inventory entry search & filter - distibution data in inventory rntry

apps/warehouse/services/search.py

@@ -0,0 +1,39 @@
+from django.db.models import Q
+from apps.warehouse.models import InventoryEntry
+from django.db.models.functions import TruncDate
+
+
+class InventoryEntrySearch:
+    def __init__(self, query: str = None, start_date: str = None, end_date: str = None):
+        self.query = (query or '').strip()
+        self.start_date = start_date
+        self.end_date = end_date
+
+    def search(self):
+        """ multi term search & filter by date range """
+
+        queryset = InventoryEntry.objects.all()
+
+        if self.start_date or self.end_date:
+            queryset = queryset.annotate(date_only=TruncDate('create_date'))
+            if self.start_date:
+                queryset = queryset.filter(date_only__gte=self.start_date)
+            if self.end_date:
+                queryset = queryset.filter(date_only__lte=self.end_date)
+
+        # convert string to list of words
+        if self.query:
+            keywords = [word.strip() for word in self.query.split(',') if word.strip()]
+            if keywords:
+                combined_q = Q()
+                for keyword in keywords:
+                    combined_q |= Q(distribution__distribution_id__icontains=keyword)
+                    combined_q |= Q(organization__name__icontains=keyword)
+                    combined_q |= Q(weight__icontains=keyword)
+                    combined_q |= Q(balance__icontains=keyword)
+                    combined_q |= Q(lading_number__icontains=keyword)
+                    combined_q |= Q(is_confirmed__icontains=keyword)
+
+                queryset = queryset.filter(combined_q)
+
+        return queryset.distinct()

apps/warehouse/web/api/v1/api.py

@@ -1,6 +1,8 @@
 from apps.warehouse.web.api.v1 import serializers as warehouse_serializers
+from apps.warehouse.services.search import InventoryEntrySearch
 from apps.warehouse import models as warehouse_models
 from common.helpers import get_organization_by_user
+from rest_framework.exceptions import APIException
 from common.generics import base64_to_image_file
 from common.liara_tools import upload_to_liara
 from rest_framework.decorators import action
@@ -39,6 +41,24 @@ class InventoryEntryViewSet(viewsets.ModelViewSet):
         inventory.save()
         return Response(status=status.HTTP_200_OK)
 
+    @transaction.atomic
+    def list(self, request, *args, **kwargs):
+        """ search & filter by date range or return all objects """
+
+        query_params = self.request.query_params
+        query = query_params.get('query')
+        start_date = query_params.get('start')
+        end_date = query_params.get('end')
+
+        search = InventoryEntrySearch(
+            query,
+            start_date,
+            end_date
+        )
+
+        serializer = self.serializer_class(search.search(), many=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
     @transaction.atomic
     def create(self, request, *args, **kwargs):
         """ custom create of inventory entry  """

apps/warehouse/web/api/v1/serializers.py

@@ -48,9 +48,13 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
 
     def to_representation(self, instance):
         representation = super().to_representation(instance)
-        representation['document'] = instance.document
+        if instance.document:
+            representation['document'] = instance.document
         if instance.distribution:
-            representation['distribution'] = instance.distribution.distribution_id
+            representation['distribution'] = {
+                'distribution': instance.distribution.distribution_id,
+                'id': instance.distribution.id
+            }
 
         return representation
 

common/generics.py

@@ -1,4 +1,5 @@
 from django.core.files.base import ContentFile
+from django.db.models.functions import TruncDate
 import base64