add notification

filcnaplo/lib/helpers/notification_helper.dart

@@ -0,0 +1,59 @@
+import 'dart:math';
+import 'dart:ui';
+
+import 'package:filcnaplo/api/providers/database_provider.dart';
+import 'package:filcnaplo/api/providers/status_provider.dart';
+import 'package:filcnaplo/api/providers/user_provider.dart';
+import 'package:filcnaplo/database/init.dart';
+import 'package:filcnaplo/models/settings.dart';
+import 'package:filcnaplo/helpers/notification_helper.i18n.dart';
+import 'package:filcnaplo/theme/colors/accent.dart';
+import 'package:filcnaplo_kreta_api/client/client.dart';
+import 'package:filcnaplo_kreta_api/models/category.dart';
+import 'package:filcnaplo_kreta_api/models/grade.dart';
+import 'package:filcnaplo_kreta_api/models/subject.dart';
+import 'package:filcnaplo_kreta_api/providers/grade_provider.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class NotificationsHelper {
+  void backgroundJob() async {
+    FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+        FlutterLocalNotificationsPlugin();
+    DatabaseProvider database = DatabaseProvider();
+    var db = await initDB(database);
+    await database.init();
+    SettingsProvider settingsProvider =
+        await database.query.getSettings(database);
+    UserProvider userProvider = await database.query.getUsers(settingsProvider);
+    final status = StatusProvider();
+    final kretaClient = KretaClient(
+        user: userProvider, settings: settingsProvider, status: status);
+    kretaClient.refreshLogin();
+    GradeProvider gradeProvider = GradeProvider(
+        settings: settingsProvider,
+        user: userProvider,
+        database: database,
+        kreta: kretaClient);
+    gradeProvider.fetch();
+    List<Grade> grades =
+        await database.userQuery.getGrades(userId: userProvider.id ?? "");
+    DateTime lastSeenGrade =
+        await database.userQuery.lastSeenGrade(userId: userProvider.id ?? "");
+    for (Grade grade in grades) {
+      if (grade.seenDate.isAfter(lastSeenGrade)) {
+        const AndroidNotificationDetails androidNotificationDetails =
+            AndroidNotificationDetails('GRADES', 'Jegyek',
+                channelDescription: 'Értesítés jegyek beírásakor',
+                importance: Importance.max,
+                priority: Priority.max,
+                color: const Color(0xFF3D7BF4),
+                ticker: 'ticker');
+        const NotificationDetails notificationDetails =
+            NotificationDetails(android: androidNotificationDetails);
+        await flutterLocalNotificationsPlugin.show(
+            Random().nextInt(432234*2), "title".i18n, "body".i18n.fill([grade.value.value.toString(), grade.subject.name.toString()]), notificationDetails);
+            
+      }
+    }
+  }
+}

filcnaplo/lib/helpers/notification_helper.i18n.dart

@@ -0,0 +1,24 @@
+import 'package:i18n_extension/i18n_extension.dart';
+
+extension Localization on String {
+  static final _t = Translations.byLocale("hu_hu") +
+      {
+        "en_en": {
+          "title": "New grade",
+          "body": "You got a %s in %s"
+        },
+        "hu_hu": {
+          "title": "Új jegy",
+          "body": "%s-st kaptál %s tantárgyból"
+        },
+        "de_de": {
+          "title": "Neue Note",
+          "body": "Du hast eine %s in %s"
+        },
+      };
+
+  String get i18n => localize(this, _t);
+  String fill(List<Object> params) => localizeFill(this, params);
+  String plural(int value) => localizePlural(value, this, _t);
+  String version(Object modifier) => localizeVersion(modifier, this, _t);
+}

filcnaplo/lib/main.dart

@@ -2,13 +2,16 @@ import 'package:background_fetch/background_fetch.dart';
 import 'package:filcnaplo/api/providers/user_provider.dart';
 import 'package:filcnaplo/api/providers/database_provider.dart';
 import 'package:filcnaplo/database/init.dart';
+import 'package:filcnaplo/helpers/notification_helper.dart';
 import 'package:filcnaplo/models/settings.dart';
+import 'package:filcnaplo_kreta_api/client/client.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:filcnaplo/app.dart';
 import 'package:flutter/services.dart';
 import 'package:filcnaplo_mobile_ui/screens/error_screen.dart';
 import 'package:filcnaplo_mobile_ui/screens/error_report_screen.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 
 void main() async {
   // Initalize
@@ -43,6 +46,53 @@ class Startup {
     await database.init();
     settings = await database.query.getSettings(database);
     user = await database.query.getUsers(settings);
+
+    // Notifications setup
+    initPlatformState();
+    FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+        FlutterLocalNotificationsPlugin();
+
+    // Get permission to show notifications
+    flutterLocalNotificationsPlugin
+        .resolvePlatformSpecificImplementation<
+            AndroidFlutterLocalNotificationsPlugin>()!
+        .requestPermission();
+    await flutterLocalNotificationsPlugin
+    .resolvePlatformSpecificImplementation<
+        IOSFlutterLocalNotificationsPlugin>()
+    ?.requestPermissions(
+    alert: false,
+    badge: true,
+    sound: true,
+    );
+    await flutterLocalNotificationsPlugin
+    .resolvePlatformSpecificImplementation<
+        MacOSFlutterLocalNotificationsPlugin>()
+    ?.requestPermissions(
+    alert: false,
+    badge: true,
+    sound: true,
+    );
+
+    // Platform specific settings
+    final DarwinInitializationSettings initializationSettingsDarwin =
+      DarwinInitializationSettings(
+    requestSoundPermission: true,
+    requestBadgePermission: true,
+    requestAlertPermission: false,
+  );
+    const AndroidInitializationSettings initializationSettingsAndroid =
+      AndroidInitializationSettings('ic_notification');
+    final InitializationSettings initializationSettings = InitializationSettings(
+    android: initializationSettingsAndroid,
+    iOS: initializationSettingsDarwin,
+    macOS: initializationSettingsDarwin
+  );
+
+  // Initialize notifications
+  await flutterLocalNotificationsPlugin.initialize(
+    initializationSettings,
+  );
   }
 }
 
@@ -71,9 +121,38 @@ Widget errorBuilder(FlutterErrorDetails details) {
     return Container();
   });
 }
+// Platform messages are asynchronous, so we initialize in an async method.
+  Future<void> initPlatformState() async {
+    // Configure BackgroundFetch.
+    int status = await BackgroundFetch.configure(BackgroundFetchConfig(
+        minimumFetchInterval: 15,
+        stopOnTerminate: false,
+        enableHeadless: true,
+        requiresBatteryNotLow: false,
+        requiresCharging: false,
+        requiresStorageNotLow: false,
+        requiresDeviceIdle: false,
+        requiredNetworkType: NetworkType.ANY
+    ), (String taskId) async {  // <-- Event handler
+      // This is the fetch-event callback.
+      print("[BackgroundFetch] Event received $taskId");
+      NotificationsHelper().backgroundJob();
+     
+      // IMPORTANT:  You must signal completion of your task or the OS can punish your app
+      // for taking too long in the background.
+      BackgroundFetch.finish(taskId);
+    }, (String taskId) async {  // <-- Task timeout handler.
+      // This task has exceeded its allowed running-time.  You must stop what you're doing and immediately .finish(taskId)
+      print("[BackgroundFetch] TASK TIMEOUT taskId: $taskId");
+      BackgroundFetch.finish(taskId);
+    });
+    print('[BackgroundFetch] configure success: $status');
+       
+  }
 
 @pragma('vm:entry-point')
 void backgroundHeadlessTask(HeadlessTask task) {
   print('[BackgroundFetch] Headless event received.');
+  NotificationsHelper().backgroundJob();
   BackgroundFetch.finish(task.taskId);
 }