ios: restore scroll and update user profile in user profile menu (#1811)

* ios: Small UserPicker fixes

* update scroll

* update current user and update users list

* refactor

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

apps/ios/Shared/Model/ChatModel.swift

@@ -275,6 +275,18 @@ final class ChatModel: ObservableObject {
         return nil
     }
 
+    func updateCurrentUser(_ newProfile: Profile, _ preferences: FullPreferences? = nil) {
+        if let current = currentUser {
+            currentUser?.profile = toLocalProfile(current.profile.profileId, newProfile, "")
+            if let preferences = preferences {
+                currentUser?.fullPreferences = preferences
+            }
+            if let current = currentUser, let i = users.firstIndex(where: { $0.user.userId == current.userId }) {
+                users[i].user = current
+            }
+        }
+    }
+
     func addLiveDummy(_ chatInfo: ChatInfo) -> ChatItem {
         let cItem = ChatItem.liveDummy(chatInfo.chatType)
         withAnimation {

apps/ios/Shared/Views/ChatList/UserPicker.swift

@@ -29,8 +29,9 @@ struct UserPicker: View {
             VStack(spacing: 0) {
                 ScrollView {
                     ScrollViewReader { sp in
+                        let users = m.users.sorted { u, _ in u.user.activeUser }
                         VStack(spacing: 0) {
-                            ForEach(Array(m.users.sorted(by: { u, _ in u.user.activeUser }))) { u in
+                            ForEach(users) { u in
                                 userView(u)
                                 Divider()
                             }
@@ -49,8 +50,8 @@ struct UserPicker: View {
                             }
                         }
                         .onChange(of: userPickerVisible) { visible in
-                            if visible {
-                                sp.scrollTo(0)
+                            if visible, let u = users.first {
+                                sp.scrollTo(u.id)
                             }
                         }
                     }

apps/ios/Shared/Views/UserSettings/PreferencesView.swift

@@ -71,10 +71,7 @@ struct PreferencesView: View {
                 p.preferences = fullPreferencesToPreferences(preferences)
                 if let newProfile = try await apiUpdateProfile(profile: p) {
                     await MainActor.run {
-                        if let profileId = chatModel.currentUser?.profile.profileId {
-                            chatModel.currentUser?.profile = toLocalProfile(profileId, newProfile, "")
-                            chatModel.currentUser?.fullPreferences = preferences
-                        }
+                        chatModel.updateCurrentUser(newProfile, preferences)
                         currentPreferences = preferences
                     }
                 }

apps/ios/Shared/Views/UserSettings/UserProfile.swift

@@ -141,9 +141,7 @@ struct UserProfile: View {
             do {
                 if let newProfile = try await apiUpdateProfile(profile: profile) {
                     DispatchQueue.main.async {
-                        if let profileId = chatModel.currentUser?.profile.profileId {
-                            chatModel.currentUser?.profile = toLocalProfile(profileId, newProfile, "")
-                        }
+                        chatModel.updateCurrentUser(newProfile)
                         profile = newProfile
                     }
                 }