Added merge request changes endpoint. Fixes #69

Author: Matt Humphrey

lib/Gitlab/Api/MergeRequests.php

@@ -132,6 +132,16 @@ public function addComment($project_id, $mr_id, $note)
         ));
     }
 
+    /**
+     * @param int $project_id
+     * @param int $mr_id
+     * @return mixed
+     */
+    public function changes($project_id, $mr_id)
+    {
+        return $this->get($this->getProjectPath($project_id, 'merge_request/'.urlencode($mr_id).'/changes'));
+    }
+
     /**
      * @param int $project_id
      * @param int $page

lib/Gitlab/Model/MergeRequest.php

@@ -22,6 +22,8 @@
  * @property-read User $author
  * @property-read User $assignee
  * @property-read Project $project
+ * @property-read Milestone $milestone
+ * @property-read File[] $files
  */
 class MergeRequest extends AbstractModel implements Noteable
 {
@@ -45,7 +47,9 @@ class MergeRequest extends AbstractModel implements Noteable
         'target_project_id',
         'upvotes',
         'downvotes',
-        'labels'
+        'labels',
+        'milestone',
+        'files'
     );
 
     /**
@@ -66,6 +70,19 @@ public static function fromArray(Client $client, Project $project, array $data)
             $data['assignee'] = User::fromArray($client, $data['assignee']);
         }
 
+        if (isset($data['milestone'])) {
+            $data['milestone'] = Milestone::fromArray($client, $project, $data['milestone']);
+        }
+
+        if (isset($data['files'])) {
+            $files = array();
+            foreach ($data['files'] as $file) {
+                $files[] = File::fromArray($client, $project, $file);
+            }
+
+            $data['files'] = $files;
+        }
+
         return $mr->hydrate($data);
     }
 
@@ -195,4 +212,14 @@ public function isClosed()
 
         return false;
     }
+
+    /**
+     * @return MergeRequest
+     */
+    public function changes()
+    {
+        $data = $this->api('mr')->changes($this->project->id, $this->id);
+
+        return static::fromArray($this->getClient(), $this->project, $data);
+    }
 }