/home/kueuepay/www/app/Http/Controllers/User/CheckoutController.php
<?php

namespace App\Http\Controllers\User;

use Exception;
use Carbon\Carbon;
use App\Models\Card;
use App\Models\User;
use GuzzleHttp\Psr7\Uri;
use App\Models\Transaction;
use Jenssegers\Agent\Agent;
use App\Constants\CardConst;
use Illuminate\Http\Request;
use App\Models\TemporaryData;
use App\Constants\GlobalConst;
use App\Http\Helpers\Response;
use App\Models\MerchantDetails;
use App\Models\UserNotification;
use Illuminate\Support\Facades\DB;
use App\Models\Admin\BasicSettings;
use App\Http\Controllers\Controller;
use App\Constants\PaymentGatewayConst;
use App\Models\UserWallet;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Notification;
use App\Notifications\User\CardPaymentEmailNotification;

class CheckoutController extends Controller
{
    public $charge_payable = true;
    /**
     * Method for checkout index page
     * @param $order_id
     * @param Illuminate\Http\Request $request 
     */
    public function checkout(Request $request,$order_id){
        $page_title         = "Order Checkout";
        $order              = TemporaryData::where('identifier',$order_id)->first();
        $user               = User::with(['merchant_api_keys','merchant_details'])
                                ->where('id',auth()->user()->id)
                                ->first();
        if($order->data->merchant_api_key->env == GlobalConst::ENV_SANDBOX){
            $card_payments   = Card::where('type',CardConst::TEST)->orderBy('id','desc')->get();
        }else{
            $card_payments   = Card::auth()->orderBy('id','desc')->get();
        }
        
        
        $user_wallet     = UserWallet::auth()->with(['currency'])->first();                
            
        
        return view('order.pages.checkout',compact(
            'page_title',
            'order',
            'user',
            'card_payments',
            'user_wallet'
        ));        
    }
    /**
     * Method for submit checkout page information.Specifically: CardPayment
     * @param $order_id
     * @param Illuminate\Http\Request $request
     */
    public function submit(Request $request,$order_id){
        $basic_settings     = BasicSettings::first();
        
        $user   = User::with(['merchant_api_keys','merchant_details'])
                    ->where('id',auth()->user()->id)->first();
        
        if($user->kyc_verified != GlobalConst::VERIFIED) return back()->with(['error' => ['Sorry! You are not KYC verified user. Please verify your KYC.']]);
        $validator  = Validator::make($request->all(),[
            'card_payment'    => 'required',
            'type'            => 'required',
        ]);
        if($validator->fails()) return back()->withErrors($validator)->withInput($request->all());

        $validated      = $validator->validate();
        $order          = TemporaryData::where('identifier',$order_id)->first();
        if(!$order) return back()->with(['error' => ['Data not found!']]);
        if (Carbon::parse($order->data->expiration) < Carbon::now()) {
            $order->delete();
            return redirect()->away($order->data->cancel_url)->with(['error'=> ['Sorry! Link is expired.']]);
        }
        if(!$order) return back()->with(['error' => ['Order not found!']]);
        
        if($validated['type'] == GlobalConst::WALLET){
            $user_wallet     = UserWallet::auth()->where('id',$validated['card_payment'])->first();
            if(!$user_wallet) return back()->with(['error' => ['Wallet not found!']]);
            if($user_wallet->balance < $order->data->total_payable) return back()->with(['error' => ['Insufficient wallet balance!']]);
            $status         = PaymentGatewayConst::STATUSSUCCESS;
            $type           = GlobalConst::WALLET;
            $card_payment   = null;
            $charges        = null;
            $wallet_id      = $user_wallet->id;

            $receiver_info  = MerchantDetails::where('merchant_id',$order->data->merchant_account->merchant_id)->first();
            $merchant_wallet = UserWallet::where('user_id',$receiver_info->user_id)->first();
            $merchant       = User::where('id',$receiver_info->user_id)->first();
            $merchant_wallet_id = $merchant_wallet->id;
            
            try{
                $attribute  = PaymentGatewayConst::SEND;
                $this->transactionInformation($user,$card_payment,$order,$status,$basic_settings,$charges,$wallet_id,$type,$attribute,$merchant);

                $this->transactionReceiveInformation($merchant,$card_payment,$order,$status,$basic_settings,$charges,$merchant_wallet_id,$type,$attribute  = PaymentGatewayConst::RECEIVED,$sender_info = $user);
    
                $user_wallet->update([
                    'balance'   => $user_wallet->balance - $order->data->total_payable
                ]);

                $merchant_wallet->update([
                    'balance'   => $merchant_wallet->balance + $order->data->amount
                ]);

            }catch(Exception $e){
                return back()->with(['error' => ['Something went wrong!']]);
            }
            $success_url    = $order->data->success_url;
            
            return redirect()->away($success_url)->with(['success' => ['Payment Successfully Done.']]);
            
        }else{
            $card_payment   = Card::where('id',$validated['card_payment'])->first();
            if(!$card_payment) return back()->with(['error'=> ['Card Payment not found!']]);
            
            $merchant_stripe_secret = $order->data->merchant_api_key->stripe_secret;
            $receiver_info  = MerchantDetails::where('merchant_id',$order->data->merchant_account->merchant_id)->first();
            $merchant       = User::where('id',$receiver_info->user_id)->first();
            $card_number    = decrypt($card_payment->card_number);
            $expiry_date    = decrypt($card_payment->expiry_date);
            $expiry_month   = trim(explode("/",$expiry_date)[0]);
            $expiry_year    = trim(explode("/",$expiry_date)[1]);
            $card_cvc       = decrypt($card_payment->card_cvc);
            if($card_payment->type == card_payment_const()::TEST){
                $status     = PaymentGatewayConst::STATUSTEST;
            }else{
                $status     = PaymentGatewayConst::STATUSSUCCESS;
            }
            $trx_id         = generateTrxString("transactions","trx_id","CP",8);
          
            try{
                $stripe             = new \Stripe\StripeClient($merchant_stripe_secret);
                $response           = $stripe->tokens->create([
                    'card'          => [
                        'number'    => $card_number,
                        'exp_month' => $expiry_month,
                        'exp_year'  => $expiry_year,
                        'cvc'       => $card_cvc,
                    ],
                ]);
                
                if($this->charge_payable == true){
                    
                    $charges           =  $stripe->charges->create([
                        'amount'       => $order->data->total_payable * 100,
                        'currency'     => 'usd',
                        'source'       => $response->id,
                    ]);
                    
                    if($charges->status == 'succeeded'){
                        $wallet = null;
                        $type   = "card";
                        $attribute  = PaymentGatewayConst::SEND;
                        
                        $this->transactionInformation($user,$card_payment->id,$order,$status,$basic_settings,$charges,$wallet,$type,$attribute,$merchant);
                    }else{
                        return back()->with(['error' => ['Something went wrong! Please try again.']]);
                    }
                }else{
                    $wallet     = null;
                    $type       = "card";
                    $attribute  = PaymentGatewayConst::SEND;
                    $this->transactionInformation($user,$card_payment->id,$order,$status,$basic_settings,$charges=null,$wallet,$type,$attribute,$merchant);
                }
            }catch (Exception $e) {
               return back()->with(['error' => [$e->getMessage()]]);
            }
            $transaction_data   = Transaction::where('trx_id',$trx_id)->first();
            if($transaction_data == null){
                $wallet = null;
                $type   = "card";
                $attribute  = PaymentGatewayConst::SEND;
                $this->transactionInformation($user,$card_payment->id,$order,$status,$basic_settings,$charges,$wallet,$type,$attribute,$merchant);
            }
            $success_url    = $order->data->success_url;
            if(filter_var($success_url,FILTER_VALIDATE_URL)){
                $url        = new Uri($success_url);
                if($this->charge_payable == true){
                    $token  = $charges->id;
                }else{
                    $token  = $response->id;
                }
                $new_url                = $url->withQuery(http_build_query([
                    'token'             => $token,
                    'transaction_id'    => $trx_id
                ]));
                return redirect()->away($new_url)->with(['success' => ['Payment Successfully Done.']]);
            }else {
                return redirect()->away($order->data->cancel_url)->with(['error'    => ['Success Url Not found.']]);
            }
        }
    }
    // save the transaction information
    function transactionInformation($user,$card_payment,$order,$status,$basic_settings,$charges,$wallet,$type,$attribute,$merchant){
        $trx_id         = generateTrxString("transactions","trx_id","CP",8);
        $data                       = [
            'trx_id'                => $trx_id,
            'type'                  => PaymentGatewayConst::CARD_PAYMENT,
            'user_id'               => $user->id,
            'user_wallet_id'        => $wallet,
            'card_id'               => $card_payment,
            'payment_type'          => $type,
            'payable_charge'        => $this->charge_payable,
            'request_amount'        => $order->data->amount,
            'fixed_charge'          => $order->data->fixed_charge,
            'percent_charge'        => $order->data->percent_charge,
            'total_charge'          => $order->data->total_charge,
            'total_payable'         => $order->data->total_payable,
            'request_currency'      => $order->data->currency,
            'available_balance'     => null,
            'payment_currency'      => $order->data->currency,
            'remark'                => ucwords(remove_special_char("Order Placed"," ")) . " Using" . " " . $type,
            'details'               => [
                'token'             => $order->data->token,
                'order'             => $order->data,
                'payment_info'      => $charges,
                'receiver_info'     => [
                    'name'          => $merchant->fullname,
                    'email'          => $merchant->email,
                ]
                
            ],
            'attribute'             => $attribute,
            'status'                => $status,
        ];
        
        $transaction = Transaction::create($data);
        $this->transactionDevice($transaction->id);
        $this->userNotification($user->id,$transaction->id,$order->data->amount,$order->data->currency,$type);
        if($basic_settings->email_notification == true){
            try{
                Notification::route('mail',$user->email)->notify(new CardPaymentEmailNotification($transaction->id,$user));
            }catch(Exception $e){}
        }
        $order->delete();
    }
    // transaction received data
    function transactionReceiveInformation($user,$card_payment,$order,$status,$basic_settings,$charges,$wallet,$type,$attribute,$sender_info){
        $trx_id         = generateTrxString("transactions","trx_id","CP",8);
        $data                       = [
            'trx_id'                => $trx_id,
            'type'                  => PaymentGatewayConst::CARD_PAYMENT,
            'user_id'               => $user->id,
            'user_wallet_id'        => $wallet,
            'card_id'               => $card_payment,
            'payment_type'          => $type,
            'payable_charge'        => $this->charge_payable,
            'request_amount'        => $order->data->amount,
            'fixed_charge'          => $order->data->fixed_charge,
            'percent_charge'        => $order->data->percent_charge,
            'total_charge'          => $order->data->total_charge,
            'total_payable'         => $order->data->total_payable,
            'request_currency'      => $order->data->currency,
            'available_balance'     => null,
            'payment_currency'      => $order->data->currency,
            'remark'                => ucwords(remove_special_char("Order Received"," ")) . " Using" . " " . $type,
            'details'               => [
                'token'             => $order->data->token,
                'order'             => $order->data,
                'payment_info'      => $charges,
                'sender_info'       => [
                    'name'          => $sender_info->fullname,
                    'email'         => $sender_info->email
                ],
                
            ],
            'attribute'             => $attribute,
            'status'                => $status,
        ];
        
        $transaction = Transaction::create($data);
        $this->transactionDevice($transaction->id);
        $this->userNotification($user->id,$transaction->id,$order->data->amount,$order->data->currency,$type);
        if($basic_settings->email_notification == true){
            try{
                Notification::route('mail',$user->email)->notify(new CardPaymentEmailNotification($transaction->id,$user));
            }catch(Exception $e){}
        }
        $order->delete();
    }

    // save the transaction device information
    function transactionDevice($id){
        $client_ip = request()->ip() ?? false;
        $location = geoip()->getLocation($client_ip);
        $agent = new Agent();
        $mac = "";
        DB::beginTransaction();
        try{
            DB::table("transaction_devices")->insert([
                'transaction_id'=> $id,
                'ip'            => $client_ip,
                'mac'           => $mac,
                'city'          => $location['city'] ?? "",
                'country'       => $location['country'] ?? "",
                'longitude'     => $location['lon'] ?? "",
                'latitude'      => $location['lat'] ?? "",
                'timezone'      => $location['timezone'] ?? "",
                'browser'       => $agent->browser() ?? "",
                'os'            => $agent->platform() ?? "",
            ]);
            DB::commit();
        }catch(Exception $e) {
            DB::rollBack();
            throw new Exception($e->getMessage());
        }
    }
    //user notification
    public function userNotification($user_id,$id,$amount,$currency,$type){
        UserNotification::create([
            'user_id'           => $user_id,
            'transaction_id'    => $id,
            'details'           => [
                'title'         => 'Your Order Using ' . $type,
                'amount'        => floatval($amount),
                'currency'      => $currency,
                'message'       => "Successfully placed."
            ],
        ]);
    }
    /**
     * Method for retrieve the payment information
     * @param $id
     * @param Illuminate\Http\Request $request
     */
    public function details(Request $request){
        $transaction        = Transaction::auth()->with(['user'])->where('trx_id',$request->transaction_id)->first();
        if(!$transaction) return Response::error(['Transaction data not found'],[],400);
        $response           = [
            'token'         => $transaction->details->token ?? '',
            'trx_id'        => $transaction->trx_id ?? '',
            'payer'         => [
                'username'  => $transaction->user->username,
                'email'     => $transaction->user->email,
            ],
            'status'        => $this->getStatusBadge($transaction->status)
        ];
        return Response::success(['Success'],[
            'data'  => $response
        ],200);
    }
    // get the status data
    function getStatusBadge($status) {
        if ($status == PaymentGatewayConst::STATUSPENDING) {
            $statusText     = "Pending";
            return $statusText;
        } else if ($status == PaymentGatewayConst::STATUSSUCCESS) {
            $statusText     = "Success";
            return $statusText;
        } else if ($status == PaymentGatewayConst::STATUSREJECTED) {
            $statusText     = "Rejected";
            return $statusText;
        } else if ($status == PaymentGatewayConst::STATUSWAITING) {
            $statusText     = "Waiting";
            return $statusText;
        } else if ($status == PaymentGatewayConst::STATUSHOLD) {
            $statusText     = "Hold";
            return $statusText;
        } else {
            $statusText     = "Test";
            return $statusText;
        }
    }
    
}
Path: home/kueuepay/www/app/Http/Controllers/User
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About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

  • Simplifying Payments, One Tap at a Time.
  • Reinventing Your Wallet for Modern Convenience.
  • Smart Payments for a Effortless Lifestyle.
  • Experience the Ease of Tap and Pay.
  • Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

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How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard

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