[iOS] Create public space #143

- Initial space creation flow

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationMenu/ViewModel/SpaceCreationMenuViewModel.swift

@@ -0,0 +1,89 @@
+// File created from TemplateAdvancedRoomsExample
+// $ createSwiftUITwoScreen.sh Spaces/SpaceCreation SpaceCreation SpaceCreationMenu SpaceCreationSettings
+// 
+// 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
+import Combine
+    
+@available(iOS 14, *)
+typealias SpaceCreationMenuViewModelType = StateStoreViewModel<SpaceCreationMenuViewState,
+                                                              SpaceCreationMenuStateAction,
+                                                              SpaceCreationMenuViewAction>
+@available(iOS 14.0, *)
+class SpaceCreationMenuViewModel: SpaceCreationMenuViewModelType, SpaceCreationMenuViewModelProtocol {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+
+    let creationParams: SpaceCreationParameters
+    
+    // MARK: Public
+    
+    var callback: ((SpaceCreationMenuViewModelAction) -> Void)?
+    
+    // MARK: - Setup
+    
+    init(navTitle: String?, creationParams: SpaceCreationParameters, title: String, detail: String, options: [SpaceCreationMenuRoomOption]) {
+        self.creationParams = creationParams
+        
+        super.init(initialViewState: SpaceCreationMenuViewModel.defaultState(navTitle: navTitle, creationParams: creationParams, title: title, detail: detail, options: options))
+    }
+    
+    private static func defaultState(navTitle: String?, creationParams: SpaceCreationParameters, title: String, detail: String, options: [SpaceCreationMenuRoomOption]) -> SpaceCreationMenuViewState {
+        var navigationTitle: String = ""
+        if let navTitle = navTitle {
+            navigationTitle = navTitle
+        } else {
+            navigationTitle = creationParams.isPublic ? VectorL10n.spacesCreationPublicSpaceTitle : VectorL10n.spacesCreationPrivateSpaceTitle
+        }
+        
+        return SpaceCreationMenuViewState(navTitle: navigationTitle, title: title, detail: detail, options: options)
+    }
+    
+    // MARK: - Public
+    
+    override func process(viewAction: SpaceCreationMenuViewAction) {
+        switch viewAction {
+        case .didSelectOption(let optionId):
+            switch optionId {
+            case .publicSpace:
+                self.creationParams.isPublic = true
+            case .privateSpace:
+                self.creationParams.isPublic = false
+            case .ownedPrivateSpace:
+                self.creationParams.isShared = false
+            case .sharedPrivateSpace:
+                self.creationParams.isShared = true
+            }
+
+            didSelectOption(withId: optionId)
+        case .cancel:
+            done()
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func done() {
+        callback?(.cancel)
+    }
+    
+    private func didSelectOption(withId optionId: SpaceCreationMenuRoomOptionId) {
+        callback?(.didSelectOption(optionId))
+    }
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationMenu/ViewModel/SpaceCreationMenuViewModelProtocol.swift

@@ -0,0 +1,25 @@
+// File created from TemplateAdvancedRoomsExample
+// $ createSwiftUITwoScreen.sh Spaces/SpaceCreation SpaceCreation SpaceCreationMenu SpaceCreationSettings
+// 
+// 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 Foundation
+
+protocol SpaceCreationMenuViewModelProtocol {
+    var callback: ((SpaceCreationMenuViewModelAction) -> Void)? { get set }
+    @available(iOS 14, *)
+    var context: SpaceCreationMenuViewModelType.Context { get }
+}