Some Improvements

lib/main.dart

@@ -11,9 +11,24 @@ import 'package:flutter_background_service/flutter_background_service.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'dart:math';
 
+String formatMinutes(int minutes) {
+  int hours = minutes ~/ 60;
+  int remainingMinutes = minutes % 60;
+
+  String hoursString = "";
+  String minutesString = "";
+
+  if (hours > 0) {
+    hoursString = "$hours h";
+  }
+
+  minutesString = "$remainingMinutes min";
+
+  return "$hoursString $minutesString";
+}
+
 @pragma('vm:entry-point')
 void callbackDispatcher() async {
-
   Map content = await FileHandler.fileContent;
   int id = 15;
   for (String key in content.keys) {
@@ -23,16 +38,24 @@ void callbackDispatcher() async {
       DateTime dueTime = DateTime.parse(current["dueTime"]);
       bool checked = current["checked"];
       DateTime currentTime = DateTime.now();
-      int timeDiff = dueTime
-          .difference(currentTime)
-          .inMinutes;
-      if (timeDiff <= 45 && timeDiff >= 0 && !checked) {
+      bool notifiedDay = current["notifiedDay"];
+      bool notifiedHour = current["notifiedHour"];
+      int timeDiff = dueTime.difference(currentTime).inMinutes;
+      if ((timeDiff <= 90 && !notifiedHour ||
+              timeDiff > 23*60 && timeDiff <= 25 * 60 && !notifiedDay) &&
+          timeDiff >= 0 &&
+          !checked) {
+        String notifyType = timeDiff <= 90 ? "notifiedHour" : "notifiedDay";
+
+        await FileHandler.saveNotified(key, title, notifyType, true);
+
         AwesomeNotifications().createNotification(
             content: NotificationContent(
                 id: id,
                 channelKey: "reminder_channel",
                 title: "Task due!",
-                body: "Task $title due in $timeDiff minutes!"));
+                body:
+                    "Task $title due in ${formatMinutes(timeDiff)} !"));
       }
       id++;
     }
@@ -55,9 +78,7 @@ Future<void> initService() async {
           onStart: onStart,
           isForegroundMode: false,
           autoStart: true,
-          autoStartOnBoot: true
-      )
-  );
+          autoStartOnBoot: true));
 
   service.startService();
 }