GazpromApp/ViewModels/Basic/InspectionViewModel.cs

using System;
using System.Linq;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using GazpromApp.Enums;
using GazpromApp.Messages;
using GazpromApp.Models;

namespace GazpromApp.ViewModels;

public partial class InspectionViewModel : ViewModelBase
{
    private Inspection Inspection { get; }
    [ObservableProperty]
    private string _name;
    [ObservableProperty]
    private DateTime _creationDate;
    [ObservableProperty]
    private DateTimeOffset _inspectionDate;
    [ObservableProperty]
    private PeriodType _periodType;
    [ObservableProperty]
    private float _periodValue;
    
    // Visual properties
    
    [ObservableProperty]
    private bool _isEditing;

    [RelayCommand]
    private void EditInspection()
    {
        IsEditing = !IsEditing;
    }

    [RelayCommand]
    private void RemoveInspection() => WeakReferenceMessenger.Default.Send(new RemoveInspectionMessage(this));
    
    // ReSharper disable once MemberCanBeMadeStatic.Global
    public PeriodType[] AllPeriods => Enum.GetValues<PeriodType>()
        .Where(p => p != PeriodType.Unknown)
        .ToArray();
    
    public InspectionViewModel()
    {
        Name = string.Empty;
        CreationDate = DateTime.Now;
        InspectionDate = DateTimeOffset.Now;
        PeriodType = 0;
        PeriodValue = 1;
        Inspection = new Inspection();
    }
    
    public InspectionViewModel(Inspection inspection)
    {
        Name = inspection.Name;
        CreationDate = inspection.CreationDate;
        InspectionDate = inspection.InspectionDate;
        PeriodType = inspection.PeriodType.ToPeriodType();
        PeriodValue = inspection.PeriodValue;
        Inspection = inspection;
    }

    public Inspection GetInspection()
    {
        Inspection.Name = Name;
        Inspection.CreationDate = CreationDate;
        if (InspectionDate.Year > 2500)
            InspectionDate = DateTimeOffset.Now;
        Inspection.InspectionDate = InspectionDate;
        Inspection.PeriodType = PeriodType.ToDescription();
        Inspection.PeriodValue = PeriodValue;
        return Inspection;
    }
}