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编辑当前文件:/home/royashxg/bit-alphas-ltd.com/user/project/app/Http/Controllers/Checkout/PaytmController.php

<?php

namespace App\Http\Controllers\Checkout;

use App\Repositories\OrderRepository;
use App\Http\Controllers\Controller;
use App\Models\Currency;
use App\Models\Generalsetting;
use App\Models\Invest;
use App\Models\PaymentGateway;
use Illuminate\Support\Str;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Session;

class PaytmController extends Controller
{
    public $orderRepositorty;

public function __construct(OrderRepository $orderRepositorty)
    {
        $this->orderRepositorty = $orderRepositorty;
    }
    
    public function store(Request $request){

if($request->currency_code != "INR")
        {
            return redirect()->back()->with('unsuccess','Please Select INR Currency For Paytm.');
        }

$settings = Generalsetting::findOrFail(1);
        $order = new Invest();
        $item_name = $settings->title." Invest";
        $item_number = Str::random(12);
        $item_amount = $request->amount;

$currency = Currency::whereId($request->currency_id)->first();
        $amountToAdd =  $request->amount/$currency->value;

$addionalData = ['item_number'=>$item_number];
        $this->orderRepositorty->order($request,'pending',$addionalData);

Session::put('order_number',$item_number);

$data_for_request = $this->handlePaytmRequest( $item_number, $item_amount );
	    $paytm_txn_url = 'https://securegw-stage.paytm.in/theia/processTransaction';
	    $paramList = $data_for_request['paramList'];
	    $checkSum = $data_for_request['checkSum'];

return view( 'frontend.paytm-merchant-form', compact( 'paytm_txn_url', 'paramList', 'checkSum' ) );
    }

public function handlePaytmRequest( $transaction_id, $amount) {
        $gs = Generalsetting::first();
        $data = PaymentGateway::whereKeyword('Paytm')->first();
        $paydata = $data->convertAutoData();

$this->getAllEncdecFunc();
        $checkSum = "";
        $paramList = array();
        $paramList["MID"] = $paydata['merchant'];
        $paramList["ORDER_ID"] = $transaction_id;
        $paramList["CUST_ID"] = $transaction_id;
        $paramList["INDUSTRY_TYPE_ID"] = $paydata['industry'];
        $paramList["CHANNEL_ID"] = 'WEB';
        $paramList["TXN_AMOUNT"] = $amount;
        $paramList["WEBSITE"] = $paydata['website'];
        $paramList["CALLBACK_URL"] = route('checkout.paytm.notify');
        $paytm_merchant_key = $paydata['secret'];
        $checkSum = getChecksumFromArray( $paramList, $paytm_merchant_key );
        return array(
            'checkSum' => $checkSum,
            'paramList' => $paramList
        );
    }

function getAllEncdecFunc() {
        function encrypt_e($input, $ky) {
            $key   = html_entity_decode($ky);
            $iv = "@@@@&&&&####$$$$";
            $data = openssl_encrypt ( $input , "AES-128-CBC" , $key, 0, $iv );
            return $data;
    }

function decrypt_e($crypt, $ky) {
        $key   = html_entity_decode($ky);
        $iv = "@@@@&&&&####$$$$";
        $data = openssl_decrypt ( $crypt , "AES-128-CBC" , $key, 0, $iv );
        return $data;
    }

function pkcs5_pad_e($text, $blocksize) {
        $pad = $blocksize - (strlen($text) % $blocksize);
        return $text . str_repeat(chr($pad), $pad);
    }

function pkcs5_unpad_e($text) {
        $pad = ord($text(strlen($text) - 1));
        if ($pad > strlen($text))
            return false;
        return substr($text, 0, -1 * $pad);
    }

function generateSalt_e($length) {
        $random = "";
        srand((double) microtime() * 1000000);
        $data = "AbcDE123IJKLMN67QRSTUVWXYZ";
        $data .= "aBCdefghijklmn123opq45rs67tuv89wxyz";
        $data .= "0FGH45OP89";
        for ($i = 0; $i < $length; $i++) {
            $random .= substr($data, (rand() % (strlen($data))), 1);
        }
        return $random;
    }

function checkString_e($value) {
        if ($value == 'null')
            $value = '';
        return $value;
    }

function getChecksumFromArray($arrayList, $key, $sort=1) {
        if ($sort != 0) {
            ksort($arrayList);
        }
        $str = getArray2Str($arrayList);
        $salt = generateSalt_e(4);
        $finalString = $str . "|" . $salt;
        $hash = hash("sha256", $finalString);
        $hashString = $hash . $salt;
        $checksum = encrypt_e($hashString, $key);
        return $checksum;
    }

function getChecksumFromString($str, $key) {
        $salt = generateSalt_e(4);
        $finalString = $str . "|" . $salt;
        $hash = hash("sha256", $finalString);
        $hashString = $hash . $salt;
        $checksum = encrypt_e($hashString, $key);
        return $checksum;
    }

function redirect2PG($paramList, $key) {
        $hashString = getchecksumFromArray($paramList, $key);
        $checksum = encrypt_e($hashString, $key);
    }

function removeCheckSumParam($arrayList) {
        if (isset($arrayList["CHECKSUMHASH"])) {
            unset($arrayList["CHECKSUMHASH"]);
        }
        return $arrayList;
    }

function getTxnStatus($requestParamList) {
        return callAPI(PAYTM_STATUS_QUERY_URL, $requestParamList);
    }

function getTxnStatusNew($requestParamList) {
        return callNewAPI(PAYTM_STATUS_QUERY_NEW_URL, $requestParamList);
    }

function initiateTxnRefund($requestParamList) {
        $CHECKSUM = getRefundChecksumFromArray($requestParamList,PAYTM_MERCHANT_KEY,0);
        $requestParamList["CHECKSUM"] = $CHECKSUM;
        return callAPI(PAYTM_REFUND_URL, $requestParamList);
    }

function callAPI($apiURL, $requestParamList) {
        $jsonResponse = "";
        $responseParamList = array();
        $JsonData =json_encode($requestParamList);
        $postData = 'JsonData='.urlencode($JsonData);
        $ch = curl_init($apiURL);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'Content-Length: ' . strlen($postData))
        );
        $jsonResponse = curl_exec($ch);
        $responseParamList = json_decode($jsonResponse,true);
        return $responseParamList;
    }

function callNewAPI($apiURL, $requestParamList) {
        $jsonResponse = "";
        $responseParamList = array();
        $JsonData =json_encode($requestParamList);
        $postData = 'JsonData='.urlencode($JsonData);
        $ch = curl_init($apiURL);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
                'Content-Type: application/json',
                'Content-Length: ' . strlen($postData))
        );
        $jsonResponse = curl_exec($ch);
        $responseParamList = json_decode($jsonResponse,true);
        return $responseParamList;
    }

function getRefundChecksumFromArray($arrayList, $key, $sort=1) {
        if ($sort != 0) {
            ksort($arrayList);
        }
        $str = getRefundArray2Str($arrayList);
        $salt = generateSalt_e(4);
        $finalString = $str . "|" . $salt;
        $hash = hash("sha256", $finalString);
        $hashString = $hash . $salt;
        $checksum = encrypt_e($hashString, $key);
        return $checksum;
    }

function callRefundAPI($refundApiURL, $requestParamList) {
            $jsonResponse = "";
            $responseParamList = array();
            $JsonData =json_encode($requestParamList);
            $postData = 'JsonData='.urlencode($JsonData);
            $ch = curl_init($apiURL);
            curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
            curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
            curl_setopt($ch, CURLOPT_URL, $refundApiURL);
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $headers = array();
            $headers[] = 'Content-Type: application/json';
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
            $jsonResponse = curl_exec($ch);
            $responseParamList = json_decode($jsonResponse,true);
            return $responseParamList;
        }
    }

function getConfigPaytmSettings() {

$gs = Generalsetting::first();
        
            if ($gs->paytm_mode == 'sandbox') {
            define('PAYTM_ENVIRONMENT', 'TEST'); // PROD
            } elseif ($gs->paytm_mode == 'live') {
            define('PAYTM_ENVIRONMENT', 'PROD'); // PROD
            }
    
            define('PAYTM_MERCHANT_KEY', $gs->paytm_secret); 
            define('PAYTM_MERCHANT_MID', $gs->paytm_merchant); 
            define('PAYTM_MERCHANT_WEBSITE', $gs->paytm_website); 
            $PAYTM_STATUS_QUERY_NEW_URL='https://securegw-stage.paytm.in/merchant-status/getTxnStatus';
            $PAYTM_TXN_URL='https://securegw-stage.paytm.in/theia/processTransaction';
            if (PAYTM_ENVIRONMENT == 'PROD') {
                $PAYTM_STATUS_QUERY_NEW_URL='https://securegw.paytm.in/merchant-status/getTxnStatus';
                $PAYTM_TXN_URL='https://securegw.paytm.in/theia/processTransaction';
            }
            define('PAYTM_REFUND_URL', '');
            define('PAYTM_STATUS_QUERY_URL', $PAYTM_STATUS_QUERY_NEW_URL);
            define('PAYTM_STATUS_QUERY_NEW_URL', $PAYTM_STATUS_QUERY_NEW_URL);
            define('PAYTM_TXN_URL', $PAYTM_TXN_URL);
        }

public function paytmCallback( Request $request ) {
            
            $order_number = Session::get('order_number');

$transaction_id = $request['ORDERID'];
            if ( 'TXN_SUCCESS' === $request['STATUS'] ) {
                $transaction_id = $request['TXNID'];
                $order = Invest::where('transaction_no',$order_number)->where('payment_status','pending')->first();
               
                $data['txnid'] = $transaction_id;
                $data['payment_status'] = "completed";
                $data['status'] = 1;
                $order->update($data);

$this->orderRepositorty->callAfterOrder($request,$order);
                Session::forget('order_number');

return redirect()->route('user.invest.history')->with('message','Invest successfully complete.');
    
            } else if( 'TXN_FAILURE' === $request['STATUS'] ){
                return redirect()->route('user.invest.checkout')->with('warning','Payment Cancelled!');
            }
        }
}