telegramBotBotHandler

Example Bot

const bot = new BotHandler("token.txt");
 
bot.setMainMenuText(function (chat) { return "What do you want to do?"; });
 
bot.setMainMenuOptions(function (chat) {
  return { "Hi": hiOption, "Bye": byeOption };
};
 
bot.onCommand("start", false, function (msg) { bot.sendMainMenu(msg.chat); })
 
function hiOption(msg) {
  bot.sendText(msg.chat, "Hi!");
}
 
function byeOption(msg) {
  bot.sendText(msg.chat, "Bye!");
}

Objects

userOptions

Key will be shown as Telegram keyboard key. If the user hits the key, the function will be triggered.

{
  "stuff": function(msg) { ... },
  "bla": function(msg) { ... },
  ...
}

Methods

new BotHandler(pathToTokenFile)

load the token from the given file path and start the bot (polling).

botHandler.setMainMenuText(function(chat) { ...; return string; })

function will be triggered to send the main menu to the given chat. The return string will be shown to the user.

botHandler.setMainMenuOptions(function(chat) { ...; return userOptions; })

function will be triggered to send the main menu to the given chat. The userOptions will be shown to the user.

botHandler.onCommand(command, arguments, function(msg, match) {})

function will be triggered when the user sends the given command. arguments is true if the command must have arguments, false if not.

botHandler.setUnhandledMessageAnswerText(function(msg) { ...; return string; })

function will be triggered when a user msg is not recognized. The return string will be send to the user. In direct chats (not groups) the mainmenu will trigger after 500ms.

botHandler.sendText(chat, text, userOptions, [columns])

Send the text to the chat. The user will get the keys as keyboard in n columns (default 2). The answer of the user trigger the function. If the user type manual another answer the mainmenu will be send.

botHandler.sendText(chat, text, function(msg) {}, [keyboardKeys])

Send the text to the chat. The answer will trigger the function. If keyboardKeys is provided the user can chose an answer from the given keyboard. (botHandler.arrayToKeyboard(...) could be of help)

botHandler.sendText(chat, text)

Send the text to the chat. This will clear any reply_markup (force_reply/ keyboard). Nothing will happen on an answer. In direct chats (not groups) the mainmenu will trigger after 500ms.

botHandler.sendMainMenu(chat)

Send the mainmenu to the chat. This will cancel other callbacks.

botHandler.arrayToKeyboard(array, [columns, [optimizeColumns]])

Build a single dimension array into a keyboard. columns default is 2. if optimizeColumns is true, the columns can be reduced if only a few array entries exist.