/// <req> https://github.com/chendoy/wsep_14a/wiki/Use-cases#use-case-inventory-management---increasedecrease-amount-414- </req>
/// <req> https://github.com/chendoy/wsep_14a/wiki/Use-cases#use-case-store-manager---increasedecrease-amount-511 </req>
public Tuple <bool, string> IncreaseProductAmount(int storeId, string userName, int productId, int amount)
{
return(storeManagment.addProductAmount(storeId, userName, productId, amount));
}
private Tuple <bool, string> addProductAmountDriver(int storeId, string userName, int productId, int amount)
{
return(storeManagment.addProductAmount(storeId, userName, productId, amount, false));
}