Add support for Sendcloud Partner id

README.md

@@ -13,9 +13,9 @@ composer require picqer/sendcloud-php-client
 ```
 
 ## Set-up connection
-Prepare the client for connecting to SendCloud with your API key and secret
+Prepare the client for connecting to SendCloud with your API key, API secret and Sendcloud Partner id (optional)
 ```php
-$connection = new \Picqer\Carriers\SendCloud\Connection('apikey', 'apisecret');
+$connection = new \Picqer\Carriers\SendCloud\Connection('apikey', 'apisecret', 'partnerid');
 $sendCloud = new \Picqer\Carriers\SendCloud\SendCloud($connection);
 ```
 

src/Picqer/Carriers/SendCloud/Connection.php

@@ -31,6 +31,13 @@ class Connection
      */
     private $apiSecret;
 
+    /**
+     * The Sendcloud Partner ID
+     *
+     * @var string
+     */
+    private $partnerId;
+
     /**
      * Contains the HTTP client (Guzzle)
      * @var Client
@@ -48,10 +55,11 @@ class Connection
      * @param string $apiKey API key for SendCloud
      * @param string $apiSecret API secret for SendCloud
      */
-    public function __construct($apiKey, $apiSecret)
+    public function __construct($apiKey, $apiSecret, $partnerId = null)
     {
         $this->apiKey = $apiKey;
         $this->apiSecret = $apiSecret;
+        $this->partnerId = $partnerId;
     }
 
     /**
@@ -76,6 +84,10 @@ public function client()
             'handler' => $handlerStack
         ];
 
+        if (! is_null($this->partnerId)) {
+            $clientConfig['headers']['Sendcloud-Partner-Id'] = $this->partnerId;
+        }
+
         $this->client = new Client($clientConfig);
 
         return $this->client;