Expose the service http client so you can set auth and proxy settings

Soneritics/PostNL/Service/AbstractService.php

@@ -43,6 +43,12 @@ abstract class AbstractService
      */
     private $endpoint;
 
+    /**
+     *
+     * @var \PestJSON
+     */
+    private $httpClient;
+
     /**
      *
      * @var Customer
@@ -63,6 +69,29 @@ public function __construct(string $apiKey, Customer $customer, string $endpoint
         $this->customer = $customer;
     }
 
+    /**
+     * Get http client instance
+     * 
+     * @return \PestJSON
+     */
+    public function getHttpClient()
+    {
+        if(!$this->httpClient) {
+            $this->httpClient = new \PestJSON($this->endpoint);
+        }
+        return $this->httpClient;
+    }
+
+    /**
+     * Set http client instance
+     * 
+     * @param \PestJSON $client
+     */
+    public function setHttpClient(\PestJSON $client)
+    {
+        $this->httpClient = $client;
+    }
+
     /**
      * Get data from a REST call.
      *
@@ -73,7 +102,7 @@ public function __construct(string $apiKey, Customer $customer, string $endpoint
      */
     protected function get($url, $data)
     {
-        return (new \PestJSON($this->endpoint))->get($url, $data, $this->getHeaders());
+        return $this->getHttpClient()->get($url, $data, $this->getHeaders());
     }
 
     /**
@@ -86,7 +115,7 @@ protected function get($url, $data)
      */
     protected function post($url, $data)
     {
-        return (new \PestJSON($this->endpoint))->post($url, $data, $this->getHeaders());
+        return $this->getHttpClient()->post($url, $data, $this->getHeaders());
     }
 
     /**