in opbeans/views.py [0:0]
def product_customers(request, pk):
try:
limit = int(request.GET.get('count', 1000))
except ValueError:
limit = 1000
customers_list = m.Customer.objects.filter(
orders__orderline__product_id=pk
).distinct().values(
'id', 'full_name', 'company_name', 'email', 'address',
'postal_code', 'city', 'country'
)[:limit]
return JsonResponse(list(customers_list), safe=False)