WhiteErase/WriteErase/ClassPages/PageOrderView.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;

namespace WriteErase.ClassPages
{
    /// <summary>
    /// Логика взаимодействия для PageOrderView.xaml
    /// </summary>
    public partial class PageOrderView : Page
    {
        public PageOrderView()
        {
            InitializeComponent();
            lvOrder.ItemsSource = BaseConnection.kotBase.Order.ToList();
        }

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

        private void cbCostSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (lvOrder != null && cbCost != null)
                filter();
        }

        private void cbDiscountSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (lvOrder != null && cbDiscount != null)
                filter();
        }

        private void filter()
        {
            List<Order> list = BaseConnection.kotBase.Order.ToList();

            //сортировка по стоимости
            switch (cbCost.SelectedIndex)
            {
                case 1:
                    {
                        list = list.OrderBy(tb => tb.CostWithDiscount).ToList();
                        break;
                    }
                case 2:
                    {
                        list = list.OrderByDescending(tb => tb.CostWithoutDiscount).ToList();
                        break;
                    }
                default:
                    break;
            }
            //фильтрация по скидке
            switch (cbDiscount.SelectedIndex)
            {
                case 1:
                    {
                        list = list.Where(tb => tb.ProcentCost >= 0.0 && tb.ProcentCost <= 9.99).ToList();
                        break;
                    }
                case 2:
                    {
                        list = list.Where(tb => tb.ProcentCost >= 10.0 && tb.ProcentCost <= 14.99).ToList();
                        break;
                    }
                case 3:
                    {
                        list = list.Where(tb => tb.ProcentCost >= 15.0).ToList();
                        break;
                    }
                default:
                    break;
            }

            lvOrder.ItemsSource = list;
        }
    }
}