/home/kueuepay/www/resources/installer/src/Helpers/Helper.php
<?php 

namespace Project\Installer\Helpers;

use Exception;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Artisan;
use Project\Installer\Helpers\URLHelper;

class Helper {

    public $cache_key = "installer_cache_store";

    const ENV_CONTENT_CACHE_KEY = "installer_env_content";

    public function cache(array $data = []) {
        if(count($data) == 0) {
            return cache()->driver('file')->get($this->cache_key);
        }
        if(cache()->driver('file')->get($this->cache_key)) {
            $cache = cache()->driver('file')->get($this->cache_key);
            $data = array_merge($cache,$data);
            cache()->driver('file')->forever($this->cache_key,$data);
        }else {
            cache()->driver('file')->forever($this->cache_key,$data);
        }
    }

    public function client() {
        $url = new URLHelper();
        return [
            'client'   => $url->base_get(),
        ];
    }

    public function connection(array $data) {
        $url = new URLHelper();

        $response = Http::withHeaders([
            'Content-Type'  => "application/json",
            'Accept'        => "application/json",
        ])->asForm()->post($url->getValidation('v3'),$data);

        if($response->failed()) {
            $message =  $response->json('data')['message'] ?? $response->json('message')['error'][0] ?? "Something went wrong! Please try again";

            if($message == "") $message = $response->status();
            throw new Exception($message);
        }
    }

    public function signature(string|array $data) {
        if(is_string($data)) return base64_encode($data);
        $data = json_encode($data);
        return base64_encode($data);
    }

    public function generateAppKey() {
        return Artisan::call("key:generate");
    }
}
Access Token

Get Access Token

Get access token to initiates payment transaction.

Endpoint: POST generate-token
Parameter Type Comments
client_id string Enter merchant API client/primary key
secret_id string Enter merchant API secret key
env string Enter merchant API environment
merchant_id string Enter merchant API merchant id
Just request to that endpoint with all parameter listed below:
                    
                        Request Example (guzzle)
                        

<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('POST', $base_url. 'v1/generate-token', [
'headers' => [
  'accept' => 'application/json',
  'content-type' => 'application/json',
 ],
'form_params' => [
  'client_id' => '$client_id',
  'secret_id' => 'secret_id',
  'env' => 'env',
  'merchant_id' => 'merchant_id',
 ],
]);
echo $response->getBody();
                    
                        
**Response: SUCCESS (200 OK)**
{
 "message": {
 "success": [
  "Successfully token is generated"
 ]
},
"data": {
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz
IyZmQzNDY1IiwidGFnIjoiIn0=",
},
"type": "success"
}
                    
                        
**Response: ERROR (400 FAILED)**
{
 "message": {
 "error": [
  "Invalid credentials."
 ]
},
"data": null,
"type": "error"
}