dokuwiki-plugin-semantic/action.php

215 lines
4.4 KiB
PHP
Raw Normal View History

2015-03-25 23:48:00 +00:00
<?php
/**
* Semantic Action Plugin
*
2015-03-25 23:48:00 +00:00
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
2015-03-25 23:48:00 +00:00
* @copyright (C) 2015, Giuseppe Di Terlizzi
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
/**
* Class Semantic Action Plugin
*
* Add semantic data to DokuWiki
*/
class action_plugin_semantic extends DokuWiki_Action_Plugin {
private $helper = null;
public function __construct() {
2016-10-02 21:55:20 +00:00
$this->helper = $this->loadHelper('semantic');
}
/**
* Register events
*
* @param Doku_Event_Handler $controller
*/
public function register(Doku_Event_Handler $controller) {
2015-03-25 23:48:00 +00:00
if ($this->getConf('useJSONLD')) {
2016-10-02 21:55:20 +00:00
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'website');
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'json_ld');
}
2015-03-25 23:48:00 +00:00
if ($this->getConf('useMetaDescription')) {
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'meta_description');
2015-03-25 23:48:00 +00:00
}
if ($this->getConf('useMetaAuthor')) {
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'meta_author');
}
if ($this->getConf('useDublinCore')) {
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'meta_dublin_core');
}
if ($this->getConf('useOpenGraph')) {
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'meta_open_graph');
}
2016-10-02 21:55:20 +00:00
if ($this->getConf('exposeWebService')) {
$controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'ajax');
}
2016-10-02 21:55:20 +00:00
$controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, 'jsinfo');
}
public function jsinfo(Doku_Event &$event, $param) {
global $JSINFO;
$JSINFO['plugin']['semantic'] = array(
'exposeWebService' => $this->getConf('exposeWebService'),
);
2016-10-02 21:55:20 +00:00
}
/**
* Export in JSON-LD format
*
* @param Doku_Event &$event
* @return string
*/
public function ajax(Doku_Event &$event, $param) {
if ($event->data !== 'plugin_semantic') {
return false;
}
//no other ajax call handlers needed
$event->stopPropagation();
$event->preventDefault();
global $INPUT;
$export = $INPUT->str('export');
$id = $INPUT->str('id');
if (! $id) return false;
$this->helper->getMetadata($id);
$json_ld = $this->helper->getJsonLD();
2016-10-02 21:55:20 +00:00
$json = new JSON();
2016-10-02 21:55:20 +00:00
header('Content-Type: application/ld+json');
print $json->encode($json_ld);
return true;
}
2016-10-02 21:55:20 +00:00
public function website(Doku_Event &$event, $param) {
$event->data["script"][] = array (
"type" => "application/ld+json",
"_data" => json_encode($this->helper->getWebSite()),
);
}
/**
* JSON-LD Event handler
*
* @param Doku_Event &$event
*/
public function json_ld(Doku_Event &$event, $param) {
2015-03-25 23:48:00 +00:00
global $ID;
$this->helper->getMetadata($ID);
$json_ld = $this->helper->getJsonLD();
2015-03-25 23:48:00 +00:00
if (! count($json_ld)) return false;
$event->data["script"][] = array (
"type" => "application/ld+json",
"_data" => json_encode($json_ld),
);
2015-03-25 23:48:00 +00:00
}
2015-03-25 23:48:00 +00:00
public function meta_description(Doku_Event &$event, $params) {
2015-03-25 23:48:00 +00:00
global $ID;
$this->helper->getMetadata($ID);
if ($description = $this->helper->getDescription()) {
2015-03-25 23:48:00 +00:00
$description = str_replace("\n", ' ', $description);
$event->data['meta'][] = array(
'name' => 'description',
'content' => $description,
);
2015-03-25 23:48:00 +00:00
}
2015-03-25 23:48:00 +00:00
}
2015-03-25 23:48:00 +00:00
public function meta_author(Doku_Event &$event, $params) {
global $ID;
$this->helper->getMetadata($ID);
if ($author = $this->helper->getAuthor()) {
$event->data['meta'][] = array(
'name' => 'author',
'content' => $author,
);
2015-03-25 23:48:00 +00:00
}
2015-03-25 23:48:00 +00:00
}
public function meta_open_graph(Doku_Event &$event, $params) {
global $ID;
$this->helper->getMetadata($ID);
foreach ($this->helper->getOpenGraph() as $property => $content) {
if (! $content) continue;
$event->data['meta'][] = array(
'property' => $property,
'content' => $content,
);
}
}
public function meta_dublin_core(Doku_Event &$event, $params) {
global $ID;
$this->helper->getMetadata($ID);
foreach ($this->helper->getDublinCore() as $name => $content) {
if (! $content) continue;
$event->data['meta'][] = array(
'name' => $name,
'content' => $content,
);
}
}
}