file uploads, polls, payments, and AI chat responses - Gianguyen1234/app-doc GitHub Wiki

Let's add file uploads, polls, payments, and AI chat responses to your Laravel Telegram Bot.

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1️⃣ Send & Receive Files 📁

Send a File to Users

Modify TelegramService.php:

public function sendDocument($fileUrl, $caption = '')
{
    return $this->telegram->sendDocument([
        'chat_id' => $this->chat_id,
        'document' => $fileUrl,
        'caption' => $caption
    ]);
}

✅ Usage:

$telegram->sendDocument("https://example.com/sample.pdf", "Here’s your document!");

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Receive Files from Users

Edit routes/web.php:

Route::post('/telegram/webhook', function (Request $request, TelegramService $telegram) {
    $update = $request->all();

    if (isset($update['message']['document'])) {
        $file_id = $update['message']['document']['file_id'];
        $telegram->sendMessage("Thanks for the file! 📂\nFile ID: " . $file_id);
    }

    return response()->json(['status' => 'ok']);
});

---

2️⃣ Create Polls & Surveys 📊

Modify TelegramService.php:

public function sendPoll($question, $options)
{
    return $this->telegram->sendPoll([
        'chat_id' => $this->chat_id,
        'question' => $question,
        'options' => json_encode($options)
    ]);
}

✅ Usage:

$options = ["Yes", "No", "Maybe"];
$telegram->sendPoll("Do you like Laravel?", $options);

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3️⃣ Accept Payments 💰

Enable Telegram Payments

1️⃣ Open [@BotFather](https://t.me/BotFather)
2️⃣ Send /mybots → Select your bot
3️⃣ Go to Bot Settings → Payments → Add a Payment Provider (e.g., Stripe)
4️⃣ Get your Payment Token

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Laravel Code to Send an Invoice

Modify TelegramService.php:

public function sendInvoice($title, $description, $price, $payload)
{
    return $this->telegram->sendInvoice([
        'chat_id' => $this->chat_id,
        'title' => $title,
        'description' => $description,
        'payload' => $payload,
        'provider_token' => env('TELEGRAM_PAYMENT_TOKEN'),
        'currency' => 'USD',
        'prices' => json_encode(['label' => 'Total', 'amount' => $price * 100](/Gianguyen1234/app-doc/wiki/'label'-=>-'Total',-'amount'-=>-$price-*-100))
    ]);
}

✅ Usage:

$telegram->sendInvoice("Laravel Course", "Learn Laravel with this course!", 10, "order_123");

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4️⃣ AI Chatbot (GPT-4 Powered) 🤖

Step 1: Get OpenAI API Key

Go to OpenAI → Create an account → Get an API Key

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Step 2: Install OpenAI SDK

Run this in your Laravel project:

composer require openai-php/client

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Step 3: Add AI Chat Response

Modify TelegramService.php:

use OpenAI;

public function chatWithAI($message)
{
    $client = OpenAI::client(env('OPENAI_API_KEY'));

    $response = $client->completions()->create([
        'model' => 'gpt-4',
        'prompt' => $message,
        'max_tokens' => 50,
    ]);

    return trim($response['choices'][0]['text']);
}

✅ Usage:

Edit routes/web.php:

Route::post('/telegram/webhook', function (Request $request, TelegramService $telegram) {
    $update = $request->all();

    if (isset($update['message']['text'])) {
        $userMessage = $update['message']['text'];
        $aiResponse = $telegram->chatWithAI($userMessage);

        $telegram->sendMessage($aiResponse);
    }

    return response()->json(['status' => 'ok']);
});

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🔥 Final Test

1️⃣ Send a file → Bot replies with "Thanks for the file!"
2️⃣ Start a poll → Users can vote (Yes, No, Maybe)
3️⃣ Send an invoice → Users can pay via Telegram
4️⃣ Send any message → AI responds dynamically 🤖