MetaforceInstaller/MetaforceInstaller.UI/ViewModels/MainWindowViewModel.cs

using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using Avalonia.Media;
using MetaforceInstaller.Core.Models;

namespace MetaforceInstaller.UI.ViewModels;

public class MainWindowViewModel : INotifyPropertyChanged
{
    public event PropertyChangedEventHandler? PropertyChanged;

    public ObservableCollection<InstallationData> Installations { get; set; } = new();

    private bool _isDeviceConnected;

    public bool IsDeviceConnected
    {
        get => _isDeviceConnected;
        set
        {
            if (_isDeviceConnected != value)
            {
                _isDeviceConnected = value;
                OnPropertyChanged();
                OnPropertyChanged(nameof(StatusColor));
                OnPropertyChanged(nameof(StatusText));
            }
        }
    }

    private string _deviceSerial = string.Empty;

    public string DeviceSerial
    {
        get => _deviceSerial;
        set
        {
            if (_deviceSerial != value)
            {
                _deviceSerial = value;
                OnPropertyChanged();
                OnPropertyChanged(nameof(StatusText));
            }
        }
    }

    public IBrush StatusColor => IsDeviceConnected ? Brushes.Green : Brushes.Red;
    public string StatusText => IsDeviceConnected ? $"Connected to {_deviceSerial}" : "Not connected";

    public void LoadInstallations(IEnumerable<InstallationData> data)
    {
        Installations.Clear();
        foreach (var installation in data)
        {
            Installations.Add(installation);
        }
    }

    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}