node-telegram-api/demo.js

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var Bot = require('telegram-api');
// only require the message types you need, more coming soon!
var Message = require('telegram-api/types/Message');
var Question = require('telegram-api/types/Question');
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var smartBot = new Bot({
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token: 'YOUR_KEY'
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});
// getMe is called before polling starts, setting info property of bot
smartBot.start().then(() => {
console.log(smartBot.info);
});
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// Create a new question
// answers is a keyboard layout as defined in Telegram API
// we're going to reuse this by modifying it's target
const question = new Question()
.text('How should I greet you?')
.answers([['Hey'], ['Hello, Sir'], ['Yo bro']]);
// Called when a message starting with Hi is received
// You can use Regular Expressions, too
// update is an Update object as defined in Telegram API
smartBot.get('Hi', update => {
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const message = update.message;
const id = message.chat.id;
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question.to(id).reply(message.message_id);
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// Send the question, returns a promise, resolves on valid answer,
// rejects in case of an invalid answer
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smartBot.send(question).then(answer => {
const msg = new Message().to(id).text('Your answer: ' + answer);
smartBot.send(msg);
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}, () => {
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const msg = new Message().to(id).text('Invalid answer');
smartBot.send(msg);
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});
});
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// Commands are in the format `/command` or `/command@botusername` in groups
const test = new Message().text('Test Command');
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smartBot.command('test', update => {
const message = update.message;
const id = message.chat.id;
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smartBot.send(test.to(id));
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});
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const hello = new Message().text('Hello');
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smartBot.command('start', update => {
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smartBot.send(hello.to(update.message.chat.id));
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});