public override async Task StartAsync(CancellationToken cancellationToken)
{
var scope = _scopeFactory.CreateScope();
_dbContext = scope.ServiceProvider.GetRequiredService <WorkerServiceDbContext>();
await base.StartAsync(cancellationToken);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
if (_dbContext == null)
{
var scope = _scopeFactory.CreateScope();
_dbContext = scope.ServiceProvider.GetRequiredService <WorkerServiceDbContext>();
}
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
var loggedOutUsers = await _dbContext.Users
.Where(user => user.IsOnline &&
user.EndLoginTime <= DateTime.Now).ToListAsync();
foreach (var user in loggedOutUsers)
{
user.IsOnline = false;
_logger.LogInformation("User {0} timed out", user.UserName);
}
if (_dbContext.ChangeTracker.HasChanges())
{
await _dbContext.SaveChangesAsync();
}
await Task.Delay(1000, stoppingToken);
}
}
public TestController(WorkerServiceDbContext dbContext)
{
_dbContext = dbContext;
}
