#1899, #1900, #1901 - Implement chat backup setting screens

ElementX/Sources/Services/SecureBackup/SecureBackupController.swift

@@ -0,0 +1,79 @@
+//
+// 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 Combine
+import Foundation
+
+class SecureBackupController: SecureBackupControllerProtocol {
+    private let recoveryKeyStateSubject = CurrentValueSubject<SecureBackupRecoveryKeyState, Never>(.disabled)
+    private let keyBackupStateSubject = CurrentValueSubject<SecureBackupKeyBackupState, Never>(.enabled)
+    
+    var recoveryKeyState: CurrentValuePublisher<SecureBackupRecoveryKeyState, Never> {
+        recoveryKeyStateSubject.asCurrentValuePublisher()
+    }
+    
+    var keyBackupState: CurrentValuePublisher<SecureBackupKeyBackupState, Never> {
+        keyBackupStateSubject.asCurrentValuePublisher()
+    }
+    
+    func enableBackup() async -> Result<Void, SecureBackupControllerError> {
+        keyBackupStateSubject.send(.enabling)
+        
+        try? await Task.sleep(for: .seconds(1))
+        
+        keyBackupStateSubject.send(.enabled)
+        
+        return .success(())
+    }
+    
+    func disableBackup() async -> Result<Void, SecureBackupControllerError> {
+        keyBackupStateSubject.send(.disabling)
+        
+        try? await Task.sleep(for: .seconds(1))
+        
+        keyBackupStateSubject.send(.disabled)
+        
+        return .success(())
+    }
+    
+    static var wohoo = 0
+    
+    func generateRecoveryKey() async -> Result<String, SecureBackupControllerError> {
+        recoveryKeyStateSubject.send(.settingUp)
+        
+        try? await Task.sleep(for: .seconds(1))
+        
+        if Self.wohoo > 0, Self.wohoo % 2 == 1 {
+            recoveryKeyStateSubject.send(.incomplete)
+        } else {
+            recoveryKeyStateSubject.send(.enabled)
+        }
+        
+        Self.wohoo += 1
+        
+        return .success(UUID().uuidString)
+    }
+    
+    func confirmRecoveryKey(_ key: String) async -> Result<Void, SecureBackupControllerError> {
+        recoveryKeyStateSubject.send(.settingUp)
+        
+        try? await Task.sleep(for: .seconds(1))
+        
+        recoveryKeyStateSubject.send(.enabled)
+        
+        return .success(())
+    }
+}