added file methods to be documented.

src/Resources/Files.php

@@ -3,15 +3,31 @@
 namespace Dcblogdev\MsGraph\Resources;
 
 use Dcblogdev\MsGraph\Facades\MsGraph;
-use Exception;
+use GuzzleHttp\Client;
 
 class Files extends MsGraph
 {
+    public function getFiles($path = null)
+    {
+        $path = $path === null ? 'me/drive/root/children?$orderby=name%20asc' : 'me/drive/root:'.$this->forceStartingSlash($path).':/children';
+        return MsGraph::get($path);
+    }
+
+    public function getDrive()
+    {
+        return MsGraph::get('me/drive');
+    }
+
     public function getDrives()
     {
         return MsGraph::get('me/drives');
     }
 
+    public function search($term)
+    {
+        return MsGraph::get("me/drive/root/search(q='$term')");
+    }
+
     public function downloadFile($id)
     {
         $id = MsGraph::get("me/drive/items/$id");
@@ -23,4 +39,93 @@ public function deleteFile($id)
     {
         return MsGraph::delete("me/drive/items/$id");
     }
+
+    public function createFolder($name, $path)
+    {
+        $path = $path === null ? 'me/drive/root/children' : 'me/drive/root:'.$this->forceStartingSlash($path).':/children';
+        return MsGraph::post($path, [
+            'name' => $name,
+            'folder' => new \stdClass(),
+            "@microsoft.graph.conflictBehavior" => "rename"
+        ]);
+    }
+
+    public function getItem($id)
+    {
+        return MsGraph::get("me/drive/items/$id");
+    }
+
+    public function rename($name, $id)
+    {
+        $path = "me/drive/items/$id";
+        return MsGraph::patch($path, [
+            'name' => $name
+        ]);
+    }
+
+    public function upload($name, $uploadPath, $path = null)
+    {
+        $uploadSession = $this->createUploadSession($name, $path);
+        $uploadUrl = $uploadSession['uploadUrl'];
+
+        $fragSize = 320 * 1024;
+        $file = file_get_contents($uploadPath);
+        $fileSize = strlen($file);
+        $numFragments = ceil($fileSize / $fragSize);
+        $bytesRemaining = $fileSize;
+        $i = 0;
+        $ch = curl_init($uploadUrl);
+        while ($i < $numFragments) {
+            $chunkSize = $numBytes = $fragSize;
+            $start = $i * $fragSize;
+            $end = $i * $fragSize + $chunkSize - 1;
+            $offset = $i * $fragSize;
+            if ($bytesRemaining < $chunkSize) {
+                $chunkSize = $numBytes = $bytesRemaining;
+                $end = $fileSize - 1;
+            }
+            if ($stream = fopen($uploadPath, 'r')) {
+                // get contents using offset
+                $data = stream_get_contents($stream, $chunkSize, $offset);
+                fclose($stream);
+            }
+
+            $content_range = " bytes " . $start . "-" . $end . "/" . $fileSize;
+            $headers = [
+                'Content-Length' => $numBytes,
+                'Content-Range' => $content_range
+            ];
+
+            $client = new Client;
+            $response = $client->put($uploadUrl, [
+                'headers' => $headers,
+                'body' => $data,
+            ]);
+
+            $bytesRemaining = $bytesRemaining - $chunkSize;
+            $i++;
+        }
+
+    }
+
+    protected function createUploadSession($name, $path = null)
+    {
+        $path = $path === null ? "me/drive/root:/$name:/createUploadSession" : "me/drive/root:".$this->forceStartingSlash($path)."/$name:/createUploadSession";
+
+        return MsGraph::post($path, [
+            'item' => [
+                "@microsoft.graph.conflictBehavior" => "rename",
+                "name" => $name
+            ]
+        ]);
+    }
+
+    protected function forceStartingSlash($string)
+    {
+        if (substr($string, 0, 1) !== "/") {
+            $string = "/$string";
+        }
+
+        return $string;
+    }
 }