public async Task <ActionResult <string> > GetBySku(string sku)
{
TotalTransactionDTO totalTransaction = null;
try
{
totalTransaction = await _transactionsService.GetTotalTransactionAsync(sku);
return(JsonConvert.SerializeObject(totalTransaction));
}
catch (Exception err)
{
_logger?.LogError("Transactions controller exception: " + err.Message);
return(null);
}
}