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: /home/qbizpnmr/arif.umairtax.com/app/PaymentDrivers/

files >> /home/qbizpnmr/arif.umairtax.com/app/PaymentDrivers/PayFastPaymentDriver.php

 <?php

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2025. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\PaymentDrivers;

use App\Models\Payment;
use App\Models\SystemLog;
use App\Models\GatewayType;
use App\Models\PaymentHash;
use Illuminate\Http\Request;
use App\Utils\Traits\MakesHash;
use App\Models\ClientGatewayToken;
use App\PaymentDrivers\PayFast\Token;
use Illuminate\Support\Facades\Cache;
use App\PaymentDrivers\PayFast\CreditCard;
use App\PaymentDrivers\PayFast\PaymentCompletedWebhook;
use App\Http\Requests\Payments\PaymentNotificationWebhookRequest;

class PayFastPaymentDriver extends BaseDriver
{
    use MakesHash;

    public $refundable = false; //does this gateway support refunds?

    public $token_billing = true; //does this gateway support token billing?

    public $can_authorise_credit_card = true; //does this gateway support authorizations?

    public $payfast; //initialized gateway

    public $payment_method; //initialized payment method

    public static $methods = [
        GatewayType::CREDIT_CARD => CreditCard::class,
    ];

    public const SYSTEM_LOG_TYPE = SystemLog::TYPE_PAYFAST;

    //developer resources
    //https://sandbox.payfast.co.za/

    public function gatewayTypes(): array
    {
        $types = [];

        // if($this->client->currency()->code == 'ZAR' || $this->client->currency()->code == 'USD')
        if ($this->client->currency()->code == 'ZAR') {
            $types[] = GatewayType::CREDIT_CARD;
        }

        return $types;
    }

    public function endpointUrl()
    {
        if ($this->company_gateway->getConfigField('testMode')) {
            return 'https://sandbox.payfast.co.za/eng/process';
        }

        return 'https://www.payfast.co.za/eng/process';
    }

    public function init()
    {
        return $this;
    }

    public function setPaymentMethod($payment_method_id)
    {
        $class = self::$methods[$payment_method_id];
        $this->payment_method = new $class($this);

        return $this;
    }

    public function authorizeView(array $data)
    {
        return $this->payment_method->authorizeView($data);
    }

    public function authorizeResponse($request)
    {
        return $this->payment_method->authorizeResponse($request);
    }

    public function processPaymentView(array $data)
    {
        return $this->payment_method->paymentView($data);  //this is your custom implementation from here
    }

    public function processPaymentResponse($request)
    {
        return $this->payment_method->paymentResponse($request); //this is your custom implementation from here
    }

    public function refund(Payment $payment, $amount, $return_client_response = false)
    {
        return false;
    }

    public function tokenBilling(ClientGatewayToken $cgt, PaymentHash $payment_hash)
    {
        return (new Token($this))->tokenBilling($cgt, $payment_hash);
    }

    public function generateTokenSignature($data)
    {
        $fields = [];

        $keys = [
            'merchant-id',
            'version',
            'timestamp',
            'amount',
            'item_name',
            'item_description',
            'itn',
            'm_payment_id',
            'cc_css',
            'split_payment',
        ];

        foreach ($keys as $key) {
            if (! empty($data[$key])) {
                $fields[$key] = $data[$key];
            }
        }

        if ($this->company_gateway->getConfigField('passphrase')) {
            $fields['passphrase'] = $this->company_gateway->getConfigField('passphrase');
        }

        return md5(http_build_query($fields));
    }

    public function generateSignature($data)
    {
        $fields = [];

        // specific order required by PayFast
        // @see https://developers.payfast.co.za/documentation/#checkout-page
        foreach (['merchant_id', 'merchant_key', 'return_url', 'cancel_url', 'notify_url', 'name_first',
            'name_last', 'email_address', 'cell_number',
            /**
             * Transaction Details
             */
            'm_payment_id', 'amount', 'item_name', 'item_description',
            /**
             * Custom return data
             */
            'custom_int1', 'custom_int2', 'custom_int3', 'custom_int4', 'custom_int5',
            'custom_str1', 'custom_str2', 'custom_str3', 'custom_str4', 'custom_str5',
            /**
             * Email confirmation
             */
            'email_confirmation', 'confirmation_address',
            /**
             * Payment Method
             */
            'payment_method',
            /**
             * Subscriptions
             */
            'subscription_type', 'billing_date', 'recurring_amount', 'frequency', 'cycles',
            /**
             * Passphrase for md5 signature generation
             */
            'passphrase', ] as $key) {
            if (! empty($data[$key])) {
                $fields[$key] = $data[$key];
            }
        }

        nlog(http_build_query($fields));

        return md5(http_build_query($fields));
    }

    public function processWebhookRequest(PaymentNotificationWebhookRequest $request, Payment $payment = null)
    {
        $data = $request->all();
        // nlog("payfast");
        // nlog($data);

        if(array_key_exists('pf_payment_id', $data) && strlen($data['pf_payment_id']) > 1) {
            PaymentCompletedWebhook::dispatch($data, $request->company_key, $this->company_gateway->id)->delay(10);
            return;
        }

        if (array_key_exists('m_payment_id', $data)) {
            $hash = Cache::get($data['m_payment_id']);

            switch ($hash) {
                case 'cc_auth':
                    $this->setPaymentMethod(GatewayType::CREDIT_CARD)
                         ->authorizeResponse($request);

                    return response()->json([], 200);


                default:

                $payment_hash = PaymentHash::where('hash', $data['m_payment_id'])->first();

                $this->setPaymentMethod(GatewayType::CREDIT_CARD)
                        ->setPaymentHash($payment_hash)
                        ->processPaymentResponse($request);

                return response()->json([], 200);

            }
        }

        return response()->json([], 200);
    }
}

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