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SavvyWolf - MANAGER

Edit File: Paytm.php

<?php

require_once APPPATH . "/libraries/paytm/PaytmChecksum.php";

/**
* Generate checksum by parameters we have
* Find your Merchant ID, Merchant Key and Website in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys 
*/

/*
*define('PAYTM_MID', 'PAYTM_MID_HERE');
*define('PAYTM_MERCHANT_KEY', 'PAYTM_MERCHANT_KEY_HERE');  
*define('PAYTM_WEBSITE', 'DEFAULT');
*define('PAYTM_ENVIRONMENT', 'https://securegw-stage.paytm.in');
*/

class Paytm
{
    private $AMOUNT;
    private $ORDER_ID;
    private $PAYTM_MID;
    private $PAYTM_MERCHANT_KEY;
    private $PAYTM_WEBSITE;
    private $PAYTM_ENVIRONMENT;
    private $CALL_BACK_URL;

function __construct($params)
    {
        $this->PAYTM_WEBSITE = "DEFAULT";
        $this->PAYTM_ENVIRONMENT = "https://securegw.paytm.in";
        $this->ORDER_ID =  $params['invId'];//.'-'.time(); // "PYTM_BLINK_".time(); //
        $this->PAYTM_MID = $params['m_id'];
        $this->AMOUNT = $params['credits'];
        $this->PAYTM_MERCHANT_KEY = $params['m_key'];
        $this->CALL_BACK_URL = $params['urlWebhook'];
    }

function getTransactionToken($currency){

$amount = $this->AMOUNT;
 		$callbackUrl = $this->CALL_BACK_URL;
        $domainName =  $_SERVER['HTTP_HOST'];
        $pieces = explode('.', $domainName);
		$paytmParams["body"] = 
		array(
			"requestType" 	=> "Payment",
			"mid" 			=> $this->PAYTM_MID,
			"websiteName" 	=> $pieces[1],
			"orderId" 		=> $this->ORDER_ID,
			"callbackUrl" 	=> $callbackUrl,
			"txnAmount" 	=> array(
					"value" 	=> $amount,
					"currency" 	=> $currency,
				),
			"userInfo" 		=> array(
					"custId" 	=> "CUST_".time(),
				),
			"channelId" 	=> "WEB",
		);
		$generateSignature = PaytmChecksum::generateSignature(json_encode($paytmParams['body'], JSON_UNESCAPED_SLASHES), $this->PAYTM_MERCHANT_KEY);
        
		//d($generateSignature);
		$paytmParams["head"] = array(
			"signature"	=> $generateSignature
		);

$url = $this->PAYTM_ENVIRONMENT."/theia/api/v1/initiateTransaction?mid=". $this->PAYTM_MID ."&orderId=". $this->ORDER_ID;
        //var_dump($url);
		$getcURLResponse = $this->getcURLRequest($url, $paytmParams);
		//echo "<pre>"; print_r($getcURLResponse);
		if(!empty($getcURLResponse['body']['resultInfo']['resultStatus']) && $getcURLResponse['body']['resultInfo']['resultStatus'] == 'S'){
			$result = array('success' => true, 'orderId' => $this->ORDER_ID, 'txnToken' => $getcURLResponse['body']['txnToken'], 'amount' => $amount, 'message' => $getcURLResponse['body']['resultInfo']['resultMsg']);
		}else{
			$result = array('success' => false, 'orderId' => $this->ORDER_ID, 'txnToken' => '', 'amount' => $amount, 'message' => $getcURLResponse['body']['resultInfo']['resultMsg']);
		}
		//echo "<pre>"; print_r($result); die;
		return $result;
	}

function getcURLRequest($url , $postData = array(), $headers = array("Content-Type: application/json")){
		$post_data_string = json_encode($postData, JSON_UNESCAPED_SLASHES);
		$ch = curl_init($url);
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data_string);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
		curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json")); 
		$response = curl_exec($ch);
		return json_decode($response,true);
	}

function getSiteURL(){
		$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
		return str_replace(' ', '', $actual_link);
	}
	//$result = getTransactionToken();

function transactionStatus($transactionToken)
	{
	    //$result = getTransactionToken();
		/* initialize an array */
		$paytmParams = array();

/* body parameters */
		$paytmParams["body"] = array(
			"mid" => $this->PAYTM_MID,
			/* Enter your order id which needs to be check status for */
			"orderId" => $this->ORDER_ID,
		);

$checksum = PaytmChecksum::generateSignature(json_encode($paytmParams["body"], JSON_UNESCAPED_SLASHES), $this->PAYTM_MERCHANT_KEY);

/* head parameters */
		$paytmParams["head"] = array(
			"signature"	=> $checksum
		);

/* prepare JSON string for request */
		$post_data = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);
		$url = PAYTM_ENVIRONMENT."/v3/order/status";
		$getcURLResponse = getcURLRequest($url, $paytmParams);
		return $getcURLResponse;
	}
    
}
//error_reporting(E_ALL);
//ini_set('display_errors', 'on');
//$wompi = new wompiGSMTool();
//$wompi->process_payment(1);