Add NotificationSettings and Keywords UI and VM

Riot/Modules/Settings/Notifications/ViewModel/KeywordsViewModel.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 Foundation
+
+@available(iOS 14.0, *)
+class KeywordsViewModel: ObservableObject {
+    @Published var keywords: [String] = ["Website", "Element", "Design"]
+}

Riot/Modules/Settings/Notifications/ViewModel/NotificationSettingsViewAction.swift

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+// File created from ScreenTemplate
+// $ createScreen.sh Settings/Notifications NotificationSettings
+/*
+ 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
+
+/// NotificationSettingsViewController view actions exposed to view model
+enum NotificationSettingsViewAction {
+    case load
+    case selectNotification(PushRuleId, Bool)
+    case save
+    case cancel
+}

Riot/Modules/Settings/Notifications/ViewModel/NotificationSettingsViewModel.swift

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+// File created from ScreenTemplate
+// $ createScreen.sh Settings/Notifications NotificationSettings
+/*
+ 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
+import Combine
+import SwiftUI
+
+@available(iOS 14.0, *)
+final class NotificationSettingsViewModel: NotificationSettingsViewModelType, ObservableObject {
+    
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    // MARK: Public
+
+    weak var viewDelegate: NotificationSettingsViewModelViewDelegate?
+    weak var coordinatorDelegate: NotificationSettingsViewModelCoordinatorDelegate?
+    
+    @Published var viewState: NotificationSettingsViewState
+    
+    // MARK: - Setup
+    
+    init(initialState: NotificationSettingsViewState) {
+        self.viewState = initialState
+    }
+    
+    convenience init(rules: [PushRuleId]) {
+        let ruleSate = rules.map({ PushRuleSelectedState(ruleId: $0, selected: false) })
+        self.init(initialState: NotificationSettingsViewState(saving: false, selectionState: ruleSate))
+    }
+    
+    deinit {
+        self.cancelOperations()
+    }
+    
+    // MARK: - Public
+    
+    func process(viewAction: NotificationSettingsViewAction) {
+        switch viewAction {
+        case .load:
+            self.loadData()
+        case .save:
+            break
+        case .cancel:
+            self.cancelOperations()
+//            self.coordinatorDelegate?.notificationSettingsViewModelDidCancel(self)
+        case .selectNotification(_, _):
+            break
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func loadData() {
+
+    }
+    
+    private func update(viewState: NotificationSettingsViewState) {
+//        self.viewDelegate?.notificationSettingsViewModel(self, didUpdateViewState: viewState)
+    }
+    
+    private func cancelOperations() {
+    
+    }
+}

Riot/Modules/Settings/Notifications/ViewModel/NotificationSettingsViewModelType.swift

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+// File created from ScreenTemplate
+// $ createScreen.sh Settings/Notifications NotificationSettings
+/*
+ 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 NotificationSettingsViewModelViewDelegate: AnyObject {
+    func notificationSettingsViewModel(_ viewModel: NotificationSettingsViewModelType, didUpdateViewState viewSate: NotificationSettingsViewState)
+}
+
+protocol NotificationSettingsViewModelCoordinatorDelegate: AnyObject {
+    func notificationSettingsViewModel(_ viewModel: NotificationSettingsViewModelType, didCompleteWithUserDisplayName userDisplayName: String?)
+    func notificationSettingsViewModelDidCancel(_ viewModel: NotificationSettingsViewModelType)
+}
+
+/// Protocol describing the view model used by `NotificationSettingsViewController`
+protocol NotificationSettingsViewModelType {        
+        
+    var viewDelegate: NotificationSettingsViewModelViewDelegate? { get set }
+    var coordinatorDelegate: NotificationSettingsViewModelCoordinatorDelegate? { get set }
+    
+    func process(viewAction: NotificationSettingsViewAction)
+}

Riot/Modules/Settings/Notifications/ViewModel/NotificationSettingsViewState.swift

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+// File created from ScreenTemplate
+// $ createScreen.sh Settings/Notifications NotificationSettings
+/*
+ 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
+
+/// NotificationSettingsViewController view state
+
+struct PushRuleSelectedState {
+    let ruleId: PushRuleId
+    let selected: Bool
+}
+
+extension PushRuleSelectedState: Identifiable {
+    var id: String { ruleId.rawValue }
+}
+
+extension PushRuleSelectedState {
+    var title: String? {
+        switch ruleId {
+        case .suppressBots:
+            return VectorL10n.settingsMessagesByABot
+        case .inviteMe:
+            return VectorL10n.settingsRoomInvitations
+        case .containDisplayName:
+            return VectorL10n.settingsMessagesContainingDisplayName
+        case .tombstone:
+            return VectorL10n.settingsRoomUpgrades
+        case .roomNotif:
+            return VectorL10n.settingsMessagesContainingAtRoom
+        case .containUserName:
+            return VectorL10n.settingsMessagesContainingUserName
+        case .call:
+            return VectorL10n.settingsCallInvitations
+        case .oneToOneEncryptedRoom:
+            return VectorL10n.settingsEncryptedDirectMessages
+        case .oneToOneRoom:
+            return VectorL10n.settingsDirectMessages
+        case .allOtherMessages:
+            return VectorL10n.settingsGroupMessages
+        case .encrypted:
+            return VectorL10n.settingsEncryptedGroupMessages
+        case .keywords:
+            return VectorL10n.settingsMessagesContainingKeywords
+        default:
+            return nil
+        }
+    }
+}
+
+
+struct NotificationSettingsViewState {
+    var saving: Bool
+    var selectionState: [PushRuleSelectedState]
+}