Device Verification: Add a view model to DeviceVerificationDataLoadingViewController

Riot/Modules/DeviceVerification/Loading/DeviceVerificationDataLoadingCoordinator.swift

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+// File created from ScreenTemplate
+// $ createScreen.sh DeviceVerification/Loading DeviceVerificationDataLoading
+/*
+ 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 Foundation
+import UIKit
+
+final class DeviceVerificationDataLoadingCoordinator: DeviceVerificationDataLoadingCoordinatorType {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    private let session: MXSession
+    private var deviceVerificationDataLoadingViewModel: DeviceVerificationDataLoadingViewModelType
+    private let deviceVerificationDataLoadingViewController: DeviceVerificationDataLoadingViewController
+    
+    // MARK: Public
+
+    // Must be used only internally
+    var childCoordinators: [Coordinator] = []
+    
+    weak var delegate: DeviceVerificationDataLoadingCoordinatorDelegate?
+    
+    // MARK: - Setup
+    
+    init(session: MXSession, otherUserId: String, otherDeviceId: String) {
+        self.session = session
+        
+        let deviceVerificationDataLoadingViewModel = DeviceVerificationDataLoadingViewModel(session: self.session, otherUserId: otherUserId, otherDeviceId: otherDeviceId)
+        let deviceVerificationDataLoadingViewController = DeviceVerificationDataLoadingViewController.instantiate(with: deviceVerificationDataLoadingViewModel)
+        self.deviceVerificationDataLoadingViewModel = deviceVerificationDataLoadingViewModel
+        self.deviceVerificationDataLoadingViewController = deviceVerificationDataLoadingViewController
+    }
+    
+    // MARK: - Public methods
+    
+    func start() {            
+        self.deviceVerificationDataLoadingViewModel.coordinatorDelegate = self
+    }
+    
+    func toPresentable() -> UIViewController {
+        return self.deviceVerificationDataLoadingViewController
+    }
+}
+
+// MARK: - DeviceVerificationDataLoadingViewModelCoordinatorDelegate
+extension DeviceVerificationDataLoadingCoordinator: DeviceVerificationDataLoadingViewModelCoordinatorDelegate {
+    func deviceVerificationDataLoadingViewModel(_ viewModel: DeviceVerificationDataLoadingViewModelType, didLoadUser user: MXUser, device: MXDeviceInfo) {
+        self.delegate?.deviceVerificationDataLoadingCoordinator(self, didLoadUser: user, device: device)
+    }
+
+    func deviceVerificationDataLoadingViewModelDidCancel(_ viewModel: DeviceVerificationDataLoadingViewModelType) {
+        self.delegate?.deviceVerificationDataLoadingCoordinatorDidCancel(self)
+    }
+}