Switching the number of multiples of the minimum OpenCart

The module adds plus or minus buttons with switching to the minimum quantity of products on OpenCart 2 - increase or decrease in the quantity of products only by a number equal to the minimum quantity of products, that is, a multiple of the minimum quantity. Switching the quantity with a multiplicity of the minimum quantity of products.

The module can be useful for stores that sell products in packages. When adding a product, in the field "Minimum quantity" you need to enter the quantity of products in the package, and in the field price - the cost of a unit of products. The client will be able to buy products only in packages, by clicking on the plus, the quantity will multiply by the number of products in the package.