boyska/rss-bridge
1
0
Fork 0
forked from blallo/rss-bridge
Code Releases Activity

[Wikipedia] Add support for 'Did you know?' articles

Browse source
This commit is contained in:
logmanoriginal 2016-08-07 12:51:09 +02:00
parent 17c9d8fc37
commit 04b4dd1db9
1 changed files with 136 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

155
bridges/WikipediaBridge.php
View file

@ -1,10 +1,14 @@
<?php
define('WIKIPEDIA_SUBJECT_TFA', 0); // Today's featured LoadFullArticle
define('WIKIPEDIA_SUBJECT_DYK', 1); // Did you know...
class WikipediaBridge extends BridgeAbstract{
public function loadMetadatas(){
$this->maintainer = 'logmanoriginal';
$this->name = 'Wikipedia bridge for \'Today\'s featured article...\' for many languages';
$this->name = 'Wikipedia bridge for many languages';
$this->uri = 'https://www.wikipedia.org/';
$this->description = 'Returns \'Today\'s featured article...\' for a language of your choice';
$this->description = 'Returns articles for a language of your choice';
$this->update = '2016-08-07';
$this->parameters[] =
@ -35,6 +39,24 @@ class WikipediaBridge extends BridgeAbstract{
}
]
},
{
"name": "Subject",
"identifier": "subject",
"type": "list",
"required": "true",
"title": "What subject are you interested in?",
"exampleValue": "Today\'s featured article",
"values": [
{
"name": "Today\'s featured article",
"value": "tfa"
},
{
"name": "Did you know...",
"value": "dyk"
}
]
},
{
"name": "Load full article",
"identifier": "fullarticle",
@ -53,6 +75,22 @@ class WikipediaBridge extends BridgeAbstract{
if(!$this->CheckLanguageCode(strtolower($params['language'])))
$this->returnError('The language code you provided (\'' . $params['language'] . '\') is not supported!', 400);
if(!isset($params['subject']))
$this->returnError('You must specify a valid subject via \'&subject=\'!', 400);
$subject = WIKIPEDIA_SUBJECT_TFA;
switch($params['subject']){
case 'tfa':
$subject = WIKIPEDIA_SUBJECT_TFA;
break;
case 'dyk':
$subject = WIKIPEDIA_SUBJECT_DYK;
break;
default:
$subject = WIKIPEDIA_SUBJECT_TFA;
break;
}
$fullArticle = false;
if(isset($params['fullarticle']))
$fullArticle = $params['fullarticle'] === 'on' ? true : false;
@ -61,7 +99,17 @@ class WikipediaBridge extends BridgeAbstract{
$this->uri = 'https://' . strtolower($params['language']) . '.wikipedia.org';
// While we at it let's also update the name for the feed
$this->name = 'Today\'s featured article from ' . strtolower($params['language']) . '.wikipedia.org';
switch($subject){
case WIKIPEDIA_SUBJECT_TFA:
$this->name = 'Today\'s featured article from ' . strtolower($params['language']) . '.wikipedia.org';
break;
case WIKIPEDIA_SUBJECT_DYK:
$this->name = 'Did you know? - articles from ' . strtolower($params['language']) . '.wikipedia.org';
break;
default:
$this->name = 'Articles from ' . strtolower($params['language']) . '.wikipedia.org';
break;
}
// This will automatically send us to the correct main page in any language (try it!)
$html = $this->file_get_html($this->uri . '/wiki');
@ -82,7 +130,7 @@ class WikipediaBridge extends BridgeAbstract{
/*
* The method takes care of creating all items.
*/
$this->$function($html, $fullArticle);
$this->$function($html, $subject, $fullArticle);
}
/**
@ -100,10 +148,19 @@ class WikipediaBridge extends BridgeAbstract{
return in_array($languageCode, $language_names);
}
/**
* 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->uri . '/', $element->innertext);
}
/*
* Adds a new item to $items using a generic operation (should work for most (all?) wikis)
*/
private function AddElementGeneric($element, $fullArticle){
private function AddTodaysFeaturedArticleGeneric($element, $fullArticle){
// Clean the bottom of the featured article
$element->find('div', -1)->outertext = '';
@ -121,13 +178,31 @@ class WikipediaBridge extends BridgeAbstract{
$item->title = $target->title;
if(!$fullArticle)
$item->content = strip_tags(str_replace('href="/', 'href="' . $this->uri . '/', $element->innertext), '<a><p><br><img>');
$item->content = strip_tags($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 = new \Item();
$item->uri = $this->uri . $entry->find('a', 0)->href;
$item->title = $entry->find('a', 0)->title;
if(!$fullArticle)
$item->content = $this->ReplaceURIInHTMLElement($entry);
else
$item->content = $this->LoadFullArticle($item->uri);
$this->items[] = $item;
}
}
/**
* Loads the full article from a given URI
*/
@ -143,7 +218,9 @@ class WikipediaBridge extends BridgeAbstract{
$this->returnError('Could not find content in page: ' . $uri . '!', 404);
// Let's remove a couple of things from the article
$content->find('#toc', 0)->outertext = ''; // 'Contents' table
$table = $content->find('#toc', 0); // Table of contents
if(!$table === false)
$table->outertext = '';
foreach($content->find('ol.references') as $reference) // References
$reference->outertext = '';
@ -154,32 +231,72 @@ class WikipediaBridge extends BridgeAbstract{
/**
* Implementation for de.wikipedia.org
*/
private function GetContentsDE($html, $fullArticle){
$element = $html->find('div[id=mf-tfa]', 0);
$this->AddElementGeneric($element, $fullArticle);
private function GetContentsDE($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, $fullArticle){
$element = $html->find('div[id=accueil-lumieresur]', 0);
$this->AddElementGeneric($element, $fullArticle);
private function GetContentsFR($html, $subject, $fullArticle){
switch($subject){
case WIKIPEDIA_SUBJECT_TFA:
$element = $html->find('div[id=accueil-lumieresur]', 0);
$this->AddTodaysFeaturedArticleGeneric($element, $fullArticle);
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, $fullArticle){
$element = $html->find('div[id=mp-tfa]', 0);
$this->AddElementGeneric($element, $fullArticle);
private function GetContentsEN($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, $fullArticle){
$element = $html->find('div[id=mf-artikolo-de-la-semajno]', 0);
$this->AddElementGeneric($element, $fullArticle);
private function GetContentsEO($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;
}
}
}