mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2025-04-23 15:06:53 +00:00
310 lines
8.5 KiB
PHP
310 lines
8.5 KiB
PHP
<?php
|
|
|
|
define('WIKIPEDIA_SUBJECT_TFA', 0); // Today's featured article
|
|
define('WIKIPEDIA_SUBJECT_DYK', 1); // Did you know...
|
|
|
|
class WikipediaBridge extends BridgeAbstract
|
|
{
|
|
const MAINTAINER = 'logmanoriginal';
|
|
const NAME = 'Wikipedia bridge for many languages';
|
|
const URI = 'https://www.wikipedia.org/';
|
|
const DESCRIPTION = 'Returns articles for a language of your choice';
|
|
|
|
const PARAMETERS = array( array(
|
|
'language'=>array(
|
|
'name'=>'Language',
|
|
'type'=>'list',
|
|
'required'=>true,
|
|
'title'=>'Select your language',
|
|
'exampleValue'=>'English',
|
|
'values'=>array(
|
|
'English'=>'en',
|
|
'Dutch'=>'nl',
|
|
'Esperanto'=>'eo',
|
|
'French'=>'fr',
|
|
'German'=>'de',
|
|
)
|
|
),
|
|
'subject'=>array(
|
|
'name'=>'Subject',
|
|
'type'=>'list',
|
|
'required'=>true,
|
|
'title'=>'What subject are you interested in?',
|
|
'exampleValue'=>'Today\'s featured article',
|
|
'values'=>array(
|
|
'Today\'s featured article'=>'tfa',
|
|
'Did you know…'=>'dyk'
|
|
)
|
|
),
|
|
'fullarticle'=>array(
|
|
'name'=>'Load full article',
|
|
'type'=>'checkbox',
|
|
'title'=>'Activate to always load the full article'
|
|
)
|
|
));
|
|
|
|
public function getURI()
|
|
{
|
|
return 'https://' . strtolower($this->getInput('language')) . '.wikipedia.org';
|
|
}
|
|
|
|
public function getName()
|
|
{
|
|
switch ($this->getInput('subject')) {
|
|
case 'tfa':
|
|
$subject = WIKIPEDIA_SUBJECT_TFA;
|
|
break;
|
|
case 'dyk':
|
|
$subject = WIKIPEDIA_SUBJECT_DYK;
|
|
break;
|
|
default:
|
|
$subject = WIKIPEDIA_SUBJECT_TFA;
|
|
break;
|
|
}
|
|
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$name = 'Today\'s featured article from ' . strtolower($this->getInput('language')) . '.wikipedia.org';
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$name = 'Did you know? - articles from ' . strtolower($this->getInput('language')) . '.wikipedia.org';
|
|
break;
|
|
default:
|
|
$name = 'Articles from ' . strtolower($this->getInput('language')) . '.wikipedia.org';
|
|
break;
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
public function collectData()
|
|
{
|
|
switch ($this->getInput('subject')) {
|
|
case 'tfa':
|
|
$subject = WIKIPEDIA_SUBJECT_TFA;
|
|
break;
|
|
case 'dyk':
|
|
$subject = WIKIPEDIA_SUBJECT_DYK;
|
|
break;
|
|
default:
|
|
$subject = WIKIPEDIA_SUBJECT_TFA;
|
|
break;
|
|
}
|
|
|
|
$fullArticle = $this->getInput('fullarticle');
|
|
|
|
// This will automatically send us to the correct main page in any language (try it!)
|
|
$html = getSimpleHTMLDOM($this->getURI() . '/wiki');
|
|
|
|
if (!$html) {
|
|
returnServerError('Could not load site: ' . $this->getURI() . '!');
|
|
}
|
|
|
|
/*
|
|
* Now read content depending on the language (make sure to create one function per language!)
|
|
* We build the function name automatically, just make sure you create a private function ending
|
|
* with your desired language code, where the language code is upper case! (en -> GetContentsEN).
|
|
*/
|
|
$function = 'GetContents' . strtoupper($this->getInput('language'));
|
|
|
|
if (!method_exists($this, $function)) {
|
|
returnServerError('A function to get the contents for your language is missing (\'' . $function . '\')!');
|
|
}
|
|
|
|
/*
|
|
* The method takes care of creating all items.
|
|
*/
|
|
$this->$function($html, $subject, $fullArticle);
|
|
}
|
|
|
|
/**
|
|
* Replaces all relative URIs with absolute ones
|
|
* @param $element A simplehtmldom element
|
|
* @return The $element->innertext with all URIs replaced
|
|
*/
|
|
private function ReplaceURIInHTMLElement($element)
|
|
{
|
|
return str_replace('href="/', 'href="' . $this->getURI() . '/', $element->innertext);
|
|
}
|
|
|
|
/*
|
|
* Adds a new item to $items using a generic operation (should work for most (all?) wikis)
|
|
* $anchorText can be specified if the wiki in question doesn't use '...' (like Dutch, French and Italian)
|
|
* $anchorFallbackIndex can be used to specify a different fallback link than the first (e.g., -1 for the last)
|
|
*/
|
|
private function AddTodaysFeaturedArticleGeneric($element, $fullArticle, $anchorText = '...', $anchorFallbackIndex = 0)
|
|
{
|
|
// Clean the bottom of the featured article
|
|
if ($element->find('div', -1)) {
|
|
$element->find('div', -1)->outertext = '';
|
|
}
|
|
|
|
// The title and URI of the article can be found in an anchor containing the string '...' in most wikis ('full article ...')
|
|
$target = $element->find('p/a', $anchorFallbackIndex);
|
|
foreach ($element->find('//a') as $anchor) {
|
|
if (strpos($anchor->innertext, $anchorText) !== false) {
|
|
$target = $anchor;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$item = array();
|
|
$item['uri'] = $this->getURI() . $target->href;
|
|
$item['title'] = $target->title;
|
|
|
|
if (!$fullArticle) {
|
|
$item['content'] = strip_tags($this->ReplaceURIInHTMLElement($element), '<a><p><br><img>');
|
|
} else {
|
|
$item['content'] = $this->LoadFullArticle($item['uri']);
|
|
}
|
|
|
|
$this->items[] = $item;
|
|
}
|
|
|
|
/*
|
|
* Adds a new item to $items using a generic operation (should work for most (all?) wikis)
|
|
*/
|
|
private function AddDidYouKnowGeneric($element, $fullArticle)
|
|
{
|
|
foreach ($element->find('ul', 0)->find('li') as $entry) {
|
|
$item = array();
|
|
|
|
// We can only use the first anchor, there is no way of finding the 'correct' one if there are multiple
|
|
$item['uri'] = $this->getURI() . $entry->find('a', 0)->href;
|
|
$item['title'] = strip_tags($entry->innertext);
|
|
|
|
if (!$fullArticle) {
|
|
$item['content'] = $this->ReplaceURIInHTMLElement($entry);
|
|
} else {
|
|
$item['content'] = $this->LoadFullArticle($item['uri']);
|
|
}
|
|
|
|
$this->items[] = $item;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads the full article from a given URI
|
|
*/
|
|
private function LoadFullArticle($uri)
|
|
{
|
|
$content_html = getSimpleHTMLDOMCached($uri);
|
|
|
|
if (!$content_html) {
|
|
returnServerError('Could not load site: ' . $uri . '!');
|
|
}
|
|
|
|
$content = $content_html->find('#mw-content-text', 0);
|
|
|
|
if (!$content) {
|
|
returnServerError('Could not find content in page: ' . $uri . '!');
|
|
}
|
|
|
|
// Let's remove a couple of things from the article
|
|
$table = $content->find('#toc', 0); // Table of contents
|
|
if (!$table === false) {
|
|
$table->outertext = '';
|
|
}
|
|
|
|
foreach ($content->find('ol.references') as $reference) { // References
|
|
$reference->outertext = '';
|
|
}
|
|
|
|
return str_replace('href="/', 'href="' . $this->getURI() . '/', $content->innertext);
|
|
}
|
|
|
|
/**
|
|
* Implementation for de.wikipedia.org
|
|
*/
|
|
private function GetContentsDE($html, $subject, $fullArticle)
|
|
{
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$element = $html->find('div[id=mf-tfa]', 0);
|
|
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle);
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$element = $html->find('div[id=mf-dyk]', 0);
|
|
$this->AddDidYouKnowGeneric($element, $fullArticle);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation for fr.wikipedia.org
|
|
*/
|
|
private function GetContentsFR($html, $subject, $fullArticle)
|
|
{
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$element = $html->find('div[id=accueil-lumieresur]', 0);
|
|
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle, 'Lire la suite');
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$element = $html->find('div[id=SaviezVous]', 0);
|
|
$this->AddDidYouKnowGeneric($element, $fullArticle);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation for en.wikipedia.org
|
|
*/
|
|
private function GetContentsEN($html, $subject, $fullArticle)
|
|
{
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$element = $html->find('div[id=mp-tfa]', 0);
|
|
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle);
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$element = $html->find('div[id=mp-dyk]', 0);
|
|
$this->AddDidYouKnowGeneric($element, $fullArticle);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation for eo.wikipedia.org
|
|
*/
|
|
private function GetContentsEO($html, $subject, $fullArticle)
|
|
{
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$element = $html->find('div[id=mf-artikolo-de-la-semajno]', 0);
|
|
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle);
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$element = $html->find('div[id=mw-content-text]', 0)->find('table', 4)->find('td', 4);
|
|
$this->AddDidYouKnowGeneric($element, $fullArticle);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation for nl.wikipedia.org
|
|
*/
|
|
private function GetContentsNL($html, $subject, $fullArticle)
|
|
{
|
|
switch ($subject) {
|
|
case WIKIPEDIA_SUBJECT_TFA:
|
|
$element = $html->find('div[id=mf-uitgelicht]', 0);
|
|
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle, 'Lees meer');
|
|
break;
|
|
case WIKIPEDIA_SUBJECT_DYK:
|
|
$element = $html->find('div[id=mw-content-text]', 0)->find('table', 4)->find('td', 2);
|
|
$this->AddDidYouKnowGeneric($element, $fullArticle);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|