BottomSheetWithSearchViewModel.cs

using System.Windows.Input;
using Components.SampleData;
using DIPS.Mobile.UI.MVVM;

namespace Components.ComponentsSamples.BottomSheets.Sheets;

public class BottomSheetWithSearchViewModel : ViewModel
{
    private List<Person> m_people;
    private readonly List<Person> m_originalPeople;

    public BottomSheetWithSearchViewModel()
    {
        People = SampleDataStorage.People.ToList();
        m_originalPeople = People.ToList();
        SearchCommand = new Command<string>(FilterItems);
    }

    private void FilterItems(string filterText)
    {
        if (string.IsNullOrEmpty(filterText))
        {
            People = m_originalPeople.ToList();
        }
        else
        {
            People = m_originalPeople
                .Where(p => p.DisplayName.ToLower().Contains(filterText.ToLower()))
                .ToList();
        }
    }

    public List<Person> People
    {
        get => m_people;
        set => RaiseWhenSet(ref m_people, value);
    }

    public ICommand SearchCommand { get; }
}