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✏️ Editing: BkashPaymentController.php

<?php

namespace App\Http\Controllers;

use App\Models\PaymentRequest;
use App\Models\User;
use App\Traits\Processor;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Str;

class BkashPaymentController extends Controller
{
    use Processor;

private $config_values;
    private $base_url;
    private $app_key;
    private $app_secret;
    private $username;
    private $password;
    private PaymentRequest $payment;
    private $user;

public function __construct(PaymentRequest $payment,User $user)
    {
        $config = $this->payment_config('bkash', 'payment_config');
        if (!is_null($config) && $config->mode == 'live') {
            $this->config_values = json_decode($config->live_values);
        } elseif (!is_null($config) && $config->mode == 'test') {
            $this->config_values = json_decode($config->test_values);
        }

if ($config) {
            $this->app_key = $this->config_values->app_key;
            $this->app_secret = $this->config_values->app_secret;
            $this->username = $this->config_values->username;
            $this->password = $this->config_values->password;
            $this->base_url = ($config->mode == 'live') ? 'https://tokenized.pay.bka.sh/v1.2.0-beta' : 'https://tokenized.sandbox.bka.sh/v1.2.0-beta';
        }

$this->payment = $payment;
        $this->user = $user;
    }

public function getToken()
    {
        $post_token = array(
            'app_key' => $this->app_key,
            'app_secret' => $this->app_secret
        );

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

curl_setopt($url, CURLOPT_HTTPHEADER, $header);
        curl_setopt($url, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($url, CURLOPT_POSTFIELDS, $post_token_json);
        curl_setopt($url, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($url, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);

$resultdata = curl_exec($url);
        curl_close($url);

$response = json_decode($resultdata, true);

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

return $response;
    }

public function make_tokenize_payment(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'payment_id' => 'required|uuid'
        ]);

if ($validator->fails()) {
            return response()->json($this->response_formatter(GATEWAYS_DEFAULT_400, null, $this->error_processor($validator)), 400);
        }

$data = $this->payment::where(['id' => $request['payment_id']])->where(['is_paid' => 0])->first();
        if (!isset($data)) {
            return response()->json($this->response_formatter(GATEWAYS_DEFAULT_204), 200);
        }
        $payer = json_decode($data['payer_information']);

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

$requestbody = array(
            'mode' => '0011',
            'amount' => round($data->payment_amount, 2),
            'currency' => 'BDT',
            'intent' => 'sale',
            'payerReference' => $payer->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 = $_GET['paymentID'];
        $auth = $_GET['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);
        curl_close($url);
        $obj = json_decode($resultdata);

if ($obj->statusCode == '0000') {

$this->payment::where(['id' => $request['payment_id']])->update([
                'payment_method' => 'bkash',
                'is_paid' => 1,
                'transaction_id' => $obj->trxID ?? null,
            ]);

$data = $this->payment::where(['id' => $request['payment_id']])->first();

if (isset($data) && function_exists($data->success_hook)) {
                call_user_func($data->success_hook, $data);
            }

return $this->payment_response($data,'success');
        } else {
            $payment_data = $this->payment::where(['id' => $request['payment_id']])->first();
            if (isset($payment_data) && function_exists($payment_data->failure_hook)) {
                call_user_func($payment_data->failure_hook, $payment_data);
            }
            return $this->payment_response($payment_data,'fail');
        }
    }

}

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