koblog/bl-plugins/rss/plugin.php

152 lines
3.7 KiB
PHP

<?php
class pluginRSS extends Plugin
{
public function init()
{
// Fields and default values for the database of this plugin
$this->dbFields = array(
'numberOfItems' => 5
);
}
// Method called on the settings of the plugin on the admin area
public function form()
{
global $L;
$html = '<div class="alert alert-primary" role="alert">';
$html .= $this->description();
$html .= '</div>';
$html .= '<div>';
$html .= '<label>' . $L->get('RSS URL') . '</label>';
$html .= '<a href="' . Theme::rssUrl() . '">' . Theme::rssUrl() . '</a>';
$html .= '</div>';
$html .= '<div>';
$html .= '<label>' . $L->get('Amount of items') . '</label>';
$html .= '<input id="jsnumberOfItems" name="numberOfItems" type="text" dir="auto" value="' . $this->getValue('numberOfItems') . '">';
$html .= '<span class="tip">' . $L->get('Amount of items to show on the feed') . '</span>';
$html .= '</div>';
return $html;
}
private function encodeURL($url)
{
return preg_replace_callback('/[^\x20-\x7f]/', function ($match) {
return urlencode($match[0]);
}, $url);
}
private function createXML()
{
global $site;
global $pages;
global $url;
// Amount of pages to show
$numberOfItems = $this->getValue('numberOfItems');
// Get the list of public pages (sticky and static included)
$list = $pages->getList(
$pageNumber = 1,
$numberOfItems,
$published = true,
$static = true,
$sticky = true,
$draft = false,
$scheduled = false
);
$xml = '<?xml version="1.0" encoding="UTF-8" ?>';
$xml .= '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">';
$xml .= '<channel>';
$xml .= '<atom:link href="' . DOMAIN_BASE . 'rss.xml" rel="self" type="application/rss+xml" />';
$xml .= '<title>' . $site->title() . '</title>';
$xml .= '<link>' . $this->encodeURL($site->url()) . '</link>';
$xml .= '<description>' . $site->description() . '</description>';
$xml .= '<lastBuildDate>' . date(DATE_RSS) . '</lastBuildDate>';
// Get keys of pages
foreach ($list as $pageKey) {
try {
// Create the page object from the page key
$page = new Page($pageKey);
$xml .= '<item>';
$xml .= '<title>' . $page->title() . '</title>';
$xml .= '<link>' . $this->encodeURL($page->permalink()) . '</link>';
$xml .= '<image>' . $page->coverImage(true) . '</image>';
$xml .= '<description>' . Sanitize::html($page->contentBreak()) . '</description>';
$xml .= '<pubDate>' . date(DATE_RSS, strtotime($page->getValue('dateRaw'))) . '</pubDate>';
$xml .= '<guid isPermaLink="false">' . $page->uuid() . '</guid>';
$xml .= '</item>';
} catch (Exception $e) {
// Continue
}
}
$xml .= '</channel></rss>';
// New DOM document
$doc = new DOMDocument();
$doc->formatOutput = true;
$doc->loadXML($xml);
return $doc->save($this->workspace() . 'rss.xml');
}
public function install($position = 0)
{
parent::install($position);
return $this->createXML();
}
public function post()
{
parent::post();
return $this->createXML();
}
public function afterPageCreate()
{
$this->createXML();
}
public function afterPageModify()
{
$this->createXML();
}
public function afterPageDelete()
{
$this->createXML();
}
public function siteHead()
{
return '<link rel="alternate" type="application/rss+xml" href="' . DOMAIN_BASE . 'rss.xml" title="RSS Feed">' . PHP_EOL;
}
public function beforeAll()
{
$webhook = 'rss.xml';
if ($this->webhook($webhook)) {
// Send XML header
header('Content-type: text/xml');
$doc = new DOMDocument();
// Load XML
libxml_disable_entity_loader(false);
$doc->load($this->workspace() . 'rss.xml');
libxml_disable_entity_loader(true);
// Print the XML
echo $doc->saveXML();
// Stop Bludit execution
exit(0);
}
}
}