Quick Guide to setup a telegram bot and privat group chat

Quick Guide to setup a telegram bot and privat group chat

1. Open bothfather channel

send massage to @botfather

/start

2. Create new bot

/newbot

answer with botname fdia answer bot name with bot at end fdia_bot

3. Create a privat telegram chat group

Open Telegram App:

Launch the Telegram app on your mobile device or desktop.

Start a New Group:

Tap the pencil icon, then select “New Group.”

Select Members:

Choose the users you want to add to the group. You can search for their usernames or select them from your contacts.

Name the Group:

After selecting the members, tap the arrow (or “Next”) and enter a name for your group. Optionally, you can set a group photo.

Select Auto-Message-Deletion

Select an auto deletion interval of your choice in the dropdown box.

Create the Group:

Tap the checkmark (or “Create”) to finalize the creation of the group.

Find the Bot

Search for the bot you want to add to the group by typing its complete username in the search bar.

Add the Bot

Open the bot’s chat, tap the bot’s profile picture, and select “Add to Group.”.
Then choose the group you just created.

Open Group Settings

Go to the group chat, tap the group name at the top to open the group’s info page.

Edit Group Permissions

Tap the pencil icon (or “Edit”) to access the group settings.

Set Privacy

In the “Group Type” section, ensure the group is set to “Private.” .
This means only invited members can join the group.

Enable Bot to Read Messages For the bot to read messages, it needs the appropriate permissions

Admin Rights: Go to the group’s info page, select “Administrators,” and add the bot as an admin. When setting the bot’s admin permissions, ensure it has the “Read All Group Messages” permission.

4. Change bot setting in the BotFather Chat

/setjoingroups

select group from selcections menu/ insert bot name

5. Change bot permissions to get group messages in the BotFather Chat

/setprivacy

select bot from choosable menu or add bot name
new select disable to get and read all messages

6. Run python bot command to get chat group details for configuration config.yaml

Now it time to get your telegram

user id
chat group id
and if more than one user is in the group their user ids

Send from your mobile phone a message to the telegram chat group where your bot is assigned in. Now it time to ask other telegram chat group members to also send a test message to the group so that their from id’s are also visible in the below commands.

Now run shell command:

curl -X GET "https://api.telegram.org/bot<YOUR_BOT_TOKEN code>/getUpdates" |jq -r

example output:

{
  "ok": true,
  "result": [
    {
      "update_id": 839666728,
      "message": {
        "message_id": 1994,
        "from": {
          "id": 123456789,
          "is_bot": false,
          "first_name": "MyFirstName",
          "username": "MyFullName",
          "language_code": "de"
        },
        "chat": {
          "id": -987654321,
          "title": "a_group_title",
          "type": "group",
          "all_members_are_administrators": true
        },
        "date": 1721202785,
        "text": "test text"
      }
    },
        {
      "update_id": 3456789012,
      "message": {
        "message_id": 1995,
        "from": {
          "id": 123450000,
          "is_bot": false,
          "first_name": "OtherUserFirstName",
          "username": "OtherUserFullName",
          "language_code": "de"
        },
        "chat": {
          "id": -987654321,
          "title": "a_group_title",
          "type": "group",
          "all_members_are_administrators": true
        },
        "date": 1721202785,
        "text": "other user test text"
      }
    }
  ]
}

or if you prefer httpie command instead shell curl run this:

http GET https://api.telegram.org/bot<YOUR_BOT_TOKEN>/getUpdates

example output:

HTTP/1.1 200 OK
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Allow-Origin: *
Access-Control-Expose-Headers: Content-Length,Content-Type,Date,Server,Connection
Connection: keep-alive
Content-Length: 998
Content-Type: application/json
Date: Wed, 17 Jul 2024 08:03:52 GMT
Server: nginx/1.18.0
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

{
  "ok": true,
  "result": [
    {
      "update_id": 839666728,
      "message": {
        "message_id": 1994,
        "from": {
          "id": 123456789,
          "is_bot": false,
          "first_name": "MyFirstName",
          "username": "MyFullName",
          "language_code": "de"
        },
        "chat": {
          "id": -987654321,
          "title": "a_group_title",
          "type": "group",
          "all_members_are_administrators": true
        },
        "date": 1721202785,
        "text": "test text"
      }
    },
        {
      "update_id": 3456789012,
      "message": {
        "message_id": 1995,
        "from": {
          "id": 123450000,
          "is_bot": false,
          "first_name": "OtherUserFirstName",
          "username": "OtherUserFullName",
          "language_code": "de"
        },
        "chat": {
          "id": -987654321,
          "title": "a_group_title",
          "type": "group",
          "all_members_are_administrators": true
        },
        "date": 1721202785,
        "text": "other user test text"
      }
    }
  ]
}

Now search in the output for

json tree message.from.id which is equal to the user id stored in config.yaml under section telegram allowed_user_ids as list string values.
json tree message.chat.id which is the telegram chat group id which you want to allow the bot to react on. A group chat id starts always with a -.
Store this chat id in config.yaml under section telegram chat_number as string value.