Demo/DemoExam/Pages/pgAgentsOutput.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 DemoExam
{
    /// <summary>
    /// Логика взаимодействия для pgAgentsOutput.xaml
    /// </summary>
    public partial class pgAgentsOutput : Page
    {
        DBConnect dbConnect = new DBConnect();
        List<Agent> agents = new List<Agent>();
        List<AgentType> agentTypes = new List<AgentType>();
        public pgAgentsOutput()
        {
            InitializeComponent();
            agents = dbConnect.agentEntities.Agent.ToList();
            lbAgents.ItemsSource = agents;
            agentTypes = dbConnect.agentEntities.AgentType.ToList();
            cbFilter.Items.Add("Все типы");
            cbFilter.SelectedIndex = 0;

            cbSort.Items.Add("Без сортировки");
            cbSort.Items.Add("Наименование (по возрастанию)");
            cbSort.Items.Add("Наименование (по убыванию)");
            cbSort.Items.Add("Размер скидки (по возрастанию)");
            cbSort.Items.Add("Размер скидки (по убыванию)");
            cbSort.Items.Add("Приоритет (по возрастанию)");
            cbSort.Items.Add("Приоритет (по убыванию)");
            cbSort.SelectedIndex = 0;
            
            foreach (var type in agentTypes)
            {
                cbFilter.Items.Add(type.Title);
            }
            
        }

        private void Filters()
        {
            
            if (cbFilter.SelectedIndex != 0)
            {
                agents = dbConnect.agentEntities.Agent.Where(x => x.AgentType.Title == cbFilter.SelectedItem.ToString()).ToList();
            }
            else
            {
                agents = dbConnect.agentEntities.Agent.ToList();
            }

            if (tbSearch.Text.Length > 0)
            {                
                agents = agents.Where(x => x.Title.Contains(tbSearch.Text) || x.Email.Contains(tbSearch.Text) || x.Phone.Contains(tbSearch.Text)).ToList();
            }

            switch (cbSort.SelectedIndex)
            {
                case 0:
                    {
                        if (cbFilter.SelectedIndex != 0)
                        {
                            agents = dbConnect.agentEntities.Agent.Where(x => x.AgentType.Title == cbFilter.SelectedItem.ToString()).ToList();
                        }
                        break;
                    }
                case 1:
                    {
                        agents = agents.OrderBy(x => x.Title).ToList();
                        break;
                    }
                case 2:
                    {
                        agents = agents.OrderByDescending(x => x.Title).ToList();
                        break;
                    }
                case 3:
                    {
                        agents = agents.OrderBy(x => x.Discount).ToList();
                        break;
                    }
                case 4:
                    {
                        agents = agents.OrderByDescending(x => x.Discount).ToList();
                        break;
                    }
                case 5:
                    {
                        agents = agents.OrderBy(x => x.Priority).ToList();
                        break;
                    }
                case 6:
                    {
                        agents = agents.OrderByDescending(x => x.Priority).ToList();
                        break;
                    }
            }

            lbAgents.ItemsSource = agents;
        }

        private void cbChanged(object sender, SelectionChangedEventArgs e)
        {
            Filters();
        }

        private void tbSearch_TextChanged(object sender, TextChangedEventArgs e)
        {
            Filters();
        }

        private void lbAgents_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if(lbAgents.SelectedItems.Count >= 2)
            {
                btnChangePriority.Visibility = Visibility.Visible;
            }
        }

        private void btnChangePriority_Click(object sender, RoutedEventArgs e)
        {
            List<Agent> selectedAgents = new List<Agent>();
            List<int> ids = new List<int>();
            foreach(var item in lbAgents.SelectedItems)
            {
                selectedAgents.Add(item as Agent);
            }
            windChangePriority windChangePriority = new windChangePriority(selectedAgents);

            windChangePriority.ShowDialog();
            lbAgents.Items.Refresh();
        }
    }
}