public FuelBackgroundService(int daysCount, TimeSpan interval, FuelApiClient fuelApiClient, FuelPriceEditService priceEditService, ILog logger = null)
{
if (daysCount < 0)
{
throw new ArgumentOutOfRangeException(nameof(daysCount));
}
else if (fuelApiClient == null)
{
throw new ArgumentNullException(nameof(fuelApiClient));
}
else if (priceEditService == null)
{
throw new ArgumentNullException(nameof(priceEditService));
}
DaysCount = daysCount;
Interval = interval;
FuelApiClient = fuelApiClient;
PriceEditService = priceEditService;
Logger = logger;
Timer = new Timer
{
AutoReset = false,
Interval = interval.TotalMilliseconds,
};
Timer.Elapsed += (sender, e) => DoWork();
}
private void DoWork()
{
try
{
WriteLog("Getting prices...");
var prices = FuelApiClient.GetPrices(DaysCount);
var message = String.Join(Environment.NewLine, prices);
WriteLog(message);
var updated = PriceEditService.Add(prices);
WriteLog($"Prices were updated - {updated}");
}
catch (Exception ex)
{
Logger?.Error(ex);
}
finally
{
Timer.Start();
}
}
static void Main(string[] args)
{
var logger = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
var apiClient = new FuelApiClient(Settings.Default.ApiUrl);
using (var context = new FuelDbContext())
{
var editService = new FuelPriceEditService(context);
using (var service = new FuelBackgroundService(Settings.Default.DaysCount, Settings.Default.TaskExecutionDelay, apiClient, editService, logger))
{
service.Start();
PressAnyKeyForContinue("Press any key for stop.");
service.Stop();
var prices = context.Prices.ToList();
var message = String.Join(Environment.NewLine, prices);
Console.WriteLine($"{Environment.NewLine}Fuel prices:");
Console.WriteLine(message);
PressAnyKeyForContinue("Press any key for exit...");
}
}
}