fix #141

ios/NotificationService/NotificationService.swift

@@ -28,11 +28,16 @@ class NotificationService: UNNotificationServiceExtension {
             let data = getPushNotificationData(pushDataJson: push_data)
             
             if data != nil {
+                if data!.title == "blocked" {
+                    NSLog("Block message because user is blocked!")
+                    // https://developer.apple.com/documentation/bundleresources/entitlements/com.apple.developer.usernotifications.filtering
+                    return contentHandler(UNNotificationContent())
+                }
                 bestAttemptContent.title = data!.title;
                 bestAttemptContent.body = data!.body;
                 bestAttemptContent.threadIdentifier = String(format: "%d", data!.notificationId)
             } else {
-                bestAttemptContent.title = "\(bestAttemptContent.title) [10]"
+                bestAttemptContent.title = "\(bestAttemptContent.title)"
             }
             
             contentHandler(bestAttemptContent)
@@ -81,6 +86,7 @@ func getPushNotificationData(pushDataJson: String) -> (title: String, body: Stri
     var pushKind: PushKind?
     var displayName: String?
     var fromUserId: Int?
+    var blocked: Bool?
 
     // Check the keyId
     if pushData.keyId == 0 {
@@ -96,6 +102,7 @@ func getPushNotificationData(pushDataJson: String) -> (title: String, body: Stri
                         if pushKind != nil {
                             displayName = userKeys.displayName
                             fromUserId = userId
+                            blocked = userKeys.blocked
                             break
                         }
                     }
@@ -108,6 +115,10 @@ func getPushNotificationData(pushDataJson: String) -> (title: String, body: Stri
         }
     }
     
+    if blocked == true {
+        return ("blocked", "blocked", 0)
+    }
+
     // Handle the push notification based on the pushKind
     if let pushKind = pushKind {
         
@@ -259,17 +270,19 @@ struct PushKeyMeta: Codable {
 struct PushUser: Codable {
     let displayName: String
     let keys: [PushKeyMeta]
+    let blocked: Bool?
     
     enum CodingKeys: String, CodingKey {
         case displayName
         case keys
+        case blocked
     }
 }
 
 func getPushKey() -> [Int: PushUser]? {
     // Retrieve the data from secure storage (Keychain)
     guard let data = readFromKeychain(key: "receivingPushKeys") else {
-        print("No data found for key: receivingPushKeys")
+        NSLog("No data found for key: receivingPushKeys")
         return nil
     }
     
@@ -290,7 +303,7 @@ func getPushKey() -> [Int: PushUser]? {
         
         return pushKeys
     } catch {
-        print("Error decoding JSON: \(error)")
+        NSLog("Error decoding JSON: \(error)")
         return nil
     }
 }

lib/src/database/daos/contacts_dao.dart

@@ -1,6 +1,7 @@
 import 'package:drift/drift.dart';
 import 'package:twonly/src/database/tables/contacts_table.dart';
 import 'package:twonly/src/database/twonly_database.dart';
+import 'package:twonly/src/services/notification.service.dart';
 
 part 'contacts_dao.g.dart';
 
@@ -97,9 +98,17 @@ class ContactsDao extends DatabaseAccessor<TwonlyDatabase>
     return (delete(contacts)..where((t) => t.userId.equals(userId))).go();
   }
 
-  Future updateContact(int userId, ContactsCompanion updatedValues) {
+  Future updateContact(int userId, ContactsCompanion updatedValues) async {
-    return (update(contacts)..where((c) => c.userId.equals(userId)))
+    await ((update(contacts)..where((c) => c.userId.equals(userId)))
-        .write(updatedValues);
+        .write(updatedValues));
+    if (updatedValues.blocked.present ||
+        updatedValues.displayName.present ||
+        updatedValues.nickName.present) {
+      final contact = await getContactByUserId(userId).getSingleOrNull();
+      if (contact != null) {
+        await updatePushUser(contact);
+      }
+    }
   }
 
   Future newMessageExchange(int userId) {

lib/src/services/notification.service.dart

@@ -16,13 +16,16 @@ import 'package:twonly/src/database/tables/messages_table.dart';
 import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/model/json/message.dart' as my;
 import 'package:twonly/src/services/api/messages.dart';
+import 'package:twonly/src/utils/log.dart';
 
 class PushUser {
   String displayName;
+  bool blocked;
   List<PushKeyMeta> keys;
 
   PushUser({
     required this.displayName,
+    required this.blocked,
     required this.keys,
   });
 
@@ -30,6 +33,7 @@ class PushUser {
   factory PushUser.fromJson(Map<String, dynamic> json) {
     return PushUser(
       displayName: json['displayName'],
+      blocked: json['blocked'] ?? false,
       keys: (json['keys'] as List)
           .map((keyJson) => PushKeyMeta.fromJson(keyJson))
           .toList(),
@@ -40,6 +44,7 @@ class PushUser {
   Map<String, dynamic> toJson() {
     return {
       'displayName': displayName,
+      'blocked': blocked,
       'keys': keys.map((key) => key.toJson()).toList(),
     };
   }
@@ -111,6 +116,7 @@ Future setupNotificationWithUsers({bool force = false}) async {
       await sendNewPushKey(contact.userId, pushKey);
       final pushUser = PushUser(
         displayName: getContactDisplayName(contact),
+        blocked: contact.blocked,
         keys: [pushKey],
       );
       pushKeys[contact.userId] = pushUser;
@@ -135,11 +141,29 @@ Future sendNewPushKey(int userId, PushKeyMeta pushKey) async {
   );
 }
 
+Future updatePushUser(Contact contact) async {
+  var receivingPushKeys = await getPushKeys("receivingPushKeys");
+
+  if (receivingPushKeys[contact.userId] == null) {
+    receivingPushKeys[contact.userId] = PushUser(
+      displayName: getContactDisplayName(contact),
+      keys: [],
+      blocked: contact.blocked,
+    );
+  } else {
+    receivingPushKeys[contact.userId]!.displayName =
+        getContactDisplayName(contact);
+    receivingPushKeys[contact.userId]!.blocked = contact.blocked;
+  }
+
+  await setPushKeys("receivingPushKeys", receivingPushKeys);
+}
+
 Future handleNewPushKey(int fromUserId, my.PushKeyContent pushKey) async {
   var pushKeys = await getPushKeys("sendingPushKeys");
 
   if (pushKeys[fromUserId] == null) {
-    pushKeys[fromUserId] = PushUser(displayName: "-", keys: []);
+    pushKeys[fromUserId] = PushUser(displayName: "-", keys: [], blocked: false);
   }
 
   // only store the newest key...
@@ -355,7 +379,14 @@ Future setPushKeys(String storageKey, Map<int, PushUser> pushKeys) async {
     jsonToSend[key.toString()] = value.toJson();
   });
 
-  await storage.delete(key: storageKey);
+  await storage.delete(
+    key: storageKey,
+    iOptions: IOSOptions(
+      groupId: "CN332ZUGRP.eu.twonly.shared",
+      synchronizable: false,
+      accessibility: KeychainAccessibility.first_unlock,
+    ),
+  );
 
   String jsonString = jsonEncode(jsonToSend);
   await storage.write(
@@ -433,6 +464,12 @@ Future showLocalPushNotification(
 
   if (user == null) return;
 
+  // do not show notification for blocked users...
+  if (user.blocked) {
+    Log.info("Blocked a message from a blocked user!");
+    return;
+  }
+
   title = getContactDisplayName(user);
   body = getPushNotificationText(pushKind);
   if (body == "") {

lib/src/views/settings/notification.view.dart

@@ -33,8 +33,11 @@ class NotificationView extends StatelessWidget {
 
               if (storedToken == null) {
                 final platform = Platform.isAndroid ? "Google's" : "Apple's";
-                showAlertDialog(context, "Problem detected",
+                showAlertDialog(
-                    "twonly is not able to register your app to $platform push server infrastrukture. For Android that can happen when you do not have the Google Play Services installed. If you theses installed and want to help us to fix the issue please send us your debug log in Settings > Help > Debug log.");
+                  context,
+                  "Problem detected",
+                  "twonly is not able to register your app to $platform push server infrastructure. For Android that can happen when you do not have the Google Play Services installed. If you theses installed and want to help us to fix the issue please send us your debug log in Settings > Help > Debug log.",
+                );
               } else {
                 final run = await showAlertDialog(
                     context,