TELEGRAM SMS PROVIDER FOR VTIGER

<?php
/*********************************************************************************
 ** The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is: vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.

 ********************************************************************************/

class SMSNotifier_telegram_Provider implements SMSNotifier_ISMSProvider_Model {

    private $_username;
    private $_password;
    private $_parameters = array();

    const SERVICE_URI = 'https://api.telegram.org/';

    private static $REQUIRED_PARAMETERS = array('from');

    function __construct() {

    }

    public function getName() {
        return 'telegram';
    }

    public function setAuthParameters($username, $password) {
        $this->_username = $username;
        $this->_password = $password;
    }

    public function setParameter($key, $value) {
        $this->_parameters[$key] = $value;
    }

    public function getParameter($key, $defvalue = false) {
        if (isset($this->_parameters[$key])) {
            return $this->_parameters[$key];
        }
        return $defvalue;
    }

    public function getRequiredParams() {
        return self::$REQUIRED_PARAMETERS;
    }

    public function getServiceURL($type = false) {
        if ($type) {
            switch (strtoupper($type)) {
                case self::SERVICE_AUTH : return self::SERVICE_URI . 'bot"BOT TOKEN"/sendMessage';
                case self::SERVICE_SEND : return self::SERVICE_URI . 'bot"BOT TOKEN"/sendMessage';
                case self::SERVICE_QUERY : return self::SERVICE_URI . '/http/query.php';
            }
        }
        return false;
    }

    protected function prepareParameters() {
        $params = array('username' => $this->_username, 'password' => $this->_password);
        foreach (self::$REQUIRED_PARAMETERS as $key) {
            $params[$key] = $this->getParameter($key);
        }
        return $params;
    }

    public function send($message, $tonumbers) {
        if (!is_array($tonumbers)) {
            $tonumbers = array($tonumbers);
        }
        foreach ($tonumbers as $i => $tonumber) {
            $tonumbers[$i] = str_replace(array('(', ')', ' ', '+', '-'), '', $tonumber);
        }

        $params = $this->prepareParameters();
        $params['text'] = $message;
        $params['chat_id'] = implode(',', $tonumbers);

        $serviceURL = $this->getServiceURL(self::SERVICE_SEND);
        $httpClient = new Vtiger_Net_Client($serviceURL);
        $messageId = $httpClient->doGet($params);
        $queryResult = $this->query($messageId);
        $result = array(
            'id' => $messageId,
            'status' => $queryResult['status'],
            'error' => false
        );
        if ($queryResult['status'] == self::MSG_STATUS_FAILED) {
            $result['error'] = true;
        }
        $results = array();
        foreach ($tonumbers as $i => $tonumber) {
            $results[$i] = $result;
            $results[$i]['chat_id'] = $tonumber;
        }

        return $results;
    }

    public function query($messageid) {
        $params = array('username' => $this->_username, 'password' => $this->_password, 'msgid' => $messageid);
        $serviceURL = $this->getServiceURL(self::SERVICE_QUERY);
        $httpClient = new Vtiger_Net_Client($serviceURL);
        $response = $httpClient->doGet($params);
        $result = array();
        if (stripos($response, 'Delivered') !== false) {
            $result['status'] = self::MSG_STATUS_DISPATCHED;
            $result['needlookup'] = 0;
            $result['statusmessage'] = 'Message delivered';
        } else if (stripos($response, 'Submitted') !== false) {
            $result['status'] = self::MSG_STATUS_PROCESSING;
            $result['needlookup'] = 1;
            $result['statusmessage'] = 'Message submitted for processing';
        } else {
            $result['status'] = self::MSG_STATUS_FAILED;
            $result['needlookup'] = 0;
            $result['statusmessage'] = 'Message delivery failed.';
        }

        return $result;
    }

}

?>