Cafe/Cafe2/ListWindows/OrdersListWindow.xaml.cs

using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Cafe.ElementsWindows;

namespace Cafe.ListWindows
{
    public partial class OrdersListWindow : Window
    {
        Exchange exchange;

        public OrdersListWindow()
        {
            exchange = GetExchange();

            if (exchange is null)
            {
                ErrorWindow errorWindow = new ErrorWindow("сейчас нет смены");
                errorWindow.Show();
                return;
            }

            InitializeComponent();

            if (User.Role == 2)
            {
                OrdersList.ItemsSource = Connection.db.Orders.Where(item => item.EmployeesExchanges.IDExchange == exchange.ID).ToList();
            }
            else if (User.Role == 3)
            {
                OrdersList.ItemsSource = Connection.db.Orders.Where(item => item.EmployeesExchanges.IDExchange == exchange.ID && !item.IsReady).ToList();
                BackButton.Visibility = Visibility.Hidden;
            }

        }

        private Exchange GetExchange()
        {
            DateTime now = DateTime.Now;

            return Connection.db.Exchange.Where(item => item.Date == now.Date && item.TimeOfBegin <= now.TimeOfDay && item.TimeOfEnd >= now.TimeOfDay).FirstOrDefault();
        }

        private void OrdersListMouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            int id = ((Orders)OrdersList.SelectedItem).ID;
            OrderWindow orderWindow = new OrderWindow(id);
            orderWindow.Show();
            this.Hide();
        }

        private void SearchPreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            if (Search.Text == "Поиск")
                Search.Text = "";
        }

        private void SearchLostFocus(object sender, RoutedEventArgs e)
        {
            if (Search.Text == "")
                Search.Text = "Поиск";
        }

        private void SearchTextChanged(object sender, TextChangedEventArgs e)
        {
            if (Search.Text != "" && Search.Text != "Поиск")
            {
                if (User.Role == 2)
                {
                    OrdersList.ItemsSource = Connection.db.Orders.Where(item => (item.IDTable + " " + item.EmployeesExchanges.Users.SecondName + " "
                                                                                + item.EmployeesExchanges.Users.FirstName + " " + item.EmployeesExchanges.Users.MiddleName + " "
                                                                                + item.Time + " " + item.SumOfOrder).Contains(Search.Text)
                                                                                && item.EmployeesExchanges.IDExchange == exchange.ID).ToList();
                }
                else if (User.Role == 3)
                {
                    OrdersList.ItemsSource = Connection.db.Orders.Where(item => (item.IDTable + " " + item.EmployeesExchanges.Users.SecondName + " "
                                                                                + item.EmployeesExchanges.Users.FirstName + " " + item.EmployeesExchanges.Users.MiddleName + " "
                                                                                + item.Time + " " + item.SumOfOrder).Contains(Search.Text) && !item.IsReady
                                                                                && item.EmployeesExchanges.IDExchange == exchange.ID).ToList();
                }
            }
            else if (Search.Text == "" || Search.Text == "Поиск")
            {
                if (User.Role == 2)
                {
                    OrdersList.ItemsSource = Connection.db.Orders.Where(item => item.EmployeesExchanges.IDExchange == exchange.ID).ToList();
                }
                else if (User.Role == 3)
                {
                    OrdersList.ItemsSource = Connection.db.Orders.Where(item => item.EmployeesExchanges.IDExchange == exchange.ID && !item.IsReady).ToList();
                }
            }
        }

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