invoiceninja/app/PaymentDrivers/BasePaymentDriver.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\PaymentDrivers;

use App\Factory\PaymentFactory;
use App\Models\Client;
use App\Models\ClientContact;
use App\Models\CompanyGateway;
use App\Models\GatewayType;
use App\Models\Invoice;
use App\Models\Payment;
use App\Utils\Traits\SystemLogTrait;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Auth;
use Omnipay\Omnipay;

/**
 * Class BasePaymentDriver
 * @package App\PaymentDrivers
 *
 *  Minimum dataset required for payment gateways
 *
 *  $data = [
        'amount' => $invoice->getRequestedAmount(),
        'currency' => $invoice->getCurrencyCode(),
        'returnUrl' => $completeUrl,
        'cancelUrl' => $this->invitation->getLink(),
        'description' => trans('texts.' . $invoice->getEntityType()) . " {$invoice->number}",
        'transactionId' => $invoice->number,
        'transactionType' => 'Purchase',
        'clientIp' => Request::getClientIp(),
    ];

 */
class BasePaymentDriver
{
    use SystemLogTrait;
    
    /* The company gateway instance*/
    protected $company_gateway;

    /* The Omnipay payment driver instance*/
    protected $gateway;

    /* The Invitation */
    protected $invitation;

    /* Gateway capabilities */
    protected $refundable = false;
    
    /* Token billing */
    protected $token_billing = false;

    /* Authorise payment methods */
    protected $can_authorise_credit_card = false;


    public function __construct(CompanyGateway $company_gateway, Client $client, $invitation = false)
    {
        $this->company_gateway = $company_gateway;

        $this->invitation = $invitation;

        $this->client = $client;
    }

    /**
     * Returns the Omnipay driver
     * @return object Omnipay initialized object
     */
    protected function gateway()
    {
        $this->gateway = Omnipay::create($this->company_gateway->gateway->provider);
        $this->gateway->initialize((array) $this->company_gateway->getConfig());

        return $this;
    }

    /**
     * Return the configuration fields for the
     * Gatway
     * @return array The configuration fields
     */
    public function getFields()
    {
        return $this->gateway->getDefaultParameters();
    }

    /**
     * Returns the default gateway type
     */
    public function gatewayTypes()
    {
        return [
            GatewayType::CREDIT_CARD,
        ];
    }

    public function getCompanyGatewayId() :int
    {
        return $this->company_gateway->id;
    }
    /**
     * Returns whether refunds are possible with the gateway
     * @return boolean TRUE|FALSE
     */
    public function getRefundable() :bool
    {
        return $this->refundable;
    }

    /**
     * Returns whether token billing is possible with the gateway
     * @return boolean TRUE|FALSE
     */
    public function getTokenBilling() :bool
    {
        return $this->token_billing;
    }

    /**
     * Returns whether gateway can
     * authorise and credit card.
     * @return [type] [description]
     */
    public function canAuthoriseCreditCard() :bool
    {
        return $this->can_authorise_credit_card;
    }

    /**
     * Refunds a given payment
     * @return void
     */
    public function refundPayment($payment, $amount = 0)
    {
        if ($amount) {
            $amount = min($amount, $payment->getCompletedAmount());
        } else {
            $amount = $payment->getCompletedAmount();
        }

        if ($payment->is_deleted) {
            return false;
        }

        if (! $amount) {
            return false;
        }

        if ($payment->type_id == Payment::TYPE_CREDIT_CARD) {
            return $payment->recordRefund($amount);
        }

        $details = $this->refundDetails($payment, $amount);
        $response = $this->gateway()->refund($details)->send();

        if ($response->isSuccessful()) {
            return $payment->recordRefund($amount);
        } elseif ($this->attemptVoidPayment($response, $payment, $amount)) {
            $details = ['transactionReference' => $payment->transaction_reference];
            $response = $this->gateway->void($details)->send();
            if ($response->isSuccessful()) {
                return $payment->markVoided();
            }
        }

        return false;
    }

    protected function attemptVoidPayment($response, $payment, $amount)
    {
        // Partial refund not allowed for unsettled transactions
        return $amount == $payment->amount;
    }

    public function authorizeCreditCardView(array $data)
    {
    }

    public function authorizeCreditCardResponse($request)
    {
    }

    public function processPaymentView(array $data)
    {
    }
    
    public function processPaymentResponse($request)
    {
    }

    /**
     * Return the contact if possible
     *
     * @return ClientContact The ClientContact object
     */
    public function getContact()
    {
        if ($this->invitation) {
            return ClientContact::find($this->invitation->client_contact_id);
        } elseif (auth()->guard('contact')->user()) {
            return auth()->user();
        } else {
            return false;
        }
    }

    /************************************* Omnipay ******************************************
        authorize($options) - authorize an amount on the customer's card
        completeAuthorize($options) - handle return from off-site gateways after authorization
        capture($options) - capture an amount you have previously authorized
        purchase($options) - authorize and immediately capture an amount on the customer's card
        completePurchase($options) - handle return from off-site gateways after purchase
        refund($options) - refund an already processed transaction
        void($options) - generally can only be called up to 24 hours after submitting a transaction
        acceptNotification() - convert an incoming request from an off-site gateway to a generic notification object for further processing
    */

    protected function paymentDetails($input) : array
    {
        $data = [
            'currency' => $this->client->getCurrencyCode(),
            'transactionType' => 'Purchase',
            'clientIp' => request()->getClientIp(),
        ];


        return $data;
    }

    public function purchase($data, $items)
    {
        $this->gateway();

        $response =    	$this->gateway
                         ->purchase($data)
                         ->setItems($items)
                         ->send();

        return $response;
        /*
        $this->purchaseResponse = (array)$response->getData();*/
    }
    
    public function completePurchase($data)
    {
        $this->gateway();

        return $this->gateway
                    ->completePurchase($data)
                    ->send();
    }

    public function createPayment($data) : Payment
    {
        $payment = PaymentFactory::create($this->client->company->id, $this->client->user->id);
        $payment->client_id = $this->client->id;
        $payment->company_gateway_id = $this->company_gateway->id;
        $payment->status_id = Payment::STATUS_COMPLETED;
        $payment->date = Carbon::now();
        
        return $payment;
    }

     
    public function attachInvoices(Payment $payment, $hashed_ids) : Payment
    {
        $invoices = Invoice::whereIn('id', $this->transformKeys(explode(",", $hashed_ids)))
                        ->whereClientId($this->client->id)
                        ->get();

        $payment->invoices()->sync($invoices);
        $payment->save();

        return $payment;
    }


}