invoiceninja/app/PaymentDrivers/Braintree/CreditCard.php

<?php

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\PaymentDrivers\Braintree;


use App\Exceptions\PaymentFailed;
use App\Http\Requests\ClientPortal\Payments\PaymentResponseRequest;
use App\Http\Requests\Request;
use App\Jobs\Mail\PaymentFailureMailer;
use App\Jobs\Util\SystemLogger;
use App\Models\GatewayType;
use App\Models\Payment;
use App\Models\PaymentType;
use App\Models\SystemLog;
use App\PaymentDrivers\BraintreePaymentDriver;

class CreditCard
{
    /**
     * @var BraintreePaymentDriver
     */
    private $braintree;

    public function __construct(BraintreePaymentDriver $braintree)
    {
        $this->braintree = $braintree;

        $this->braintree->init();
    }

    public function authorizeView(array $data)
    {
        $data['gateway'] = $this->braintree;

        return render('gateways.braintree.credit_card.authorize', $data);
    }

    public function authorizeResponse($data): \Illuminate\Http\RedirectResponse
    {
        return back();
    }

    /**
     * Credit card payment page.
     *
     * @param array $data
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function paymentView(array $data)
    {
        $data['gateway'] = $this->braintree;
        $data['client_token'] = $this->braintree->gateway->clientToken()->generate();

        if ($this->braintree->company_gateway->getConfigField('merchantAccountId')) {
            /** https://developer.paypal.com/braintree/docs/reference/request/client-token/generate#merchant_account_id */
            $data['client_token'] = $this->braintree->gateway->clientToken()->generate([
                'merchantAccountId' => $this->braintree->company_gateway->getConfigField('merchantAccountId')
            ]); 
        }

        return render('gateways.braintree.credit_card.pay', $data);
    }

    /**
     * Process the credit card payments.
     *
     * @param PaymentResponseRequest $request
     * @return \Illuminate\Http\RedirectResponse|void
     * @throws PaymentFailed
     */
    public function paymentResponse(PaymentResponseRequest $request)
    {
        $state = [
            'server_response' => json_decode($request->gateway_response),
            'payment_hash' => $request->payment_hash,
        ];

        $state = array_merge($state, $request->all());
        $state['store_card'] = boolval($state['store_card']);

        $this->braintree->payment_hash->data = array_merge((array)$this->braintree->payment_hash->data, $state);
        $this->braintree->payment_hash->save();

        $customer = $this->braintree->findOrCreateCustomer();

        $token = $this->getPaymentToken($request->all(), $customer->id);

        $data = [
            'amount' => $this->braintree->payment_hash->data->amount_with_fee,
            'paymentMethodToken' => $token,
            'deviceData' => $state['client-data'],
            'options' => [
                'submitForSettlement' => true
            ],
        ];

        if ($this->braintree->company_gateway->getConfigField('merchantAccountId')) {
            /** https://developer.paypal.com/braintree/docs/reference/request/transaction/sale/php#full-example */
            $data['merchantAccountId'] = $this->braintree->company_gateway->getConfigField('merchantAccountId');
        }

        try {
            $result = $this->braintree->gateway->transaction()->sale($data);
        } catch(\Exception $e) {
            if ($e instanceof \Braintree\Exception\Authorization) {
                throw new PaymentFailed(ctrans('texts.generic_gateway_error'), $e->getCode());
            }

            throw new PaymentFailed($e->getMessage(), $e->getCode());
        }
        

        if ($result->success) {
            $this->braintree->logSuccessfulGatewayResponse(['response' => $request->server_response, 'data' => $this->braintree->payment_hash], SystemLog::TYPE_BRAINTREE);

            if ($request->store_card && is_null($request->token)) {
                $payment_method = $this->braintree->gateway->paymentMethod()->find($token);

                $this->storePaymentMethod($payment_method, $customer->id);
            }

            return $this->processSuccessfulPayment($result);
        }

        return $this->processUnsuccessfulPayment($result);
    }

    private function getPaymentToken(array $data, $customerId): ?string
    {
        if (array_key_exists('token', $data) && !is_null($data['token'])) {
            return $data['token'];
        }

        $gateway_response = \json_decode($data['gateway_response']);

        $data = [
            'customerId' => $customerId,
            'paymentMethodNonce' => $gateway_response->nonce,
            'options' => [
                'verifyCard' => true,
            ],
        ];

        if ($this->braintree->company_gateway->getConfigField('merchantAccountId')) {
            /** https://developer.paypal.com/braintree/docs/reference/request/transaction/sale/php#full-example */
            $data['verificationMerchantAccountId'] = $this->braintree->company_gateway->getConfigField('merchantAccountId');
        }
        
        $response = $this->braintree->gateway->paymentMethod()->create($data);

        if ($response->success) {
            return $response->paymentMethod->token;
        }

        throw new PaymentFailed($response->message);
    }

    private function processSuccessfulPayment($response)
    {
        $state = $this->braintree->payment_hash->data;

        $data = [
            'payment_type' => PaymentType::parseCardType(strtolower($response->transaction->creditCard['cardType'])),
            'amount' => $this->braintree->payment_hash->data->amount_with_fee,
            'transaction_reference' => $response->transaction->id,
            'gateway_type_id' => GatewayType::CREDIT_CARD,
        ];

        $payment = $this->braintree->createPayment($data, Payment::STATUS_COMPLETED);

        SystemLogger::dispatch(
            ['response' => $response, 'data' => $data],
            SystemLog::CATEGORY_GATEWAY_RESPONSE,
            SystemLog::EVENT_GATEWAY_SUCCESS,
            SystemLog::TYPE_BRAINTREE,
            $this->braintree->client,
            $this->braintree->client->company,
        );

        return redirect()->route('client.payments.show', ['payment' => $this->braintree->encodePrimaryKey($payment->id)]);
    }

    /**
     * @throws PaymentFailed
     */
    private function processUnsuccessfulPayment($response)
    {
        PaymentFailureMailer::dispatch($this->braintree->client, $response->transaction->additionalProcessorResponse, $this->braintree->client->company, $this->braintree->payment_hash->data->amount_with_fee);

        PaymentFailureMailer::dispatch(
            $this->braintree->client,
            $response,
            $this->braintree->client->company,
            $this->braintree->payment_hash->data->amount_with_fee,
        );

        $message = [
            'server_response' => $response,
            'data' => $this->braintree->payment_hash->data,
        ];

        SystemLogger::dispatch(
            $message,
            SystemLog::CATEGORY_GATEWAY_RESPONSE,
            SystemLog::EVENT_GATEWAY_FAILURE,
            SystemLog::TYPE_BRAINTREE,
            $this->braintree->client,
            $this->braintree->client->company,
        );

        throw new PaymentFailed($response->transaction->additionalProcessorResponse, $response->transaction->processorResponseCode);
    }

    private function storePaymentMethod($method, $customer_reference)
    {
        try {
            $payment_meta = new \stdClass;
            $payment_meta->exp_month = (string)$method->expirationMonth;
            $payment_meta->exp_year = (string)$method->expirationYear;
            $payment_meta->brand = (string)$method->cardType;
            $payment_meta->last4 = (string)$method->last4;
            $payment_meta->type = GatewayType::CREDIT_CARD;

            $data = [
                'payment_meta' => $payment_meta,
                'token' => $method->token,
                'payment_method_id' => $this->braintree->payment_hash->data->payment_method_id,
            ];

            $this->braintree->storeGatewayToken($data, ['gateway_customer_reference' => $customer_reference]);
        } catch (\Exception $e) {
            return $this->braintree->processInternallyFailedPayment($this->braintree, $e);
        }
    }
}