public async Task StartAsync(CancellationToken stoppingToken)
{
if (TelegramAccessToken == null)
{
var TelegramAccessToken = Environment.GetEnvironmentVariable(AccessTokenEnvName);
if (TelegramAccessToken == null)
{
throw new InvalidOperationException($"Can't find environment variable {AccessTokenEnvName}");
}
}
Bot = new TelegramBotClient(TelegramAccessToken);
StartBotAsync();
Started = true;
await LogsManager.CreateLog($"Bot started", LogLevel.Info);
}
public async Task HandleErrorAsync(ITelegramBotClient botClient, Exception exception, CancellationToken cancellationToken)
{
var ErrorMessage = exception switch
{
ApiRequestException apiRequestException => $"Telegram API Error:\n[{apiRequestException.ErrorCode}]\n{apiRequestException.Message}",
_ => exception.ToString()
};
//Log stats
await StatsManager.AddStatAction(ActionType.Error);
await LogsManager.CreateLog(ErrorMessage, LogLevel.Critical);
}
async Task BotOnMessageReceived(ITelegramBotClient botClient, Message message)
{
//TODO
//Ignore old messages
//if (message.Date.AddMinutes(1) < DateTime.Now)
// return;
if (message.Text != null)
{
await MessageInvoker(message);
}
}
async Task BotOnCallbackQueryReceived(ITelegramBotClient botClient, CallbackQuery callbackQuery)
{
//TODO
//Ignore old messages
//if (message.Date.AddMinutes(1) < DateTime.Now)
// return;
await CallbackQueryInvoker(callbackQuery);
}
private async Task CallbackQueryInvoker(CallbackQuery callbackQuery)
{
//Log stats
await StatsManager.AddStatAction(ActionType.CallbackQuery);
//Get message data
var user = await UserManager.AddOrUpdateUser(callbackQuery.From);
//Get all handlers
var handlers = ReflectiveEnumerator.GetEnumerableOfType <BaseCallbackQueryHandler>();
foreach (var handlerType in handlers)
{
//Find method in handler
MethodInfo[] handlerMethods = handlerType.GetMethods();
foreach (var method in handlerMethods)
{
//Pattern matching for message text
if (BaseHandler.MatchMethod(method, callbackQuery.Data))
{
//Check user access by role
if (!BaseHandler.ValidateAccess(method, user))
{
return;
}
try
{
//Get and send chatAction from attributes
var chatAction = BaseHandler.GetChatActionAttributes(method);
if (chatAction.HasValue)
{
await Bot.SendChatActionAsync(callbackQuery.Message.Chat.Id, chatAction.Value);
}
//Cast handler object
var handler = Activator.CreateInstance(handlerType);
//Set params
((BaseHandler)handler).Init(Bot, user, callbackQuery: callbackQuery);
//Invoke method
await(Task) method.Invoke(handler, parameters: new object[] { });
}
catch (Exception ex)
{
await LogsManager.CreateLog($"Invoker error *{ex.Message}*", LogLevel.Critical);
//Log stats
await StatsManager.AddStatAction(ActionType.Error);
}
}
else
{
//Cant find method
//await LogsManager.CreateLog($"Can't find method for *{messageEventArgs.Message.Text}*", LogLevel.Warning);
//Console.WriteLine($"Can't find method for *{messageEventArgs.Message.Text}*");
}
}
}
}
