Add roles and permissions screen (#2505)

The screen hasn't been added to the flows yet.

ElementX/Resources/Localizations/en.lproj/Localizable.strings

@@ -564,7 +564,7 @@
 "screen_room_roles_and_permissions_messages_and_content" = "Messages and content";
 "screen_room_roles_and_permissions_moderators" = "Moderators";
 "screen_room_roles_and_permissions_permissions_header" = "Permissions";
-"screen_room_roles_and_permissions_reset" = "Reset roles and permissions";
+"screen_room_roles_and_permissions_reset" = "Reset permissions";
 "screen_room_roles_and_permissions_roles_header" = "Roles";
 "screen_room_roles_and_permissions_room_details" = "Room details";
 "screen_room_roles_and_permissions_title" = "Roles and permissions";

ElementX/Sources/Generated/Strings.swift

@@ -1385,7 +1385,7 @@ internal enum L10n {
   internal static var screenRoomRolesAndPermissionsModerators: String { return L10n.tr("Localizable", "screen_room_roles_and_permissions_moderators") }
   /// Permissions
   internal static var screenRoomRolesAndPermissionsPermissionsHeader: String { return L10n.tr("Localizable", "screen_room_roles_and_permissions_permissions_header") }
-  /// Reset roles and permissions
+  /// Reset permissions
   internal static var screenRoomRolesAndPermissionsReset: String { return L10n.tr("Localizable", "screen_room_roles_and_permissions_reset") }
   /// Roles
   internal static var screenRoomRolesAndPermissionsRolesHeader: String { return L10n.tr("Localizable", "screen_room_roles_and_permissions_roles_header") }

ElementX/Sources/Mocks/RoomMemberProxyMock.swift

@@ -59,6 +59,19 @@ extension RoomMemberProxyMock {
                                         canInviteUsers: true))
     }
     
+    static var mockMeAdmin: RoomMemberProxyMock {
+        RoomMemberProxyMock(with: .init(userID: "@me:matrix.org",
+                                        displayName: "Me admin",
+                                        avatarURL: URL.picturesDirectory,
+                                        membership: .join,
+                                        isAccountOwner: true,
+                                        powerLevel: 100,
+                                        role: .administrator,
+                                        canInviteUsers: true,
+                                        canKickUsers: true,
+                                        canBanUsers: true))
+    }
+    
     static var mockAlice: RoomMemberProxyMock {
         RoomMemberProxyMock(with: .init(userID: "@alice:matrix.org",
                                         displayName: "Alice",
@@ -154,4 +167,16 @@ extension Array where Element == RoomMemberProxyMock {
         .mockInvited,
         .mockIgnored
     ]
+    
+    static let allMembersAsAdmin: [RoomMemberProxyMock] = [
+        .mockMeAdmin,
+        .mockAlice,
+        .mockBob,
+        .mockCharlie,
+        .mockDan,
+        .mockInvited,
+        .mockIgnored,
+        .mockAdmin,
+        .mockModerator
+    ]
 }

ElementX/Sources/Screens/RoomRolesAndPermissionsScreen/RoomRolesAndPermissionsScreenCoordinator.swift

@@ -0,0 +1,62 @@
+//
+// Copyright 2022 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.
+//
+
+// periphery:ignore:all - this is just a roomRolesAndPermissions remove this comment once generating the final file
+
+import Combine
+import SwiftUI
+
+struct RoomRolesAndPermissionsScreenCoordinatorParameters {
+    let roomProxy: RoomProxyProtocol
+}
+
+enum RoomRolesAndPermissionsScreenCoordinatorAction {
+    case editRoles(RoomRolesAndPermissionsScreenRole)
+    case editPermissions(RoomRolesAndPermissionsScreenPermissionsGroup)
+}
+
+final class RoomRolesAndPermissionsScreenCoordinator: CoordinatorProtocol {
+    private var viewModel: RoomRolesAndPermissionsScreenViewModelProtocol
+    private let actionsSubject: PassthroughSubject<RoomRolesAndPermissionsScreenCoordinatorAction, Never> = .init()
+    private var cancellables = Set<AnyCancellable>()
+    
+    var actions: AnyPublisher<RoomRolesAndPermissionsScreenCoordinatorAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+    
+    init(parameters: RoomRolesAndPermissionsScreenCoordinatorParameters) {
+        viewModel = RoomRolesAndPermissionsScreenViewModel(roomProxy: parameters.roomProxy)
+    }
+    
+    func start() {
+        viewModel.actions.sink { [weak self] action in
+            MXLog.info("Coordinator: received view model action: \(action)")
+            
+            guard let self else { return }
+            switch action {
+            case .editRoles(let role):
+                actionsSubject.send(.editRoles(role))
+            case .editPermissions(let permissionsGroup):
+                actionsSubject.send(.editPermissions(permissionsGroup))
+            }
+        }
+        .store(in: &cancellables)
+    }
+        
+    func toPresentable() -> AnyView {
+        AnyView(RoomRolesAndPermissionsScreen(context: viewModel.context))
+    }
+}

ElementX/Sources/Screens/RoomRolesAndPermissionsScreen/RoomRolesAndPermissionsScreenModels.swift

@@ -0,0 +1,44 @@
+//
+// Copyright 2022 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
+
+enum RoomRolesAndPermissionsScreenViewModelAction {
+    case editRoles(RoomRolesAndPermissionsScreenRole)
+    case editPermissions(RoomRolesAndPermissionsScreenPermissionsGroup)
+}
+
+struct RoomRolesAndPermissionsScreenViewState: BindableState {
+    var administratorCount: Int?
+    var moderatorCount: Int?
+}
+
+enum RoomRolesAndPermissionsScreenViewAction {
+    case editRoles(RoomRolesAndPermissionsScreenRole)
+    case editPermissions(RoomRolesAndPermissionsScreenPermissionsGroup)
+    case reset
+}
+
+enum RoomRolesAndPermissionsScreenRole {
+    case administrators
+    case moderators
+}
+
+enum RoomRolesAndPermissionsScreenPermissionsGroup {
+    case roomDetails
+    case messagesAndContent
+    case memberModeration
+}

ElementX/Sources/Screens/RoomRolesAndPermissionsScreen/RoomRolesAndPermissionsScreenViewModel.swift

@@ -0,0 +1,63 @@
+//
+// Copyright 2022 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 Combine
+import SwiftUI
+
+typealias RoomRolesAndPermissionsScreenViewModelType = StateStoreViewModel<RoomRolesAndPermissionsScreenViewState, RoomRolesAndPermissionsScreenViewAction>
+
+class RoomRolesAndPermissionsScreenViewModel: RoomRolesAndPermissionsScreenViewModelType, RoomRolesAndPermissionsScreenViewModelProtocol {
+    private let roomProxy: RoomProxyProtocol
+    private var actionsSubject: PassthroughSubject<RoomRolesAndPermissionsScreenViewModelAction, Never> = .init()
+    
+    var actions: AnyPublisher<RoomRolesAndPermissionsScreenViewModelAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+
+    init(roomProxy: RoomProxyProtocol) {
+        self.roomProxy = roomProxy
+        super.init(initialViewState: RoomRolesAndPermissionsScreenViewState())
+        
+        roomProxy.members.sink { [weak self] members in
+            self?.updateMembers(members)
+        }
+        .store(in: &cancellables)
+        
+        updateMembers(roomProxy.members.value)
+    }
+    
+    // MARK: - Public
+    
+    override func process(viewAction: RoomRolesAndPermissionsScreenViewAction) {
+        MXLog.info("View model: received view action: \(viewAction)")
+        
+        switch viewAction {
+        case .editRoles(let role):
+            actionsSubject.send(.editRoles(role))
+        case .editPermissions(let permissionsGroup):
+            actionsSubject.send(.editPermissions(permissionsGroup))
+        case .reset:
+            break
+        }
+    }
+    
+    // MARK: - Members
+    
+    private func updateMembers(_ members: [RoomMemberProxyProtocol]) {
+        state.administratorCount = members.filter { $0.role == .administrator }.count
+        state.moderatorCount = members.filter { $0.role == .moderator }.count
+    }
+}

ElementX/Sources/Screens/RoomRolesAndPermissionsScreen/RoomRolesAndPermissionsScreenViewModelProtocol.swift

@@ -0,0 +1,23 @@
+//
+// Copyright 2022 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 Combine
+
+@MainActor
+protocol RoomRolesAndPermissionsScreenViewModelProtocol {
+    var actions: AnyPublisher<RoomRolesAndPermissionsScreenViewModelAction, Never> { get }
+    var context: RoomRolesAndPermissionsScreenViewModelType.Context { get }
+}

ElementX/Sources/Screens/RoomRolesAndPermissionsScreen/View/RoomRolesAndPermissionsScreen.swift

@@ -0,0 +1,117 @@
+//
+// Copyright 2022 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 Compound
+import SwiftUI
+
+struct RoomRolesAndPermissionsScreen: View {
+    @ObservedObject var context: RoomRolesAndPermissionsScreenViewModel.Context
+    
+    var body: some View {
+        Form {
+            rolesSection
+            permissionsSection
+            
+            resetSection
+        }
+        .compoundList()
+        .navigationTitle(L10n.screenRoomRolesAndPermissionsTitle)
+        .navigationBarTitleDisplayMode(.inline)
+    }
+    
+    private var rolesSection: some View {
+        Section {
+            ListRow(label: .default(title: L10n.screenRoomRolesAndPermissionsAdmins,
+                                    icon: \.admin),
+                    details: administratorDetails,
+                    kind: .navigationLink {
+                        context.send(viewAction: .editRoles(.administrators))
+                    })
+            
+            ListRow(label: .default(title: L10n.screenRoomRolesAndPermissionsModerators,
+                                    icon: \.chatProblem),
+                    details: moderatorDetails,
+                    kind: .navigationLink {
+                        context.send(viewAction: .editRoles(.moderators))
+                    })
+        } header: {
+            Text(L10n.screenRoomRolesAndPermissionsRolesHeader)
+                .compoundListSectionHeader()
+        }
+    }
+    
+    private var administratorDetails: ListRowDetails<Image> {
+        if let administratorCount = context.viewState.administratorCount {
+            .title("\(administratorCount)")
+        } else {
+            .isWaiting(true)
+        }
+    }
+    
+    private var moderatorDetails: ListRowDetails<Image> {
+        if let moderatorCount = context.viewState.moderatorCount {
+            .title("\(moderatorCount)")
+        } else {
+            .isWaiting(true)
+        }
+    }
+    
+    private var permissionsSection: some View {
+        Section {
+            ListRow(label: .default(title: L10n.screenRoomRolesAndPermissionsRoomDetails,
+                                    icon: \.info),
+                    kind: .navigationLink {
+                        context.send(viewAction: .editPermissions(.roomDetails))
+                    })
+            
+            ListRow(label: .default(title: L10n.screenRoomRolesAndPermissionsMessagesAndContent,
+                                    icon: \.chat),
+                    kind: .navigationLink {
+                        context.send(viewAction: .editPermissions(.messagesAndContent))
+                    })
+            
+            ListRow(label: .default(title: L10n.screenRoomRolesAndPermissionsMemberModeration,
+                                    icon: \.user),
+                    kind: .navigationLink {
+                        context.send(viewAction: .editPermissions(.memberModeration))
+                    })
+        } header: {
+            Text(L10n.screenRoomRolesAndPermissionsPermissionsHeader)
+                .compoundListSectionHeader()
+        }
+    }
+    
+    private var resetSection: some View {
+        Section {
+            ListRow(label: .plain(title: L10n.screenRoomRolesAndPermissionsReset,
+                                  role: .destructive),
+                    kind: .button {
+                        context.send(viewAction: .reset)
+                    })
+        }
+    }
+}
+
+// MARK: - Previews
+
+struct RoomRolesAndPermissionsScreen_Previews: PreviewProvider, TestablePreview {
+    static let viewModel = RoomRolesAndPermissionsScreenViewModel(roomProxy: RoomProxyMock(with: .init(members: .allMembersAsAdmin)))
+    static var previews: some View {
+        NavigationStack {
+            RoomRolesAndPermissionsScreen(context: viewModel.context)
+        }
+    }
+}