/home/kueuepay/public_html/vendor/monolog/monolog/src/Monolog/Handler/TelegramBotHandler.php
<?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use RuntimeException;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Handler send logs to Telegram using Telegram Bot API.
 *
 * How to use:
 *  1) Create telegram bot with https://telegram.me/BotFather
 *  2) Create a telegram channel where logs will be recorded.
 *  3) Add created bot from step 1 to the created channel from step 2.
 *
 * Use telegram bot API key from step 1 and channel name with '@' prefix from step 2 to create instance of TelegramBotHandler
 *
 * @link https://core.telegram.org/bots/api
 *
 * @author Mazur Alexandr <alexandrmazur96@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class TelegramBotHandler extends AbstractProcessingHandler
{
    private const BOT_API = 'https://api.telegram.org/bot';

    /**
     * The available values of parseMode according to the Telegram api documentation
     */
    private const AVAILABLE_PARSE_MODES = [
        'HTML',
        'MarkdownV2',
        'Markdown', // legacy mode without underline and strikethrough, use MarkdownV2 instead
    ];

    /**
     * The maximum number of characters allowed in a message according to the Telegram api documentation
     */
    private const MAX_MESSAGE_LENGTH = 4096;

    /**
     * Telegram bot access token provided by BotFather.
     * Create telegram bot with https://telegram.me/BotFather and use access token from it.
     * @var string
     */
    private $apiKey;

    /**
     * Telegram channel name.
     * Since to start with '@' symbol as prefix.
     * @var string
     */
    private $channel;

    /**
     * The kind of formatting that is used for the message.
     * See available options at https://core.telegram.org/bots/api#formatting-options
     * or in AVAILABLE_PARSE_MODES
     * @var ?string
     */
    private $parseMode;

    /**
     * Disables link previews for links in the message.
     * @var ?bool
     */
    private $disableWebPagePreview;

    /**
     * Sends the message silently. Users will receive a notification with no sound.
     * @var ?bool
     */
    private $disableNotification;

    /**
     * True - split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages.
     * False - truncates a message that is too long.
     * @var bool
     */
    private $splitLongMessages;

    /**
     * Adds 1-second delay between sending a split message (according to Telegram API to avoid 429 Too Many Requests).
     * @var bool
     */
    private $delayBetweenMessages;

    /**
     * @param string $apiKey Telegram bot access token provided by BotFather
     * @param string $channel Telegram channel name
     * @param bool $splitLongMessages Split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages
     * @param bool $delayBetweenMessages Adds delay between sending a split message according to Telegram API
     * @throws MissingExtensionException
     */
    public function __construct(
        string $apiKey,
        string $channel,
               $level = Logger::DEBUG,
        bool   $bubble = true,
        string $parseMode = null,
        bool   $disableWebPagePreview = null,
        bool   $disableNotification = null,
        bool   $splitLongMessages = false,
        bool   $delayBetweenMessages = false
    )
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the TelegramBotHandler');
        }

        parent::__construct($level, $bubble);

        $this->apiKey = $apiKey;
        $this->channel = $channel;
        $this->setParseMode($parseMode);
        $this->disableWebPagePreview($disableWebPagePreview);
        $this->disableNotification($disableNotification);
        $this->splitLongMessages($splitLongMessages);
        $this->delayBetweenMessages($delayBetweenMessages);
    }

    public function setParseMode(string $parseMode = null): self
    {
        if ($parseMode !== null && !in_array($parseMode, self::AVAILABLE_PARSE_MODES)) {
            throw new \InvalidArgumentException('Unknown parseMode, use one of these: ' . implode(', ', self::AVAILABLE_PARSE_MODES) . '.');
        }

        $this->parseMode = $parseMode;

        return $this;
    }

    public function disableWebPagePreview(bool $disableWebPagePreview = null): self
    {
        $this->disableWebPagePreview = $disableWebPagePreview;

        return $this;
    }

    public function disableNotification(bool $disableNotification = null): self
    {
        $this->disableNotification = $disableNotification;

        return $this;
    }

    /**
     * True - split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages.
     * False - truncates a message that is too long.
     * @param bool $splitLongMessages
     * @return $this
     */
    public function splitLongMessages(bool $splitLongMessages = false): self
    {
        $this->splitLongMessages = $splitLongMessages;

        return $this;
    }

    /**
     * Adds 1-second delay between sending a split message (according to Telegram API to avoid 429 Too Many Requests).
     * @param bool $delayBetweenMessages
     * @return $this
     */
    public function delayBetweenMessages(bool $delayBetweenMessages = false): self
    {
        $this->delayBetweenMessages = $delayBetweenMessages;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        /** @var Record[] $messages */
        $messages = [];

        foreach ($records as $record) {
            if (!$this->isHandling($record)) {
                continue;
            }

            if ($this->processors) {
                /** @var Record $record */
                $record = $this->processRecord($record);
            }

            $messages[] = $record;
        }

        if (!empty($messages)) {
            $this->send((string)$this->getFormatter()->formatBatch($messages));
        }
    }

    /**
     * @inheritDoc
     */
    protected function write(array $record): void
    {
        $this->send($record['formatted']);
    }

    /**
     * Send request to @link https://api.telegram.org/bot on SendMessage action.
     * @param string $message
     */
    protected function send(string $message): void
    {
        $messages = $this->handleMessageLength($message);

        foreach ($messages as $key => $msg) {
            if ($this->delayBetweenMessages && $key > 0) {
                sleep(1);
            }

            $this->sendCurl($msg);
        }
    }

    protected function sendCurl(string $message): void
    {
        $ch = curl_init();
        $url = self::BOT_API . $this->apiKey . '/SendMessage';
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
            'text' => $message,
            'chat_id' => $this->channel,
            'parse_mode' => $this->parseMode,
            'disable_web_page_preview' => $this->disableWebPagePreview,
            'disable_notification' => $this->disableNotification,
        ]));

        $result = Curl\Util::execute($ch);
        if (!is_string($result)) {
            throw new RuntimeException('Telegram API error. Description: No response');
        }
        $result = json_decode($result, true);

        if ($result['ok'] === false) {
            throw new RuntimeException('Telegram API error. Description: ' . $result['description']);
        }
    }

    /**
     * Handle a message that is too long: truncates or splits into several
     * @param string $message
     * @return string[]
     */
    private function handleMessageLength(string $message): array
    {
        $truncatedMarker = ' (...truncated)';
        if (!$this->splitLongMessages && strlen($message) > self::MAX_MESSAGE_LENGTH) {
            return [Utils::substr($message, 0, self::MAX_MESSAGE_LENGTH - strlen($truncatedMarker)) . $truncatedMarker];
        }

        return str_split($message, self::MAX_MESSAGE_LENGTH);
    }
}
FAQ

FAQ

1. What is the Kueue Pay Payment Gateway?

The Kueue Pay Payment Gateway is an innovative technology that facilitates seamless and secure transactions between merchants and their customers. It enables businesses to accept debit and credit card payments both online and in physical stores.

2. How does the Kueue Pay Payment Gateway work?

The Kueue Pay Payment Gateway acts as a bridge between a merchant’s website or point-of-sale system and the payment processing network. It securely transmits payment information, authorizes transactions, and provides real-time status updates.

3. What is the advantage of using Kueue Pay’s Developer API?

The Kueue Pay Developer API empowers developers and entrepreneurs to integrate the Kueue Pay Payment Gateway directly into their websites or applications. This streamlines the payment process for customers and provides businesses with a customizable and efficient payment solution.

4. How can I access the Kueue Pay Developer API?

To access the Kueue Pay Developer API, you need to sign up for a developer account on our platform. Once registered, you’ll receive an API key that you can use to authenticate your API requests.

5. What types of transactions can I handle with the Kueue Pay Developer API?

The Kueue Pay Developer API allows you to initiate payments, check the status of payments, and process refunds. You can create a seamless payment experience for your customers while maintaining control over transaction management.

6. Is the Kueue Pay Developer API suitable for my business size and industry?

Yes, the Kueue Pay Developer API is designed to accommodate businesses of varying sizes and industries. Whether you’re a small online store or a large enterprise, our API can be tailored to fit your specific payment needs.

7. How user-friendly is the Kueue Pay Developer API integration process?

The Kueue Pay Developer API is designed with simplicity and ease of use in mind. Our comprehensive documentation, code samples, and developer support resources ensure a smooth integration process for any web platform.

8. Are there any fees associated with using the Kueue Pay Payment Gateway and API?

We offer competitive pricing plans for using the Kueue Pay Payment Gateway and Developer API. Details about fees and pricing tiers can be found on our developer portal.

9. Can I customize the payment experience for my customers using the Kueue Pay API?

Absolutely, the Kueue Pay Developer API offers customization options that allow you to tailor the payment experience to match your brand and user interface. You can create a seamless and cohesive payment journey for your customers.

10. What kind of support is available if I encounter issues during API integration?

We provide dedicated developer support to assist you with any issues or questions you may have during the API integration process. Reach out to our support team at developersupport@NFCPay.com for prompt assistance.

Remember, our goal is to empower your business with a robust and efficient payment solution. If you have any additional questions or concerns, feel free to explore our developer portal or contact our support team.