/// <summary>
/// Asynchronously logs to the data store and flat file.
/// </summary>
/// <param name="timestamp">The timestamp of the operation.</param>
/// <param name="operation">The type of the operation.</param>
/// <param name="identifier">The identifier of the operation's performer.</param>
/// <param name="ipAddress">The ip address of the operation's performer.</param>
/// <param name="errorType">The type of error that occurred during the operation (default = no error)</param>
/// <returns>Task (bool) whether the logging operation was successful.</returns>
public async Task <bool> LogAsync(string timestamp, string operation, string identifier,
string ipAddress, string errorType = Constants.NoError)
{
// Attempt logging to both the data store and the flat file and track the results.
bool ffLoggingResult = await _ffLoggingService.LogToFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);
bool dsLoggingResult = await _dsLoggingService.LogToDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);
int count = 0;
// Retry whichever one failed, a maximum number of times.
while (!(ffLoggingResult && dsLoggingResult) && count < Constants.LoggingRetriesAmount)
{
if (!ffLoggingResult)
{
ffLoggingResult = await _ffLoggingService.LogToFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);
}
if (!dsLoggingResult)
{
dsLoggingResult = await _dsLoggingService.LogToDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);
}
count++;
}
// If both succeeded we are finished.
if (ffLoggingResult && dsLoggingResult)
{
return(true);
}
else
{
// Otherwise, if both failed notify the system admin.
if (!ffLoggingResult && !dsLoggingResult)
{
await SystemUtilityService.NotifySystemAdminAsync($"Data Store and Flat File Logging failure for the following information:\n\n\t{timestamp}, {operation}, {identifier}, {ipAddress}, {errorType}", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
}
else
{
// Otherwise rollback whichever one succeeded and notify the system admin.
bool rollbackSuccess = false;
if (ffLoggingResult)
{
rollbackSuccess = await _ffLoggingService.DeleteFromFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);
}
if (dsLoggingResult)
{
rollbackSuccess = await _dsLoggingService.DeleteLogFromDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);
}
await SystemUtilityService.NotifySystemAdminAsync($"{(ffLoggingResult ? "Flat File" : "Data Store")} Logging failure for the following information:\n\n\t{timestamp}, {operation}, {identifier}, {ipAddress}, {errorType}\n\nRollback status: {(rollbackSuccess ? "successful" : "failed")}", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
}
return(false);
}
}
public async Task DataStoreLoggingService_LogToDataStoreAsync_SuccessfullLog(string timestamp, string operation, string identifier, string ipAddress, string errorType)
{
// ACT:
bool result = await _dsLog.LogToDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType);
Assert.IsTrue(result);
// Cleanup: Delete the created log.
bool deleteResult = await _dsLog.DeleteLogFromDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType);
Assert.IsTrue(deleteResult);
}