Refactor DeviceVerification prefix classes to KeyVerification where needed. And move key verification related classes into the same module KeyVerification.

Riot/Modules/KeyVerification/User/UserVerificationCoordinator.swift

@@ -0,0 +1,183 @@
+// File created from FlowTemplate
+// $ createRootCoordinator.sh UserVerification UserVerification
+/*
+ Copyright 2020 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
+
+@objcMembers
+final class UserVerificationCoordinator: NSObject, UserVerificationCoordinatorType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let presenter: Presentable
+    private let navigationRouter: NavigationRouterType
+    private let session: MXSession
+    private let userId: String
+    private let userDisplayName: String?
+    private var deviceId: String?
+    
+    // MARK: Public
+
+    // Must be used only internally
+    var childCoordinators: [Coordinator] = []
+    
+    weak var delegate: UserVerificationCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(presenter: Presentable, session: MXSession, userId: String, userDisplayName: String?) {
+        self.presenter = presenter
+        self.navigationRouter = NavigationRouter(navigationController: RiotNavigationController())
+        self.session = session
+        self.userId = userId
+        self.userDisplayName = userDisplayName
+    }
+    
+    convenience init(presenter: Presentable, session: MXSession, userId: String, userDisplayName: String?, deviceId: String) {
+        self.init(presenter: presenter, session: session, userId: userId, userDisplayName: userDisplayName)
+        self.deviceId = deviceId
+    }
+    
+    // MARK: - Public methods
+    
+    func start() {
+        // Do not start again if existing coordinators are presented
+        guard self.childCoordinators.isEmpty else {
+            return
+        }
+        
+        guard self.session.crypto.crossSigning.isBootstrapped else {
+            self.presentBootstrapNotSetup()
+            return
+        }
+        
+        let rootCoordinator: Coordinator & Presentable
+        
+        if let deviceId = self.deviceId {
+            rootCoordinator = self.createSessionStatusCoordinator(with: deviceId, for: self.userId, userDisplayName: self.userDisplayName)
+        } else {
+            rootCoordinator = self.createUserVerificationSessionsStatusCoordinator()
+        }
+        
+        rootCoordinator.start()
+
+        self.add(childCoordinator: rootCoordinator)
+        
+        self.navigationRouter.setRootModule(rootCoordinator, hideNavigationBar: true, animated: false, popCompletion: {
+            self.remove(childCoordinator: rootCoordinator)
+        })
+        
+        let rootViewController = self.navigationRouter.toPresentable()
+        rootViewController.modalPresentationStyle = .formSheet
+        
+        self.presenter.toPresentable().present(rootViewController, animated: true, completion: nil)
+    }
+    
+    func toPresentable() -> UIViewController {
+        return self.navigationRouter.toPresentable()
+    }
+    
+    // MARK: - Private methods
+    
+    private func createUserVerificationSessionsStatusCoordinator() -> UserVerificationSessionsStatusCoordinator {
+        let coordinator = UserVerificationSessionsStatusCoordinator(session: self.session, userId: self.userId)
+        coordinator.delegate = self
+        return coordinator
+    }
+    
+    private func createSessionStatusCoordinator(with deviceId: String, for userId: String, userDisplayName: String?) -> UserVerificationSessionStatusCoordinator {
+        let coordinator = UserVerificationSessionStatusCoordinator(session: self.session, userId: userId, userDisplayName: userDisplayName, deviceId: deviceId)
+        coordinator.delegate = self
+        return coordinator
+    }
+    
+    private func presentSessionStatus(with deviceId: String, for userId: String, userDisplayName: String?) {
+        let coordinator = self.createSessionStatusCoordinator(with: deviceId, for: userId, userDisplayName: userDisplayName)
+        coordinator.start()
+        
+        self.navigationRouter.push(coordinator, animated: true) {
+            self.remove(childCoordinator: coordinator)
+        }
+    }
+    
+    private func presentDeviceVerification(for deviceId: String) {
+        
+        let keyVerificationCoordinator = KeyVerificationCoordinator(navigationRouter: self.navigationRouter, session: self.session, userId: self.userId, otherDeviceId: deviceId)
+        keyVerificationCoordinator.delegate = self
+        keyVerificationCoordinator.start()
+        
+        self.add(childCoordinator: keyVerificationCoordinator)
+        
+        self.navigationRouter.push(keyVerificationCoordinator, animated: true, popCompletion: {
+            self.remove(childCoordinator: keyVerificationCoordinator)
+        })
+    }
+    
+    private func presentBootstrapNotSetup() {
+        let alert = UIAlertController(title: VectorL10n.keyVerificationBootstrapNotSetupTitle,
+                                      message: VectorL10n.keyVerificationBootstrapNotSetupMessage,
+                                      preferredStyle: .alert)
+        
+        let cancelAction = UIAlertAction(title: Bundle.mxk_localizedString(forKey: "ok"), style: .cancel, handler: { _ in
+        })
+        alert.addAction(cancelAction)
+        
+        self.presenter.toPresentable().present(alert, animated: true, completion: nil)        
+    }
+}
+
+// MARK: - UserVerificationSessionsStatusCoordinatorDelegate
+extension UserVerificationCoordinator: UserVerificationSessionsStatusCoordinatorDelegate {
+    func userVerificationSessionsStatusCoordinatorDidClose(_ coordinator: UserVerificationSessionsStatusCoordinatorType) {
+        
+        self.presenter.toPresentable().dismiss(animated: true) {
+            self.remove(childCoordinator: coordinator)
+        }
+    }
+    
+    func userVerificationSessionsStatusCoordinator(_ coordinator: UserVerificationSessionsStatusCoordinatorType, didSelectDeviceWithId deviceId: String, for userId: String) {
+        self.presentSessionStatus(with: deviceId, for: userId, userDisplayName: self.userDisplayName)
+    }
+}
+
+// MARK: - UserVerificationSessionStatusCoordinatorDelegate
+extension UserVerificationCoordinator: UserVerificationSessionStatusCoordinatorDelegate {
+    
+    func userVerificationSessionStatusCoordinator(_ coordinator: UserVerificationSessionStatusCoordinatorType, wantsToManuallyVerifyDeviceWithId deviceId: String, for userId: String) {
+        
+        self.presentDeviceVerification(for: deviceId)
+    }
+    
+    func userVerificationSessionStatusCoordinatorDidClose(_ coordinator: UserVerificationSessionStatusCoordinatorType) {
+        
+        self.presenter.toPresentable().dismiss(animated: true) {
+            self.remove(childCoordinator: coordinator)
+        }
+    }
+}
+
+// MARK: - UserVerificationCoordinatorDelegate
+extension UserVerificationCoordinator: KeyVerificationCoordinatorDelegate {
+    
+    func keyVerificationCoordinatorDidComplete(_ coordinator: KeyVerificationCoordinatorType, otherUserId: String, otherDeviceId: String) {
+        self.presenter.toPresentable().dismiss(animated: true) {
+            self.remove(childCoordinator: coordinator)
+        }
+    }
+}