From 913bb39ba8d77de5271218393cd3a83c4ac54db4 Mon Sep 17 00:00:00 2001
From: Dimitar Byalkov <d.byalkov@student.fontys.nl>
Date: Mon, 1 May 2023 06:04:47 +0200
Subject: [PATCH] Support for nested comments

---
 .../HouseData/Managers/CommentManager.cs      |  6 +++
 .../HouseData/Models/Comment.cs               |  4 +-
 .../Repositories/CommentRepository.cs         | 44 ++++++++++++++++---
 .../WebApp/Pages/Announcement.cshtml          | 43 +++++++++++++++---
 4 files changed, 82 insertions(+), 15 deletions(-)
 create mode 100644 StudentHouseDashboard/HouseData/Managers/CommentManager.cs

diff --git a/StudentHouseDashboard/HouseData/Managers/CommentManager.cs b/StudentHouseDashboard/HouseData/Managers/CommentManager.cs
new file mode 100644
index 0000000..5429680
--- /dev/null
+++ b/StudentHouseDashboard/HouseData/Managers/CommentManager.cs
@@ -0,0 +1,6 @@
+namespace StudentHouseDashboard.Managers;
+
+public class CommentManager
+{
+    //TODO: CRUD
+}
\ No newline at end of file
diff --git a/StudentHouseDashboard/HouseData/Models/Comment.cs b/StudentHouseDashboard/HouseData/Models/Comment.cs
index ca76440..1116add 100644
--- a/StudentHouseDashboard/HouseData/Models/Comment.cs
+++ b/StudentHouseDashboard/HouseData/Models/Comment.cs
@@ -9,8 +9,10 @@ namespace StudentHouseDashboard.Models
     {
         public Comment(int id, User author, string description, string title, DateTime publishDate) : base(id, author, description, title, publishDate)
         {
+            Responses = new List<Comment>();
         }
-
+        
+        public List<Comment> Responses { get; set; }
         public void DownVote()
         {
             throw new NotImplementedException();
diff --git a/StudentHouseDashboard/HouseData/Repositories/CommentRepository.cs b/StudentHouseDashboard/HouseData/Repositories/CommentRepository.cs
index 68a7257..5b954d2 100644
--- a/StudentHouseDashboard/HouseData/Repositories/CommentRepository.cs
+++ b/StudentHouseDashboard/HouseData/Repositories/CommentRepository.cs
@@ -10,7 +10,7 @@ public class CommentRepository
         
     }
 
-    public List<Comment> GetAllCommentsOnAnnouncement(int announcementID)
+    public List<Comment> GetAllCommentsOnAnnouncement(int announcementId)
     {
         List<Comment> comments = new List<Comment>();
         using (SqlConnection connection = SqlConnectionHelper.CreateConnection())
@@ -21,18 +21,48 @@ public class CommentRepository
                          "INNER JOIN Users u ON u.ID = c.Author " +
                          "WHERE ac.AnnouncementID = @announcementID";
             SqlCommand sqlCommand = new SqlCommand(sql, connection);
-            sqlCommand.Parameters.AddWithValue("@announcementID", announcementID);
+            sqlCommand.Parameters.AddWithValue("@announcementID", announcementId);
             var reader = sqlCommand.ExecuteReader();
             while (reader.Read())
             {
-                comments.Add(new Comment((int)reader["ID"], 
-                    new User((int)reader["UserID"], reader["UserName"].ToString(), 
-                        reader["Password"].ToString(), (UserRole)reader["Role"]), 
-                    reader["Description"].ToString(), reader["Title"].ToString(), 
-                    (DateTime)reader["PublishDate"]));
+                Comment newComment = new Comment((int)reader["ID"],
+                    new User((int)reader["UserID"], reader["UserName"].ToString(),
+                        reader["Password"].ToString(), (UserRole)reader["Role"]),
+                    reader["Description"].ToString(), reader["Title"].ToString(),
+                    (DateTime)reader["PublishDate"]);
+                newComment.Responses = GetAllCommentResponses(newComment.ID);
+                comments.Add(newComment);
             }
         }
 
         return comments;
     }
+
+    public List<Comment> GetAllCommentResponses(int commentId)
+    {
+        List<Comment> responses = new List<Comment>();
+        using (SqlConnection connection = SqlConnectionHelper.CreateConnection())
+        {
+            string sql = "SELECT c.ID, c.Author, c.Description, c.Title, c.PublishDate, " +
+                         "u.ID UserID, u.Name UserName, u.Password, u.Role FROM CommentsResponses cr " +
+                         "INNER JOIN Comments c ON c.ID = cr.ResponseID " +
+                         "INNER JOIN Users u ON u.ID = c.Author " +
+                         "WHERE cr.CommentID = @commentID";
+            SqlCommand sqlCommand = new SqlCommand(sql, connection);
+            sqlCommand.Parameters.AddWithValue("@commentID", commentId);
+            var reader = sqlCommand.ExecuteReader();
+            while (reader.Read())
+            {
+                Comment newComment = new Comment((int)reader["ID"],
+                    new User((int)reader["UserID"], reader["UserName"].ToString(),
+                        reader["Password"].ToString(), (UserRole)reader["Role"]),
+                    reader["Description"].ToString(), reader["Title"].ToString(),
+                    (DateTime)reader["PublishDate"]);
+                newComment.Responses = GetAllCommentResponses(newComment.ID);
+                responses.Add(newComment);
+            }
+        }
+
+        return responses;
+    }
 }
\ No newline at end of file
diff --git a/StudentHouseDashboard/WebApp/Pages/Announcement.cshtml b/StudentHouseDashboard/WebApp/Pages/Announcement.cshtml
index 883ee11..254ad15 100644
--- a/StudentHouseDashboard/WebApp/Pages/Announcement.cshtml
+++ b/StudentHouseDashboard/WebApp/Pages/Announcement.cshtml
@@ -1,14 +1,20 @@
 @page
 @using StudentHouseDashboard.Models;
+@using System.Globalization
 @model WebApp.Pages.AnnouncementModel
 @{
     Announcement announcement = (Announcement)ViewData["announcement"];
     ViewData["Title"] = $"{announcement.Title}";
 }
 <h1>@announcement.Title</h1>
-<p>Published @announcement.PublishDate.ToString("g") by @announcement.Author.Name 
-    @(announcement.IsImportant ? "Important" : "") @(announcement.IsSticky ? "Sticky" : "")</p>
-<hr />
+<p>
+    Published @announcement.PublishDate.ToString("g") by @announcement.Author.Name
+    @Html.Raw((announcement.Author.Role == UserRole.ADMIN || announcement.Author.Role == UserRole.MANAGER)
+        ? $"<b>({CultureInfo.CurrentCulture.TextInfo.ToTitleCase(announcement.Author.Role.ToString().ToLower())})</b>"
+        : "")
+    @(announcement.IsImportant ? "Important" : "") @(announcement.IsSticky ? "Sticky" : "")
+</p>
+<hr/>
 <p>@Html.Raw(announcement.Description.Replace(Environment.NewLine, "<br />"))</p>
 <br/>
 <h3>Comments</h3>
@@ -20,11 +26,34 @@ else
 {
     foreach (Comment comment in announcement.Comments)
     {
-        <div class="card">
+        DisplayComment(comment, 0);
+    }
+}
+
+@{
+    void DisplayComment(Comment comment, int level)
+    {
+        <div class="d-flex flex-row">
+        @for (int i = 0; i < level; i++)
+        {
+            <a class="me-3" href="#"></a>
+        }
+        <div class="card flex-fill">
             <div class="card-body">
-                <h5 class="card-title">@comment.Author.Name</h5>
-                <p class="card-text">@Html.Raw(comment.Description.Replace(Environment.NewLine, "<br />"))</p>
-                <a href="#">Respond</a>
+                    <h5 class="card-title">@comment.Author.Name @Html.Raw((comment.Author.Role == UserRole.ADMIN || comment.Author.Role == UserRole.MANAGER) ? $"<b>({CultureInfo.CurrentCulture.TextInfo.ToTitleCase(comment.Author.Role.ToString().ToLower())})</b>" : "")</h5>
+                    <h6>@comment.PublishDate.ToString("g")</h6>
+                    <p class="card-text">@Html.Raw(comment.Description.Replace(Environment.NewLine, "<br />"))</p>
+                    <a class="btn btn-outline-success" href="#">Like</a>
+                    <a class="btn btn-outline-danger" href="#">Dislike</a>
+                    <a class="btn btn-outline-primary" href="#">Reply</a>
+                </div>
+                @if (comment.Responses.Count != 0)
+                {
+                    foreach (var response in comment.Responses)
+                    {
+                        DisplayComment(response, level + 1);
+                    }
+                }
             </div>
         </div>
     }