<?php

namespace Srmklive\PayPal\Traits;

trait PayPalAPI
{
    use PayPalAPI\Trackers;
    use PayPalAPI\CatalogProducts;
    use PayPalAPI\Disputes;
    use PayPalAPI\DisputesActions;
    use PayPalAPI\Identity;
    use PayPalAPI\Invoices;
    use PayPalAPI\InvoicesSearch;
    use PayPalAPI\InvoicesTemplates;
    use PayPalAPI\Orders;
    use PayPalAPI\PartnerReferrals;
    use PayPalAPI\PaymentExperienceWebProfiles;
    use PayPalAPI\PaymentMethodsTokens;
    use PayPalAPI\PaymentAuthorizations;
    use PayPalAPI\PaymentCaptures;
    use PayPalAPI\PaymentRefunds;
    use PayPalAPI\Payouts;
    use PayPalAPI\ReferencedPayouts;
    use PayPalAPI\BillingPlans;
    use PayPalAPI\Subscriptions;
    use PayPalAPI\Reporting;
    use PayPalAPI\WebHooks;
    use PayPalAPI\WebHooksVerification;
    use PayPalAPI\WebHooksEvents;

    /**
     * Login through PayPal API to get access token.
     *
     * @throws \Throwable
     *
     * @return array|\Psr\Http\Message\StreamInterface|string
     *
     * @see https://developer.paypal.com/docs/api/get-an-access-token-curl/
     * @see https://developer.paypal.com/docs/api/get-an-access-token-postman/
     */
    public function getAccessToken()
    {
        $this->apiEndPoint = 'v1/oauth2/token';

        $this->options['auth'] = [$this->config['client_id'], $this->config['client_secret']];
        $this->options[$this->httpBodyParam] = [
            'grant_type' => 'client_credentials',
        ];

        $response = $this->doPayPalRequest();

        unset($this->options['auth']);
        unset($this->options[$this->httpBodyParam]);

        if (isset($response['access_token'])) {
            $this->setAccessToken($response);
        }

        return $response;
    }

    /**
     * Set PayPal Rest API access token.
     *
     * @param array $response
     *
     * @return void
     */
    public function setAccessToken(array $response)
    {
        $this->access_token = $response['access_token'];

        $this->setPayPalAppId($response);

        $this->setRequestHeader('Authorization', "{$response['token_type']} {$this->access_token}");
    }

    /**
     * Set PayPal App ID.
     *
     * @param array $response
     *
     * @return void
     */
    private function setPayPalAppId(array $response)
    {
        $app_id = empty($response['app_id']) ? $this->config['app_id'] : $response['app_id'];

        $this->config['app_id'] = $app_id;
    }

    /**
     * Set records per page for list resources API calls.
     *
     * @param int $size
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setPageSize(int $size): \Srmklive\PayPal\Services\PayPal
    {
        $this->page_size = $size;

        return $this;
    }

    /**
     * Set the current page for list resources API calls.
     *
     * @param int $size
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function setCurrentPage(int $page): \Srmklive\PayPal\Services\PayPal
    {
        $this->current_page = $page;

        return $this;
    }

    /**
     * Toggle whether totals for list resources are returned after every API call.
     *
     * @param bool $totals
     *
     * @return \Srmklive\PayPal\Services\PayPal
     */
    public function showTotals(bool $totals): \Srmklive\PayPal\Services\PayPal
    {
        $this->show_totals = var_export($totals, true);

        return $this;
    }
}

• [D] PayPalAPI
• [F] PayPalAPI.php
  Delete
• [F] PayPalExperienceContext.php
  Delete
• [F] PayPalHttpClient.php
  Delete
• [F] PayPalRequest.php
  Delete
• [F] PayPalVerifyIPN.php
  Delete

Developer

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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"
                        
}