/// <summary>
/// Run service / maintenance.
/// Fetches new posts deletes too old ones
/// </summary>
/// <returns></returns>
public async Task RunAsync()
{
Trace.WriteLine("NewsService, RunAsync");
if (!_running)
{
Trace.WriteLine("NewsService, start");
_running = true;
Maintenance m = new Maintenance {
StartTime = DateTime.UtcNow, EndTime = DateTime.MaxValue, Success = false
};
_repo.Insert <Maintenance>(m);
await _repo.CommitAsync();
try
{
m.Inserted = await insert();
Trace.WriteLine("NewsService, inserted:" + m.Inserted.ToString());
if (m.Inserted > 0)
{
m.Deleted = await delete();
Trace.WriteLine("NewsService, deleted:" + m.Deleted.ToString());
}
m.Success = true;
}
catch (Exception e)
{
Trace.WriteLine("NewsService, exception:" + e.Message);
m.Exception = e.Message;
}
m.EndTime = DateTime.UtcNow;
_repo.Update <Maintenance>(m);
await _repo.CommitAsync();
_running = false;
Trace.WriteLine("NewsService, end");
}
}
