static void Main(string[] args)
{
//NLog setup
NLog.LogManager.LoadConfiguration("NLog.config");
Logger logger = LogManager.GetCurrentClassLogger();
logger.Info("");
logger.Info("Process Started");
CurrencyExchangeEntities currencyExchangeEntities = new CurrencyExchangeEntities();
try
{
var bestRates = currencyExchangeEntities.BestRates.FirstOrDefault();
List <iDataResource> dataSources = new List <iDataResource>();
dataSources.Add(new RateSource());
dataSources.Add(new QuoteSource());
//Add more datasources if any in the above list
//If no data (may be first time) then fetch and add
ExchangeRateProcessor dataExchangeProcessor = new ExchangeRateProcessor(dataSources);
bool isDone = true;
//If old best rates exists then delete them
if (bestRates != null && bestRates.Date != DateTime.Today)
{
isDone = dataExchangeProcessor.DeleteOldBestRates();
}
//If no more bestrates then process
if (isDone && bestRates == null)
{
//Add new symbols from new resources
isDone = dataExchangeProcessor.FetchAndAddNewSymbols();
if (isDone)
{
//Add today rates from all resources
isDone = dataExchangeProcessor.FetchAndInsertRates();
if (isDone)
{
//Find and add new best rates
isDone = dataExchangeProcessor.FindBestRatesAndAdd();
if (isDone)
{
logger.Info("Process Completed Successfully!");
}
}
}
}
else
{
logger.Info("Data is uptodate!");
logger.Info("Process Completed Successfully!");
}
}
catch (Exception ex)
{
logger.Error("Error while doing the process.");
logger.Info(ex.Message);
logger.Error("Process not completed.");
}
}
