PIbd-22-Ismailov_SUBD/BlogDataModels/BlogViewModel/FormMain.cs

using ForumBusinessLogic;
using ForumContracts.BindingModels;
using ForumContracts.BusinessLogicContracts;
using System.Windows.Forms;

namespace Forum
{
    public partial class FormMain : Form
    {
        private readonly IMessageLogic _messageLogic;
        public FormMain(IMessageLogic messageLogic)
        {
            InitializeComponent();
            _messageLogic = messageLogic;
        }

        private void ðîëèToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormRoles));

            if (service is FormRoles form)
            {
                form.ShowDialog();
            }
        }

        private void ïîëüçîâàòåëèToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormUsers));

            if (service is FormUsers form)
            {
                form.ShowDialog();
            }
        }

        private void êàòåãîðèèToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormCategories));

            if (service is FormCategories form)
            {
                form.ShowDialog();
            }
        }

        private void buttonCreate_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormCreateMessage));

            if (service is FormCreateMessage form)
            {
                form.ShowDialog();
                LoadData();
            }
        }

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

        private void LoadData()
        {
            try
            {
                var list = _messageLogic.ReadList(null);
                if (list != null)
                {
                    dataGridView.DataSource = list;
                    dataGridView.Columns["Id"].Visible = false;
                    dataGridView.Columns["UserId"].Visible = false;
                    dataGridView.Columns["TopicId"].Visible = false;
                    dataGridView.Columns["Username"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                    dataGridView.Columns["TopicName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                    dataGridView.Columns["Text"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                    dataGridView.Columns["Date"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void buttonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Óäàëèòü çàïèñü?", "Âîïðîñ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);

                    try
                    {
                        if (!_messageLogic.Delete(new MessageBindingModel
                        {
                            Id = id
                        }))
                        {
                            throw new Exception("Îøèáêà ïðè óäàëåíèè.");
                        }

                        LoadData();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }

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

        private void buttonChange_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormCreateMessage));

                if (service is FormCreateMessage form)
                {
                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);

                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
            }
        }

        private void òåñòûToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormTests));

            if (service is FormTests form)
            {
                form.ShowDialog();
            }
        }
    }
}