mdk-01.01-school/school/FolderPages/pageEditServiseImage.xaml.cs

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
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 school
{
    /// <summary>
    /// Логика взаимодействия для pageEditServiseImage.xaml
    /// </summary>
    public partial class pageEditServiseImage : Page
    {
        Service thisService;
        private void convertImage(byte[] byteArray, System.Windows.Controls.Image img)
        {
            BitmapImage BI = new BitmapImage();
            BI.BeginInit();
            BI.StreamSource = new MemoryStream(byteArray);
            BI.EndInit();
            img.Source = BI;
            img.Stretch = Stretch.Uniform;
        }
        public pageEditServiseImage(int idServise)
        {
            thisService = baseConnect.thisBase.Service.Where(tb => tb.ID == idServise).FirstOrDefault();
            InitializeComponent();
            init();
        }

        private void init()
        {
            List<ServicePhoto> list = baseConnect.thisBase.ServicePhoto.Where(tb => tb.ServiceID == thisService.ID).ToList();//получаем все дополнительные фото 
            if (list != null)
            {
                if (list.Count > 0) TBNoPhoto.Visibility = Visibility.Collapsed;
                else TBNoPhoto.Visibility = Visibility.Visible;
                LVImageService.ItemsSource = list;
            }
        }
        private void BtnBackClick(object sender, RoutedEventArgs e)
        {
            dataFrame.mainFrame.Navigate(new pageEditService(thisService.ID));//возвращаемся на страницу редактирования услуги
        }

        private void BtnAddClick(object sender, RoutedEventArgs e)
        {
            try
            {
                OpenFileDialog OFD = new OpenFileDialog();
                OFD.Multiselect = true;
                if (OFD.ShowDialog() == true)
                {
                    foreach (string file in OFD.FileNames)
                    {
                        ServicePhoto photo = new ServicePhoto();
                        photo.ServiceID = thisService.ID;
                        photo.PhotoPath = File.ReadAllBytes(file);
                        baseConnect.thisBase.ServicePhoto.Add(photo);
                    }
                }
                baseConnect.thisBase.SaveChanges();
                init();
                MessageBox.Show("Фото успешно загружено", "Успешно", MessageBoxButton.OK, MessageBoxImage.Information);
            }
            catch
            {
                MessageBox.Show("Не удалось загрузить фото", "Ошибка загрузки фото", MessageBoxButton.OK, MessageBoxImage.Error);
            }

        }

        private void BtnDeleteClick(object sender, RoutedEventArgs e)
        {
            Button btn = (Button)sender;
            int id = Convert.ToInt32(btn.Uid);

            ServicePhoto photo = baseConnect.thisBase.ServicePhoto.Where(tb => tb.ID == id).FirstOrDefault();
            if (photo != null)
            {
                try
                {
                    baseConnect.thisBase.ServicePhoto.Remove(photo);
                    baseConnect.thisBase.SaveChanges();
                    init();
                }
                catch
                {
                    MessageBox.Show("Ошибка удаления фото");
                }
            }
        }
    }
}