<?php

namespace Srmklive\PayPal\Traits\PayPalAPI\PaymentMethodsTokens;

trait Helpers
{
    /**
     * @var array
     */
    protected $payment_source = [];

    /**
     * @var array
     */
    protected $customer_source = [];

    /**
     * Set payment method token by token id.
     *
     * @param string $id
     * @param string $type
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setTokenSource(string $id, string $type): \Srmklive\PayPal\Services\PayPal
    {
        $token_source = [
            'id'    => $id,
            'type'  => $type,
        ];

        return $this->setPaymentSourceDetails('token', $token_source);
    }

    /**
     * Set payment method token customer id.
     *
     * @param string $id
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setCustomerSource(string $id): \Srmklive\PayPal\Services\PayPal
    {
        $this->customer_source = [
            'id' => $id,
        ];

        return $this;
    }

    /**
     * Set payment source data for credit card.
     *
     * @param array $data
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setPaymentSourceCard(array $data): \Srmklive\PayPal\Services\PayPal
    {
        return $this->setPaymentSourceDetails('card', $data);
    }

    /**
     * Set payment source data for PayPal.
     *
     * @param array $data
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setPaymentSourcePayPal(array $data): \Srmklive\PayPal\Services\PayPal
    {
        return $this->setPaymentSourceDetails('paypal', $data);
    }

    /**
     * Set payment source data for Venmo.
     *
     * @param array $data
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setPaymentSourceVenmo(array $data): \Srmklive\PayPal\Services\PayPal
    {
        return $this->setPaymentSourceDetails('venmo', $data);
    }

    /**
     * Set payment source details.
     *
     * @param string $source
     * @param array  $data
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    protected function setPaymentSourceDetails(string $source, array $data): \Srmklive\PayPal\Services\PayPal
    {
        $this->payment_source[$source] = $data;

        return $this;
    }

    /**
     * Send request for creating payment method token/source.
     *
     * @param bool $create_source
     *
     * @throws \Throwable
     *
     * @return array|\Psr\Http\Message\StreamInterface|string
     */
    public function sendPaymentMethodRequest(bool $create_source = false)
    {
        $token_payload = ['payment_source' => $this->payment_source];

        if (!empty($this->customer_source)) {
            $token_payload['customer'] = $this->customer_source;
        }

        return ($create_source === true) ? $this->createPaymentSetupToken(array_filter($token_payload)) : $this->createPaymentSourceToken(array_filter($token_payload));
    }
}

• [F] Helpers.php
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                        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"
                        
}