private async Task CheckSitesAvailability(ISitesRepository sitesRepository)
{
Logger.LogDebug($"Checking sites availability");
var sites = await sitesRepository.GetSitesForCheckAsync();
IEnumerable <Task <SiteCheckResult> > tasks = sites.Select(ProcessSite);
List <Task <SiteCheckResult> > checkTasks = tasks.ToList();
foreach (var bucket in TasksHelper.Interleaved(checkTasks))
{
var t = await bucket;
try
{
var checkedSite = await t;
await sitesRepository.UpdateStatusAsync(checkedSite.Id, checkedSite.Status);
}
catch (OperationCanceledException)
{
}
catch (SqlException exception)
{
Logger.LogCritical($"FATAL ERROR: Database connections could not be opened: {exception.Message}");
}
catch (Exception exc)
{
Logger.LogCritical($"FATAL ERROR: {exc.Message}");
}
}
}
