Added Node model

Author: m4tthumphrey

lib/Gitlab/Model/Node.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Gitlab\Model;
+
+use Gitlab\Client;
+
+class Node extends AbstractModel
+{
+    protected static $_properties = array(
+        'name',
+        'type',
+        'mode',
+        'id'
+    );
+
+    public static function fromArray(Client $client, Project $project, array $data)
+    {
+        $node = new Node($project, $data['id'], $client);
+
+        return $node->hydrate($data);
+    }
+
+    public function __construct(Project $project, $id = null, Client $client)
+    {
+        $this->setClient($client);
+
+        $this->project = $project;
+        $this->id = $id;
+    }
+}

lib/Gitlab/Model/Project.php

@@ -231,6 +231,18 @@ public function commits($page = 0, $per_page = Api::PER_PAGE, $ref_name = null)
         return $commits;
     }
 
+    public function tree(array $params = array())
+    {
+        $data = $this->api('repo')->tree($this->id, $params);
+
+        $tree = array();
+        foreach ($data as $node) {
+            $tree[] = Node::fromArray($this->getClient(), $this, $node);
+        }
+
+        return $tree;
+    }
+
     public function events()
     {
         $data = $this->api('projects')->events($this->id);