Building a Golang Telegram Bot for Personal AI Assistance

Creating a Telegram bot that integrates with an AI assistant is an exciting project that combines real-time messaging, AI processing, and Golang's powerful concurrency model. In this blog, I'll guide you through the architecture, features, and implementation of a Telegram bot using Golang, with a complete system design to boot!

Overview

This project builds a personal AI assistant accessible via two interfaces:

1. Telegram Bot: A real-time conversational interface.

2. Console Chat: A terminal-based chatbot for direct interaction.

Key Features:

• AI model switching based on user input.

• Persistent chat history across sessions.

• Interactive bot responses with live editing.

• Retry mechanism for robust API handling.

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System Design

Architecture
The system comprises the following components:

• Bot Interface: Handles incoming messages, processes user input, and sends responses.

• Assistant Utilities: Contains AI model integration logic.

• History Management: Manages conversation history for persistence.

• Error Handling: Ensures graceful error recovery.

Flow Diagram

[User] <---> [Telegram API] <---> [Bot API Handler] <---> [AI Processing Logic]
                                  ^                      |
                                  |                      v
                            [History Management]  [Error Handler]

Components

• Telegram Bot API: Utilized for real-time messaging and updates.
• Golang’s Concurrency: To handle multiple user conversations seamlessly.
• History Module: Saves chat history in local files for reloadable sessions.
• Assistant Utilities: Processes user input and integrates AI logic.

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Key Code Walkthrough

1. Main Application Entry The main() function provides users with two modes: Telegram Bot and Console Chat. This ensures the assistant is accessible both online and offline.

func main() {
    fmt.Println("Choose mode: [1] Telegram Bot, [2] Console Chat")
    var choice int
    fmt.Scan(&choice)
    switch choice {
        case 1:
            deploy.TelegramBot()
        case 2:
            runConsoleChat()
        default:
            fmt.Println("Invalid choice.")
    }
}

1. Telegram Bot Initialization The bot uses go-telegram-bot-api for interacting with Telegram.

func NewTelegramBot() {
    token := os.Getenv("TELEGRAM_BOT_TOKEN")
    bot, err := NewBot(token)
    if err != nil {
        log.Fatal("Failed to start bot:", err)
    }
    bot.Start(context.Background())
}

1. Handling User Messages

This method manages user interactions, including history loading and AI response handling.

[User] <---> [Telegram API] <---> [Bot API Handler] <---> [AI Processing Logic]
                                  ^                      |
                                  |                      v
                            [History Management]  [Error Handler]

1. Persistent History Management Chat history is managed through file-based persistence for continuity between sessions.

func main() {
    fmt.Println("Choose mode: [1] Telegram Bot, [2] Console Chat")
    var choice int
    fmt.Scan(&choice)
    switch choice {
        case 1:
            deploy.TelegramBot()
        case 2:
            runConsoleChat()
        default:
            fmt.Println("Invalid choice.")
    }
}

1. AI Processing Logic The bot integrates with an AI assistant, handling retries and partial responses.

func NewTelegramBot() {
    token := os.Getenv("TELEGRAM_BOT_TOKEN")
    bot, err := NewBot(token)
    if err != nil {
        log.Fatal("Failed to start bot:", err)
    }
    bot.Start(context.Background())
}

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Want a demo ?

Building a Golang Telegram Bot for Personal AI Assistance | by Mukul Saini | Dec, 2024 | Medium

Mukul Saini ・ Dec 26, 2024 ・

Medium

demo

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Conclusion
With this bot, we leverage Golang's concurrency and efficient libraries to build a scalable and interactive AI assistant. The integration with Telegram API ensures a seamless real-time experience for users. Start building yours today and explore the power of AI-driven conversations!

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