Modifying equipment works

ViewModels/EditEquipmentDialogViewModel.cs

@@ -1,6 +1,131 @@
-namespace GazpromApp.ViewModels;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Web;
+using Avalonia.Controls;
+using Avalonia.Media.Imaging;
+using Avalonia.Platform.Storage;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.Mvvm.Messaging;
+using GazpromApp.Messages;
+using GazpromApp.Models;
 
-public class EditEquipmentDialogViewModel
+namespace GazpromApp.ViewModels;
+
+public partial class EditEquipmentDialogViewModel : ViewModelBase
 {
+    [ObservableProperty] 
+    [NotifyCanExecuteChangedFor(nameof(CompleteEditCommand))]
+    private string? _name;
     
+    [ObservableProperty]
+    [NotifyCanExecuteChangedFor(nameof(CompleteEditCommand))]
+    private string? _description;
+    
+    [ObservableProperty]
+    private bool _isNameEditing;
+    
+    [ObservableProperty]
+    private bool _isDescriptionEditing;
+    
+    [ObservableProperty]
+    private ImageViewModel? _image;
+    
+    [RelayCommand]
+    private void EditName()
+    {
+        IsNameEditing = !IsNameEditing;
+        IsDescriptionEditing = false;
+    }
+    
+    [RelayCommand]
+    private void EditDescription()
+    {
+        IsDescriptionEditing = !IsDescriptionEditing;
+        IsNameEditing = false;
+    }
+    
+    [RelayCommand]
+    private async Task AddImage(Window w)
+    {
+        IReadOnlyList<IStorageFile> files = await w.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions()
+        {
+            AllowMultiple = false,
+            Title = "Выберите картинку",
+            FileTypeFilter = [FilePickerFileTypes.ImageAll],
+        });
+        
+        IsImageSelected = files.Count > 0;
+        
+        Image = IsImageSelected ? new ImageViewModel(new Models.Image()) { FileName = new Bitmap(HttpUtility.UrlDecode(files[0].Path.AbsolutePath)) } : null;
+    }
+    
+    [RelayCommand]
+    private async Task ViewImage()
+    {
+        if (Image is null) return;
+        _ = await WeakReferenceMessenger.Default.Send(new ViewImageMessage(Image));
+    }
+    
+    [RelayCommand]
+    private void DeleteImage()
+    {
+        Image = null;
+        IsImageSelected = false;
+    }
+    
+    private bool CanCompleteEdit() => !string.IsNullOrWhiteSpace(Name);
+
+    [RelayCommand(CanExecute = nameof(CanCompleteEdit))]
+    private void CompleteEdit()
+    {
+        IsClosed = true;
+        Equipment equipment = new Equipment()
+        {
+            Name = Name,
+            Description = Description,
+            Image = Image?.GetImage(),
+            Properties = [],
+        };
+        WeakReferenceMessenger.Default.Send(new EditEquipmentDone(new EquipmentViewModel(equipment)));
+    }
+
+    [RelayCommand]
+    private void CancelEdit(Window w)
+    {
+        IsClosed = true;
+        WeakReferenceMessenger.Default.Send(new EditEquipmentDone(_equipment));
+    }
+    
+    // Visual and other properties
+    
+    [ObservableProperty]
+    private bool _isImageSelected;
+
+    [ObservableProperty]
+    private bool _isClosed;
+    
+    private readonly EquipmentViewModel _equipment;
+
+    public EditEquipmentDialogViewModel()
+    {
+        Name = "";
+        Description = "";
+        Image = null;
+        
+        IsImageSelected = false;
+        
+        _equipment = new EquipmentViewModel(new  Equipment());
+    }
+
+    public EditEquipmentDialogViewModel(EquipmentViewModel equipment)
+    {
+        Name = equipment.Name;
+        Description = equipment.Description;
+        Image = equipment.Image;
+        
+        IsImageSelected = equipment.Image is { Bytes.Length: > 0 };
+        
+        _equipment = equipment;
+    }
 }