def upload_product_file_loc(instance, filename):
slug = instance.product.slug
id_ = instance.id
if id_ is None:
Klass = instance.__class__
qs = Klass.objects.all().order_by('-pk')
if qs.exists():
id_ = qs.first().id + 1
else:
id_ = 0
if not slug:
slug = unique_slug_generator(instance.product)
location = "product/{slug}/{id}/".format(slug=slug, id=id_)
return location + filename
def product_pre_save_receiver(sender,instance,*args,**kwargs):
if not instance.slug:
instance.slug = unique_slug_generator(instance)
def product_pre_save_reciever(sender, instance, *args, **kwargs):
"""Create slug value for every empty slug field"""
if not instance.slug:
instance.slug = unique_slug_generator(instance)
def product_pre_save_reciever(sender, instance, *args, **kwargs):
instance.vat = instance.price * decimal.Decimal(0.2)
if not instance.slug:
instance.slug = unique_slug_generator(instance)