sortSheet.swift

    private var sortSheet: ActionSheet {
        var buttons: [ActionSheet.Button] = []
        for sort in ItemsViewModel.Sort.allCases {
            buttons.append(.default(Text(sort.rawValue.localizedCapitalized),
                                    action: {
                                        self.viewModel.sort = sort
            }))
        }
        
        if viewModel.sort != nil {
            buttons.append(.default(Text("Clear Selection"), action: {
                self.viewModel.sort = nil
            }))
        }
        
        buttons.append(.cancel())
        
        let title = Text("Sort items")
        
        if let currentSort = viewModel.sort {
            return ActionSheet(title: title,
                               message: Text("Current Sort: \(currentSort.rawValue.localizedCapitalized)"),
                               buttons: buttons)
        }
        
        return ActionSheet(title: title, buttons: buttons)
    }