static void Main(string[] args)
{
var configBuilder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile(@"config/appsettings.json", optional: true, reloadOnChange: true);
var config = configBuilder.Build();
var serviceProvider = new ServiceCollection()
.ConfigureWritable <SchedulerConfig>(config, "schedulerConfig")
.Configure <SmtpConfig>(config.GetSection("smtpConfig"))
.AddSingleton <ISmtpService, SmtpService>()
.AddSingleton <ICsvService, CsvService>()
.AddSingleton <IEmailGenerator, EmailGenerator>()
.AddSingleton <BackgroundWorker>()
.BuildServiceProvider();
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Verbose()
.WriteTo.ColoredConsole()
.WriteTo.Async(c => c.File(@"mail-spammer-log.txt", rollingInterval: RollingInterval.Day))
.CreateLogger();
AppLogger.Information($"APPLICATION INITIALIZED {DateTime.Now}");
var worker = serviceProvider.GetService <BackgroundWorker>();
worker.Run();
Log.CloseAndFlush();
}
public void Run()
{
var disposable = Observable.Defer(() =>
{
AppLogger.Information("Checking for new data...");
return(_csvService
.GetCollectionFromFile <Person, CsvPersonMapper>(@"database.csv",
_schedulerConfig.Value.StartingPoint)
.Buffer(_schedulerConfig.Value.PackageSize)
.Select(people =>
{
var timer = Observable.Timer(TimeSpan.FromSeconds(_schedulerConfig.Value.TimeLimit))
.DoOnComplete(() => { AppLogger.Information($"Time limit have passed."); });
var sending = people.Select(person => _smtpService.SendEmail(person))
.Concat()
.DoOnNext(_ => { _schedulerConfig.Update(config => { config.StartingPoint += 1; }); })
.Buffer(people.Count)
.DoOnComplete(() => { AppLogger.Information($"Package sent."); });
return timer.Zip(sending, (time, result) => new OperationResult.Success())
.DoOnComplete(() =>
{
AppLogger.Information(
$"{_schedulerConfig.Value.PackageSize} mails sent in max of {_schedulerConfig.Value.TimeLimit} seconds.");
});
})
.Concat());
}).RepeatWhen(observable => observable.Delay(TimeSpan.FromSeconds(3)));
using (disposable.Subscribe())
{
Console.Read();
}
}