MESSENGER-5706 change appearance and use wellknown

bwi/Wellknown/Wellknown+Bwi.swift

@@ -112,4 +112,22 @@ public extension MXWellKnown {
             return nil
         }
     }
+    
+    @objc func shouldShowFederationAnnouncement() -> Bool {
+        do {
+            guard let bwiDict = self.jsonDictionary()["de.bwi"] as? [String : Any] else {
+                return false
+            }
+            
+            let bwi = try WellknownBWI(dict: bwiDict)
+            if let federation = bwi.federation {
+                return federation.showAnnouncement ?? false
+            } else {
+              return false
+            }
+        }
+        catch {
+            return false
+        }
+    }
 }

bwi/Wellknown/WellknownBWI.swift

@@ -20,6 +20,7 @@ import Foundation
 struct WellknownBWI {
     let dataPrivacyURL: String?
     let imprintURL: String?
+    let federation: WellknownFederation?
     
     init(dict: [String: Any]) throws {
         let jsonData = try JSONSerialization.data(withJSONObject: dict, options: [])
@@ -32,5 +33,6 @@ extension WellknownBWI: Decodable {
     enum CodingKeys: String, CodingKey {
         case dataPrivacyURL = "data_privacy_url"
         case imprintURL = "imprint_url"
+        case federation = "federation"
     }
 }

bwi/Wellknown/WellknownFederation.swift

@@ -0,0 +1,42 @@
+//
+/*
+ * Copyright (c) 2024 BWI GmbH
+ *
+ * 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
+struct WellknownFederation {
+    /// show federation announcement
+    let showAnnouncement: Bool?
+    
+    /// show federation tutorial (3 screens)
+    let showIntroduction: Bool
+    
+    /// enables the federation feature for the app - show federation views, activate invitation rules, show federation settings
+    let enable: Bool
+    
+    init(dict: [String: Any]) throws {
+        let jsonData = try JSONSerialization.data(withJSONObject: dict, options: [])
+        let decoder = JSONDecoder()
+        self = try decoder.decode(Self.self, from: jsonData)
+    }
+}
+
+extension WellknownFederation: Decodable {
+    enum CodingKeys: String, CodingKey {
+        case showAnnouncement = "show_announcement"
+        case showIntroduction = "show_introduction"
+        case enable = "enable"
+    }
+}