Added least stocked product url

ivy/products/serializers.py

@@ -1,4 +1,5 @@
 from rest_framework import serializers, mixins
+from django.contrib.auth.models import User
 from simple_history.models import HistoricalRecords
 from .models import Product
 
@@ -28,5 +29,7 @@ class LogSerializer(serializers.HyperlinkedModelSerializer):
 
     class Meta:
         model = Product.history.model
-        fields = ('history_id', 'name', 'quantity', 'history_date')
+        fields = ('history_id', 'name', 'quantity',
-        read_only_fields = ('history_id', 'name', 'quantity', 'history_date')
+                  'history_date', 'history_user_id')
+        read_only_fields = ('history_id', 'name', 'quantity',
+                            'history_date', 'history_user_id')

ivy/products/urls.py

@@ -5,6 +5,7 @@ from . import views
 router = routers.DefaultRouter()
 router.register(r'products', views.ProductViewSet)
 router.register(r'logs', views.LogViewSet)
+router.register(r'lowest_stock_product', views.LeastStockProductViewSet)
 
 # Wire up our API using automatic URL routing.
 # Additionally, we include login URLs for the browsable API.

ivy/products/views.py

@@ -1,5 +1,6 @@
 from rest_framework.permissions import IsAuthenticated
 from rest_framework import viewsets
+from django.db.models import Min
 from .serializers import ProductSerializer, LogSerializer
 from .models import Product
 
@@ -7,7 +8,18 @@ from .models import Product
 class ProductViewSet(viewsets.ModelViewSet):
     # permission_classes = [IsAuthenticated]
     serializer_class = ProductSerializer
-    queryset = Product.objects.all()
+    queryset = Product.objects.all().order_by('-date_added')
+
+
+class LeastStockProductViewSet(viewsets.ModelViewSet):
+    # permission_classes = [IsAuthenticated]
+    http_method_names = ['get']
+    serializer_class = ProductSerializer
+    queryset = Product.objects.all().order_by('quantity')
+
+    def get_queryset(self):
+        return super().get_queryset()[:1]
+    # queryset = Product.objects.all().order_by('quantity').first()
 
 
 class LogViewSet(viewsets.ModelViewSet):