def add(request, product_id, amount):
product_set = Product.objects.filter(id=product_id)
if not product_set.exists():
product = Product(id=product_id, name="temp name", quantity=0)
product.save()
else:
product = product_set[0]
event = Event.objects.get(name='stock')
sale = Sale(event=event, product=product, amount=amount)
sale.save()
product.quantity = F('quantity') + amount
product.save()
return HttpResponse("Stock added !")
def sale(request, event_name, product_id, menu):
event_set = Event.objects.filter(name=event_name)
if not event_set.exists():
event = Event(name=event_name, date=datetime.now())
event.save()
else:
event = event_set[0]
if event.less_than_a_day_ago():
return HttpResponse("Event's is too old ! Can't sell !")
product = Product.objects.get(id=product_id)
sale = Sale(event=event, product=product)
product.quantity = F('quantity') - 1
product.save()
sale.save()
return HttpResponse(sale_template.substitute(event=event_name, product=product.name, quantity=sale.amount))
