Due & issue notification issues solved

Author: Sabra-xD

lib/model/data.dart

@@ -154,13 +154,20 @@ class Data {
 
     if (task.status == 'pending' && task.due != null) {
       int notificationid = notificationService.calculateNotificationId(
-          task.due!, task.description, task.id);
+          task.due!, task.description, false, task.entry);
       notificationService.cancelNotification(notificationid);
       notificationService.sendNotification(
-          task.due!, task.description, task.id);
+          task.due!, task.description, false, task.entry);
+      if (task.wait != null) {
+        int waitNotificationId = notificationService.calculateNotificationId(
+            task.wait!, task.description, true, task.entry);
+        notificationService.cancelNotification(waitNotificationId);
+        notificationService.sendNotification(
+            task.wait!, task.description, true, task.entry);
+      }
     } else if (task.due != null) {
       int notificationid = notificationService.calculateNotificationId(
-          task.due!, task.description, task.id);
+          task.due!, task.description, false, task.entry);
 
       notificationService.cancelNotification(notificationid);
     }

lib/services/notification_services.dart

@@ -35,24 +35,26 @@ class NotificationService {
   }
 
   // Function to create a unique notification ID
-  int calculateNotificationId(
-      DateTime scheduledTime, String taskname, int? taskid) {
-    String combinedString = '${scheduledTime.toIso8601String()}$taskname';
+  int calculateNotificationId(DateTime scheduledTime, String taskname,
+      bool isWait, DateTime entryTime) {
+    String combinedString =
+        '${entryTime.toIso8601String().substring(0, 19)}$taskname';
 
     // Calculate SHA-256 hash
     var sha2561 = sha256.convert(utf8.encode(combinedString));
 
     // Convert the first 8 characters of the hash to an integer
     int notificationId =
         int.parse(sha2561.toString().substring(0, 8), radix: 16) % 2147483647;
-    if (taskid != null) {
-      notificationId = (notificationId + taskid) % 2147483647;
+    if (isWait) {
+      notificationId = (notificationId + 2) % 2147483647;
     }
 
     return notificationId;
   }
 
-  void sendNotification(DateTime dtb, String taskname, int? taskid) async {
+  void sendNotification(
+      DateTime dtb, String taskname, bool isWait, DateTime entryTime) async {
     DateTime dateTime = DateTime.now();
     tz.initializeTimeZones();
     if (kDebugMode) {
@@ -90,13 +92,16 @@ class NotificationService {
     );
 
     // Generate a unique notification ID based on the scheduled time and task name
-    int notificationId = calculateNotificationId(dtb, taskname, taskid);
+    int notificationId =
+        calculateNotificationId(dtb, taskname, isWait, entryTime);
 
     await _flutterLocalNotificationsPlugin
         .zonedSchedule(
             notificationId,
             'Task Warrior Reminder',
-            'Hey! Your task of $taskname is still pending',
+            isWait
+                ? "Hey! Don't forget your task of $taskname"
+                : 'Hey! Your task of $taskname is still pending',
             scheduledAt,
             notificationDetails,
             uiLocalNotificationDateInterpretation:

lib/widgets/buildTasks.dart

@@ -192,14 +192,8 @@ class _TasksBuilderState extends State<TasksBuilder> {
                                       DateTime? dtb = task.due;
                                       dtb =
                                           dtb!.add(const Duration(minutes: 1));
-                                      NotificationService notificationService =
-                                          NotificationService();
-                                      //Task ID is set to null when creating the notification id.
-                                      int notificationId = notificationService
-                                          .calculateNotificationId(task.due!,
-                                              task.description, null);
-                                      notificationService
-                                          .cancelNotification(notificationId);
+
+                                      cancelNotification(task);
 
                                       if (kDebugMode) {
                                         print("Task due is $dtb");
@@ -229,14 +223,7 @@ class _TasksBuilderState extends State<TasksBuilder> {
                                           dtb!.add(const Duration(minutes: 1));
 
                                       //Task ID is set to null when creating the notification id.
-                                      NotificationService notificationService =
-                                          NotificationService();
-
-                                      int notificationId = notificationService
-                                          .calculateNotificationId(task.due!,
-                                              task.description, null);
-                                      notificationService
-                                          .cancelNotification(notificationId);
+                                      cancelNotification(task);
 
                                       if (kDebugMode) {
                                         print("Task due is $dtb");
@@ -301,4 +288,19 @@ class _TasksBuilderState extends State<TasksBuilder> {
                 ],
               ));
   }
+
+  void cancelNotification(Task task) {
+    //Task ID is set to null when creating the notification id.
+    NotificationService notificationService = NotificationService();
+
+    int notificationId = notificationService.calculateNotificationId(
+        task.due!, task.description, false, task.entry);
+    notificationService.cancelNotification(notificationId);
+
+    if (task.wait != null) {
+      notificationId = notificationService.calculateNotificationId(
+          task.wait!, task.description, true, task.entry);
+      notificationService.cancelNotification(notificationId);
+    }
+  }
 }