[iOS] Create public space #143

- Initial space creation flow

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationMatrixItemChooser/ViewModel/SpaceCreationMatrixItemChooserViewModel.swift

@@ -0,0 +1,114 @@
+// File created from SimpleUserProfileExample
+// $ createScreen.sh Spaces/SpaceCreation/SpaceCreationMatrixItemChooser SpaceCreationMatrixItemChooser
+//
+// 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 SpaceCreationMatrixItemChooserViewModelType = StateStoreViewModel<SpaceCreationMatrixItemListStateActionListViewState,
+                                                                            SpaceCreationMatrixItemListStateAction,
+                                                                            SpaceCreationMatrixItemListStateActionListViewAction>
+@available(iOS 14, *)
+class SpaceCreationMatrixItemChooserViewModel: SpaceCreationMatrixItemChooserViewModelType, SpaceCreationMatrixItemChooserViewModelProtocol {
+
+    // MARK: - Properties
+
+    // MARK: Private
+
+    private var spaceCreationMatrixItemChooserService: SpaceCreationMatrixItemChooserServiceProtocol
+    private var creationParams: SpaceCreationParameters
+
+    // MARK: Public
+
+    var callback: ((SpaceCreationMatrixItemListStateActionListViewModelAction) -> Void)?
+
+    // MARK: - Setup
+
+    static func makeSpaceCreationMatrixItemChooserViewModel(spaceCreationMatrixItemChooserService: SpaceCreationMatrixItemChooserServiceProtocol, creationParams: SpaceCreationParameters) -> SpaceCreationMatrixItemChooserViewModelProtocol {
+        return SpaceCreationMatrixItemChooserViewModel(spaceCreationMatrixItemChooserService: spaceCreationMatrixItemChooserService, creationParams: creationParams)
+    }
+
+    private init(spaceCreationMatrixItemChooserService: SpaceCreationMatrixItemChooserServiceProtocol, creationParams: SpaceCreationParameters) {
+        self.spaceCreationMatrixItemChooserService = spaceCreationMatrixItemChooserService
+        self.creationParams = creationParams
+        super.init(initialViewState: Self.defaultState(spaceCreationMatrixItemChooserService: spaceCreationMatrixItemChooserService, creationParams: creationParams))
+        startObservingItems()
+    }
+
+    private static func defaultState(spaceCreationMatrixItemChooserService: SpaceCreationMatrixItemChooserServiceProtocol, creationParams: SpaceCreationParameters) -> SpaceCreationMatrixItemListStateActionListViewState {
+        let navTitle = creationParams.isPublic ? VectorL10n.spacesCreationPublicSpaceTitle : VectorL10n.spacesCreationPrivateSpaceTitle
+        let title = spaceCreationMatrixItemChooserService.type == .people ? VectorL10n.spacesCreationInviteByUsernameTitle : VectorL10n.spacesCreationAddRoomsTitle
+        let message = spaceCreationMatrixItemChooserService.type == .people ? VectorL10n.spacesCreationInviteByUsernameMessage : VectorL10n.spacesCreationAddRoomsMessage
+        let emptyListMessage = VectorL10n.spacesNoResultFoundTitle
+
+        return SpaceCreationMatrixItemListStateActionListViewState(navTitle: navTitle, title: title, message: message, emptyListMessage: emptyListMessage, items: spaceCreationMatrixItemChooserService.itemsSubject.value, selectedItemIds: spaceCreationMatrixItemChooserService.selectedItemIdsSubject.value)
+    }
+
+    private func startObservingItems() {
+        let itemsUpdatePublisher = spaceCreationMatrixItemChooserService.itemsSubject
+            .map(SpaceCreationMatrixItemListStateAction.updateItems)
+            .eraseToAnyPublisher()
+        dispatch(actionPublisher: itemsUpdatePublisher)
+        
+        let selectionPublisher = spaceCreationMatrixItemChooserService.selectedItemIdsSubject
+            .map(SpaceCreationMatrixItemListStateAction.updateSelection)
+            .eraseToAnyPublisher()
+        dispatch(actionPublisher: selectionPublisher)
+    }
+
+    // MARK: - Public
+
+    override func process(viewAction: SpaceCreationMatrixItemListStateActionListViewAction) {
+        switch viewAction {
+        case .cancel:
+            cancel()
+        case .done:
+            let selectedItemIds = Array(spaceCreationMatrixItemChooserService.selectedItemIdsSubject.value)
+            switch spaceCreationMatrixItemChooserService.type {
+            case .people:
+                creationParams.userIdInvites = selectedItemIds
+            default:
+                creationParams.addedRoomIds = selectedItemIds
+            }
+            done()
+        case .searchTextChanged(let searchText):
+            self.spaceCreationMatrixItemChooserService.searchText = searchText
+        case .itemTapped(let itemId):
+            self.spaceCreationMatrixItemChooserService.reverseSelectionForItem(withId: itemId)
+        }
+    }
+
+    override class func reducer(state: inout SpaceCreationMatrixItemListStateActionListViewState, action: SpaceCreationMatrixItemListStateAction) {
+        switch action {
+        case .updateItems(let items):
+            state.items = items
+        case .updateSelection(let selectedItemIds):
+            state.selectedItemIds = selectedItemIds
+        }
+        UILog.debug("[SpaceCreationMatrixItemChooserViewModel] reducer with action \(action) produced state: \(state)")
+    }
+
+    private func done() {
+        callback?(.done)
+    }
+
+    private func cancel() {
+        callback?(.cancel)
+    }
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationMatrixItemChooser/ViewModel/SpaceCreationMatrixItemChooserViewModelProtocol.swift

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+// File created from SimpleUserProfileExample
+// $ createScreen.sh Spaces/SpaceCreation/SpaceCreationMatrixItemChooser SpaceCreationMatrixItemChooser
+// 
+// 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 SpaceCreationMatrixItemChooserViewModelProtocol {
+    
+    var callback: ((SpaceCreationMatrixItemListStateActionListViewModelAction) -> Void)? { get set }
+    @available(iOS 14, *)
+    static func makeSpaceCreationMatrixItemChooserViewModel(spaceCreationMatrixItemChooserService: SpaceCreationMatrixItemChooserServiceProtocol, creationParams: SpaceCreationParameters) -> SpaceCreationMatrixItemChooserViewModelProtocol
+    @available(iOS 14, *)
+    var context: SpaceCreationMatrixItemChooserViewModelType.Context { get }
+}