Two sync loop experimental solution to decrypt push notifications (#1082)

* Experimental two sync loop solution

* better logging

* improved the code and handled invite notifications display better

* improved invite notifications

* new exerimental branch

* new sync loop

* code updated

* code improvements

* code improvements

* fix typo

* code improvements

* removed some unused code and added a respawn

* fixing some NSE issues

* code improvements

* new version of the branch

* more logging

* running the nse process ONLY IF necessary

* finally works! made also the feature flag

* also the encryption value of the room list api will depend on the flag now

* changelog

* code improvements

* code improvement

* updated proj

* fixing some compilation error after the rebase

* opt-in for the encryption sync

* fix

ElementX/Sources/Services/Notification/Proxy/EncryptionSyncListenerProxy.swift

@@ -0,0 +1,31 @@
+//
+// Copyright 2023 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+import MatrixRustSDK
+
+final class EncryptionSyncListenerProxy: EncryptionSyncListener {
+    private let didTerminateClosure: (EncryptionSyncTerminationReason) -> Void
+
+    init(_ didTerminateClosure: @escaping (EncryptionSyncTerminationReason) -> Void) {
+        self.didTerminateClosure = didTerminateClosure
+    }
+
+    func didTerminate(reason: EncryptionSyncTerminationReason) {
+        didTerminateClosure(reason)
+    }
+}

ElementX/Sources/Services/Notification/Proxy/NotificationItemProxy.swift

@@ -48,17 +48,6 @@ protocol NotificationItemProxyProtocol {
     var isEncrypted: Bool { get }
 }
 
-extension NotificationItemProxyProtocol {
-    var id: String? {
-        let identifiers = receiverID + roomID + event.eventID
-        guard let data = identifiers.data(using: .utf8) else {
-            return nil
-        }
-        let digest = SHA256.hash(data: data)
-        return digest.compactMap { String(format: "%02x", $0) }.joined()
-    }
-}
-
 struct NotificationItemProxy: NotificationItemProxyProtocol {
     let notificationItem: NotificationItem
     let receiverID: String
@@ -168,7 +157,6 @@ extension NotificationItemProxyProtocol {
         notification.receiverID = receiverID
         notification.roomID = roomID
         notification.eventID = event.eventID
-        notification.notificationID = id
         notification.sound = isNoisy ? UNNotificationSound(named: UNNotificationSoundName(rawValue: "message.caf")) : nil
         // So that the UI groups notification that are received for the same room but also for the same user
         notification.threadIdentifier = "\(receiverID)\(roomID)"