private async Task ProcessTaskItemAsync(BackgroundTask task)
{
using var scope = Provider.CreateScope();
var service = (IBackgroundTaskObserver)scope.ServiceProvider.GetService(task.TaskType);
if (service == null)
{
return;
}
try
{
var logMessage = new LogMessage(LogSeverity.Debug, nameof(BackgroundTaskService), $"Executing background task {task.TaskType.FullName}");
await BotLoggingService.OnLogAsync(logMessage);
await service.TriggerBackgroundTaskAsync(task);
}
catch (Exception ex)
{
var logMessage = new LogMessage(LogSeverity.Error, nameof(BackgroundTaskService), $"Executing background task {task.TaskType.FullName} failed.", ex);
await BotLoggingService.OnLogAsync(logMessage);
}
finally
{
var logMessage = new LogMessage(LogSeverity.Info, nameof(BackgroundTaskService), $"Background task executing finished ({task.TaskType.FullName})");
await BotLoggingService.OnLogAsync(logMessage);
}
}
public BackgroundTaskService(BackgroundTaskQueue queue, IServiceProvider provider, BotLoggingService botLoggingService)
{
Queue = queue;
BotLoggingService = botLoggingService;
Provider = provider;
}