Comment feature

Controller/Blog.php

@@ -44,6 +44,7 @@ public function index()
     public function post()
     {
         $this->oUtil->oPost = $this->oModel->getById($this->_iId); // Get the data of the post
+        $this->oUtil->oComments = $this->oModel->getPostComments($this->_iId); 
 
         $this->oUtil->getView('post');
     }

Controller/Comment.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * @author           Serge Kishiko <sergekishiko@gmail.com>
+ * @copyright        (c) 2015-2017, Pierre-Henry Soria. All Rights Reserved.
+ * @license          Lesser General Public License <http://www.gnu.org/copyleft/lesser.html>
+ * @link             http://hizup.uk
+ */
+
+namespace TestProject\Controller;
+
+class Comment
+{
+    protected $oUtil, $oModel;
+
+    public function __construct()
+    {
+        // Enable PHP Session
+        if (empty($_SESSION))
+            @session_start();
+
+        $this->oUtil = new \TestProject\Engine\Util;
+
+        /** Get the Model class in all the controller class **/
+        $this->oUtil->getModel('Comment');
+        $this->oModel = new \TestProject\Model\Comment;
+    }
+
+    public function add()
+    {
+        if (!empty($_POST['add_comment']))
+        {
+            if (isset($_POST['id_post'], $_POST['content'], $_POST['author_name']))
+            {
+                $aData = array(
+                    'id_post' => $_POST['id_post'], 
+                    'content' => $_POST['content'], 
+                    'author_name' => $_POST['author_name'],
+                    'created_date' => date('Y-m-d H:i:s')
+                );
+
+                if ($this->oModel->add($aData))
+                    header('Location:' . ROOT_URL . '?p=blog&a=post&id=' . $_POST['id_post']);
+                else
+                    $this->oUtil->sErrMsg = 'Whoops! An error has occurred! Please try again later.';
+            }
+            else
+            {
+                $this->oUtil->sErrMsg = 'All fields are required and the title cannot exceed 50 characters.';
+            }
+        }
+    }
+}

Model/Blog.php

@@ -11,10 +11,12 @@
 class Blog
 {
     protected $oDb;
+    private $oCommentModel;
 
     public function __construct()
     {
         $this->oDb = new \TestProject\Engine\Db;
+        $this->oCommentModel = new \TestProject\Model\Comment;
     }
 
     public function get($iOffset, $iLimit)
@@ -32,6 +34,11 @@ public function getAll()
         return $oStmt->fetchAll(\PDO::FETCH_OBJ);
     }
 
+    public function getPostComments($iPostId)
+    {
+        return $this->oCommentModel->getPostComments($iPostId);
+    }
+
     public function add(array $aData)
     {
         $oStmt = $this->oDb->prepare('INSERT INTO Posts (title, body, createdDate) VALUES(:title, :body, :created_date)');

Model/Comment.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @author           Serge Kishiko <sergekishiko@gmail.com>
+ * @copyright        (c) 2015-2017, Pierre-Henry Soria. All Rights Reserved.
+ * @license          Lesser General Public License <http://www.gnu.org/copyleft/lesser.html>
+ * @link             http://hizup.uk
+ */
+
+namespace TestProject\Model;
+
+class Comment
+{
+    protected $oDb;
+
+    public function __construct()
+    {
+        $this->oDb = new \TestProject\Engine\Db;
+    }
+
+    public function add(array $aData)
+    {
+        $oStmt = $this->oDb->prepare('INSERT INTO Comments (idPost, content, authorName, createdDate) VALUES(:id_post, :content, :author_name, :created_date)');
+        return $oStmt->execute($aData);
+    }
+
+    public function getPostComments($iPostId)
+    {
+        $oStmt = $this->oDb->prepare('SELECT * FROM Comments WHERE idPost = :postId');
+        $oStmt->bindParam(':postId', $iPostId, \PDO::PARAM_INT);
+        $oStmt->execute();
+        return $oStmt->fetchAll(\PDO::FETCH_OBJ);
+    }
+}

README.md

@@ -32,13 +32,15 @@ However, if you need to build a blog system, again this project can be used as a
 
 * List of blog articles showing the **title**, **body** truncated to 100 characters, and **date**. It should show only the latest 5 articles
 * Single blog article showing the **title**, **full body**, and the **date**
+* List of article comments showing the **date**, **author name** and **content**
 
 #### The Backend
 
 * List of all the blog articles
 * Possibility to add a new blog article with a title and body. The title should allow a maximum of 50 characters
 * Possibility to edit an existing blog article
 * Possibility to delete an article
+* Possibility to comment a blog article by specifying its **author name** and its **content**
 * Logout feature for the admin user
 
 HTML and CSS code should be kept to the minimum needed to make the website functional – This project is purely to assess how you approach the problem and not how good it looks.

View/post.php

@@ -25,6 +25,40 @@
         ?>
     </article>
 
+    <br>
+    <aside>
+        <h3>Comments</h3>
+
+        <?php if (empty($this->oComments)): ?>
+            <p class="error">This post has any comment. Be the first to comment!</p>
+        <?php else: ?>
+
+            <?php foreach ($this->oComments as $oComment): ?>
+                <h6>On <?= $oComment->createdDate ?></h6>
+                <h4><?= $oComment->authorName ?> <em>said:</em></h4>
+                <p><?= $oComment->content ?></p>
+                <hr class="clear" /><br />
+            <?php endforeach ?>
+
+        <?php endif ?>
+
+        <h4>Add a new comment</h4>
+        <form action="<?=ROOT_URL?>?p=comment&a=add" method="post">
+
+            <input type="hidden" name="id_post" value="<?=$this->oPost->id?>" />
+
+            <p><label for="author_name">Your name:</label><br />
+                <input type="text" name="author_name" id="author_name" required="required" />
+            </p>
+
+            <p><label for="content">Content:</label><br />
+                <textarea name="content" id="content" rows="5" cols="35" required="required"></textarea>
+            </p>
+
+            <p><input type="submit" name="add_comment" value="Post a comment" /></p>
+        </form>
+    </aside>
+
 <?php endif ?>
 
 <?php require 'inc/footer.php' ?>

db.sql

@@ -29,6 +29,17 @@ INSERT INTO Posts (title, body, createdDate) VALUES
 (@sPostTitle, @sPostBody, @sPostDate);
 
 
+CREATE TABLE IF NOT EXISTS Comments (
+  id int(10) unsigned NOT NULL AUTO_INCREMENT,
+  content longtext NOT NULL,
+  authorName varchar(60) NOT NULL,
+  idPost int(10) unsigned,
+  createdDate datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+  PRIMARY KEY (id),
+  FOREIGN KEY (idPost) REFERENCES Posts(id)
+) DEFAULT CHARSET=utf8;
+
+
 CREATE TABLE IF NOT EXISTS Admins (
   id int(10) unsigned NOT NULL AUTO_INCREMENT,
   email varchar(120) NOT NULL,