.AVAILABLE_CODES,
sales_order=None,
build_order=None,
belongs_to=None,
customer=None,
)
# Annotate with the total 'in stock' quantity
queryset = queryset.annotate(
in_stock=Coalesce(
SubquerySum('stock_items__quantity', filter=stock_filter),
SubquerySum('stock_items__quantity', filter=StockItem.IN_STOCK_FILTER),
Decimal(0)
),
)