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Current File : //home2/selectio/www/3-idiots/app/Http/Controllers/BkashPaymentController.php

<?php

namespace App\Http\Controllers;

use App\CPU\CartManager;
use App\CPU\Convert;
use App\CPU\Helpers;
use App\CPU\OrderManager;
use Brian2694\Toastr\Facades\Toastr;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class BkashPaymentController extends Controller
{
    private $base_url;
    private $app_key;
    private $app_secret;
    private $username;
    private $password;

    public function __construct()
    {
        $config=\App\CPU\Helpers::get_business_settings('bkash');
        // You can import it from your Database
        $bkash_app_key = $config['api_key']; // bKash Merchant API APP KEY
        $bkash_app_secret = $config['api_secret']; // bKash Merchant API APP SECRET
        $bkash_username = $config['username']; // bKash Merchant API USERNAME
        $bkash_password = $config['password']; // bKash Merchant API PASSWORD
        $bkash_base_url = ($config['environment'] == 'live') ? 'https://tokenized.pay.bka.sh/v1.2.0-beta' : 'https://tokenized.sandbox.bka.sh/v1.2.0-beta';

        $this->app_key = $bkash_app_key;
        $this->app_secret = $bkash_app_secret;
        $this->username = $bkash_username;
        $this->password = $bkash_password;
        $this->base_url = $bkash_base_url;
    }

    public function getToken()
    {
        session()->forget('bkash_token');

        $post_token = array(
            'app_key' => $this->app_key,
            'app_secret' => $this->app_secret
        );

        $url = curl_init("$this->base_url/tokenized/checkout/token/grant");
        $post_token = json_encode($post_token);
        $header = array(
            'Content-Type:application/json',
            "password:$this->password",
            "username:$this->username"
        );

        curl_setopt($url, CURLOPT_HTTPHEADER, $header);
        curl_setopt($url, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($url, CURLOPT_POSTFIELDS, $post_token);
        curl_setopt($url, CURLOPT_FOLLOWLOCATION, 1);
        $resultdata = curl_exec($url);
        curl_close($url);

        $response = json_decode($resultdata, true);

        if (array_key_exists('msg', $response)) {
            return $response;
        }

        session()->put('bkash_token', $response['id_token']);

        return $response;
    }

    public function make_tokenize_payment(Request $request)
    {
        $discount = session()->has('coupon_discount') ? session('coupon_discount') : 0;
        $order_amount = CartManager::cart_grand_total() - $discount;

        $user = Helpers::get_customer();
        $response = self::getToken();
        $auth = $response['id_token'];
        session()->put('token', $auth);
        $callbackURL = route('bkash-callback', ['token' => $auth]);

        $requestbody = array(
            'mode' => '0011',
            'amount' => (string)$order_amount,
            'currency' => 'BDT',
            'intent' => 'sale',
            'payerReference' => $user['phone'],
            'merchantInvoiceNumber' => 'invoice_' . Str::random('15'),
            'callbackURL' => $callbackURL
        );

        $url = curl_init($this->base_url . '/tokenized/checkout/create');
        $requestbodyJson = json_encode($requestbody);

        $header = array(
            'Content-Type:application/json',
            'Authorization:' . $auth,
            'X-APP-Key:' . $this->app_key
        );

        curl_setopt($url, CURLOPT_HTTPHEADER, $header);
        curl_setopt($url, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($url, CURLOPT_POSTFIELDS, $requestbodyJson);
        curl_setopt($url, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($url, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
        $resultdata = curl_exec($url);
        curl_close($url);

        $obj = json_decode($resultdata);
        return redirect()->away($obj->{'bkashURL'});

    }

    public function callback(Request $request){
        $paymentID = $request['paymentID'];
        $auth = $request['token'];

        $request_body = array(
            'paymentID' => $paymentID
        );
        $url = curl_init($this->base_url . '/tokenized/checkout/execute');

        $request_body_json = json_encode($request_body);

        $header = array(
            'Content-Type:application/json',
            'Authorization:' . $auth,
            'X-APP-Key:' . $this->app_key
        );
        curl_setopt($url, CURLOPT_HTTPHEADER, $header);
        curl_setopt($url, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($url, CURLOPT_POSTFIELDS, $request_body_json);
        curl_setopt($url, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($url, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
        $resultdata = curl_exec($url);
        info($resultdata);
        curl_close($url);
        $obj = json_decode($resultdata);

        if ($obj->statusCode == '0000') {
            $order_ids = [];
            $unique_id = OrderManager::gen_unique_id();
            foreach (CartManager::get_cart_group_ids() as $group_id) {
                $data = [
                    'payment_method' => 'bkash',
                    'order_status' => 'confirmed',
                    'payment_status' => 'paid',
                    'transaction_ref' => $obj->trxID ?? null,
                    'order_group_id' => $unique_id,
                    'cart_group_id' => $group_id
                ];
                $order_id = OrderManager::generate_order($data);
                array_push($order_ids, $order_id);
            }
            CartManager::cart_clean();

            if (auth('customer')->check()) {
                Toastr::success('Payment success.');
                return view('web-views.checkout-complete');
            }
            return response()->json(['message' => 'Payment succeeded'], 200);

        } else {
            if (auth('customer')->check()) {
                Toastr::error('Payment failed.');
                return redirect('/');
            }
            return response()->json(['message' => 'Payment failed'], 403);
        }

    }
}

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