CoreLine.Wpf.CatalogInterfaces.Avelikiu 1.0.1

CoreLine.Wpf.CatalogInterfaces

Библиотека содержит готовые решения для WPF проекта.

MainWindow.xaml

<Window x:Class="KomarovExam.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:KomarovExam"
        mc:Ignorable="d" Background="#F5DEB3"
        Title="Авторизация" Height="450" Width="800">
    <Grid>
        <StackPanel
            Width="250" 
            VerticalAlignment="Center"
            HorizontalAlignment="Center">

            <TextBlock 
                Text="Авторизация" HorizontalAlignment="Center" FontSize="24" Foreground="White"  Margin="0 0 0 20"></TextBlock>
            <TextBlock Text="Логин"  FontSize="14" Foreground="White" Margin="0 0 0 10"></TextBlock>
            <TextBox Margin="0 0 0 10" Height="30" x:Name="tbLogin" ></TextBox>
            <TextBlock Text="Пароль"  FontSize="14" Foreground="White" Margin="0 0 0 10"></TextBlock>
            <TextBox Margin="0 0 0 10" Height="30" x:Name="tbPassword" ></TextBox>
            <Button Click="btLogin" FontSize="14" Content="Войти" Margin="0 0 0 10" Foreground="White" Background="#DEB887" Height="30"/>
            
        </StackPanel>
    </Grid>
</Window>

mainwindow.xaml.cs

using System.Linq;
using System.Windows;
using KomarovExam.BD;
namespace KomarovExam
{
    public partial class MainWindow : Window
    {
        private BazaDan context;

        public MainWindow()
        {
            InitializeComponent();
            context = new BazaDan();
        }
        private void btLogin(object sender, RoutedEventArgs e)
        {
            string enteredLogin = tbLogin.Text.Trim();
            string enteredPassword = tbPassword.Text;
            User current = verificate(enteredLogin, enteredPassword);
            if (current == null)
            {
                MessageFail();
                return;
            }

            OpenWin(current);
        }

        private User verificate(string login, string password)
        {
            User result = context.User
                .FirstOrDefault(u =>
                    u.Login == login &
                    u.Password == password);
            
            return result;
        }

        private void MessageFail() 
        {
            MessageBox.Show(
                "Неверный логин или пароль",
                "Ошибка входа",
                MessageBoxButton.OK,
                MessageBoxImage.Error);
        }

        private void OpenWin(User user)
        {
            ProductsRedactor window = new ProductsRedactor(user);
            window.Show();
            Close();

        }

    }
}

ProductsRedactor.xaml

<Window x:Class="BlinovExam.ProductsRedactor"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:BlinovExam"
        Title="Список товаров"
        Height="670"
        Width="1300"
        Background="#F5DEB3">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition Height="120"/>
        </Grid.RowDefinitions>
        <ListView x:Name="lvProducts"
                  Grid.Row="0"
                  FontFamily="Arial"
                  FontSize="14"
                  Margin="10"
                  MouseDoubleClick="lvProducts_MouseDoubleClick">
            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                </Style>
            </ListView.ItemContainerStyle>
            <ListView.ItemTemplate>
                <DataTemplate>
                    <Border BorderBrush="Black"
                            BorderThickness="1"
                            Margin="5"
                            Padding="8"
                            Background="{Binding RowBrush}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="140"/>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="120"/>
                            </Grid.ColumnDefinitions>
                            <Border Width="120"
                                    Height="120"
                                    BorderBrush="Black"
                                    BorderThickness="1"
                                    HorizontalAlignment="Center">
                                <Image Source="{Binding ImagePath}"
                                       Stretch="Uniform"/>
                            </Border>
                            <StackPanel Grid.Column="1" Margin="10,0">
                                <TextBlock FontWeight="Bold">
                                    <Run Text="{Binding CategoryName}"/>
                                    <Run Text=" | "/>
                                    <Run Text="{Binding TovarName}"/>
                                </TextBlock>
                                <TextBlock TextWrapping="Wrap" Margin="0,3,0,0">
                                    <Run Text="Описание товара: "/>
                                    <Run Text="{Binding Description}"/>
                                </TextBlock>
                                <TextBlock Margin="0,2,0,0">
                                    <Run Text="Производитель: "/>
                                    <Run Text="{Binding Manufacturer}"/>
                                </TextBlock>
                                <TextBlock Margin="0,2,0,0">
                                    <Run Text="Поставщик: "/>
                                    <Run Text="{Binding Supplier}"/>
                                </TextBlock>
                                <TextBlock Margin="0,2,0,0">
                                    <Run Text="Цена: "/>
                                    <Run Text="{Binding Cost}" TextDecorations="Strikethrough"/>
                                    <Run Text=" руб." TextDecorations="Strikethrough"/>
                                </TextBlock>
                                <TextBlock Margin="0,2,0,0">
                                    <Run Text="Ед. изм: "/>
                                    <Run Text="{Binding Unit}"/>
                                </TextBlock>
                                <TextBlock Margin="0,2,0,0">
                                    <Run Text="Склад: "/>
                                    <Run Text="{Binding Stock}"/>
                                </TextBlock>
                                <TextBlock FontWeight="Bold" Margin="0,3,0,0">
                                    <Run Text="Итого: "/>
                                    <Run Text="{Binding FinalPrice}"/>
                                    <Run Text=" руб."/>
                                </TextBlock>
                            </StackPanel>
                            <Border Grid.Column="2"
                                    BorderBrush="#CCC"
                                    BorderThickness="1"
                                    Padding="5"
                                    VerticalAlignment="Center">
                                <StackPanel HorizontalAlignment="Center">
                                    <TextBlock Text="Скидка"
                                               FontWeight="Bold"
                                               TextAlignment="Center"/>
                                    <TextBlock Text="{Binding Discount, StringFormat={}{0}%}"
                                               FontSize="22"
                                               FontWeight="Bold"
                                               Foreground="Red"
                                               HorizontalAlignment="Center"/>
                                </StackPanel>
                            </Border>
                        </Grid>
                    </Border>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
        <Border Grid.Row="1"
        Background="#F5DEB3"
        Padding="10">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>
                <StackPanel Orientation="Horizontal"
                    VerticalAlignment="Center">
                    <TextBox x:Name="tbSearch"
                     Width="224"
                     Height="32"
                     Margin="0,0,10,0"
                     TextChanged="tbSearch_TextChanged"/>
                    <ComboBox x:Name="cbSort"
                      Width="144"
                      Height="32"
                      Margin="0,0,10,0"
                      SelectionChanged="cbSort_SelectionChanged">
                        <ComboBoxItem Content="Цена по возрастанию"/>
                        <ComboBoxItem Content="Цена по убыванию"/>
                        <ComboBoxItem Content="Склад по возрастанию"/>
                        <ComboBoxItem Content="Склад по убыванию"/>
                        <ComboBoxItem Content="Товар по возрастанию"/>
                        <ComboBoxItem Content="Товар по убыванию"/>
                    </ComboBox>
                    <ComboBox x:Name="cbSupplierFilter"
                      Width="149"
                      Height="32"
                      Margin="0,0,10,0"
                      SelectionChanged="cbSupplierFilter_SelectionChanged"/>
                    <Button x:Name="btnAdd"
                    Content="Добавить"
                    Width="120"
                    Background="#DEB887"
                     Foreground="White"
                    Margin="0,0,10,0"
                    Click="Add_Click"/>
                    <Button x:Name="btnDelete"
                    Content="Удалить"
                    Width="120"
                    Margin="0,0,10,0"
                    Background="#DEB887"
                    Foreground="White"
                    Click="Delete_Click"/>
                    <Button x:Name="btnOrders"
                    Content="Заказы"
                    Width="120"
                    Margin="10,0"
                    Click="Orders_Click"
                    Background="#DEB887"
                    Foreground="White"/>
                    <Button Content="Выход"
                    Width="120"
                    Background="#DEB887"
                    Foreground="White"
                    Click="BtnExit_Click"/>
                </StackPanel>
                <StackPanel Grid.Column="1"
                    VerticalAlignment="Center" Margin="0,70,0,0"
                    HorizontalAlignment="Right">
                    <TextBlock x:Name="tbUser"
                       Foreground="White"
                       FontWeight="Bold"
                       FontFamily="Arial"
                       FontSize="14"
                       HorizontalAlignment="Right"/>
                    <TextBlock x:Name="tbRole"
                       Foreground="White"
                       FontFamily="Arial"
                       FontSize="14"
                       HorizontalAlignment="Right"/>
                </StackPanel>
            </Grid>
        </Border>
    </Grid>
</Window>

ProductsRedactor.xaml.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
using KomarovExam.BD;

namespace KomarovExam
{
    public partial class ProductsRedactor : Window
    {
        private BazaDan _db = new BazaDan();
        private ObservableCollection<ProductItem> _data = new ObservableCollection<ProductItem>();
        private ICollectionView _view;
        private User _user;
        private AddEditWindow _opened;
        private string _search = "";
        private string _supplier = "Все поставщики";
        private bool _isGuest;
        private bool _isClient;
        private bool _isAdmin;
        private bool _isManager;

        public ProductsRedactor(User user)
        {
            InitializeComponent();

            _user = user;

            DetectRole();
            SetUserInfo();
            SetPermissions();

            LoadData();

            _view = CollectionViewSource.GetDefaultView(_data);
            lvProducts.ItemsSource = _view;
        }

        private void DetectRole()
        {
            _isGuest = (_user == null);

            if (_user != null && _user.Role != null)
            {
                _isClient = (_user.Role.RoleName == "Авторизированный клиент");
                _isAdmin = (_user.Role.RoleName == "Администратор");
                _isManager = (_user.Role.RoleName == "Менеджер");
            }
        }

        private void SetUserInfo()
        {
            if (_user == null)
            {
                tbUser.Text = "Гость";
                tbRole.Text = "Неавторизованный пользователь";
                return;
            }

            tbUser.Text = _user.Familia + " " + _user.Imya + " " + _user.Otchestvo;
            tbRole.Text = _user.Role.RoleName;
        }

        private void SetPermissions()
        {
            if (_isGuest || _isClient)
            {
                tbSearch.Visibility = Visibility.Collapsed;
                cbSupplierFilter.Visibility = Visibility.Collapsed;
                cbSort.Visibility = Visibility.Collapsed;
                btnOrders.Visibility = Visibility.Collapsed;
                btnAdd.Visibility = Visibility.Collapsed;
                btnDelete.Visibility = Visibility.Collapsed;
            }
            else if (_isManager)
            {
                tbSearch.Visibility = Visibility.Visible;
                cbSupplierFilter.Visibility = Visibility.Visible;
                cbSort.Visibility = Visibility.Visible;
                btnOrders.Visibility = Visibility.Visible;
                btnAdd.Visibility = Visibility.Collapsed;
                btnDelete.Visibility = Visibility.Collapsed;
            }
            else if (_isAdmin)
            {
                tbSearch.Visibility = Visibility.Visible;
                cbSupplierFilter.Visibility = Visibility.Visible;
                cbSort.Visibility = Visibility.Visible;
                btnOrders.Visibility = Visibility.Visible;
                btnAdd.Visibility = Visibility.Visible;
                btnDelete.Visibility = Visibility.Visible;
            }
        }

        private void LoadData()
        {
            _data.Clear();

            List<ProductItem> list = new List<ProductItem>();

            foreach (var p in _db.Tovar.ToList())
            {
                decimal cost = p.Cost;
                int discount = p.Discount.HasValue ? p.Discount.Value : 0;
                int stock = p.KolvoNaSklade.HasValue ? p.KolvoNaSklade.Value : 0;

                decimal final = cost - (cost * discount / 100);

                Brush row = Brushes.Transparent;

                if (stock == 0)
                {
                    row = Brushes.LightBlue;
                }
                else
                {
                    if (discount > 17)
                    {
                        row = (Brush)new BrushConverter().ConvertFrom("#FFDEAD");
                    }
                }

                ProductItem item = new ProductItem();
                item.Id = p.IDTovar;
                item.TovarName = p.TovarName;
                item.Description = p.Description;
                item.CategoryName = p.TovarCategory != null ? p.TovarCategory.TovarCategoryName : "";
                item.Manufacturer = p.Proizvoditeli != null ? p.Proizvoditeli.NameProizvoditelia : "";
                item.Supplier = p.Postavshik != null ? p.Postavshik.PostavshikName : "";

                item.Cost = cost;
                item.FinalPrice = final;
                item.Discount = discount;
                item.Unit = p.EdIzmer != null ? p.EdIzmer.Edzm : "";
                item.Stock = stock;
                item.ImagePath = "/Resources/" + (p.Image != null ? p.Image : "picture.png");

                item.RowBrush = row;

                list.Add(item);
            }

            foreach (var x in list)
            {
                _data.Add(x);
            }

            List<string> suppliers = new List<string>();

            foreach (var x in list)
            {
                if (x.Supplier != null && x.Supplier != "")
                {
                    if (!suppliers.Contains(x.Supplier))
                    {
                        suppliers.Add(x.Supplier);
                    }
                }
            }

            suppliers.Sort();
            suppliers.Insert(0, "Все поставщики");

            cbSupplierFilter.ItemsSource = suppliers;
            cbSupplierFilter.SelectedIndex = 0;
            _supplier = "Все поставщики";
        }

        private void ApplyFilter()
        {
            if (_view == null) return;

            _view.Filter = delegate (object obj)
            {
                ProductItem p = obj as ProductItem;
                if (p == null) return false;

                bool searchOk = false;

                if (_search == "")
                {
                    searchOk = true;
                }
                else
                {
                    if ((p.TovarName != null && p.TovarName.ToLower().Contains(_search)) ||
                        (p.Description != null && p.Description.ToLower().Contains(_search)) ||
                        (p.Manufacturer != null && p.Manufacturer.ToLower().Contains(_search)) ||
                        (p.Supplier != null && p.Supplier.ToLower().Contains(_search)))
                    {
                        searchOk = true;
                    }
                }

                bool supplierOk = false;

                if (_supplier == "Все поставщики")
                {
                    supplierOk = true;
                }
                else
                {
                    supplierOk = (p.Supplier == _supplier);
                }

                return searchOk && supplierOk;
            };
        }

        private void tbSearch_TextChanged(object sender, TextChangedEventArgs e)
        {
            _search = tbSearch.Text.ToLower().Trim();
            ApplyFilter();
        }

        private void cbSupplierFilter_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (cbSupplierFilter.SelectedItem == null) return;

            _supplier = cbSupplierFilter.SelectedItem.ToString();
            ApplyFilter();
        }

        private void cbSort_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (_view == null) return;

            _view.SortDescriptions.Clear();

            int i = cbSort.SelectedIndex;

            if (i == 0)
                _view.SortDescriptions.Add(new SortDescription("Cost", ListSortDirection.Ascending));
            else if (i == 1)
                _view.SortDescriptions.Add(new SortDescription("Cost", ListSortDirection.Descending));
            else if (i == 2)
                _view.SortDescriptions.Add(new SortDescription("Stock", ListSortDirection.Ascending));
            else if (i == 3)
                _view.SortDescriptions.Add(new SortDescription("Stock", ListSortDirection.Descending));
            else if (i == 4)
                _view.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
            else if (i == 5)
                _view.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Descending));
        }

        private void lvProducts_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            ProductItem selected = lvProducts.SelectedItem as ProductItem;
            if (selected == null) return;

            if (_isAdmin == false)
            {
                MessageBox.Show("Только администратор может редактировать");
                return;
            }

            var entity = _db.Tovar
                .Include("TovarCategory")
                .Include("Proizvoditeli")
                .Include("Postavshik")
                .Include("EdIzmer")
                .FirstOrDefault(x => x.IDTovar == selected.Id);

            if (entity == null)
            {
                MessageBox.Show("Не найден товар");
                return;
            }

            AddEditWindow win = new AddEditWindow(entity);

            if (win.ShowDialog() == true)
            {
                _db.SaveChanges();
                LoadData();
            }
        }

        private void Add_Click(object sender, RoutedEventArgs e)
        {
            if (_opened != null) return;

            Tovar t = new Tovar();
            _opened = new AddEditWindow(t);

            if (_opened.ShowDialog() == true)
            {
                LoadData();
            }

            _opened = null;
        }

        private void Delete_Click(object sender, RoutedEventArgs e)
        {
            ProductItem selected = lvProducts.SelectedItem as ProductItem;
            if (selected == null) return;

            var entity = _db.Tovar.FirstOrDefault(x => x.IDTovar == selected.Id);
            if (entity == null) return;

            bool used = _db.Zakaz.Any(x => x.IDTovar == entity.IDTovar);
            if (used)
            {
                MessageBox.Show("Нельзя удалить — есть в заказах");
                return;
            }

            if (MessageBox.Show("Удалить товар?", "Внимание",
                MessageBoxButton.YesNo, MessageBoxImage.Warning) != MessageBoxResult.Yes)
                return;

            _db.Tovar.Remove(entity);
            _db.SaveChanges();

            LoadData();
        }

        private void BtnExit_Click(object sender, RoutedEventArgs e)
        {
            MainWindow w = new MainWindow();
            w.Show();
            this.Close();
        }

        public class ProductItem
        {
            public int Id { get; set; }

            public string CategoryName { get; set; }
            public string TovarName { get; set; }
            public string Description { get; set; }

            public string Manufacturer { get; set; }
            public string Supplier { get; set; }

            public decimal Cost { get; set; }

            public decimal FinalPrice { get; set; }

            public int Discount { get; set; }

            public string Unit { get; set; }
            public int Stock { get; set; }

            public string ImagePath { get; set; }

            public Brush RowBrush { get; set; }
        }

        private void Orders_Click(object sender, RoutedEventArgs e)
        {
            OrdersWindow window = new OrdersWindow(_user);
            window.Show();
            this.Close();
        }
    }
}

OrdersWindow.xaml

<Window x:Class="KomarovExam.OrdersWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Заказы"
        Height="600"
        Width="900"
        Background="#F5DEB3">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition Height="60"/>
        </Grid.RowDefinitions>
        <ListView x:Name="lvOrders"
                  MouseDoubleClick="lvOrders_MouseDoubleClick"
                  Margin="10">
            <ListView.ItemTemplate>
                <DataTemplate>
                    <Border BorderBrush="Black"
                BorderThickness="1"
                Margin="5"
                Padding="10">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*" />
                                <ColumnDefinition Width="180" />
                            </Grid.ColumnDefinitions>
                            <StackPanel Grid.Column="0">
                                <TextBlock Text="{Binding Article}"
                               FontWeight="Bold"
                               FontSize="14"/>
                                <TextBlock>
                        <Run Text="Статус: "/>
                        <Run Text="{Binding Status}"/>
                                </TextBlock>
                                <TextBlock TextWrapping="Wrap">
                        <Run Text="Адрес пункта выдачи: "/>
                        <Run Text="{Binding Address}"/>
                                </TextBlock>
                                <TextBlock>
                        <Run Text="Дата заказа: "/>
                        <Run Text="{Binding OrderDate}"/>
                                </TextBlock>
                            </StackPanel>
                            <Border Grid.Column="1"
                        BorderBrush="Black"
                        BorderThickness="1"
                        Margin="10,0,0,0"
                        Padding="10"
                        HorizontalAlignment="Stretch"
                        VerticalAlignment="Stretch">
                                <StackPanel HorizontalAlignment="Center"
                                VerticalAlignment="Center">
                                    <TextBlock Text="Дата доставки"
                                   FontWeight="Bold"
                                   HorizontalAlignment="Center"/>
                                    <TextBlock Text="{Binding DeliveryDate}"
                                   FontSize="14"
                                   HorizontalAlignment="Center"/>
                                </StackPanel>
                            </Border>
                        </Grid>
                    </Border>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
        <StackPanel Grid.Row="1"
                    Orientation="Horizontal"
                    HorizontalAlignment="Center">
            <Button x:Name="btnAdd"
                    Content="Добавить заказ"
                    Width="140"
                    Margin="10"
                    Background="#DEB887"
                    Foreground="White"
                    Click="Add_Click"/>
            <Button x:Name="btnDelete"
                    Content="Удалить"
                    Width="120"
                    Margin="10"
                    Background="#DEB887"
                    Foreground="White"
                    Click="Delete_Click"/>
            <Button Content="Назад"
                    Width="120"
                    Height="39"
                    Background="#DEB887"
                    Foreground="White"
                    Click="Back_Click"/>
        </StackPanel>
    </Grid>
</Window>

OrdersWindow.xaml.cs

using System;
using System.Collections.ObjectModel;
using System.Linq;
using System.Windows;
using KomarovExam.BD;

namespace KomarovExam
{
    public partial class OrdersWindow : Window
    {
        private BazaDan db = new BazaDan();
        private ObservableCollection<OrderItem> list;

        private User currentUser;

        public OrdersWindow(User user)
        {
            InitializeComponent();

            currentUser = user;

            LoadOrders();

            if (currentUser == null || currentUser.Role.RoleName != "Администратор")
            {
                btnAdd.Visibility = Visibility.Collapsed;
                btnDelete.Visibility = Visibility.Collapsed;
            }
        }

        private void ReloadDb()
        {
            db.Dispose();
            db = new BazaDan();
        }

        private void LoadOrders()
        {
            list = new ObservableCollection<OrderItem>();

            foreach (var item in db.Zakaz.AsNoTracking().ToList())
            {
                string address = "";

                if (item.PunktVidachi != null)
                {
                    address =
                        item.PunktVidachi.AdressIndex + ", " +
                        item.PunktVidachi.Street + " " +
                        (item.PunktVidachi.StreetNumber.HasValue
                            ? item.PunktVidachi.StreetNumber.ToString()
                            : "");
                }

                list.Add(new OrderItem
                {
                    Id = item.IDZakaza,
                    Number = item.NomerZakaza.ToString(),
                    Article = item.Tovar != null ? item.Tovar.Article : "",
                    Status = item.StatusZakaza != null ? item.StatusZakaza.StatusZakazaName : "",
                    Address = address,
                    OrderDate = item.DateZakaza,
                    DeliveryDate = item.DateDelivery,
                    Count = item.Kolvo ?? 0
                });
            }

            lvOrders.ItemsSource = null;
            lvOrders.ItemsSource = list;
        }

        private void Add_Click(object sender, RoutedEventArgs e)
        {
            if (currentUser == null)
            {
                MessageBox.Show("Нет пользователя");
                return;
            }

            var window = new OrderEditWindow(db, null, currentUser);

            if (window.ShowDialog() == true)
            {
                LoadOrders(); 
            }
        }
        private void lvOrders_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            if (currentUser.Role.RoleName != "Администратор")
                return;

            OrderItem selected = lvOrders.SelectedItem as OrderItem;
            if (selected == null) return;

            var order = db.Zakaz.First(x => x.IDZakaza == selected.Id);

            var window = new OrderEditWindow(db, order, currentUser);

            if (window.ShowDialog() == true)
            {
                LoadOrders();
            }
        }
        private void Delete_Click(object sender, RoutedEventArgs e)
        {
            OrderItem selected = lvOrders.SelectedItem as OrderItem;
            if (selected == null) return;

            Zakaz order = db.Zakaz.First(x => x.IDZakaza == selected.Id);

            if (MessageBox.Show("Удалить заказ?", "Подтверждение",
                MessageBoxButton.YesNo) == MessageBoxResult.Yes)
            {
                db.Zakaz.Remove(order);
                db.SaveChanges();

                ReloadDb();   
                LoadOrders(); 
            }
        }

        private void Back_Click(object sender, RoutedEventArgs e)
        {
            ProductsRedactor p = new ProductsRedactor(currentUser);
            p.Show();
            Close();
        }

        public class OrderItem
        {
            public int Id { get; set; }
            public string Number { get; set; }
            public string Article { get; set; }
            public string Status { get; set; }
            public string Address { get; set; }
            public DateTime? OrderDate { get; set; }
            public DateTime? DeliveryDate { get; set; }
            public int Count { get; set; }
        }
    }
}