Session overview screen

RiotSwiftUI/Modules/UserSessions/UserSessionOverview/UserSessionOverviewViewModel.swift

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+//
+// Copyright 2021 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 SwiftUI
+
+typealias UserSessionOverviewViewModelType = StateStoreViewModel<UserSessionOverviewViewState,
+                                                                 Never,
+                                                                 UserSessionOverviewViewAction>
+
+class UserSessionOverviewViewModel: UserSessionOverviewViewModelType, UserSessionOverviewViewModelProtocol {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    private let userSessionInfo: UserSessionInfo
+    // MARK: Public
+    
+    var completion: ((UserSessionOverviewViewModelResult) -> Void)?
+    
+    // MARK: - Setup
+    
+    init(userSessionInfo: UserSessionInfo, isCurrentSession: Bool) {
+        self.userSessionInfo = userSessionInfo
+        
+        let cardViewData = UserSessionCardViewData(userSessionInfo: userSessionInfo, isCurrentSessionDisplayMode: isCurrentSession)
+        let state = UserSessionOverviewViewState(cardViewData: cardViewData, isCurrentSession: isCurrentSession)
+        super.init(initialViewState: state)
+    }
+    
+    // MARK: - Public
+    
+    override func process(viewAction: UserSessionOverviewViewAction) {
+        switch viewAction {
+        case .verifyCurrentSession:
+            completion?(.verifyCurrentSession)
+        case .viewSessionDetails:
+            completion?(.showCurrentSessionDetails(sessionInfo: userSessionInfo))
+        }
+    }
+}