mirror of
https://github.com/inventree/InvenTree.git
synced 2025-07-02 03:30:54 +00:00
Fixes for aggregation issues
- Ensure that "distinct=True" is set! - ARRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
This commit is contained in:
Oliver Walters
@ -166,6 +166,8 @@ class PartList(generics.ListCreateAPIView):
|
||||
|
||||
serializer_class = part_serializers.PartSerializer
|
||||
|
||||
queryset = Part.objects.all()
|
||||
|
||||
def create(self, request, *args, **kwargs):
|
||||
""" Override the default 'create' behaviour:
|
||||
We wish to save the user who created this part!
|
||||
@ -184,7 +186,89 @@ class PartList(generics.ListCreateAPIView):
|
||||
headers = self.get_success_headers(serializer.data)
|
||||
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
|
||||
|
||||
def list(self, request, *args, **kwargs):
|
||||
|
||||
def filter_queryset(self, queryset):
|
||||
"""
|
||||
Perform custom filtering of the queryset
|
||||
"""
|
||||
|
||||
# Perform basic filtering
|
||||
queryset = super().filter_queryset(queryset)
|
||||
|
||||
# Filter by 'starred' parts?
|
||||
starred = str2bool(self.request.query_params.get('starred', None))
|
||||
|
||||
if starred is not None:
|
||||
starred_parts = [star.part.pk for star in self.request.user.starred_parts.all()]
|
||||
|
||||
if starred:
|
||||
queryset = queryset.filter(pk__in=starred_parts)
|
||||
else:
|
||||
queryset = queryset.exclude(pk__in=starred_parts)
|
||||
|
||||
# Cascade?
|
||||
cascade = str2bool(self.request.query_params.get('cascade', None))
|
||||
|
||||
# Does the user wish to filter by category?
|
||||
cat_id = self.request.query_params.get('category', None)
|
||||
|
||||
if cat_id is None:
|
||||
# No category filtering if category is not specified
|
||||
pass
|
||||
|
||||
else:
|
||||
# Category has been specified!
|
||||
if isNull(cat_id):
|
||||
# A 'null' category is the top-level category
|
||||
if cascade is False:
|
||||
# Do not cascade, only list parts in the top-level category
|
||||
queryset = queryset.filter(category=None)
|
||||
|
||||
else:
|
||||
try:
|
||||
category = PartCategory.objects.get(pk=cat_id)
|
||||
|
||||
# If '?cascade=true' then include parts which exist in sub-categories
|
||||
if cascade:
|
||||
queryset = queryset.filter(category__in=category.getUniqueChildren())
|
||||
# Just return parts directly in the requested category
|
||||
else:
|
||||
queryset = queryset.filter(category=cat_id)
|
||||
except (ValueError, PartCategory.DoesNotExist):
|
||||
pass
|
||||
|
||||
# Annotate calculated data to the queryset
|
||||
# (This will be used for further filtering)
|
||||
queryset = part_serializers.PartSerializer.annotate_queryset(queryset)
|
||||
|
||||
# Filter by whether the part has stock
|
||||
has_stock = self.request.query_params.get("has_stock", None)
|
||||
if has_stock is not None:
|
||||
has_stock = str2bool(has_stock)
|
||||
|
||||
if has_stock:
|
||||
queryset = queryset.filter(Q(in_stock__gt=0))
|
||||
else:
|
||||
queryset = queryset.filter(Q(in_stock_lte=0))
|
||||
|
||||
# If we are filtering by 'low_stock' status
|
||||
low_stock = self.request.query_params.get('low_stock', None)
|
||||
|
||||
if low_stock is not None:
|
||||
low_stock = str2bool(low_stock)
|
||||
|
||||
if low_stock:
|
||||
# Ignore any parts which do not have a specified 'minimum_stock' level
|
||||
queryset = queryset.exclude(minimum_stock=0)
|
||||
# Filter items which have an 'in_stock' level lower than 'minimum_stock'
|
||||
queryset = queryset.filter(Q(in_stock__lt=F('minimum_stock')))
|
||||
else:
|
||||
# Filter items which have an 'in_stock' level higher than 'minimum_stock'
|
||||
queryset = queryset.filter(Q(in_stock__gte=F('minimum_stock')))
|
||||
|
||||
return queryset
|
||||
|
||||
def dolist(self, request, *args, **kwargs):
|
||||
"""
|
||||
Instead of using the DRF serialiser to LIST,
|
||||
we serialize the objects manually.
|
||||
@ -193,10 +277,11 @@ class PartList(generics.ListCreateAPIView):
|
||||
|
||||
queryset = self.filter_queryset(self.get_queryset())
|
||||
|
||||
# Filters for annotations
|
||||
queryset = part_serializers.PartSerializer.prefetch_queryset(queryset)
|
||||
|
||||
# "in_stock" count should only sum stock items which are "in stock"
|
||||
stock_filter = Q(stock_items__status__in=StockStatus.AVAILABLE_CODES)
|
||||
queryset = part_serializers.PartSerializer.annotate_queryset(queryset)
|
||||
|
||||
# Filters for annotations
|
||||
|
||||
# "on_order" items should only sum orders which are currently outstanding
|
||||
order_filter = Q(supplier_parts__purchase_order_line_items__order__status__in=OrderStatus.OPEN)
|
||||
@ -225,9 +310,9 @@ class PartList(generics.ListCreateAPIView):
|
||||
'active',
|
||||
).annotate(
|
||||
# Quantity of items which are "in stock"
|
||||
in_stock=Coalesce(Sum('stock_items__quantity', filter=stock_filter), Decimal(0)),
|
||||
on_order=Coalesce(Sum('supplier_parts__purchase_order_line_items__quantity', filter=order_filter), Decimal(0)),
|
||||
building=Coalesce(Sum('builds__quantity', filter=build_filter), Decimal(0)),
|
||||
in_stock=Coalesce(Sum('stock_items__quantity'), Decimal(0)) #, filter=stock_filter), Decimal(0)),
|
||||
#on_order=Coalesce(Sum('supplier_parts__purchase_order_line_items__quantity', filter=order_filter), Decimal(0)),
|
||||
#building=Coalesce(Sum('builds__quantity', filter=build_filter), Decimal(0)),
|
||||
)
|
||||
|
||||
# If we are filtering by 'has_stock' status
|
||||
@ -300,60 +385,6 @@ class PartList(generics.ListCreateAPIView):
|
||||
|
||||
return Response(data)
|
||||
|
||||
def get_queryset(self):
|
||||
"""
|
||||
Implement custom filtering for the Part list API
|
||||
"""
|
||||
|
||||
# Start with all objects
|
||||
parts_list = Part.objects.all()
|
||||
|
||||
# Filter by 'starred' parts?
|
||||
starred = str2bool(self.request.query_params.get('starred', None))
|
||||
|
||||
if starred is not None:
|
||||
starred_parts = [star.part.pk for star in self.request.user.starred_parts.all()]
|
||||
|
||||
if starred:
|
||||
parts_list = parts_list.filter(pk__in=starred_parts)
|
||||
else:
|
||||
parts_list = parts_list.exclude(pk__in=starred_parts)
|
||||
|
||||
cascade = str2bool(self.request.query_params.get('cascade', None))
|
||||
|
||||
# Does the user wish to filter by category?
|
||||
cat_id = self.request.query_params.get('category', None)
|
||||
|
||||
if cat_id is None:
|
||||
# No category filtering if category is not specified
|
||||
pass
|
||||
|
||||
else:
|
||||
# Category has been specified!
|
||||
if isNull(cat_id):
|
||||
# A 'null' category is the top-level category
|
||||
if cascade is False:
|
||||
# Do not cascade, only list parts in the top-level category
|
||||
parts_list = parts_list.filter(category=None)
|
||||
|
||||
else:
|
||||
try:
|
||||
category = PartCategory.objects.get(pk=cat_id)
|
||||
|
||||
# If '?cascade=true' then include parts which exist in sub-categories
|
||||
if cascade:
|
||||
parts_list = parts_list.filter(category__in=category.getUniqueChildren())
|
||||
# Just return parts directly in the requested category
|
||||
else:
|
||||
parts_list = parts_list.filter(category=cat_id)
|
||||
except (ValueError, PartCategory.DoesNotExist):
|
||||
pass
|
||||
|
||||
# Ensure that related models are pre-loaded to reduce DB trips
|
||||
parts_list = self.get_serializer_class().setup_eager_loading(parts_list)
|
||||
|
||||
return parts_list
|
||||
|
||||
permission_classes = [
|
||||
permissions.IsAuthenticated,
|
||||
]
|
||||
|
||||
Reference in New Issue
Block a user