Sandbox Documentation

				
					<?php

use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Cache;
use Exception;


class PaymentGateway
{
    private string $generateTokenUrl, $paymentRedirectUrl;

    public function checkServer()
    {
        $checkServerUrl = 'https://paperless-payment-sandbox.dev-polygontech.xyz/api/v1/gateway/check-server';
        $response = Http::get($checkServerUrl);
        $resBody = $response->json();

        $this->generateTokenUrl = $resBody['url'];
        $this->paymentRedirectUrl = $resBody['bank_payment_url'];
    }

    public function generatePaymentToken(array $formData): ?string
    {

        $response = Http::asForm()->post($this->generateTokenUrl, $formData);
        $resBody = $response->json();

        return $resBody['token'];
    }

    public function redirectToPGW($token)
    {
        $url = $this->paymentRedirectUrl . '/' . $token;
        header('Location: ' . $url);
        exit();
    }

    public function checkPaymentStatus($muid, $token)
    {
        $url = 'https://paperless-payment-sandbox.dev-polygontech.xyz/api/v1/gateway/check-payment';


        $response = Http::asForm()->post($url, [
            'muid' => $muid,
            'token' => $token
        ]);

        return $response->json();
    }
}

// Example
$paymentGateway = new PaymentGateway();

// Check server
$paymentGateway->checkServer();

// Generate payment token
$formData = [
    'muid' => 'PAPERLESS6690ed68d63ea', // will be given by paperless
    'access_app_key' => 'CwtC2ALfYoprlKruITl2UsAhyMUh0g1ey5Gt660b', // will be given by paperless
    'merchant_order_id' => '105',
    'merchant_ref_id' => '571607886240c',
    'customer_name' => 'Michel Schofield',
    'customer_email' => 'schofield@gmail.com',
    'customer_add' => 'House:01,Road:08,Nikunja-2,Dhaka-1229',
    'customer_phone' => '01910000000',
    'customer_city' => 'Dhaka',
    'customer_postcode' => '1229',
    'customer_country' => 'Bangladesh',
    'shipping_name' => 'Linking Burrows',
    'shipping_email' => 'test@test.com',
    'shipping_add' => 'House:01,Road:08,Nikunja-2,Dhaka-1229',
    'shipping_city' => 'Dhaka',
    'shipping_postCode' => '1600',
    'shipping_country' => 'Bangladesh',
    'product_desc' => '{2 X Pendrive [800]=[1600]} {1 Mouse [700]=[700]} {shipping rate:40.00}-{discount amount:0.00}=2340.00}',
    'amount' => '2340',
    'currency' => 'BDT',
    'approve_url' => 'https://www.approve.com', // post-request
    'cancel_url' => 'https://www.cancel.com', // post-request
    'decline_url' => 'https://www.decline.com', // post-request
];

$token = $paymentGateway->generatePaymentToken($formData);



// Redirect to gateway
$paymentGateway->redirectToPGW($token);



//after successful or failed execution the server will send the mentioned data to the callback URL
{
"merchant_txn_data": "{\"token\":\"5019e350-f6ba-44fc-8538-72643d3c8eec\",\"txn_status\":1000,\"merchant_order_id\":\"1231312\"}"
}

// Check payment status
$muid = 'PAPERLESS6690ed68d63ea';
$token = 'd8fc9fda-7dd8-4769-99c0-918a6f3155ad'; //token (merchant_txn_data->token) sent to the callback url



$paymentStatus = $paymentGateway->checkPaymentStatus($muid, $token);
if ($paymentStatus) {
    print_r($paymentStatus);
} else {
    echo "Failed to check payment status.\n";
}