PIbd-21_Danilov_V.V._SUBD/NewsBlog/NewsBlogView/FormComment.cs

using NewsBlogAbstractions.Models;
using NewsBlogAbstractions.WorkAbstractions;
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 NewsBlogView
{
	public partial class FormComment : Form
	{
		private readonly ICommentWork _commentLogic;
		private readonly IArticleWork _articleLogic;
		public FormComment(ICommentWork commentLogic, IArticleWork articleLogic)
		{
			InitializeComponent();
			_commentLogic = commentLogic;
			_articleLogic = articleLogic;
		}

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

		private void ButtonCreate_Click(object sender, EventArgs e)
		{
			Comment newComment = new()
			{
				Title = textBoxTitle.Text,
				Content = textBoxContent.Text,
				CreateDate = DateTime.Now,
				ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
			};

			_commentLogic.Create(newComment);

			LoadData();
		}

		private void LoadData()
		{
			var comments = _commentLogic.GetAll();

			dataGridView.Rows.Clear();

			if (dataGridView.ColumnCount == 0)
			{
				dataGridView.Columns.Add("Id", "ID");
				dataGridView.Columns.Add("Title", "Заголовок");
				dataGridView.Columns.Add("Content", "Содержимое");
				dataGridView.Columns.Add("Date", "Дата написания");
				dataGridView.Columns.Add("ArticleId", "ArticleId");
				dataGridView.Columns["ArticleId"].Visible = false;
				dataGridView.Columns.Add("Article", "Статья");
			}

			dataGridView.Columns["Id"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
			dataGridView.Columns["Title"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
			dataGridView.Columns["Content"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
			dataGridView.Columns["Date"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
			dataGridView.Columns["Article"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;

			comboBoxArticle.DataSource = _articleLogic.GetAll();
			comboBoxArticle.DisplayMember = "Article";
			comboBoxArticle.ValueMember = "Title";

			foreach (var comment in comments)
			{
				dataGridView.Rows.Add(comment.Id, comment.Title, comment.Content, comment.CreateDate.ToString("d"), comment.ArticleId, _articleLogic.Get(comment.ArticleId)?.Title);
			}
		}

		private void ButtonUpdate_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count > 0)
			{
				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
				int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

				Comment updatedComment = new()
				{
					Id = commentId,
					Title = textBoxTitle.Text,
					Content = textBoxContent.Text,
					CreateDate = DateTime.Now,
					ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
				};

				_commentLogic.Update(updatedComment);

				LoadData();
			}
			else
			{
				MessageBox.Show("Пожалуйста, выберите комментарий, информацию о котором необходимо обновить");
			}
		}

		private void ButtonDelete_Click(object sender, EventArgs e)
		{
			if (dataGridView.SelectedRows.Count > 0)
			{
				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
				int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

				_commentLogic.Delete(commentId);

				LoadData();
			}
			else
			{
				MessageBox.Show("Пожалуйста, выберите комментарий, информацию о котором необходимо удалить");
			}
		}

		private void DataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
		{
			if (e.RowIndex >= 0)
			{
				DataGridViewRow row = dataGridView.Rows[e.RowIndex];
				textBoxTitle.Text = row.Cells["Title"].Value.ToString();
				textBoxContent.Text = row.Cells["Content"].Value.ToString();
				comboBoxArticle.SelectedValue = row.Cells["Article"].Value;
			}
		}
	}
}