From 669d2d1e48d1b80c08e9b3d930504da868cd604d Mon Sep 17 00:00:00 2001
From: Marc Ole Bulling <Marc-Ole@gmx.de>
Date: Mon, 28 Dec 2020 11:23:20 +0100
Subject: [PATCH] Inital structure for /system/time API call

---
 controllers/SystemApiController.php |  5 +++++
 routes.php                          |  1 +
 services/ApplicationService.php     | 27 +++++++++++++++++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/controllers/SystemApiController.php b/controllers/SystemApiController.php
index debadc9f..99e2a187 100644
--- a/controllers/SystemApiController.php
+++ b/controllers/SystemApiController.php
@@ -43,6 +43,11 @@ class SystemApiController extends BaseApiController
 		return $this->ApiResponse($response, $this->getApplicationService()->GetSystemInfo());
 	}
 
+	public function GetSystemTime(\Psr\Http\Message\ServerRequestInterface $request, \Psr\Http\Message\ResponseInterface $response, array $args)
+	{
+		return $this->ApiResponse($response, $this->getApplicationService()->GetSystemTime());
+	}
+
 	public function LogMissingLocalization(\Psr\Http\Message\ServerRequestInterface $request, \Psr\Http\Message\ResponseInterface $response, array $args)
 	{
 		if (GROCY_MODE === 'dev')
diff --git a/routes.php b/routes.php
index 333057f1..4ce72312 100644
--- a/routes.php
+++ b/routes.php
@@ -145,6 +145,7 @@ $app->group('/api', function (RouteCollectorProxy $group) {
 
 	// System
 	$group->get('/system/info', '\Grocy\Controllers\SystemApiController:GetSystemInfo');
+	$group->get('/system/time', '\Grocy\Controllers\SystemApiController:GetSystemTime');
 	$group->get('/system/db-changed-time', '\Grocy\Controllers\SystemApiController:GetDbChangedTime');
 	$group->get('/system/config', '\Grocy\Controllers\SystemApiController:GetConfig');
 	$group->post('/system/log-missing-localization', '\Grocy\Controllers\SystemApiController:LogMissingLocalization');
diff --git a/services/ApplicationService.php b/services/ApplicationService.php
index 6b4679f3..6dc78dfa 100644
--- a/services/ApplicationService.php
+++ b/services/ApplicationService.php
@@ -75,4 +75,31 @@ class ApplicationService extends BaseService
 			'sqlite_version' => $sqliteVersion
 		];
 	}
+
+	private static function convertToUtc(int $timestamp):string
+	{
+		$timestamp = time();
+		$dt = new DateTime('now', new DateTimeZone('UTC'));
+		$dt->setTimestamp($timestamp);
+		return $dt->format('Y-m-d H:i:s');
+	}
+
+	/**
+	 * Returns the response for the API call /system/time
+	 * @param int $offset an offset to be applied
+	 * @return array
+	 */
+	public function GetSystemTime(int $offset = 0):array
+	{
+		$timestamp = time();
+		$timeLocal = date('Y-m-d H:i:s', $timestamp);
+		$timeUTC = self::convertToUtc($timestamp);
+		return [
+			'timezone' => date_default_timezone_get(),
+			'time_local' => $timeLocal,
+			'time_utc' => $timeUTC,
+			'timestamp' => $timestamp,
+			'offset' => $offset
+		];
+	}
 }