Support user avatar file upload

Author: drumm

lib/Gitlab/Api/AbstractApi.php

@@ -123,14 +123,32 @@ protected function post($path, array $parameters = array(), $requestHeaders = ar
      * @param array $requestHeaders
      * @return mixed
      */
-    protected function put($path, array $parameters = array(), $requestHeaders = array())
+    protected function put($path, array $parameters = array(), $requestHeaders = array(), array $files = array())
     {
         $path = $this->preparePath($path);
 
         $body = null;
-        if (!empty($parameters)) {
+        if (empty($files) && !empty($parameters)) {
             $body = $this->prepareBody($parameters);
             $requestHeaders['Content-Type'] = 'application/x-www-form-urlencoded';
+        } elseif (!empty($files)) {
+            $builder = new MultipartStreamBuilder($this->streamFactory);
+
+            foreach ($parameters as $name => $value) {
+                $builder->addResource($name, $value);
+            }
+
+            foreach ($files as $name => $file) {
+                $builder->addResource($name, fopen($file, 'r'), [
+                    'headers' => [
+                        'Content-Type' => $this->guessContentType($file),
+                    ],
+                    'filename' => basename($file),
+                ]);
+            }
+
+            $body = $builder->build();
+            $requestHeaders['Content-Type'] = 'multipart/form-data; boundary='.$builder->getBoundary();
         }
 
         $response = $this->client->getHttpClient()->put($path, $requestHeaders, $body);

lib/Gitlab/Api/Users.php

@@ -98,11 +98,12 @@ public function create($email, $password, array $params = array())
     /**
      * @param int $id
      * @param array $params
+     * @param array $files
      * @return mixed
      */
-    public function update($id, array $params)
+    public function update($id, array $params, array $files = array())
     {
-        return $this->put('users/'.$this->encodePath($id), $params);
+        return $this->put('users/'.$this->encodePath($id), $params, array(), $files);
     }
 
     /**