diff --git a/assets/common/styles.css b/assets/common/styles.css
index a9f9c43..8151a71 100755
--- a/assets/common/styles.css
+++ b/assets/common/styles.css
@@ -256,3 +256,31 @@ code {
.blog-metadata .blog-publish-date {
float: right;
}
+
+.comment .comment {
+ margin-left: 0.5em;
+}
+
+.comment .comment-own-wrapper{
+ background-image: url("http://assets.zdenekborovec-dev.cz/common/planks_dark_tile.png");
+ background-repeat: repeat;
+ background-color: black;
+ color: white;
+ border: 1px solid black;
+}
+
+.comment .comment-child-wrapper{
+ border-left: 1px solid black;
+}
+
+.comment .comment .comment-own-wrapper {
+ border-top: 0px;
+}
+
+.comment .comment-metadata, .comment .comment-content {
+ padding: 0.5em;
+}
+
+.comment-metadata .comment-date {
+ float: right;
+}
diff --git a/docs/www/blog/article.php b/docs/www/blog/article.php
index 5f59fa0..f08ea05 100644
--- a/docs/www/blog/article.php
+++ b/docs/www/blog/article.php
@@ -7,11 +7,98 @@ include_once($COMMONS."/utils.php");
class BlogpostComment
{
public $comment_id;
- public $parent_id;
public $blogpost_id;
public $poster_id;
+ public $poster_name;
public $timestamp;
public $content;
+ public $children;
+
+ /**
+ * Display the comment, and recursively it's children
+ */
+ public function display_comment() {
+ printf("
+
");
+ }
+
+ /**
+ * Load the child comments to this comment, and recursively their children.
+ */
+ public function load_children($conn) {
+ // Prepare new statement for selecting all the child comments.
+ $stmt = $conn->prepare("SELECT comment_id, poster_id, timestamp,
+ content, username FROM (blogpost_comments INNER JOIN users ON
+ poster_id = user_id) WHERE blogpost_id = :blogpost_id
+ AND parent_id = :comment_id;");
+
+ // Bind and execute the comment select
+ $stmt->bindParam(":blogpost_id", $this->blogpost_id);
+ $stmt->bindParam(":comment_id", $this->comment_id);
+ $stmt->execute();
+
+ // Fetch the comments
+ $results_arr = $stmt->fetchall(PDO::FETCH_ASSOC);
+ $comments_arr = [];
+
+ // Recursively fetch all the child comments
+ for($i = 0; $i < count($results_arr); $i++) {
+ $com = $results_arr[$i];
+ $commentObj = new BlogpostComment($com["comment_id"],
+ $com["poster_id"], $com["username"], $this->blogpost_id,
+ $com["timestamp"], $com["content"]);
+ $comments_arr[] = $commentObj;
+ $commentObj->load_children($conn);
+ }
+
+ $this->children = $comments_arr;
+ }
+
+ /**
+ * Constructor for the BlogpostComment object.
+ * $comment_id GUID of the comment.
+ * $poster_id GUID of the comment author.
+ * $poster_name Name of the comment author.
+ * $blogpost_id GUID of the blogpost this comment is under.
+ * $timestamp Timestamp at comment creation.
+ * $content Content of the comment.
+ */
+ public function __construct($comment_id, $poster_id, $poster_name,
+ $blogpost_id, $timestamp, $content) {
+ $this->comment_id = $comment_id;
+ $this->blogpost_id = $blogpost_id;
+ $this->poster_id = $poster_id;
+ $this->poster_name = $poster_name;
+ $this->timestamp = $timestamp;
+ $this->content = $content;
+ //printf("New comment %s
%s
%s
%s
%s
%s
", $comment_id, $poster_id, $poster_name, $blogpost_id, $timestamp, $content);
+ }
}
@@ -22,11 +109,12 @@ class Blogpost
public $content;
public $date_posted;
public $tags;
+ public $comments;
/**
* Display the article, or a warning message.
*/
- function display_article(){
+ public function display_article(){
// If a blog with given ID was not found display warning message.
if(!$this->title){
printf("
@@ -67,6 +155,17 @@ class Blogpost
printf("
%s", $this->content);
}
+ /**
+ * Display the comments for this post and their children.
+ */
+ public function display_comments(){
+ printf("Comments:
");
+ for($i = 0; $i < count($this->comments); $i++){
+ $this->comments[$i]->display_comment();
+ }
+ printf("");
+ }
+
/**
* Constructor for the blogpost.
* $blogpost_id GUID of the blogpost in the database.
@@ -74,34 +173,56 @@ class Blogpost
* $content Content of the blogpost article.
* $date_posted Timestamp at publishing of article.
* $tags Array of the tags this article has.
+ * $comments Array of Blogpostcomment objects,
+ * the comments of this article.
*/
public function __construct($blogpost_id, $title, $content,
- $date_posted, $tags){
+ $date_posted, $tags, $comments){
$this->blogpost_id = $blogpost_id;
- $this->title = $title;
- $this->content = $content;
+ $this->title = $title;
+ $this->content = $content;
$this->date_posted = $date_posted;
- $this->tags = $tags;
+ $this->tags = $tags;
+ $this->comments = $comments;
}
}
/**
- * Try to load info about the blog with guid in GET and set global
- * variables accordingly.
+ * Load comments under a given blog.
+ * Returns array of BlogpostComment objects.
*/
-function get_blog_info($conn, $blogId){
- // Check DB connection
- if($conn == null){
- printf("
-
- Failed DB connection, cannot proceed!
- If you see this error in production,
- please shoot me an email with helpful details.
- ");
- include_once($COMMONS."/footer.php");
- die();
+function load_comments($conn, $blogId) {
+ // Prepare new statement for selecting all the "root" comments on the post.
+ $stmt = $conn->prepare("SELECT comment_id, poster_id, timestamp, content,
+ username FROM (blogpost_comments INNER JOIN users ON
+ poster_id = user_id) WHERE blogpost_id = :blogpost_id AND
+ parent_id IS NULL;");
+
+ // Bind and execute the comment select
+ $stmt->bindParam(":blogpost_id", $blogId);
+ $stmt->execute();
+
+ // Fetch the comments
+ $results_arr = $stmt->fetchall(PDO::FETCH_ASSOC);
+ $comments_arr = [];
+
+ // Recursively fetch all the child comments
+ for($i = 0; $i < count($results_arr); $i++) {
+ $com = $results_arr[$i];
+ $commentObj = new BlogpostComment($com["comment_id"], $com["poster_id"],
+ $com["username"], $blogId, $com["timestamp"], $com["content"]);
+ $commentObj->load_children($conn);
+ $comments_arr[] = $commentObj;
}
+ return $comments_arr;
+}
+
+/**
+ * Load info about the blog with a given guid and return corresponding
+ * Blogpost object. NULL if blog couldn't be loaded.
+ */
+function load_blog($conn, $blogId){
// Prepare and bind statement for gathering blogpost info
$stmt = $conn->prepare("SELECT title, content, date_posted
FROM blogposts WHERE blogpost_id = :blogpost_id;");
@@ -137,46 +258,30 @@ function get_blog_info($conn, $blogId){
$blogContent = $result["content"];
$datePosted = $result["date_posted"];
$tags = $tags_arr;
+ $comments = load_comments($conn, $blogId);
- return new Blogpost($blogId, $blogTitle, $blogContent, $datePosted, $tags);
+ return new Blogpost($blogId, $blogTitle, $blogContent,
+ $datePosted, $tags, $comments);
}
-/**
- * Display all the comments responding to a given article.
- */
-function display_comments($conn, $blogId){
- // Check DB connection
- if($conn == null){
- printf("
-
-
- Failed to load comments due to database connection error!
-
- If you see this error in production,
- please shoot me an email with helpful details.
- ");
- return;
- }
-
- // Prepare statement for selecting all coments replying to a given article.
- $stmt = $conn->prepare("SELECT;");
-
- // Bind and execute the tag select
- $stmt->bindParam(":blogpost_id", $blogId);
- $stmt->execute();
-
- // Fetch the tags
- $tags_arr = $stmt->fetchall(PDO::FETCH_ASSOC);
-
+// Check DB connection
+if($conn == null){
+ printf("
+
+ Failed DB connection, cannot proceed!
+ If you see this error in production,
+ please shoot me an email with helpful details.
+ ");
+ include_once($COMMONS."/footer.php");
+ die();
}
// Get the blog id.
$blogId = sanitize_input($_GET["guid"]);
-$blogPost = null;
// Try to get info about blog
if($blogId) {
- $blogPost = get_blog_info($conn, $blogId);
+ $blogPost = load_blog($conn, $blogId);
}
// Display the header with title being the blog name, or not found message.
@@ -184,6 +289,7 @@ display_header($blogPost ? $blogPost->title : "Article not found");
// Display the blog
$blogPost->display_article();
+$blogPost->display_comments();
include_once($COMMONS."/footer.php");
?>
+