protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Discord Bot Hosted Service started");
await _client.LoginAsync(TokenType.Bot, _discordSettings.Token);
await _client.StartAsync();
_client.MessageReceived += (eventArgs) =>
{
// fire and forget
_ = Task.Run(async() =>
{
try
{
await PollyExceptionHandlerHelper.HandleExceptionAndRetry <SqlException>(OnMessageReceived(eventArgs), _logger, stoppingToken);
}
catch (HttpException ex) when(ex.Message.ContainsAny("50013", "50001", "Forbidden", "160002") || ex.HttpCode == HttpStatusCode.BadRequest)
{
_logger.LogWarning(ex, ex.Message);
}
catch (SqlException ex) when(ex.Message.Contains("SHUTDOWN"))
{
_logger.LogWarning(ex, "Sql Server shutdown in progress");
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
await _githubService.CreateBugIssue($"Application Exception: {ex.Message}", ex, GithubIssueLabels.Discord);
}
});
return(Task.CompletedTask);
};
// Keep hosted service alive while receiving messages
await Task.Delay(Timeout.Infinite, stoppingToken);
}
public async Task HandleUpdateAsync(ITelegramBotClient botClient, Update update, CancellationToken cancellationToken)
{
var handler = update.Type switch
{
UpdateType.Message => BotOnMessageReceived(botClient, update.Message),
UpdateType.CallbackQuery => BotOnCallbackQueryReceived(update.CallbackQuery),
_ => UnknownUpdateHandlerAsync(update)
};
try
{
await PollyExceptionHandlerHelper.HandleExceptionAndRetry <SqlException>(handler, _logger, cancellationToken);
}
// TODO: Handle this SqlException in HandleErrorAsync() method
catch (SqlException ex) when(ex.Message.Contains("SHUTDOWN"))
{
_logger.LogWarning(ex, "Sql Server shutdown in progress");
}
catch (Exception exception)
{
await HandleErrorAsync(botClient, exception, cancellationToken);
}
}
