Add updateItem method

composer.json

@@ -2,7 +2,7 @@
   "name": "quaderno/quaderno",
   "type": "library",
   "description": "PHP wrapper for the Quaderno REST API",
-  "version": "1.6.2",
+  "version": "1.6.3",
   "keywords": ["billing","receipts", "invoices", "stripe", "paypal", "braintree", "gocardless", "vat", "gst"],
   "homepage": "https://github.com/quaderno/quaderno-php",
   "license": "MIT",

quaderno_class.php

@@ -28,10 +28,10 @@ public function __get($name)
 		return array_key_exists($name, $this->data) ? $this->data[$name] : null;
 	}
 
-    public function __isset($name)
-    {
-        return array_key_exists($name, $this->data);
-    }
+  public function __isset($name)
+  {
+    return array_key_exists($name, $this->data);
+  }
 
 	protected function getArray()
 	{

quaderno_document.php

@@ -33,8 +33,28 @@ public function addContact($contact)
 	public function addItem($item)
 	{
 		$length = isset($this->data['items_attributes']) ? count($this->data['items_attributes']) : 0;
-		$this->data['items_attributes'][$length] = $item->getArray();
-		return count($this->data['items_attributes']) == $length + 1;
+
+		if (isset($item->id) && $length > 0)
+		{
+			$index = 0;
+
+			for($index; $index < $length; $index ++){
+				if ($this->data['items_attributes'][$index]['id'] == $item->id) break;
+			}
+
+			$this->data['items_attributes'][$index] = $item->getArray();
+			return count($this->data['items_attributes']) == $length;
+		}
+		else
+		{
+			$this->data['items_attributes'][$length] = $item->getArray();
+			return count($this->data['items_attributes']) == $length + 1;
+		}
+	}
+
+	public function updateItem($item)
+	{
+		return $this->addItem(new QuadernoDocumentItem($item));
 	}
 
 	/* Interface - only subclasses which implement original ones (i.e. without exec-) can call these methods */

quaderno_model.php

@@ -113,13 +113,19 @@ public function save()
 			if ($new_data) $this->data = $new_data->data;
 		}
 
+		$new_data = (isset($this->data['items_attributes']) && !$new_object);
+
 		/**
 		* 3rd step - Update object
 		* Update object - This is only necessary when it's not a new object, or new payments have been created.
 		*/
 		if (!$new_object || $new_data)
 		{
-			$response = QuadernoBase::save(static::$model, $this->data, $this->id);
+      $body_data = $this->data;
+
+			if (isset($this->items)) unset($body_data['items']);
+
+			$response = QuadernoBase::save(static::$model, $body_data, $this->id);
 
 			if (QuadernoBase::responseIsValid($response))
 			{