in opbeans/views.py [0:0]
def product_type(request, pk):
product_type = get_object_or_404(m.ProductType, pk=pk)
products = m.Product.objects.filter(product_type=product_type).values(
'id', 'name'
)
data = {
'id': product_type.pk,
'name': product_type.name,
'products': list(products),
}
return JsonResponse(data)