Add MVVM-C for InfoSheet

RiotSwiftUI/Modules/Common/InfoSheet/InfoSheetViewModel.swift

@@ -0,0 +1,36 @@
+//
+// 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 InfoSheetViewModelType = StateStoreViewModel<InfoSheetViewState, InfoSheetViewAction>
+
+class InfoSheetViewModel: InfoSheetViewModelType, InfoSheetViewModelProtocol {
+    var completion: ((InfoSheetViewModelResult) -> Void)?
+
+    init(title: String, description: String, action: InfoSheet.Action) {
+        super.init(initialViewState: InfoSheetViewState(title: title, description: description, action: action))
+    }
+
+    // MARK: - Public
+
+    override func process(viewAction: InfoSheetViewAction) {
+        switch viewAction {
+        case .actionTriggered:
+            completion?(.actionTriggered)
+        }
+    }
+}