PIAPS_CW/WinFormsApp/FormMediaFiles.cs

using BusinessLogic.BusinessLogic;
using Contracts.BindingModels;
using Contracts.BusinessLogicContracts;
using Contracts.SearchModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WinFormsApp
{
    public partial class FormMediaFiles : Form
    {
        private readonly ILogger _logger;
        private readonly IMediaFileLogic _mediafileLogic;
        private readonly IProductLogic _productLogic;
        private string? _filename;
        public FormMediaFiles(ILogger<FormMediaFiles> logger, IMediaFileLogic mediaFileLogic, IProductLogic productLogic)
        {
            InitializeComponent();
            _logger = logger;
            _mediafileLogic = mediaFileLogic;
            _productLogic = productLogic;
            _filename = null;
        }

        private void LoadData()
        {
            if (comboBoxProduct.SelectedIndex < 0) return;
            var list = _mediafileLogic.ReadList(new MediaFileSearchModel()
            {
                ProductId = (Guid?)comboBoxProduct.SelectedValue ?? Guid.Empty,
            });
            panelFiles.Controls.Clear();
            foreach (var item in list)
            {
                var imageBox = new PictureBox();
                imageBox.Dock = DockStyle.Top;
                imageBox.Image = new Bitmap(item.Location);
                imageBox.Width = groupBox1.Width;
                panelFiles.Controls.Add(imageBox);
                imageBox.SizeMode = PictureBoxSizeMode.Zoom;
                imageBox.Height = 400;
                panelFiles.Refresh();
            }

        }

        private void FormMediaFiles_Load(object sender, EventArgs e)
        {
            try
            {
                var list = _productLogic.ReadList(null);
                if (list != null)
                {
                    comboBoxProduct.DisplayMember = "Name";
                    comboBoxProduct.ValueMember = "Id";
                    comboBoxProduct.DataSource = list;
                    comboBoxProduct.SelectedItem = null;
                }

            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки списка продуктов");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void comboBoxProduct_SelectedIndexChanged(object sender, EventArgs e)
        {
            LoadData();
        }

        private void buttonAdd_Click(object sender, EventArgs e)
        {
            if (comboBoxProduct.SelectedIndex != -1 && !string.IsNullOrEmpty(_filename))
            {
                _mediafileLogic.Create(new MediaFileBindingModel()
                {
                    Id = Guid.NewGuid(),
                    Name = System.IO.Path.GetFileNameWithoutExtension(_filename),
                    Location = _filename,
                    ProductId = (Guid)comboBoxProduct.SelectedValue,
                });
            }
        }

        private void buttonSelectFile_Click(object sender, EventArgs e)
        {
            var dialog = new OpenFileDialog();
            dialog.Filter = "Image Files(*.jpg; *.png; *.jpeg; *.gif; *.bmp)|*.jpg;*.png;*.jpeg;*.gif;*.bmp";
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                _filename = dialog.FileName;
                labelFile.Text = System.IO.Path.GetDirectoryName(_filename);
            }
        }

        private void FormMediaFiles_Resize(object sender, EventArgs e)
        {
            panelFiles.Width = Convert.ToInt32(this.Width * 0.5);
            panelFiles.Height = this.Height;
            foreach (var control in this.Controls.OfType<PictureBox>())
            {
                control.Width = panelFiles.Width;
                control.Height = Convert.ToInt32(panelFiles.Height * 0.3);
            }
        }
    }
}