gistfile1.txt

@globalActor actor MyGlobalActor : GlobalActor {
    static let shared = MyGlobalActor()
}


extension MoveNoteViewController: UISearchBarDelegate {
    @MyGlobalActor
    private func filterNotes(_ text: String) async -> [Note] {
        if text.isEmpty {
            return await notes
        } else {
            let notes = await self.notes!
            let idToFolderMap = await self.idToFolderMap!
            
            return notes.filter {
                let emoji = $0.emoji
                let title = $0.title
                var folderName: String? = nil
                if let folderId = $0.folderId {
                    folderName = idToFolderMap[folderId]?.name ?? ""
                }
                
                return
                    emoji.localizedCaseInsensitiveContains(text) ||
                    title.localizedCaseInsensitiveContains(text) ||
                    (folderName?.localizedCaseInsensitiveContains(text) ?? false)
            }
        }
    }
    
    @MainActor
    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
        let text = searchText.trim()
        
        if text.isEmpty {
            applySnapshot(snapshot: getSnapshot(notes: notes))
        } else {
            Task {
                let filteredNotes = await filterNotes(text)
                
                if searchBar.text?.trim() == text {
                    applySnapshot(snapshot: getSnapshot(notes: filteredNotes))
                }
            }
        }
    }
}