Support for filtering orders list

examples.php

@@ -22,9 +22,14 @@
 $products = $sendworks->products->select();
 var_dump($sendworks->service_points->select($products[0], $recipient));
 
-// List orders
+// List all orders
 var_dump($sendworks->orders->select());
 
+// Find order by shop system and reference (shop system id)
+foreach ($sendworks->orders->select(['shop_system' => 'magento', 'order_reference' => '100000001']) as $order) {
+  var_dump($order);
+}
+
 // Get shipment from order
 $shipment = $sendworks->orders->select()[0]->shipments[0]->resolve();
 var_dump($shipment);

lib/Sendworks/Order.php

@@ -20,7 +20,7 @@ class Order
     public function __construct($data = [], $connection = null)
     {
         $this->connection = $connection;
-        foreach (['id', 'order_reference', 'customer_number', 'service_point_reference'] as $prop) {
+        foreach (['id', 'order_reference', 'shop_system', 'customer_number', 'service_point_reference'] as $prop) {
             if (isset($data[$prop])) {
                 $this->$prop = $data[$prop];
             }

lib/Sendworks/OrdersCollection.php

@@ -10,9 +10,9 @@ public function __construct($connection)
         $this->connection = $connection;
     }
 
-    public function select()
+    public function select($filters = [])
     {
-        $response = $this->client()->get('orders');
+        $response = $this->client()->get('orders', ['query' => $filters]);
         $result = array();
         foreach (json_decode($response->getBody(), true) as $struct) {
             $result[] = Order::import($struct, $this->connection);