From a082ebfdae0e02140fb5c923ca3b8aa0513a877b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zden=C4=9Bk=20Borovec?= <zdenda.borovec@gmail.com>
Date: Sun, 12 May 2024 23:13:40 +0200
Subject: [PATCH] added tag editor

---
 assets/common/styles.css       |   8 +--
 docs/www/blog/article.php      |   4 +-
 docs/www/blog/index.php        |   1 +
 docs/www/blog/tageditor.php    | 102 +++++++++++++++++++++++++++++++++
 docs/www/blog/writearticle.php |   2 +-
 5 files changed, 110 insertions(+), 7 deletions(-)
 create mode 100644 docs/www/blog/tageditor.php

diff --git a/assets/common/styles.css b/assets/common/styles.css
index 58cbadc..12557d3 100755
--- a/assets/common/styles.css
+++ b/assets/common/styles.css
@@ -34,7 +34,7 @@ h1, h2, h3, h4, h5, h6 {
 	font-family: sans-serif;
 }
 
-h3, h4, h5, h6 {
+h2, h3, h4, h5, h6 {
 	margin-bottom: 8px;
 }
 
@@ -260,16 +260,16 @@ ul {
 	padding-right: 1em;
 }
 
-.blog-metadata .blog-tag {
+.blog-tag {
 	border-style: solid;
 	border-width: thin;
 	border-color: black;
 	border-radius: 0.5em;
 	padding: 0.2em;
-	margin: 0.2em;
+	display: inline-block;
 }
 
-.blog-metadata .blog-publish-date {
+.blog-publish-date {
 	float: right;
 }
 
diff --git a/docs/www/blog/article.php b/docs/www/blog/article.php
index e0855e6..86b1ad7 100644
--- a/docs/www/blog/article.php
+++ b/docs/www/blog/article.php
@@ -371,8 +371,8 @@ function load_blog($conn, $blogId){
 
 // Check DB connection
 if($conn == null){
-	header($_SERVER["SERVER_PROTOCOL"]." 503 Not Foud", true, 503);
-	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/504.php");
+	header($_SERVER["SERVER_PROTOCOL"]." 503 Service Unavailable", true, 503);
+	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/503.php");
 	include_once($COMMONS."/footer.php");
 	die();
 }
diff --git a/docs/www/blog/index.php b/docs/www/blog/index.php
index a10643c..fe2cf92 100755
--- a/docs/www/blog/index.php
+++ b/docs/www/blog/index.php
@@ -31,6 +31,7 @@ function display_blog_preview($blogpost_id, $title, $abstract,
 			Published on: %s
 		</span>
 	</div>
+	<hr>
 	<p>
 		%s
 	</p>
diff --git a/docs/www/blog/tageditor.php b/docs/www/blog/tageditor.php
new file mode 100644
index 0000000..2bb1d1a
--- /dev/null
+++ b/docs/www/blog/tageditor.php
@@ -0,0 +1,102 @@
+<?php
+$COMMONS = $_SERVER['DOCUMENT_ROOT'] . "/../common";
+
+include_once($COMMONS."/header.php");
+
+// If the user does not have the 1000 0000 permission,
+// throw a 403: Forbidden error.
+if(!(bool)($_SESSION["current_user"]->permissions & 128)) {
+	header($_SERVER["SERVER_PROTOCOL"]." 403 Forbidden", true, 403);
+	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/403.php");
+	include_once($COMMONS."/footer.php");
+	die();
+}
+
+/**
+ * Display tags existing in the database.
+ */
+function display_tags($conn) {
+	$stmt = $conn->prepare("SELECT tag_id, name, color
+		FROM blogpost_tags ORDER BY tag_id ASC;");
+	$stmt->execute();
+	$tags = $stmt->fetchall(PDO::FETCH_ASSOC);
+
+	$tagCount = count($tags);
+
+	print("<article> <h2> Existing tags: </h2>");
+	print("<div>");
+	for($i = 0; $i < $tagCount; $i++) {
+		$tag = $tags[$i];
+		printf("
+		<span class=\"blog-tag\" style=\"background-color: %s;\">
+			%s
+		</span>", $tag["color"], $tag["name"]);
+
+		if($i % 7 == 0 && $i != 0 && $i != $tagCount -1) {
+			printf("</div><div style=\"margin-top: 0.3em;\">");
+		}
+	}
+	print("</div>");
+	print("</article>");
+}
+
+/**
+ * Add the tag to the database.
+ */
+function add_tag($conn, $name, $color) {
+	$stmt = $conn->prepare("INSERT INTO blogpost_tags (name, color)
+		VALUES (:name, :color)");
+	$stmt->bindParam(":name", $name);
+	$stmt->bindParam(":color", $color);
+	$stmt->execute();
+}
+
+// Check DB connection
+if($conn == null){
+	header($_SERVER["SERVER_PROTOCOL"]." 503 Service Unavailable", true, 503);
+	include_once($_SERVER["DOCUMENT_ROOT"]."/errors/503.php");
+	include_once($COMMONS."/footer.php");
+	die();
+}
+
+if(isset($_POST["submit"])) {
+	$name = $_POST["tag_name"];
+	$color = $_POST["tag_color"];
+
+	if($name && $color) {
+		add_tag($conn, $name, $color);
+	}
+	header(sprintf("Location: %s", sanitize_input($_SERVER["PHP_SELF"])));
+}
+
+display_header("Tag Editor");
+?>
+
+<article>
+	<form method="post" action="<?php
+		echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
+		<h2> Create a new tag: </h2>
+		<table class="noborder-table"><tr>
+			<td><label for="tag+name">Tag name:</label></td>
+			<td>
+				<input type="text" name="tag_name" tabindex="1"
+				autofocus="autofocus">
+			</td>
+			<td>(use-dash-case)</td>
+		</tr><tr>
+			<td><label for="tag_color">Tag color:</label></td>
+			<td>
+				<input type="text" name="tag_color" tabindex="2">
+			</td>
+			<td>(format css will eat)</td>
+		</tr></table>
+		<input name="submit" type="submit" tabindex="3" value="Send">
+	</form>
+</article>
+
+<?php
+
+display_tags($conn);
+
+include_once($COMMONS."/footer.php");
+?>
diff --git a/docs/www/blog/writearticle.php b/docs/www/blog/writearticle.php
index a72fc35..0b267d4 100644
--- a/docs/www/blog/writearticle.php
+++ b/docs/www/blog/writearticle.php
@@ -168,7 +168,7 @@ htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
 		<input type="text" name="blogpost_tags">
 
 		Tags should be separated by spaces, use dash-case, use the
-		<a>tageditor</a> page to add new tags. <br>
+		<a href="http://www.zdenekborovec-dev.cz/blog/tageditor">tageditor</a> page to add new tags. <br>
 
 		<div class="centered-container">
 			<textarea name="article_abstract" style="width: 100%; height: 5em;"></textarea>