From 83a4d00ca5bd9e1ac105c0a8b8c6365ac1d35b76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zden=C4=9Bk=20Borovec?= <zdenda.borovec@gmail.com>
Date: Thu, 18 Jul 2024 23:32:18 +0200
Subject: [PATCH] added ability to read human-readable address

---
 docs/www/blog/article.php | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/docs/www/blog/article.php b/docs/www/blog/article.php
index ee53568..d20a99e 100644
--- a/docs/www/blog/article.php
+++ b/docs/www/blog/article.php
@@ -408,20 +408,35 @@ if(isset($_POST["submit"])) {
 	die();
 }
 
-// If no ID was entered, display warning and die.
-if(!isset($_GET["blogpost_id"])) {
-	header($_SERVER["SERVER_PROTOCOL"]." 404 Not Foud", true, 404);
-	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/404.php");
-	include_once($COMMONS."/footer.php");
-	die();
+// If a human-readable address was provided, extract appropriate id.
+if(isset($_GET["address"])) {
+	$blogAddr = sanitize_input($_GET["address"]);
+
+	// Prepare and bind statement for gathering blogpost address
+	$stmt = $conn->prepare("SELECT blogpost_id
+		FROM blogposts WHERE readable_address = :readable_address;");
+	$stmt->bindParam(":readable_address", $blogAddr);
+
+	// Execute the statement
+	$stmt->execute();
+
+	// Fetch the blogpost
+	$result = $stmt->fetch(PDO::FETCH_ASSOC);
+
+	// If post with given address was found, set the $blogId var.
+	if($result){
+		$blogId = sanitize_input($result["blogpost_id"]);
+	}
+}
+// If a blogpost id was provided, get it.
+else if(isset($_GET["blogpost_id"])) {
+	$blogId = sanitize_input($_GET["blogpost_id"]);
 }
 
-// Get the blog id.
-$blogId = sanitize_input($_GET["blogpost_id"]);
-
+// Attempt to load the blogpost
 $blogPost = load_blog($conn, $blogId);
 
-// If no ID was entered, display warning and die.
+// If blogpost could not be retieved, display warning and die.
 if(!$blogPost) {
 	header($_SERVER["SERVER_PROTOCOL"]." 404 Not Foud", true, 404);
 	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/404.php");