TF-2384 Handle NSE to get plain notification in iOS

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 364f32a14b9888f73a3a103b8b5e1bc9b31e148e)

ios/TwakeMailNSE/Utils/BundleExtension.swift

@@ -0,0 +1,16 @@
+import Foundation
+
+public extension Bundle {
+    /// The top-level bundle that contains the entire app.
+    static var app: Bundle {
+        var bundle = Bundle.main
+        if bundle.bundleURL.pathExtension == "appex" {
+            // Peel off two directory levels - MY_APP.app/PlugIns/MY_APP_EXTENSION.appex
+            let url = bundle.bundleURL.deletingLastPathComponent().deletingLastPathComponent()
+            if let otherBundle = Bundle(url: url) {
+                bundle = otherBundle
+            }
+        }
+        return bundle
+    }
+}

ios/TwakeMailNSE/Utils/InfoPlistReader.swift

@@ -0,0 +1,45 @@
+import Foundation
+
+struct InfoPlistReader {
+    private enum Keys {
+        static let baseBundleIdentifier = "baseBundleIdentifier"
+        static let keychainAccessGroupIdentifier = "keychainAccessGroupIdentifier"
+        static let bundleDisplayName = "CFBundleDisplayName"
+    }
+    
+    /// Info.plist reader on the bundle object that contains the current executable.
+    static let main = InfoPlistReader(bundle: .main)
+    
+    /// Info.plist reader on the bundle object that contains the main app executable.
+    static let app = InfoPlistReader(bundle: .app)
+
+    private let bundle: Bundle
+
+    /// Initializer
+    /// - Parameter bundle: bundle to read values from
+    init(bundle: Bundle) {
+        self.bundle = bundle
+    }
+
+    /// Base bundle identifier set in Info.plist of the target
+    var baseBundleIdentifier: String {
+        infoPlistValue(forKey: Keys.baseBundleIdentifier)
+    }
+
+    /// Keychain access group identifier set in Info.plist of the target
+    var keychainAccessGroupIdentifier: String {
+        infoPlistValue(forKey: Keys.keychainAccessGroupIdentifier)
+    }
+    
+    /// Bundle display name of the target
+    var bundleDisplayName: String {
+        infoPlistValue(forKey: Keys.bundleDisplayName)
+    }
+
+    private func infoPlistValue<T>(forKey key: String) -> T {
+        guard let result = bundle.object(forInfoDictionaryKey: key) as? T else {
+            fatalError("Add \(key) into your target's Info.plst")
+        }
+        return result
+    }
+}

ios/TwakeMailNSE/Utils/PayloadParser.swift

@@ -0,0 +1,37 @@
+import Foundation
+
+class PayloadParser {
+    static let shared: PayloadParser = PayloadParser()
+    
+    private let prefixState: String = ":"
+    
+    private func validatePushNotificationStateChange(state: String) -> Bool {
+        return state.contains(prefixState) &&
+        (state.contains(TypeName.mailbox.rawValue) ||
+         state.contains(TypeName.email.rawValue) ||
+         state.contains(TypeName.EmailDelivery.rawValue))
+    }
+    
+    func parsingPayloadNotification(payloadData: [String: Any]) -> [String: [TypeName: String]]{
+        var mapStateChanges = [String: [TypeName: String]]()
+        
+        payloadData.keys.forEach { key in
+            if validatePushNotificationStateChange(state: key),
+               let accountId = key.components(separatedBy: prefixState).first,
+               let typeName = TypeName(rawValue: key.components(separatedBy: prefixState).last ?? ""),
+               let stateValue = payloadData[key] as? String {
+                if (mapStateChanges.keys.contains(accountId)) {
+                    var mapTypes = mapStateChanges[accountId]!
+                    mapTypes[typeName] = stateValue
+                    mapStateChanges[accountId] = mapTypes
+                } else {
+                    var mapTypes = [TypeName: String]()
+                    mapTypes[typeName] = stateValue
+                    mapStateChanges[accountId] = mapTypes
+                }
+            }
+        }
+        
+        return mapStateChanges
+    }
+}