public OperationResult Reduce(List <ReduceInventory> command)
{
var operationResult = new OperationResult();
const long OperationId = 1;
foreach (var item in command)
{
var inventory = _inventoryRepo.GetByProductId(item.ProductId);
inventory.Reduce(item.Count, OperationId, item.Description, item.OrderId);
}
_inventoryRepo.Save();
return(operationResult.Succeeded());
}