Web and Desktop - comment threads

StudentHouseDashboard/WinForms/CommentForm.cs

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+using StudentHouseDashboard.Managers;
+using StudentHouseDashboard.Models;
+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 WinForms
+{
+    public partial class CommentForm : Form
+    {
+        Comment? comment;
+        User currentUser;
+        bool announcementResponse;
+        int parentId;
+        public CommentForm(Comment? comment, bool readOnly, User currentUser)
+        {
+            InitializeComponent();
+            this.comment = comment;
+            this.currentUser = currentUser;
+
+            // restriction: no need to create events in the past
+            dtpPublishDate.Enabled = false;
+
+            if (comment != null)
+            {
+                tbTitle.Text = comment.Title;
+                lblAuthor.Text = $"Created by: {comment.Author.Name}";
+                tbDescription.Text = comment.Description;
+                dtpPublishDate.Value = comment.PublishDate;
+                RefreshComments();
+            }
+            else
+            {
+                btnCreateComment.Enabled = false;
+                btnDeleteComment.Enabled = false;
+                btnEditComment.Enabled = false;
+                btnViewComment.Enabled = false;
+            }
+
+            if (comment != null && currentUser != null)
+            {
+                if (currentUser.ID != comment.Author.ID)
+                {
+                    // restriction: only edit personal comments
+                    readOnly = true;
+                }
+            }
+
+            if (readOnly)
+            {
+                btnSave.Enabled = false;
+                tbTitle.Enabled = false;
+                tbDescription.Enabled = false;
+            }
+
+            if (currentUser != null)
+            {
+                lblAuthor.Text = $"Created by: {currentUser.Name}";
+            }
+        }
+        public CommentForm(Comment? comment, bool readOnly, User? currentUser, bool announcementResponse, int parentId) : this(comment, readOnly, currentUser)
+        {
+            this.announcementResponse = announcementResponse;
+            this.parentId = parentId;
+        }
+        private void btnSave_Click(object sender, EventArgs e)
+        {
+            CommentManager commentManager = new CommentManager();
+            if (string.IsNullOrEmpty(tbTitle.Text) || string.IsNullOrEmpty(tbDescription.Text))
+            {
+                MessageBox.Show("Please enter a title and comment text");
+                return;
+            }
+            if (this.comment == null)
+            {
+                if (announcementResponse)
+                {
+                    commentManager.CreateCommentToAnnouncement(currentUser, tbDescription.Text, tbTitle.Text, dtpPublishDate.Value, parentId);
+                }
+                else
+                {
+                    commentManager.CreateResponseToComment(currentUser, tbDescription.Text, tbTitle.Text, dtpPublishDate.Value, parentId);
+                }
+            }
+            else
+            {
+                commentManager.UpdateComment(comment.ID, tbDescription.Text);
+            }
+        }
+
+        private void btnViewComment_Click(object sender, EventArgs e)
+        {
+            if (listBox1.SelectedIndex == -1)
+            {
+                MessageBox.Show("Please select an item from the list");
+            }
+            else
+            {
+                CommentForm form = new CommentForm((Comment)listBox1.SelectedItem, true, currentUser);
+                form.ShowDialog();
+                RefreshComments();
+            }
+            
+        }
+
+        private void btnEditComment_Click(object sender, EventArgs e)
+        {
+            if (listBox1.SelectedIndex == -1)
+            {
+                MessageBox.Show("Please select an item from the list");
+            }
+            else
+            {
+                CommentForm form = new CommentForm((Comment)listBox1.SelectedItem, false, currentUser);
+                form.ShowDialog();
+                RefreshComments();
+            }
+        }
+
+        private void btnDeleteComment_Click(object sender, EventArgs e)
+        {
+            if (listBox1.SelectedIndex == -1)
+            {
+                MessageBox.Show("Please select an item from the list");
+            }
+            else
+            {
+                Comment currentResponse = (Comment)listBox1.SelectedItem;
+                if (MessageBox.Show($"Are you sure you want to delete\n{currentResponse.Title}\nCreated at {currentResponse.PublishDate.ToString("g")} by {currentResponse.Author.Name}",
+        "Delete announcement", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    CommentManager commentManager = new CommentManager();
+                    commentManager.DeleteResponseOnComment(currentResponse.ID, comment.ID);
+                }
+                RefreshComments();
+            }
+        }
+
+        private void btnCreateComment_Click(object sender, EventArgs e)
+        {
+            CommentForm form = new CommentForm(null, false, currentUser, false, comment.ID);
+            form.ShowDialog();
+            RefreshComments();
+        }
+        private void RefreshComments()
+        {
+            listBox1.Items.Clear();
+            foreach (var item in comment.Responses)
+            {
+                listBox1.Items.Add(item);
+            }
+        }
+    }
+}