Prepare file upload API (references #58)

controllers/FilesApiController.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Grocy\Controllers;
+
+use \Grocy\Services\FilesService;
+
+class FilesApiController extends BaseApiController
+{
+	public function __construct(\Slim\Container $container)
+	{
+		parent::__construct($container);
+		$this->FilesService = new FilesService();
+	}
+
+	protected $FilesService;
+
+	public function Upload(\Slim\Http\Request $request, \Slim\Http\Response $response, array $args)
+	{
+		try
+		{
+			if (isset($request->getQueryParams()['file_name']) && !empty($request->getQueryParams()['file_name']) && IsValidFileName($request->getQueryParams()['file_name']))
+			{
+				$fileName = $request->getQueryParams()['file_name'];
+			}
+			else
+			{
+				throw new \Exception('file_name query parameter missing or contains an invalid filename');
+			}
+
+			$data = $request->getBody()->getContents();
+			file_put_contents($this->FilesService->GetFilePath($args['group'], $fileName), $data);
+		}
+		catch (\Exception $ex)
+		{
+			return $this->VoidApiActionResponse($response, false, 400, $ex->getMessage());
+		}
+	}
+}