Demka-2/Demka-2.csproj

@@ -20,4 +20,10 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.0" />
     <PackageReference Include="Microsoft.OpenApi" Version="1.6.23" />
   </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Views\ServiceFormWindow.axaml.cs">
+      <DependentUpon>ServiceFormWindow.axaml</DependentUpon>
+    </Compile>
+  </ItemGroup>
 </Project>

Demka-2/Use/Service.cs

@@ -5,6 +5,7 @@ public class Service
 {
     public Guid guid {  get; set; }
     public string Name { get; set; }
+    public string ImagePath { get; set; }
     public decimal Price { get; set; }
     public decimal Discount { get; set; }
     public int Duration { get; set; }

Demka-2/Views/MainWindow.axaml

@@ -15,11 +15,22 @@
 					<TextBlock Text="30-70%" />
 					<TextBlock Text="70-100%" />
 				</ComboBox.Items>
+				<StackPanel Orientation="Horizontal" DockPanel.Dock="Top" Margin="5">
+					<TextBox Width="200" Watermark="Код администратора..." Name="AdminCodeBox" />
+					<Button Content="Войти как администратор" Name="AdminLoginButton" Margin="5" />
+				</StackPanel>
 			</ComboBox>
 			<Button Content="Сортировка ↑" Name="SortAscButton" Margin="5" />
 			<Button Content="Сортировка ↓" Name="SortDescButton" />
 		</StackPanel>
 		
+		<StackPanel Orientation="Horizontal" DockPanel.Dock="Bottom" Margin="5" Name="AdminControls" IsVisible="False">
+			<Button Content="Добавить услугу" Name="AddServiceButton" Margin="5" />
+			<Button Content="Редактировать услугу" Name="EditServiceButton" Margin="5" />
+			<Button Content="Удалить услугу" Name="DeleteServiceButton" Margin="5" />
+			<Button Content="Открыть форму для добавления товаров" Name="OpenServiceFormWindow" Click="OpenServiceFormWindow_Click" Margin="5" />
+		</StackPanel>
+		
 		<ListBox Name="ServiceList" Margin="5">
 			<ListBox.ItemTemplate>
 				<DataTemplate>

Demka-2/Views/MainWindow.axaml.cs

@@ -4,6 +4,7 @@ using System.Collections.ObjectModel;
 using System.Linq;
 using Demka_2.Use;
 using System;
+using Avalonia.Interactivity;
 
 namespace Demka_2.Views;
 
@@ -16,7 +17,12 @@ public partial class MainWindow : Window
     private ComboBox _discountFilter;
     private ListBox _serviceList;
     private TextBlock _serviceCountText;
+    private TextBox _adminCodeBox;
+    private Button _adminLoginButton;
+    private StackPanel _adminControls;
 
+    private const string AdminCode = "0000";
+    private bool IsAdminMode = false;
     public MainWindow()
     {
         InitializeComponent();
@@ -31,10 +37,35 @@ public partial class MainWindow : Window
         _discountFilter = this.FindControl<ComboBox>("DiscountFilter");
         _serviceList = this.FindControl<ListBox>("ServiceList");
         _serviceCountText = this.FindControl<TextBlock>("ServiceCountText");
+        _adminCodeBox = this.FindControl<TextBox>("AdminCodeBox");
+        _adminLoginButton = this.FindControl<Button>("AdminLoginButton");
+        _adminControls = this.FindControl<StackPanel>("AdminControls");
 
         _serviceList.ItemsSource = FilteredServices;
         _searchBox.TextChanged += SearchBox_TextChanged;
         _discountFilter.SelectionChanged += DiscountFilter_SelectionChanged;
+        _adminLoginButton.Click += AdminLoginButton_Click;
+    }
+
+    private void AdminLoginButton_Click(object? sender, EventArgs e)
+    {
+        if (_adminCodeBox.Text == AdminCode)
+        {
+            IsAdminMode = true;
+            _adminControls.IsVisible = true;
+        }
+        else
+        {
+            IsAdminMode = false;
+            _adminControls.IsVisible = false;
+        }
+    }
+
+    private void OpenServiceFormWindow_Click(object sender, RoutedEventArgs e)
+    {
+        var selectedService = _serviceList.SelectedItem as Service;
+        var serviceFormWindow = new ServiceFormWindow(selectedService, Services);
+        serviceFormWindow.Show();
     }
 
     private void LoadServices()
@@ -91,6 +122,8 @@ public partial class MainWindow : Window
         UpdateFilteredServices();
     }
 
+
+
     private (decimal min, decimal max)? ParseDiscountRange(string rangeText)
     {
         return rangeText switch

Demka-2/Views/ServiceFormWindow.axaml

@@ -0,0 +1,31 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="Demka_2.Views.ServiceFormWindow"
+        Width="1200"
+		Height="800"
+        Title="Редактор Услуг">
+	<StackPanel Margin="10">
+		<TextBlock Text="Название" />
+		<TextBox Name="NameTextBox" />
+
+		<TextBlock Text="Стоимость" Margin="0,10" />
+		<TextBox Name="PriceTextBox" />
+
+		<TextBlock Text="Скидка (%)" Margin="0,10" />
+		<TextBox Name="DiscountTextBox" />
+
+		<TextBlock Text="Длительность (минуты)" Margin="0,10" />
+		<TextBox Name="DurationTextBox" />
+
+		<TextBlock Text="Описание" Margin="0,10" />
+		<TextBox Name="DescriptionTextBox" AcceptsReturn="True" Height="80" />
+
+		<TextBlock Text="Изображение" Margin="0,10" />
+		<StackPanel Orientation="Horizontal">
+			<Image Name="ThumbnailImage" Width="100" Height="100" Margin="0,0,10,0" />
+			<Button Content="Выбрать изображение" Name="SelectImageButton" />
+		</StackPanel>
+
+		<Button Content="Сохранить" Name="SaveButton" Margin="0,20" HorizontalAlignment="Center" />
+	</StackPanel>
+</Window>

Demka-2/Views/ServiceFormWindow.axaml.cs

@@ -0,0 +1,145 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media.Imaging;
+using Demka_2.Use;
+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+
+namespace Demka_2.Views
+{
+    public partial class ServiceFormWindow : Window
+    {
+        private Service _service;
+        private ObservableCollection<Service> _services;
+
+        public ServiceFormWindow(Service service, ObservableCollection<Service> services)
+        {
+            InitializeComponent();
+            _service = service;
+            _services = services;
+
+            LoadServiceData();
+
+            SaveButton.Click += SaveButton_Click;
+            SelectImageButton.Click += SelectImageButton_Click;
+
+
+            /*
+             * AddServiceButton.Click += (s, e) =>
+            {
+                var serviceForm = new ServiceFormWindow(new Service(), Services);
+                serviceForm.ShowDialog(this).ContinueWith(_ => UpdateFilteredServices());
+            };
+
+            EditServiceButton.Click += (s, e) =>
+            {
+                if (_serviceList.SelectedItem is Service selectedService)
+                {
+                    var serviceForm = new ServiceFormWindow(selectedService, Services);
+                    serviceForm.ShowDialog(this).ContinueWith(_ => UpdateFilteredServices());
+                }
+                else
+                {
+                    MessageBox.Show("Выберите услугу для редактирования.");
+                }
+            };
+            */
+        }
+
+        private void LoadServiceData()
+        {
+            NameTextBox.Text = _service.Name;
+            PriceTextBox.Text = _service.Price.ToString();
+            DiscountTextBox.Text = _service.Discount.ToString();
+            DurationTextBox.Text = _service.Duration.ToString();
+            DescriptionTextBox.Text = _service.Description;
+            if (!string.IsNullOrEmpty(_service.ImagePath))
+            {
+                ThumbnailImage.Source = new Bitmap(_service.ImagePath);
+            }
+        }
+        private async void ShowMessage(string message)
+        {
+            var messageBox = new Window
+            {
+                Title = "Сообщение",
+                Content = message,
+                Width = 300,
+                Height = 150,
+                WindowStartupLocation = WindowStartupLocation.CenterScreen
+            };
+
+            var okButton = new Button { Content = "ОК" };
+            okButton.Click += (s, e) => messageBox.Close();
+            messageBox.Content = new StackPanel
+            {
+                Children = { new TextBlock { Text = message }, okButton }
+            };
+
+            await messageBox.ShowDialog(this);
+        }
+        private void SaveButton_Click(object? sender, RoutedEventArgs e)
+        {
+            if (string.IsNullOrWhiteSpace(NameTextBox.Text))
+            {
+                ShowMessage("Название услуги не может быть пустым.");
+                return;
+            }
+
+            if (_services.Any(s => s.Name == NameTextBox.Text && s.guid != _service.guid))
+            {
+                ShowMessage("Услуга с таким названием уже существует.");
+                return;
+            }
+
+            if (!decimal.TryParse(PriceTextBox.Text, out var price) || price < 0)
+            {
+                ShowMessage("Введите корректную стоимость.");
+                return;
+            }
+
+            if (!decimal.TryParse(DiscountTextBox.Text, out var discount) || discount < 0 || discount > 100)
+            {
+                ShowMessage("Введите корректную скидку (0-100%).");
+                return;
+            }
+
+            if (!int.TryParse(DurationTextBox.Text, out var duration) || duration <= 0 || duration > 240)
+            {
+                ShowMessage("Введите корректную длительность (1-240 минут).");
+                return;
+            }
+
+            _service.Name = NameTextBox.Text;
+            _service.Price = price;
+            _service.Discount = discount;
+            _service.Duration = duration;
+            _service.Description = DescriptionTextBox.Text;
+
+            if (_service.guid == Guid.Empty)
+            {
+                _service.guid = Guid.NewGuid();
+                _services.Add(_service);
+            }
+
+            this.Close();
+        }
+
+        private async void SelectImageButton_Click(object? sender, RoutedEventArgs e)
+        {
+            var openFileDialog = new OpenFileDialog
+            {
+                Filters = { new FileDialogFilter { Name = "Images", Extensions = { "jpg", "png" } } }
+            };
+
+            var result = await openFileDialog.ShowAsync(this);
+            if (result?.Length > 0)
+            {
+                var imagePath = result[0];
+                _service.ImagePath = imagePath;
+                ThumbnailImage.Source = new Bitmap(imagePath);
+            }
+        }
+    }
+}