public async Task <bool> DoTransactionReversal(string mfbCode, string uniqueIdentifier)
{
//Here we log this and return true
try
{
//check if it has been sent before
//return true if so
logger.Log($"Log {uniqueIdentifier} for {mfbCode}");
int reversalCount = await reversalDAO.ReversalExists(mfbCode, uniqueIdentifier);
//uow.Repository<Reversals>().GetAsync(filter: x => x.UniqueIdentifier == uniqueIdentifier && x.MFBCode == mfbCode);
if (reversalCount > 0)
{
logger.Log($"Exists {uniqueIdentifier} for {mfbCode}");
return(true);
}
//int result = await uow.Repository<Reversals>().InsertAsync(new Reversals() { UniqueIdentifier = uniqueIdentifier, MFBCode = mfbCode, DateLogged = DateTime.Now });
await reversalDAO.Insert(mfbCode, uniqueIdentifier);
logger.Log($"Done Logging {uniqueIdentifier} for {mfbCode}");
return(true);
}
catch (Exception ex)
{
//log the error
logger.Log($"Error {uniqueIdentifier} for {mfbCode} - {ex.Message}. {ex.StackTrace}");
return(false);
}
}
async void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
this.timer.Stop();
try
{
logger.Log($"Begin Reversals Processing");
IEnumerable <Reversals> results = await guow.Repository <Reversals>().GetTopNAsync(x => x.ReversalStatus == ReversalStatus.Pending, null, "", 20);
//new ReversalsRepository("Reversals").GetPendingReversals();
logger.Log($"Reversals to process {results.Count()}");
await new ReversalsRepository("Reversals").BulkUpdate(results.ToList());
Parallel.ForEach(results, async reversal =>
{
logger.Log($"Process");
bool result = await Policy
.Handle <Exception>()
//.CircuitBreakerAsync(7, TimeSpan.FromSeconds(40)
.WaitAndRetryForeverAsync(
retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
async(exception, timespan) =>
{
//log error here and to grafana
logger.Log($"An Error occured: {exception.Message} - {exception.StackTrace}");
reversal.RetryCount += 1;
reversal.ReversalStatus = ReversalStatus.Processing;
await guow.Repository <Reversals>().UpdateAsync(reversal);
})
.ExecuteAsync(async() =>
await ReversalService.ProcessReversal(reversal.MFBCode, reversal.UniqueIdentifier));
if (result)
{
logger.Log($"Done Processing");
//Update that it has been processed
reversal.ReversalStatus = ReversalStatus.Successful;
reversal.DateProcessed = DateTime.Now;
await guow.Repository <Reversals>().UpdateAsync(reversal);
//new ReversalsRepository("Reversals").Update(reversal);
logger.Log($"Done Updating");
}
//else
//{
// logger.Log($"Wasnt successful");
// //Update that it has been processed
// reversal.RetryCount += 1;
// reversal.ReversalStatus = ReversalStatus.Failed;
// await guow.Repository<Reversals>().UpdateAsync(reversal);
// //new ReversalsRepository("Reversals").Update(reversal);
// logger.Log($"Done Updating");
//}
});
this.timer.Interval = results == null || results.Count() == 0 ?
10 * Convert.ToInt64(ConfigurationManager.AppSettings["BankOne.ReversalEngine.TimerInterval"]) :
Convert.ToInt64(ConfigurationManager.AppSettings["BankOne.ReversalEngine.TimerInterval"]);
}
catch (Exception ex)
{
logger.Log($"Processing Error - {ex.Message}. {ex.StackTrace}");
}
finally
{
this.timer.Start();
}
}
protected override void OnStart(string[] args)
{
logger.Log(ASTERIKS);
logger.Log("Starting BankOne.ReversalEngine...");
_server = WebApp.Start <Startup>(url: System.Configuration.ConfigurationManager.AppSettings["BankOne.ReversalEngine.BaseAddress"]);
logger.Log("Loaded BankOne.ReversalEngine Web Api...");
logger.Log("Started BankOne.ReversalEngine timer...");
//Initialize the section that completes ReversalEngine to be posted.
reversalService.Start();
logger.Log("Started BankOne.ReversalEngine.");
logger.Log(ASTERIKS);
}