<?php
namespace App\Traits\PaymentGateway;

use Exception;
use Illuminate\Support\Str;
use App\Models\TemporaryData;
use Illuminate\Support\Facades\DB;
use App\Http\Helpers\PaymentGateway;
use Illuminate\Http\Client\Response;
use Illuminate\Support\Facades\Http;
use App\Constants\PaymentGatewayConst;
use Illuminate\Http\Client\RequestException;

trait SslCommerz {

    private $sslCommerz_gateway_credentials;
    private $request_credentials;
    private $sslCommerz_sandbox_api_base_url = "https://sandbox.sslcommerz.com/";
    private $sslCommerz_production_api_base_url = "https://securepay.sslcommerz.com";
    private $sslCommerz_api_v4       = "v4";

    public function sslCommerzInit($output = null) 
    {
        if(!$output) $output = $this->output;
        $request_credentials = $this->getSslCommerzRequestCredentials($output);
        
        try{
            $payment_link = $this->createSslCommerzPaymentLink($output, $request_credentials);
        }catch(Exception $e) {
            throw new Exception($e);
        }
        return $payment_link;
    }

    public function createSslCommerzPaymentLink($output, $request_credentials) 
    {
        $v4 = $this->sslCommerz_api_v4;
        $endpoint = "gwprocess/$v4/api.php";
        $endpoint = $request_credentials->base_url . $endpoint;

        $temp_record_token = generate_unique_string('temporary_datas','identifier',60);
        

        $redirection = $this->getRedirection();
        $url_parameter = $this->getUrlParams();

        $user = auth()->guard(get_auth_guard())->user();

        

        $temp_data = $this->sslCommerzJunkInsert($temp_record_token); // create temporary information

        $response = Http::asForm()->post($endpoint, [
            'store_id'      => $this->request_credentials->store_id,
            'store_passwd'  => $this->request_credentials->secret_key,
            'total_amount'  => $output['amount']->total_amount,
            'currency'      => $output['currency']->currency_code,
            'tran_id'       => $temp_record_token,
            'success_url'   => $this->setGatewayRoute($redirection['return_url'],PaymentGatewayConst::SSLCOMMERZ,$url_parameter),
            'fail_url'      => $this->setGatewayRoute($redirection['cancel_url'],PaymentGatewayConst::SSLCOMMERZ,$url_parameter),
            'cancel_url'    => $this->setGatewayRoute($redirection['cancel_url'],PaymentGatewayConst::SSLCOMMERZ,$url_parameter),
            'ipn_url'       => $this->setGatewayRoute($redirection['callback_url'],PaymentGatewayConst::SSLCOMMERZ,$url_parameter),
            'cus_name'      => $user->firstname ?? "",
            'cus_email'     => $user->email ?? "",
            'cus_add1'      => $user->address->address ?? "",
            'cus_city'      => $user->address->city ?? "",
            'cus_country'   => $user->address->country ?? "",
            'cus_phone'     => " ",
            'shipping_method'   => "No",
            'product_name'      => "Add Money",
            'product_category'  => " ",
            'product_profile'   => " ",
        ])->throw(function(Response $response, RequestException $exception) use ($temp_data) {
            $temp_data->delete();
            throw new Exception($exception->getMessage());
        })->json();
        $response_array = json_decode(json_encode($response), true);
        

        if(isset($response_array['status']) && $response_array['status'] == "SUCCESS") {

            $temp_data_contains = json_decode(json_encode($temp_data->data),true);
            $temp_data_contains['response'] = $response_array;

            $temp_data->update([
                'data'  => $temp_data_contains,
            ]);
            if(request()->expectsJson()) {
                $this->output['redirection_response']   = $response_array;
                $this->output['redirect_links']         = [];
                $this->output['redirect_url']           = $response_array['GatewayPageURL'];
                return $this->get();
            }
            return redirect()->away($response_array['GatewayPageURL']);
        }

        throw new Exception($response_array['failedreason']);
    }

    public function sslCommerzJunkInsert($temp_token) {
        $output = $this->output;

        $data = [
            'gateway'       => $output['gateway']->id,
            'currency'      => $output['currency']->id,
            'amount'        => json_decode(json_encode($output['amount']),true),
            'wallet_table'  => $output['wallet']->getTable(),
            'wallet_id'     => $output['wallet']->id,
            'creator_table' => auth()->guard(get_auth_guard())->user()->getTable(),
            'creator_id'    => auth()->guard(get_auth_guard())->user()->id,
            'creator_guard' => get_auth_guard(),
        ];

        return TemporaryData::create([
            'type'          => PaymentGatewayConst::SSLCOMMERZ,
            'identifier'    => $temp_token,
            'data'          => $data,
        ]);
    }

    public function getSslCommerzCredentials($output)
    {
        $gateway = $output['gateway'] ?? null;
        if(!$gateway) throw new Exception("Payment gateway not available");

        $store_id_sample = ['store id','store','public key','public', 'test public key', 'id'];
        $secret_key_sample = ['secret','secret key','store password', 'password','secret id','store password (api/secret key)'];

        $store_id           = PaymentGateway::getValueFromGatewayCredentials($gateway,$store_id_sample);
        $secret_key         = PaymentGateway::getValueFromGatewayCredentials($gateway,$secret_key_sample);
        
        $mode = $gateway->env;
        $gateway_register_mode = [
            PaymentGatewayConst::ENV_SANDBOX => PaymentGatewayConst::ENV_SANDBOX,
            PaymentGatewayConst::ENV_PRODUCTION => PaymentGatewayConst::ENV_PRODUCTION,
        ];

        if(array_key_exists($mode,$gateway_register_mode)) {
            $mode = $gateway_register_mode[$mode];
        }else {
            $mode = PaymentGatewayConst::ENV_SANDBOX;
        }

        $credentials = (object) [
            'store_id'                  => $store_id,
            'secret_key'                => $secret_key,
            'mode'                      => $mode
        ];

        $this->sslCommerz_gateway_credentials = $credentials;

        return $credentials;
    }

    public function getSslCommerzRequestCredentials($output = null) 
    {
        if(!$this->sslCommerz_gateway_credentials) $this->getSslCommerzCredentials($output);
        $credentials = $this->sslCommerz_gateway_credentials;
        if(!$output) $output = $this->output;

        $request_credentials = [];
        $request_credentials['store_id']        = $credentials->store_id;
        $request_credentials['secret_key']      = $credentials->secret_key;

        if($output['gateway']->env == PaymentGatewayConst::ENV_PRODUCTION) {
            $request_credentials['base_url']      = $this->sslCommerz_production_api_base_url;
        }else {
            $request_credentials['base_url']      = $this->sslCommerz_sandbox_api_base_url;
        }

        $this->request_credentials = (object) $request_credentials;
        return (object) $request_credentials;
    }
    public function isSslCommerz($gateway)
    {
        $search_keyword = ['sslcommerz','sslcommerz gateway','gateway sslcommerz','sslcommerz payment gateway'];
        $gateway_name = $gateway->name;

        $search_text = Str::lower($gateway_name);
        $search_text = preg_replace("/[^A-Za-z0-9]/","",$search_text);
        foreach($search_keyword as $keyword) {
            $keyword = Str::lower($keyword);
            $keyword = preg_replace("/[^A-Za-z0-9]/","",$keyword);
            if($keyword == $search_text) {
                return true;
                break;
            }
        }
        return false;
    }
    public function sslcommerzSuccess($output) {
       
        $reference              = $output['tempData']['identifier'];
        $output['capture']      = $output['tempData']['data']->response ?? "";
        $output['callback_ref'] = $reference;
        $response_status = $output['capture']->status ?? "";


        if(!$this->searchWithReferenceInTransaction($reference)) {
            // need to insert new transaction in database
            try{
                $transaction_response = $this->createTransaction($output);
            }catch(Exception $e) {
                throw new Exception($e->getMessage());
            }
            return $transaction_response;
        }

    }

    public function sslcommerzCallbackResponse($reference,$callback_data, $output = null) {

        if(!$output) $output = $this->output;

        $callback_status = $callback_data['status'] ?? "";
        if(isset($output['transaction']) && $output['transaction'] != null && $output['transaction']->status != PaymentGatewayConst::STATUSSUCCESS) { // if transaction already created & status is not success

            // Just update transaction status and update user wallet if needed
            if($callback_status == "VALID") {

                $transaction_details                        = json_decode(json_encode($output['transaction']->details),true) ?? [];
                $transaction_details['gateway_response']    = $callback_data;

                // update transaction status
                DB::beginTransaction();

                try{
                    DB::table($output['transaction']->getTable())->where('id',$output['transaction']->id)->update([
                        'status'        => PaymentGatewayConst::STATUSSUCCESS,
                        'details'       => json_encode($transaction_details),
                        'callback_ref'  => $reference,
                    ]);

                    $this->updateWalletBalance($output);
                    DB::commit();
                    
                }catch(Exception $e) {
                    DB::rollBack();
                    logger($e);
                    throw new Exception($e);
                }
            }
        }else { // need to create transaction and update status if needed
            $this->createTransaction($output);
        }

        logger("Transaction Created Successfully ::" . $callback_data['status']);
    }

}

• [F] Flutterwave.php
  Delete
• [F] Paypal.php
  Delete
• [F] PaystackGateway.php
  Delete
• [F] Razorpay.php
  Delete
• [F] SslCommerz.php
  Delete
• [F] Stripe.php
  Delete

How To Payment

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.