add(example): add a roger bot runs on wechaty telegram bot adaptor

[hczhcz]

No description provided.

[coveralls]

Coverage remained the same at 54.62% when pulling 2344566 on hczhcz:master into 95d6374 on Chatie:master.

[huan]

Awesome!

Could you please also update the Example Wiki Page at here? https://github.com/Chatie/wechaty/wiki/Example

Thanks!

[hczhcz]

@zixia Got it. I have updated the Wiki.

[huan]

Great!

[suntong]

@hczhcz, so what does this telegram-roger-bot.js do?

Roger Bot Uses Wechaty Telegram Bot Adaptor

which I found at https://github.com/hczhcz/wechaty-telegram

however, on looking into the readme, I still not quite understand what this Wechaty Telegram Bot Adaptor does.

Could you list what it is capable of (and maybe typical application scenario) please? Thx!

[suntong]

What I'm most eager to know is, is it possible to relay messages from weichat into a telegram room? If so, would you provide a sample code please? Thx!

[hczhcz]

@suntong

TL;DR:

Run your Telegram bot on WeChat!

The purpose is to run pre-exist Telegram bots on WeChat. If you have written a Telegram bot which uses node-telegram-bot-api, simply using the bot adaptor and you will get a WeChat bot.

Technically, it provides a different API from WeChaty's but runs on the same infrastructure as in WeChaty.

---

To forward messages between WeChat and Telegram, you need two bots (one for WeChat and another for Telegram).

const WechatyTelegramBot = require('wechaty-telegram');
const TelegramBot = require('node-telegram-bot-api');

const bot1 = new WechatyTelegramBot(...);
const bot2 = new TelegramBot(...);

Once a message comes into a bot, send it via another bot

bot1.on('message', (msg) => {
    bot2.sendMessage(...);
});
bot2.on('message', (msg) => {
    bot1.sendMessage(...);
});

That is probably what you are looking for.

[suntong]

Oh, thanks A LOT @hczhcz !!