private async void OnMessage(object sender, MessageEventArgs arguments)
{
var message = arguments.Message;
if (message.Text != null)
{
try
{
string command = ExtractCommand(message.Text);
IBotCommand handler = CommandSelector.MapCommandToHandler(command);
await handler.Handle(message, this._botClient, this._pokeApiClient);
}
catch (Exception exception)
{
// Workaround since C# does not support multi catch as in Java
if (exception is UnknownCommandException || exception is NoCommandHandlerException)
{
await this._botClient.SendTextMessageAsync(
chatId : message.Chat,
text : "Unfortunately the bot does not support this command. Enter /help or /start for more options."
);
}
else
{
Console.WriteLine(exception.Message);
Console.WriteLine(exception.StackTrace);
await this._botClient.SendTextMessageAsync(
chatId : message.Chat,
text : "500 - Internal Server Error"
);
}
}
}
}