Add RoomChangeRolesScreen. (#2534)

Not part of a flow yet, just the screen.
2026-11-03 16:10:20 +00:00 · 2024-03-07 16:24:05 +00:00
parent 063b3732b1
commit 046f1dd533
19 changed files with 904 additions and 0 deletions
@@ -0,0 +1,101 @@
+//
+// 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 Collections
+import Foundation
+
+enum RoomChangeRolesScreenViewModelAction {
+    case done
+}
+
+struct RoomChangeRolesScreenViewState: BindableState {
+    /// The screen's current mode (which role we are promoting/demoting users to/from.
+    let mode: RoomMemberDetails.Role
+    /// All of the room's members.
+    var members: [RoomMemberDetails]
+    var bindings: RoomChangeRolesScreenViewStateBindings
+    
+    /// The members selected for promotion to the current role.
+    var membersToPromote: Set<RoomMemberDetails> = []
+    /// The member selected for demotion back to a regular user.
+    var membersToDemote: Set<RoomMemberDetails> = []
+    
+    /// The last member added to the carousel at the top of the screen.
+    var lastPromotedMember: RoomMemberDetails?
+    
+    /// The screen's title.
+    var title: String {
+        switch mode {
+        case .administrator:
+            L10n.screenRoomChangeRoleAdministratorsTitle
+        case .moderator:
+            L10n.screenRoomChangeRoleModeratorsTitle
+        case .user:
+            "" // The screen can't be configured with this role.
+        }
+    }
+    
+    /// The visible members in the screen (after searching).
+    var visibleMembers: [RoomMemberDetails] {
+        guard !bindings.searchQuery.isEmpty else { return members }
+        
+        return members.filter { member in
+            member.name?.localizedStandardContains(bindings.searchQuery) == true
+                || member.id.localizedStandardContains(bindings.searchQuery)
+        }
+    }
+    
+    /// All of the members who will gain/keep this screen's role after saving any changes.
+    var membersWithRole: [RoomMemberDetails] {
+        members.filter(isMemberSelected)
+    }
+    
+    /// Whether or not any changes have been made to the members.
+    var hasChanges: Bool {
+        !membersToPromote.isEmpty || !membersToDemote.isEmpty
+    }
+    
+    /// Whether or not the user is searching.
+    var isSearching: Bool {
+        !bindings.searchQuery.isEmpty
+    }
+    
+    /// Whether or not a specific member has this screen's role.
+    func isMemberSelected(_ member: RoomMemberDetails) -> Bool {
+        guard !membersToDemote.contains(member) else { return false }
+        return member.role == mode || membersToPromote.contains(member)
+    }
+}
+
+struct RoomChangeRolesScreenViewStateBindings {
+    var searchQuery = ""
+    /// Information about the currently displayed alert.
+    var alertInfo: AlertInfo<RoomChangePermissionsScreenAlertType>?
+}
+
+enum RoomChangeRolesScreenAlertType {
+    /// The generic error message.
+    case generic
+}
+
+enum RoomChangeRolesScreenViewAction {
+    /// Promote/Demote the specified member, toggling their role between user and this screen's role.
+    case toggleMember(RoomMemberDetails)
+    /// Demote the specified member to a regular user.
+    case demoteMember(RoomMemberDetails)
+    /// Save all the changes that the user has made.
+    case save
+}