Create a sign out alert presenter

2026-05-04 06:58:20 +02:00 · 2019-02-14 16:03:07 +01:00
parent 5863db147d
commit 66540207c1
2 changed files with 121 additions and 0 deletions
@@ -0,0 +1,109 @@
+/*
+ Copyright 2019 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 UIKit
+
+@objc protocol SignOutAlertPresenterDelegate: class {
+    func signOutAlertPresenterDidTapSignOutAction(_ presenter: SignOutAlertPresenter)
+    func signOutAlertPresenterDidTapBackupAction(_ presenter: SignOutAlertPresenter)
+}
+
+@objcMembers
+final class SignOutAlertPresenter: NSObject {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private weak var presentingViewController: UIViewController?
+    
+    // MARK: Public
+    
+    var isABackupExist: Bool = false
+    weak var delegate: SignOutAlertPresenterDelegate?
+    
+    // MARK: - Public
+    
+    func present(from viewController: UIViewController, animated: Bool) {
+        self.presentingViewController = viewController
+        
+        if self.isABackupExist {
+            self.presentExistingBackupAlert(animated: animated)
+        } else {
+            self.presentNonExistingBackupAlert(animated: animated)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func presentExistingBackupAlert(animated: Bool) {
+        let alertContoller = UIAlertController(title: VectorL10n.signOutExistingKeyBackupAlertTitle,
+                                               message: nil,
+                                               preferredStyle: .actionSheet)
+        
+        let signoutAction = UIAlertAction(title: VectorL10n.signOutExistingKeyBackupAlertSignOutAction, style: .destructive) { (_) in
+            self.delegate?.signOutAlertPresenterDidTapSignOutAction(self)
+        }
+        
+        let cancelAction = UIAlertAction(title: VectorL10n.cancel, style: .cancel, handler: nil)
+        
+        alertContoller.addAction(signoutAction)
+        alertContoller.addAction(cancelAction)
+        
+        self.presentingViewController?.present(alertContoller, animated: true, completion: nil)
+    }
+    
+    private func presentNonExistingBackupAlert(animated: Bool) {
+        let alertContoller = UIAlertController(title: VectorL10n.signOutNonExistingKeyBackupAlertTitle,
+                                               message: nil,
+                                               preferredStyle: .actionSheet)
+        
+        let doNotWantKeyBackupAction = UIAlertAction(title: VectorL10n.signOutNonExistingKeyBackupAlertDiscardKeyBackupAction, style: .destructive) { (_) in
+            self.presentNonExistingBackupSignOutConfirmationAlert(animated: true)
+        }
+        
+        let setUpKeyBackupAction = UIAlertAction(title: VectorL10n.signOutNonExistingKeyBackupAlertSetupKeyBackupAction, style: .default) { (_) in
+            self.delegate?.signOutAlertPresenterDidTapBackupAction(self)
+        }
+        
+        let cancelAction = UIAlertAction(title: VectorL10n.cancel, style: .cancel, handler: nil)
+        
+        alertContoller.addAction(doNotWantKeyBackupAction)
+        alertContoller.addAction(setUpKeyBackupAction)
+        alertContoller.addAction(cancelAction)
+        
+        self.presentingViewController?.present(alertContoller, animated: true, completion: nil)
+    }
+    
+    private func presentNonExistingBackupSignOutConfirmationAlert(animated: Bool) {
+        let alertContoller = UIAlertController(title: VectorL10n.signOutNonExistingKeyBackupSignOutConfirmationAlertTitle,
+                                               message: VectorL10n.signOutNonExistingKeyBackupSignOutConfirmationAlertMessage,
+                                               preferredStyle: .alert)
+        
+        let signOutAction = UIAlertAction(title: VectorL10n.signOutNonExistingKeyBackupSignOutConfirmationAlertSignOutAction, style: .destructive) { (_) in
+            self.delegate?.signOutAlertPresenterDidTapSignOutAction(self)
+        }
+        
+        let setUpKeyBackupAction = UIAlertAction(title: VectorL10n.signOutNonExistingKeyBackupSignOutConfirmationAlertBackupAction, style: .default) { (_) in
+            self.delegate?.signOutAlertPresenterDidTapBackupAction(self)
+        }
+        
+        alertContoller.addAction(signOutAction)
+        alertContoller.addAction(setUpKeyBackupAction)
+        
+        self.presentingViewController?.present(alertContoller, animated: true, completion: nil)
+    }
+}