GazpromApp/ViewModels/Basic/ErrorViewModel.cs

using Avalonia.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using GazpromApp.Enums;
using GazpromApp.Models;

namespace GazpromApp.ViewModels;

public partial class ErrorViewModel : ViewModelBase     
{
    [ObservableProperty]
    private string? _title;
    
    [ObservableProperty]
    private string? _message;

    [RelayCommand]
    private static void Ok(Window w)
    {
        w.Close();
    }
    
    private readonly ErrorSeverity _severity;
    
    // Visual and other properties
    [ObservableProperty] private bool _isErrorVisible;
    [ObservableProperty] private bool _isWarnVisible;
    [ObservableProperty] private bool _isInfoVisible;

    public ErrorViewModel()
    {
        IsInfoVisible = true;
        Title = "Тест ошибки";
        Message = "Сообщение ошибки";
    }

    public ErrorViewModel(Error error)
    {
        Title =  error.Title;
        Message = error.Message;
        _severity = error.Severity;
        switch (error.Severity)
        {
            case ErrorSeverity.Error:
                IsErrorVisible = true;
                break;
            case ErrorSeverity.Warning:
                IsWarnVisible = true;
                break;
            case ErrorSeverity.Message:
            default:
                IsInfoVisible = true;
                break;
        }
    }

    // ReSharper disable once UnusedMember.Global
    public Error GetError()
    {
        var error = new Error
        {
            Title = Title,
            Message = Message,
            Severity = _severity
        };
        return error;
    }
}