near final

lib/backend/modules/synced_time.dart

@@ -0,0 +1,36 @@
+
+import 'dart:async';
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+import 'info_module.dart';
+
+class SyncedTimeModule extends InfoModule  {
+
+  int timeOffset = -1;
+  DateTime lastUpdate = DateTime.now().add(const Duration(seconds: -15));
+
+  SyncedTimeModule() {
+    refreshTimer();
+  }
+
+  Timer refreshTimer() => Timer.periodic(const Duration(seconds: 10), (timer) async {
+    var res = await http.get(Uri.parse('http://worldtimeapi.org/api/timezone/Europe/London'));
+    if (res.statusCode == 200) {
+      var json = jsonDecode(res.body);
+      DateTime time = DateTime.parse(json['datetime']);
+      timeOffset = time.millisecondsSinceEpoch - DateTime.now().millisecondsSinceEpoch;
+      lastUpdate = DateTime.now();
+      print("Time offset: $timeOffset");
+    } else {
+      print("Failed to get time from worldtimeapi.org");
+    }
+  });
+
+  DateTime Now() {
+    if (timeOffset == -1) {
+      return DateTime.now();
+    }
+    return DateTime.now().add(Duration(milliseconds: timeOffset));
+  }
+}