Invoice API

invoice/models.py

@@ -25,4 +25,4 @@ class Item(models.Model):
         return self.amount * self.quantity
 
     def __str__(self):
-        return self.id
+        return self.name

invoice/urls.py

@@ -3,5 +3,5 @@ from . import views
 
 urlpatterns = [
     path('invoices/', views.InvoiceList.as_view()),
-    path('invoice-items/', views.ItemList.as_view()),
+    path('invoice-items/<int:invoice_key>/', views.ItemList.as_view()),
 ]

invoice/views.py

@@ -10,8 +10,8 @@ class ItemList(APIView):
     authentication_classes = [TokenAuthentication, SessionAuthentication]
     permission_classes = [IsAuthenticated]
 
-    def get(self, request):
-        items = Item.objects.filter(pk=Item.invoice)
+    def get(self, request, invoice_key):
+        items = Item.objects.filter(invoice=invoice_key)
         serializer = ItemSerializer(items, many=True)
         return Response(serializer.data)
 
@@ -21,6 +21,7 @@ class InvoiceList(APIView):
     permission_classes = [IsAuthenticated]
 
     def get(self, request):
-        items = Invoice.objects.all()
-        serializer = InvoiceSerializer(items, many=True)
-        return Response(serializer.data)
+        invoices = Invoice.objects.all()
+        invoice_serializer = InvoiceSerializer(invoices, many=True)
+
+        return Response(invoice_serializer.data)