WhiteErase/WriteErase/ClassPages/PageMain.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using WriteErase.ClassBase;
using WriteErase.ClassData;
using WriteErase.ClassWindows;

namespace WriteErase.ClassPages
{
    /// <summary>
    /// Логика взаимодействия для PageMain.xaml
    /// </summary>
    public partial class PageMain : Page
    {
        private enum Role { Admin, Manager, User, Noname };
        private Role userRole;
        private string lastClickItem = "";
        public PageMain()
        {
            InitializeComponent();
            initCompomemt();
        }

        private void initCompomemt()
        {
            if (UserSession.user != null)
            {
                switch (UserSession.user.Role.RoleName)
                {
                    case "Администратор":
                        userRole = Role.Admin; break;
                    case "Менеджер":
                        userRole = Role.Manager; break;
                    case "Клиент":
                        userRole = Role.User; break;
                    default:
                        userRole = Role.Noname; break;
                }

                string FullName = UserSession.user.UserSurname + " " +
                     UserSession.user.UserName[0] + ". ";
                if (!string.IsNullOrWhiteSpace(UserSession.user.UserPatronymic))
                    FullName += UserSession.user.UserPatronymic[0] + ".";
                tbkFullName.Text = FullName;
            }
            else
            {
                tbkFullName.Visibility = Visibility.Collapsed;
                userRole = Role.Noname;
            }

            List<Product> products = BaseConnection.kotBase.Product.ToList();
            lvProduct.ItemsSource = products;
            tbkCountRecord.Text = "Количество записей " + products.Count + " из " + products.Count;

            if (userRole == Role.Noname || userRole == Role.User)
            {
                btnOrderView.Visibility = Visibility.Collapsed;
            }

            if (userRole != Role.Admin)
                btnAddProduct.Visibility = Visibility.Collapsed;

            if (UserBasket.basket.Count > 0)
                btnBasket.Visibility = Visibility.Visible;
            else
                btnBasket.Visibility = Visibility.Collapsed;
        }

        private void btnExitClick(object sender, RoutedEventArgs e)
        {
            UserSession.user = null;
            UserBasket.basket.Clear();
            MainFrame.mainFrame.Navigate(new PageAuthorization());
        }

        private void SearchSortFilter()
        {
            List<Product> _products = BaseConnection.kotBase.Product.ToList();
            int allRecordCount = _products.Count;

            if (!string.IsNullOrWhiteSpace(tbxName.Text))
                _products = _products.Where(tb => tb.ProductName.ToLower().Contains(tbxName.Text.ToLower())).ToList();

            switch (cbCost.SelectedIndex)
            {
                case 1:
                    {
                        _products = _products.OrderBy(tb => tb.Cost).ToList();
                        break;
                    }
                case 2:
                    {
                        _products = _products.OrderByDescending(tb => tb.Cost).ToList();
                        break;
                    }
                default:
                    break;
            }

            switch (cbDiscount.SelectedIndex)
            {
                case 1:
                    {
                        _products = _products.Where(tb => tb.ProductDiscountMax >= 0.0 && tb.ProductDiscountMax <= 9.99).ToList();
                        break;
                    }
                case 2:
                    {
                        _products = _products.Where(tb => tb.ProductDiscountMax >= 10.0 && tb.ProductDiscountMax <= 14.99).ToList();
                        break;
                    }
                case 3:
                    {
                        _products = _products.Where(tb => tb.ProductDiscountMax >= 15.0).ToList();
                        break;
                    }
                default:
                    break;
            }

            lvProduct.ItemsSource = _products;
            tbkCountRecord.Text = "Количество записей " + _products.Count + " из " + allRecordCount;
        }
        private void SortSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (cbDiscount != null && lvProduct != null)
                SearchSortFilter();
        }

        private void FilterSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (cbCost != null && lvProduct != null)
                SearchSortFilter();
        }

        private void SearchTextChanged(object sender, TextChangedEventArgs e)
        {
            if (tbxName != null && lvProduct != null)
                SearchSortFilter();
        }

        private void AddBasketClick(object sender, RoutedEventArgs e)
        {
            MenuItem menuItem = (MenuItem)sender;
            if (lastClickItem != "")
            {
                Product product = BaseConnection.kotBase.Product.First(tb => tb.ProductArticleNumber == lastClickItem);
                switch (menuItem.Header)
                {
                    case "Добавить в корзину":
                        {
                            product.CountProduct = 1;
                            UserBasket.basket.Add(product);
                            break;
                        }
                    case "Удалить из корзины":
                        {
                            product.CountProduct = 0;
                            UserBasket.basket.Remove(product);
                            break;
                        }
                }
            }

            if (UserBasket.basket.Count > 0)
                btnBasket.Visibility = Visibility.Visible;
            else
                btnBasket.Visibility = Visibility.Collapsed;
        }

        private void DelteClick(object sender, RoutedEventArgs e)
        {
            if (lastClickItem != "")
            {
                Product product = BaseConnection.kotBase.Product.First(tb => tb.ProductArticleNumber == lastClickItem);
                BaseConnection.kotBase.Product.Remove(product);
                BaseConnection.kotBase.SaveChanges();
                SearchSortFilter();
            }
        }

        private void EditClick(object sender, RoutedEventArgs e)
        {
            Product p = (Product)lvProduct.SelectedItem;
            MainFrame.mainFrame.Navigate(new PageEditProduct(p.ProductArticleNumber));
        }

        private void AddBasketLoaded(object sender, RoutedEventArgs e)
        {
            MenuItem menuItem = (MenuItem)sender;
            if (UserBasket.basket.FirstOrDefault(tb => tb.ProductArticleNumber == lastClickItem) == null)
                menuItem.Header = "Добавить в корзину";
            else
                menuItem.Header = "Удалить из корзины";
        }

        private void AdminLoaded(object sender, RoutedEventArgs e)
        {
            MenuItem menuItem = (MenuItem)sender;
            if (userRole == Role.Admin)
                menuItem.Visibility = Visibility.Visible;
            else
                menuItem.Visibility = Visibility.Collapsed;
        }

        private void ListViewItemMouseDown(object sender, MouseButtonEventArgs e)
        {
            Border border = (Border)sender;
            lastClickItem = border.Uid;
        }

        private void btnBasketClick(object sender, RoutedEventArgs e)
        {
            WindowOrderView window = new WindowOrderView();
            window.ShowDialog();
            if (UserBasket.basket.Count == 0)
                btnBasket.Visibility = Visibility.Collapsed;
        }

        private void btnOrderViewClick(object sender, RoutedEventArgs e)
        {
            MainFrame.mainFrame.Navigate(new PageOrderView());
        }

        private void btnAddProductClick(object sender, RoutedEventArgs e)
        {
            MainFrame.mainFrame.Navigate(new PageEditProduct());
        }
    }
}