ctrlpanel/app/Http/Controllers/Admin/PaymentController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Events\UserUpdateCreditsEvent;
use App\Http\Controllers\Controller;
use App\Models\InvoiceSettings;
use App\Models\PartnerDiscount;
use App\Models\Payment;
use App\Models\ShopProduct;
use App\Models\Settings;
use App\Models\User;
use App\Notifications\InvoiceNotification;
use App\Notifications\ConfirmPaymentNotification;
use Exception;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use LaravelDaily\Invoices\Classes\Buyer;
use LaravelDaily\Invoices\Classes\InvoiceItem;
use LaravelDaily\Invoices\Classes\Party;
use LaravelDaily\Invoices\Invoice;
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\ProductionEnvironment;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
use PayPalHttp\HttpException;
use Stripe\Stripe;
use Symfony\Component\Intl\Currencies;
use App\Helpers\ExtensionHelper;



class PaymentController extends Controller
{

    /**
     * @return Application|Factory|View
     */
    public function index()
    {
        return view('admin.payments.index')->with([
            'payments' => Payment::paginate(15)
        ]);
    }

    /**
     * @param Request $request
     * @param ShopProduct $shopProduct
     * @return Application|Factory|View
     */
    public function checkOut(Request $request, ShopProduct $shopProduct)
    {
        // get all payment gateway extensions
        $extensions = glob(app_path() . '/Extensions/PaymentGateways/*', GLOB_ONLYDIR);

        // build a paymentgateways array that contains the routes for the payment gateways and the image path for the payment gateway which lays in public/images/Extensions/PaymentGateways with the extensionname in lowercase
        $paymentGateways = [];
        foreach ($extensions as $extension) {
            $extensionName = basename($extension);
            $config = ExtensionHelper::getExtensionConfig($extensionName, 'PaymentGateways');
            if ($config) {
                $payment = new \stdClass();
                $payment->name = $config['name'];
                $payment->image = asset('images/Extensions/PaymentGateways/' . strtolower($extensionName) . '_logo.png');
                $paymentGateways[] = $payment;
            }
        }
            
    
        return view('store.checkout')->with([
            'product'           => $shopProduct,
            'discountpercent'   => PartnerDiscount::getDiscount(),
            'discountvalue'     => PartnerDiscount::getDiscount() * $shopProduct->price/100,
            'discountedprice'   => $shopProduct->getPriceAfterDiscount(),
            'taxvalue'          => $shopProduct->getTaxValue(),
            'taxpercent'        => $shopProduct->getTaxPercent(),
            'total'             => $shopProduct->getTotalPrice(),
            'paymentGateways'   => $paymentGateways,

        ]);
    }

    public function pay(Request $request)
    {
        $product = ShopProduct::find($request->product_id);
        $paymentGateway = $request->payment_method;

        return redirect()->route('payment.' . $paymentGateway . 'Pay', ['shopProduct' => $product->id]);
    }

    

    /**
     * @param Request $request
     */
    public function Cancel(Request $request)
    {
        return redirect()->route('store.index')->with('success', 'Payment was Canceled');
    }

    /**
     * @param Request $request
     * @param ShopProduct $shopProduct
     * @return RedirectResponse
     */
    public function StripePay(Request $request, ShopProduct $shopProduct)
    {
        $stripeClient = $this->getStripeClient();


        $request = $stripeClient->checkout->sessions->create([
            'line_items' => [
                [
                    'price_data' => [
                        'currency' => $shopProduct->currency_code,
                        'product_data' => [
                            'name' => $shopProduct->display . (PartnerDiscount::getDiscount()?(" (" . __('Discount') . " " . PartnerDiscount::getDiscount() . '%)'):""),
                            'description' => $shopProduct->description,
                        ],
                        'unit_amount_decimal' => round($shopProduct->getPriceAfterDiscount() * 100, 2),
                    ],
                    'quantity' => 1,
                ],
                [
                    'price_data' => [
                        'currency' => $shopProduct->currency_code,
                        'product_data' => [
                            'name' => __('Tax'),
                            'description' => $shopProduct->getTaxPercent() . "%",
                        ],
                        'unit_amount_decimal' => round($shopProduct->getTaxValue(), 2) * 100,
                    ],
                    'quantity' => 1,
                ]
            ],

            'mode' => 'payment',
            "payment_method_types" => str_getcsv(config("SETTINGS::PAYMENTS:STRIPE:METHODS")),
            'success_url' => route('payment.StripeSuccess',  ['product' => $shopProduct->id]) . '&session_id={CHECKOUT_SESSION_ID}',
            'cancel_url' => route('payment.Cancel'),
        ]);



        return redirect($request->url, 303);
    }

    /**
     * @param Request $request
     */
    public function StripeSuccess(Request $request)
    {
        /** @var ShopProduct $shopProduct */
        $shopProduct = ShopProduct::findOrFail($request->input('product'));

        /** @var User $user */
        $user = Auth::user();

        $stripeClient = $this->getStripeClient();

        try {
            //get stripe data
            $paymentSession = $stripeClient->checkout->sessions->retrieve($request->input('session_id'));
            $paymentIntent = $stripeClient->paymentIntents->retrieve($paymentSession->payment_intent);

            //get DB entry of this payment ID if existing
            $paymentDbEntry = Payment::where('payment_id', $paymentSession->payment_intent)->count();

            // check if payment is 100% completed and payment does not exist in db already
            if ($paymentSession->status == "complete" && $paymentIntent->status == "succeeded" && $paymentDbEntry == 0) {



                //update server limit
                if (config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE') !== 0) {
                    if ($user->server_limit < config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE')) {
                        $user->update(['server_limit' => config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE')]);
                    }
                }

                //update User with bought item
                if ($shopProduct->type=="Credits") {
                    $user->increment('credits', $shopProduct->quantity);
                }elseif ($shopProduct->type=="Server slots"){
                    $user->increment('server_limit', $shopProduct->quantity);
                }

                //update role give Referral-reward
                if ($user->role == 'member') {
                    $user->update(['role' => 'client']);

                    if((config("SETTINGS::REFERRAL:MODE") == "commission"  || config("SETTINGS::REFERRAL:MODE") == "both") && $shopProduct->type=="Credits"){
                        if($ref_user = DB::table("user_referrals")->where('registered_user_id', '=', $user->id)->first()){
                            $ref_user = User::findOrFail($ref_user->referral_id);
                            $increment = number_format($shopProduct->quantity/100*config("SETTINGS::REFERRAL:PERCENTAGE"),0,"","");
                            $ref_user->increment('credits', $increment);

                            //LOGS REFERRALS IN THE ACTIVITY LOG
                            activity()
                                ->performedOn($user)
                                ->causedBy($ref_user)
                                ->log('gained '. $increment.' '.config("SETTINGS::SYSTEM:CREDITS_DISPLAY_NAME").' for commission-referral of '.$user->name.' (ID:'.$user->id.')');
                        }

                    }

                }

                //store paid payment
                $payment = Payment::create([
                    'user_id' => $user->id,
                    'payment_id' => $paymentSession->payment_intent,
                    'payment_method' => 'stripe',
                    'type' => $shopProduct->type,
                    'status' => 'paid',
                    'amount' => $shopProduct->quantity,
                    'price' => $shopProduct->price - ($shopProduct->price*PartnerDiscount::getDiscount()/100),
                    'tax_value' => $shopProduct->getTaxValue(),
                    'total_price' => $shopProduct->getTotalPrice(),
                    'tax_percent' => $shopProduct->getTaxPercent(),
                    'currency_code' => $shopProduct->currency_code,
                    'shop_item_product_id' => $shopProduct->id,
                ]);

                //payment notification
                $user->notify(new ConfirmPaymentNotification($payment));

                event(new UserUpdateCreditsEvent($user));

                //only create invoice if SETTINGS::INVOICE:ENABLED is true
                if (config('SETTINGS::INVOICE:ENABLED') == 'true') {
                    $this->createInvoice($user, $payment, 'paid', $shopProduct->currency_code);
                }

                //redirect back to home
                return redirect()->route('home')->with('success', __('Your credit balance has been increased!'));
            } else {
                if ($paymentIntent->status == "processing") {

                    //store processing payment
                    $payment = Payment::create([
                        'user_id' => $user->id,
                        'payment_id' => $paymentSession->payment_intent,
                        'payment_method' => 'stripe',
                        'type' => $shopProduct->type,
                        'status' => 'processing',
                        'amount' => $shopProduct->quantity,
                        'price' => $shopProduct->price,
                        'tax_value' => $shopProduct->getTaxValue(),
                        'total_price' => $shopProduct->getTotalPrice(),
                        'tax_percent' => $shopProduct->getTaxPercent(),
                        'currency_code' => $shopProduct->currency_code,
                        'shop_item_product_id' => $shopProduct->id,
                    ]);

                    //only create invoice if SETTINGS::INVOICE:ENABLED is true
                    if (config('SETTINGS::INVOICE:ENABLED') == 'true') {
                        $this->createInvoice($user, $payment, 'paid', $shopProduct->currency_code);
                    }

                    //redirect back to home
                    return redirect()->route('home')->with('success', __('Your payment is being processed!'));
                }
                if ($paymentDbEntry == 0 && $paymentIntent->status != "processing") {
                    $stripeClient->paymentIntents->cancel($paymentIntent->id);

                    //redirect back to home
                    return redirect()->route('home')->with('success', __('Your payment has been canceled!'));
                } else {
                    abort(402);
                }
            }
        } catch (HttpException $ex) {
            if (env('APP_ENV') == 'local') {
                echo $ex->statusCode;
                dd($ex->getMessage());
            } else {
                abort(422);
            }
        }
    }

    /**
     * @param Request $request
     */
    protected function handleStripePaymentSuccessHook($paymentIntent)
    {
        try {
            // Get payment db entry
            $payment = Payment::where('payment_id', $paymentIntent->id)->first();
            $user = User::where('id', $payment->user_id)->first();

            if ($paymentIntent->status == 'succeeded' && $payment->status == 'processing') {


                //update server limit
                if (config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE') !== 0) {
                    if ($user->server_limit < config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE')) {
                        $user->update(['server_limit' => config('SETTINGS::USER:SERVER_LIMIT_AFTER_IRL_PURCHASE')]);
                    }
                }
                //update User with bought item
                if ($shopProduct->type=="Credits") {
                    $user->increment('credits', $shopProduct->quantity);
                }elseif ($shopProduct->type=="Server slots"){
                    $user->increment('server_limit', $shopProduct->quantity);
                }

                //update role give Referral-reward
                if ($user->role == 'member') {
                    $user->update(['role' => 'client']);

                    if((config("SETTINGS::REFERRAL:MODE") == "commission"  || config("SETTINGS::REFERRAL:MODE") == "both")&& $shopProduct->type=="Credits"){
                        if($ref_user = DB::table("user_referrals")->where('registered_user_id', '=', $user->id)->first()){
                            $ref_user = User::findOrFail($ref_user->referral_id);
                            $increment = number_format($shopProduct->quantity/100*config("SETTINGS::REFERRAL:PERCENTAGE"),0,"","");
                            $ref_user->increment('credits', $increment);

                            //LOGS REFERRALS IN THE ACTIVITY LOG
                            activity()
                                ->performedOn($user)
                                ->causedBy($ref_user)
                                ->log('gained '. $increment.' '.config("SETTINGS::SYSTEM:CREDITS_DISPLAY_NAME").' for commission-referral of '.$user->name.' (ID:'.$user->id.')');
                        }

                    }

                }

                //update payment db entry status
                $payment->update(['status' => 'paid']);

                //payment notification
                $user->notify(new ConfirmPaymentNotification($payment));
                event(new UserUpdateCreditsEvent($user));

                //only create invoice if SETTINGS::INVOICE:ENABLED is true
                if (config('SETTINGS::INVOICE:ENABLED') == 'true') {
                    $this->createInvoice($user, $payment, 'paid', strtoupper($paymentIntent->currency));
                }
            }
        } catch (HttpException $ex) {
            abort(422);
        }
    }

    /**
     * @param Request $request
     */
    public function StripeWebhooks(Request $request)
    {
        \Stripe\Stripe::setApiKey($this->getStripeSecret());

        try {
            $payload = @file_get_contents('php://input');
            $sig_header = $request->header('Stripe-Signature');
            $event = null;
            $event = \Stripe\Webhook::constructEvent(
                $payload,
                $sig_header,
                $this->getStripeEndpointSecret()
            );
        } catch (\UnexpectedValueException $e) {
            // Invalid payload

            abort(400);
        } catch (\Stripe\Exception\SignatureVerificationException $e) {
            // Invalid signature

            abort(400);
        }

        // Handle the event
        switch ($event->type) {
            case 'payment_intent.succeeded':
                $paymentIntent = $event->data->object; // contains a \Stripe\PaymentIntent
                $this->handleStripePaymentSuccessHook($paymentIntent);
                break;
            default:
                echo 'Received unknown event type ' . $event->type;
        }
    }

    /**
     * @return \Stripe\StripeClient
     */
    protected function getStripeClient()
    {
        return new \Stripe\StripeClient($this->getStripeSecret());
    }

    /**
     * @return string
     */
    protected function getStripeSecret()
    {
        return env('APP_ENV') == 'local'
            ?  config("SETTINGS::PAYMENTS:STRIPE:TEST_SECRET")
            :  config("SETTINGS::PAYMENTS:STRIPE:SECRET");
    }

    /**
     * @return string
     */
    protected function getStripeEndpointSecret()
    {
        return env('APP_ENV') == 'local'
            ?  config("SETTINGS::PAYMENTS:STRIPE:ENDPOINT_TEST_SECRET")
            :  config("SETTINGS::PAYMENTS:STRIPE:ENDPOINT_SECRET");
    }


    protected function createInvoice($user, $payment, $paymentStatus, $currencyCode)
    {
        $shopProduct = ShopProduct::where('id', $payment->shop_item_product_id)->first();
        //create invoice
        $lastInvoiceID = \App\Models\Invoice::where("invoice_name", "like", "%" . now()->format('mY') . "%")->count("id");
        $newInvoiceID = $lastInvoiceID + 1;
        $logoPath = storage_path('app/public/logo.png');

        $seller = new Party([
            'name' => config("SETTINGS::INVOICE:COMPANY_NAME"),
            'phone' => config("SETTINGS::INVOICE:COMPANY_PHONE"),
            'address' => config("SETTINGS::INVOICE:COMPANY_ADDRESS"),
            'vat' => config("SETTINGS::INVOICE:COMPANY_VAT"),
            'custom_fields' => [
                'E-Mail' => config("SETTINGS::INVOICE:COMPANY_MAIL"),
                "Web" => config("SETTINGS::INVOICE:COMPANY_WEBSITE")
            ],
        ]);


        $customer = new Buyer([
            'name' => $user->name,
            'custom_fields' => [
                'E-Mail' => $user->email,
                'Client ID' => $user->id,
            ],
        ]);
        $item = (new InvoiceItem())
            ->title($shopProduct->description)
            ->pricePerUnit($shopProduct->price);

        $notes = [
            __("Payment method") . ": " . $payment->payment_method,
        ];
        $notes = implode("<br>", $notes);


        $invoice = Invoice::make()
            ->template('controlpanel')
            ->name(__("Invoice"))
            ->buyer($customer)
            ->seller($seller)
            ->discountByPercent(PartnerDiscount::getDiscount())
            ->taxRate(floatval($shopProduct->getTaxPercent()))
            ->shipping(0)
            ->addItem($item)
            ->status(__($paymentStatus))
            ->series(now()->format('mY'))
            ->delimiter("-")
            ->sequence($newInvoiceID)
            ->serialNumberFormat(config("SETTINGS::INVOICE:PREFIX") . '{DELIMITER}{SERIES}{SEQUENCE}')
            ->currencyCode($currencyCode)
            ->currencySymbol(Currencies::getSymbol($currencyCode))
            ->notes($notes);

        if (file_exists($logoPath)) {
            $invoice->logo($logoPath);
        }

        //Save the invoice in "storage\app\invoice\USER_ID\YEAR"
        $invoice->filename = $invoice->getSerialNumber() . '.pdf';
        $invoice->render();
        Storage::disk("local")->put("invoice/" . $user->id . "/" . now()->format('Y') . "/" . $invoice->filename, $invoice->output);


        \App\Models\Invoice::create([
            'invoice_user' => $user->id,
            'invoice_name' => $invoice->getSerialNumber(),
            'payment_id' => $payment->payment_id,
        ]);

        //Send Invoice per Mail
        $user->notify(new InvoiceNotification($invoice, $user, $payment));
    }

    /**
     * @return JsonResponse|mixed
     * @throws Exception
     */
    public function dataTable()
    {
        $query = Payment::with('user');

        return datatables($query)
            ->editColumn('user', function (Payment $payment) {
                return 
                ($payment->user)?'<a href="'.route('admin.users.show', $payment->user->id).'">'.$payment->user->name.'</a>':__('Unknown user');
            })
            ->editColumn('price', function (Payment $payment) {
                return $payment->formatToCurrency($payment->price);
            })
            ->editColumn('tax_value', function (Payment $payment) {
                return $payment->formatToCurrency($payment->tax_value);
            })
            ->editColumn('tax_percent', function (Payment $payment) {
                return $payment->tax_percent . ' %';
            })
            ->editColumn('total_price', function (Payment $payment) {
                return $payment->formatToCurrency($payment->total_price);
            })

            ->editColumn('created_at', function (Payment $payment) {
                return $payment->created_at ? $payment->created_at->diffForHumans() : '';
            })
            ->addColumn('actions', function (Payment $payment) {
                return '<a data-content="' . __("Download") . '" data-toggle="popover" data-trigger="hover" data-placement="top"  href="' . route('admin.invoices.downloadSingleInvoice', "id=" . $payment->payment_id) . '" class="btn btn-sm text-white btn-info mr-1"><i class="fas fa-file-download"></i></a>';
            })
            ->rawColumns(['actions', 'user'])
            ->make(true);
    }
}