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cotestatnt / AsyncTelegram2

Powerful, flexible and secure Arduino Telegram BOT library. Hardware independent, it can be used with any MCU capable of handling an SSL connection.
MIT License
85 stars 25 forks source link

Reading and processing messages from a channel or group #82

Closed usr222 closed 2 years ago

usr222 commented 2 years ago

Hi! There is a bot that sends messages to a channel or group. The question arose - can the second bot read and process messages from this channel/group using this library? If yes, how to do it? It worked to send a message to the channel, but not to read it using another bot. If possible, give a small example.

cotestatnt commented 2 years ago

Hi @usr222 Sorry for late reply, but I was on holiday.

The bot can receive and handle messages from groups, but off course it has to be added as a member of group.

You need only to take care about commands sent with slash character like for example /start or /whateveryouwant because when a command is sent from a group, Telegram will add automatically "@name_of_the_group" to text of command.

For example, /start will became /start@

usr222 commented 2 years ago

Hi @cotestatnt Thanks for the answer. Yes, I do not know how, but everything has already worked. When I returned to my code a few days later, I saw that the bots were already receiving messages in the group. At the same time, I did not change anything either in my code or in the settings of the bots. Some mysticism :) . But the main problem remained - how to teach bots to see messages from other bots. As I understand it, this is disabled by the telegram developers. Perhaps there is another way to control one (master) esp8266 with other esp8266 via the Internet?

cotestatnt commented 2 years ago

Hi @usr222 Yes, unfortunately you can't send a message from bot to bot because, as far as i know, there's no way to get the bot's id. If you need to make a device to device communication, you need to orient yourself on a system other than Telegram.

A possible solution could be to use Google Firebase as a "gateway": for example, the "Realtime Database" allows you to add "listeners" to the data so that every time there is a change your ESP can react accordingly without having to poll continuously.

Check this examples included with Firebase-ESP-Client library as a stanting point!