bludit/bl-plugins/rss/plugin.php

149 lines
3.6 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>';
$html .= '<input id="jsnumberOfItems" name="numberOfItems" type="text" value="'.$this->getValue('numberOfItems').'">';
$html .= '<span class="tip">'.$L->get('Amount of items to show on the feed').'</span>';
$html .= '</div>';
return $html;
}
private function urlRSS($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->urlRSS($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->urlRSS($page->permalink()).'</link>';
$xml .= '<description>'.Sanitize::html($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);
}
}
}