feat: register notifications (notepush)

android/app/build.gradle.kts

@@ -85,6 +85,7 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
     }
@@ -111,3 +112,7 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}

android/app/src/main/AndroidManifest.xml

@@ -53,4 +53,10 @@
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
+    <meta-data
+        android:name="firebase_messaging_auto_init_enabled"
+        android:value="false" />
+    <meta-data
+        android:name="firebase_analytics_collection_enabled"
+        android:value="false" />
 </manifest>

lib/const.dart

@@ -1,6 +1,7 @@
 import 'package:amberflutter/amberflutter.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:ndk/ndk.dart';
 import 'package:ndk_amber/ndk_amber.dart';
 import 'package:ndk_objectbox/ndk_objectbox.dart';
@@ -38,6 +39,7 @@ const searchRelays = ["wss://relay.nostr.band", "wss://search.nos.today"];
 final loginData = LoginData();
 final RouteObserver<ModalRoute<void>> routeObserver =
     RouteObserver<ModalRoute<void>>();
+final localNotifications = FlutterLocalNotificationsPlugin();
 
 Future<void> initLogin() async {
   // reload / cache login data

lib/main.dart

@@ -1,8 +1,11 @@
+import 'dart:developer' as developer;
+
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'package:zap_stream_flutter/app.dart';
 import 'package:zap_stream_flutter/const.dart';
 import 'package:zap_stream_flutter/i18n/strings.g.dart';
+import 'package:zap_stream_flutter/notifications.dart';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -10,5 +13,9 @@ Future<void> main() async {
   await Firebase.initializeApp();
   await initLogin();
 
+  setupNotifications().catchError((e) {
+    developer.log("Failed to setup notifications: $e");
+  });
+
   runZapStream();
 }

lib/notifications.dart

@@ -0,0 +1,103 @@
+import 'dart:developer' as developer;
+import 'dart:io';
+
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:ndk/ndk.dart';
+import 'package:zap_stream_flutter/const.dart';
+import 'package:http/http.dart' as http;
+
+class Notepush {
+  final String base;
+  final EventSigner signer;
+
+  Notepush(this.base, {required this.signer});
+
+  Future<String> register(String token) async {
+    final pubkey = signer.getPublicKey();
+    final url =
+        "$base/user-info/$pubkey/${Uri.encodeComponent(token)}?backend=fcm";
+    developer.log(url);
+    final auth = await _makeAuth("PUT", url);
+    final rsp = await http.put(
+      Uri.parse(url),
+      headers: {
+        "authorization": "Nostr $auth",
+        "accept": "application/json",
+        "content-type": "application/json",
+      },
+    );
+    developer.log(rsp.body);
+    return rsp.body;
+  }
+
+  Future<String> _makeAuth(String method, String url) async {
+    final pubkey = signer.getPublicKey();
+    final authEvent = Nip01Event(
+      pubKey: pubkey,
+      kind: 27235,
+      tags: [
+        ["u", url],
+        ["method", "PUT"],
+      ],
+      content: "",
+    );
+    await signer.sign(authEvent);
+    return authEvent.toBase64();
+  }
+}
+
+Future<void> setupNotifications() async {
+  final signer = ndk.accounts.getLoggedAccount()?.signer;
+  if (signer != null) {
+    final pusher = Notepush("http://10.0.2.2:8000", signer: signer);
+    final fbase = FirebaseMessaging.instance;
+    FirebaseMessaging.onMessage.listen((msg) {
+      developer.log(msg.notification?.body ?? "");
+      final notification = msg.notification;
+      if (notification != null && notification.android != null) {
+        /*FlutterLocalNotificationsPlugin().show(
+          notification.hashCode,
+          notification.title,
+          notification.body,
+          NotificationDetails(
+            android: AndroidNotificationDetails(
+              notification.android!.channelId ?? "fcm",
+              "fcm",
+            ),
+          ),
+        );*/
+        // TODO: foreground notification
+      }
+    });
+    await fbase.setAutoInitEnabled(true);
+    await fbase.setForegroundNotificationPresentationOptions(
+      alert: true,
+      badge: true,
+      sound: true,
+    );
+    await fbase.requestPermission(provisional: true);
+
+    await localNotifications.initialize(
+      InitializationSettings(
+        android: AndroidInitializationSettings("@mipmap/ic_launcher"),
+      ),
+    );
+    fbase.onTokenRefresh.listen((token) async {
+      developer.log("NEW TOKEN: $token");
+      await pusher.register(token);
+    });
+
+    if (Platform.isIOS) {
+      final apnsToken = await FirebaseMessaging.instance.getAPNSToken();
+      if (apnsToken == null) {
+        throw "APNS token not availble";
+      }
+    }
+    final fcmToken = await FirebaseMessaging.instance.getToken();
+    if (fcmToken == null) {
+      throw "Push token is null";
+    }
+    await pusher.register(fcmToken);
+  }
+}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -9,6 +9,7 @@ import emoji_picker_flutter
 import file_selector_macos
 import firebase_core
 import firebase_messaging
+import flutter_local_notifications
 import flutter_secure_storage_macos
 import objectbox_flutter_libs
 import package_info_plus
@@ -25,6 +26,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
   FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
   FLTFirebaseMessagingPlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseMessagingPlugin"))
+  FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   ObjectboxFlutterLibsPlugin.register(with: registry.registrar(forPlugin: "ObjectboxFlutterLibsPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))

pubspec.lock

@@ -374,6 +374,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: b94a50aabbe56ef254f95f3be75640f99120429f0a153b2dc30143cffc9bfdf3
+      url: "https://pub.dev"
+    source: hosted
+    version: "19.2.1"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: e3c277b2daab8e36ac5a6820536668d07e83851aeeb79c446e525a70710770a5
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.0"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "2569b973fc9d1f63a37410a9f7c1c552081226c597190cb359ef5d5762d1631c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.0.0"
+  flutter_local_notifications_windows:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_windows
+      sha256: f8fc0652a601f83419d623c85723a3e82ad81f92b33eaa9bcc21ea1b94773e6e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -494,7 +526,7 @@ packages:
     source: hosted
     version: "0.15.6"
   http:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http
       sha256: "2c11f3f94c687ee9bad77c171151672986360b2b001d109814ee7140b2cf261b"
@@ -1095,6 +1127,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.4"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      sha256: dd14a3b83cfd7cb19e7888f1cbc20f258b8d71b54c06f79ac585f14093a287d1
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.1"
   typed_data:
     dependency: transitive
     description:

pubspec.yaml

@@ -41,6 +41,8 @@ dependencies:
     sdk: flutter
   firebase_core: ^3.13.1
   firebase_messaging: ^15.2.6
+  http: ^1.4.0
+  flutter_local_notifications: ^19.2.1
 
 dependency_overrides:
   ndk:

windows/flutter/generated_plugins.cmake

@@ -13,6 +13,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  flutter_local_notifications_windows
   rust_lib_ndk
 )