public async Task ExecuteAsync()
{
_logger.LogInformation("{service} running at: {time}", nameof(EntryPointService), DateTimeOffset.Now);
try
{
// EF Requires a scope so we are creating one per execution here
using var scope = _serviceScopeFactoryLocator.CreateScope();
var repository =
scope.ServiceProvider
.GetService <IRepository>();
// read from the queue
string message = await _queueReceiver.GetMessageFromQueue(_settings.ReceivingQueueName);
if (String.IsNullOrEmpty(message))
{
return;
}
// check 1 URL in the message
var statusHistory = await _urlStatusChecker.CheckUrlAsync(message, "");
// record HTTP status / response time / maybe existence of keyword in database
repository.Add(statusHistory);
}
catch (Exception ex)
{
_logger.LogError(ex, $"{nameof(EntryPointService)}.{nameof(ExecuteAsync)} threw an exception.");
// TODO: Decide if you want to re-throw which will crash the worker service
//throw;
}
}
public async Task StartAsync(WorkerDto downTimeAppDto, CancellationToken cancellationToken)
{
downTimeAppDto.Timer.Elapsed += async(sender, args) =>
{
if (!cancellationToken.IsCancellationRequested)
{
var status = await _urlStatusChecker.CheckUrlAsync(downTimeAppDto.Url);
if (!status)
{
await _notificationFactory
.Create((NotificationType)downTimeAppDto.NotificationType, downTimeAppDto.Email)
.SendAsync();
}
}
};
downTimeAppDto.Timer.Start();
await Task.CompletedTask;
}
