ggwp/GGwp/Page/Guest.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;

namespace GGwp
{
    /// <summary>
    /// Логика взаимодействия для Guest.xaml
    /// </summary>
    public partial class Guest : Page
    {
        TradePrytovEntities DB = new TradePrytovEntities();
        int AllData;

        public Guest()
        {
            InitializeComponent();
            ProductList.ItemsSource = DB.Product.ToList();
            FilterByPromo.ItemsSource = new List<string>() { "Все", "Скаидка 0-9,99%", "Скидка 10-14,99%", "Скидка 15% и более" };
            SortByName.ItemsSource = new List<string>() { "Без сортировки", "По имени А-Я", "По имени Я-А" };
            SortByName.SelectedIndex = 0;
            FilterByPromo.SelectedIndex = 0;
            AllData = ProductList.Items.Count;
            AmountOfData.Text = AllData + " из " + AllData + " товаров";
        }
        public Guest(int id)
        {
            InitializeComponent();
            ProductList.ItemsSource = DB.Product.ToList();
            User user = DB.User.Where(x => x.UserID == id).FirstOrDefault();
            if (user.UserRole == 1)
            {
                ButtonsForAdmin.Visibility = Visibility.Visible;
            }
            FilterByPromo.ItemsSource = new List<string>() { "Все", "Скидка 0-9,99%", "Скидка 10-14,99%", "Скидка 15% и более" };
            SortByName.ItemsSource = new List<string>() { "Без сортировки", "По имени А-Я", "По имени Я-А" };
            SortByName.SelectedIndex = 0;
            FilterByPromo.SelectedIndex = 0;
        }

        public void BackgroundLoad(object sender, RoutedEventArgs e)
        {
            Grid bgr = (Grid)sender;
            string Article = bgr.Uid.ToString();
            Product pr = DB.Product.Where(x => x.ProductArticleNumber == Article).FirstOrDefault();
            if (pr.ProductMaxDiscountAmount > 15)
            {
                bgr.Background = (SolidColorBrush)new BrushConverter().ConvertFrom("#7fff00");
            }
        }

        public void StrikePrice(object sender, RoutedEventArgs e)
        {
            TextBlock tb = (TextBlock)sender;
            string Article = tb.Uid.ToString();
            Product pr = DB.Product.Where(x => x.ProductArticleNumber == Article).FirstOrDefault();
            tb.Text = "Цена: " + string.Format("{0:C2}", pr.ProductCost);
            if (pr.ProductMaxDiscountAmount > 0)
            {
                tb.TextDecorations = TextDecorations.Strikethrough;
            }
        }

        public void PromoPrice(object sender, RoutedEventArgs e)
        {
            TextBlock tb = (TextBlock)sender;
            string Article = tb.Uid.ToString();
            Product pr = DB.Product.Where(x => x.ProductArticleNumber == Article).FirstOrDefault();
            if (pr.ProductMaxDiscountAmount > 0)
            {
                tb.Text = "Цена: " + string.Format("{0:C2}", (pr.ProductCost - (pr.ProductCost / 100 * pr.ProductMaxDiscountAmount)));
                tb.FontWeight = FontWeights.Bold;
            }
        }

        private void Photo(object sender, RoutedEventArgs e)
        {
            Image pic = (Image)sender;
            string Article = pic.Uid.ToString();
            string photoPath = DB.Product.Where(x => x.ProductArticleNumber == Article).Select(x => x.ProductPhoto).FirstOrDefault();
            if (photoPath != null && photoPath != "")
            {
                pic.Source = new BitmapImage(new Uri(Environment.CurrentDirectory + "\\Pictures\\" + photoPath, UriKind.RelativeOrAbsolute));
            }
            else
            {
                pic.Source = new BitmapImage(new Uri(Environment.CurrentDirectory + "\\Pictures\\picture.png", UriKind.RelativeOrAbsolute));
            }
        }

        private void Filter()
        {
            List<Product> products = DB.Product.ToList();
            if (SortByName.SelectedIndex != 0)
            {
                switch (SortByName.SelectedIndex)
                {
                    case 1:
                        products = products.OrderBy(x => x.ProductName).ToList();
                        break;
                    case 2:
                        products = products.OrderByDescending(x => x.ProductName).ToList();
                        break;
                }
            }
            if (FilterByPromo.SelectedIndex != 0)
            {
                switch (FilterByPromo.SelectedIndex)
                {
                    case 1:
                        products = products.Where(x => x.ProductMaxDiscountAmount >= 0 && x.ProductMaxDiscountAmount < 10).ToList();
                        break;
                    case 2:
                        products = products.Where(x => x.ProductMaxDiscountAmount >= 10 && x.ProductMaxDiscountAmount < 15).ToList();
                        break;
                    case 3:
                        products = products.Where(x => x.ProductMaxDiscountAmount >= 15).ToList();
                        break;
                }
            }
            if (!string.IsNullOrEmpty(SearchByName.Text))
            {
                products = products.Where(x => x.ProductName.ToUpper().Contains(SearchByName.Text.ToUpper())).ToList();
            }
            ProductList.ItemsSource = products;
            AmountOfData.Text = products.Count() + " из " + AllData + " товаров";
        }

        private void SortFilterChanged(object sender, SelectionChangedEventArgs e)
        {
            Filter();
        }

        private void SearchChanged(object sender, TextChangedEventArgs e)
        {
            Filter();
        }

        private void CartAdd(object sender, RoutedEventArgs e)
        {
            MenuItem bt = (MenuItem)sender;
            string article = bt.Uid.ToString();
            Product pr = DB.Product.Where(x => x.ProductArticleNumber == article).First();
            AmountProduct pa = new AmountProduct();
            if (Cart.AmountProduct.Count != 0 && Cart.AmountProduct.Contains(pa))
            {
                pa = Cart.AmountProduct.Where(x => x.Article == article).First();
            }
            if (pa.Article != null)
            {
                int index = Cart.AmountProduct.IndexOf(pa);
                Cart.   AmountProduct[index].Amount++;
            }
            else
            {
                pa.Amount = 1;
                pa.Article = article;
                Cart.Products.Add(pr);
                Cart.AmountProduct.Add(pa);
            }
            ToCart.Visibility = Visibility.Visible;
        }

        private void CartGo(object sender, RoutedEventArgs e)
        {
            Cart ct = new Cart();
            ct.ShowDialog();
        }
    }
}