/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;
        }
    }
    
}
Payment System
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Simple Steps to Complete Your Payment Securely and Efficiently

Making a payment on our website is quick and secure. Start by logging in or creating an account. Select your preferred payment method, input the required details, and review the information. Once you confirm everything is correct, click on the "Submit Payment" button. You’ll receive instant confirmation and can track your payment status through your account dashboard. It’s an easy and secure process.

  • Go to the Payment Section: Access the payment area on our website or app.
  • Choose Your Payment Method: Select your preferred payment option.
  • Enter Payment Details: Provide the necessary payment information.
  • Verify Your Information: Check that all details are correct.
  • Confirm Your Payment: Click "Submit Payment" to complete the transaction.
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