Increment multiples

[luismfbsilva061980]

Good morning, I use PS 8.1.7 as follows:
I can put the minimum sales value on the product sheet, e.g. 5, but then when added as a client it goes to 6 and not 10...
Is there a way to increase the multiples?
Ex. Min 2, 4, 6, 8, etc...?

[endriu107]

Not by default.

[Knowband Plugins]

Hi,

To enforce a minimum quantity that increases in specific multiples (e.g., 2, 4, 6) in PrestaShop, you will likely need to adjust the logic in the cart and product controllers, as PrestaShop doesn't support quantity increments natively.

You can try modifying the multiple by overriding the cart class.

In your custom Cart.php override, add this function to check if the quantity matches the required multiple before it’s added to the cart.

public function updateQty($quantity, $id_product, $id_product_attribute = null, $id_customization = null, $operator = 'up', $id_address_delivery = 0, $shop = null, $auto_add_cart_rule = true)
{
$multiple = 5;

if ($quantity % $multiple != 0) {
$quantity = ceil($quantity / $multiple) * $multiple;
}

return parent::updateQty($quantity, $id_product, $id_product_attribute, $id_customization, $operator, $id_address_delivery, $shop, $auto_add_cart_rule);
}

Please modify the above code according to your needs as it might require some modifications.

Regards.