79 lines
2.4 KiB
PHP
79 lines
2.4 KiB
PHP
|
<?php
|
||
|
|
/*
|
||
|
|
Plugin Name: Post to LiaScript Shortcode Button
|
||
|
|
Description: Ermittelt den Content und Titel eines Beitrags, konvertiert den Inhalt in gut strukturiertes Markdown, fügt eine TULLU-Lizenz hinzu, komprimiert und kodiert den Inhalt und gibt einen LiaScript-Link über einen Shortcode aus.
|
||
|
|
Version: 1.0
|
||
|
|
Author: Joachim Happel
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (!defined('ABSPATH')) {
|
||
|
|
exit; // Exit if accessed directly.
|
||
|
|
}
|
||
|
|
|
||
|
|
// Include Composer autoload
|
||
|
|
require_once __DIR__ . '/vendor/autoload.php';
|
||
|
|
|
||
|
|
#use Parsedown;
|
||
|
|
use League\HTMLToMarkdown\HtmlConverter;
|
||
|
|
|
||
|
|
class PostToLiaScriptShortcodeButton {
|
||
|
|
|
||
|
|
public function __construct() {
|
||
|
|
add_shortcode('shareliascriptbtn', array($this, 'generate_lia_script_link'));
|
||
|
|
}
|
||
|
|
|
||
|
|
public function generate_lia_script_link($atts) {
|
||
|
|
$atts = shortcode_atts(array(
|
||
|
|
'class' => 'button',
|
||
|
|
'label' => 'Teilen'
|
||
|
|
), $atts, 'shareliascriptbtn');
|
||
|
|
|
||
|
|
if (is_singular()) {
|
||
|
|
global $post;
|
||
|
|
|
||
|
|
$title = get_the_title($post->ID);
|
||
|
|
$content = apply_filters('the_content', $post->post_content);
|
||
|
|
|
||
|
|
|
||
|
|
// Convert content to Markdown
|
||
|
|
$markdownContent = $this->convert_to_markdown($content);
|
||
|
|
|
||
|
|
// Append TULLU license
|
||
|
|
$license = "\n\n---\n\n" . "This work is licensed under the TULLU rule. For more information, visit https://open-educational-resources.de/oer-tullu-regel/";
|
||
|
|
|
||
|
|
$markdownContent .= $license;
|
||
|
|
|
||
|
|
// Convert Markdown content to gzip Base64
|
||
|
|
$contentHash = $this->create_gzip_base64_data($markdownContent);
|
||
|
|
|
||
|
|
// Generate the link
|
||
|
|
$link = sprintf(
|
||
|
|
'<a href="https://liascript.github.io/LiveEditor/?/show/code/%s" class="%s" target="_blank">%s</a>',
|
||
|
|
$contentHash,
|
||
|
|
esc_attr($atts['class']),
|
||
|
|
esc_html($atts['label'])
|
||
|
|
);
|
||
|
|
|
||
|
|
return $link;
|
||
|
|
}
|
||
|
|
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
private function convert_to_markdown($content) {
|
||
|
|
$parsedown = new Parsedown();
|
||
|
|
$html = $parsedown->text($content);
|
||
|
|
$converter = new HtmlConverter();
|
||
|
|
$markdown = $converter->convert($html);
|
||
|
|
return $markdown;
|
||
|
|
}
|
||
|
|
|
||
|
|
private function create_gzip_base64_data($data) {
|
||
|
|
$gzData = gzencode($data, 9);
|
||
|
|
return base64_encode($gzData);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Initialize the plugin
|
||
|
|
new PostToLiaScriptShortcodeButton();
|