rss-bridge/bridges/GQMagazineBridge.php

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<?php
/**
* An extension of the previous SexactuBridge to cover the whole GQMagazine.
* This one taks a page (as an example sexe/news or journaliste/maia-mazaurette) which is to be configured,
* reads all the articles visible on that page, and make a stream out of it.
* @author nicolas-delsaux
*
*/
class GQMagazineBridge extends BridgeAbstract
{
const MAINTAINER = 'Riduidel';
const NAME = 'GQMagazine';
// URI is no more valid, since we can address the whole gq galaxy
const URI = 'https://www.gqmagazine.fr';
const CACHE_TIMEOUT = 7200; // 2h
const DESCRIPTION = 'GQMagazine section extractor bridge. This bridge allows you get only a specific section.';
const PARAMETERS = array( array(
'domain' => array(
'name' => 'Domain to use',
'required' => true,
'values' => array(
'www.gqmagazine.fr' => 'www.gqmagazine.fr'
),
'defaultValue' => 'www.gqmagazine.fr'
),
'page' => array(
'name' => 'Initial page to load',
'required' => true
),
));
const REPLACED_ATTRIBUTES = array(
'href' => 'href',
'src' => 'src',
'data-original' => 'src'
);
private function getDomain() {
return $this->getInput('domain');
}
public function getURI()
{
return $this->getDomain() . '/' . $this->getInput('page');
}
public function collectData()
{
$html = getSimpleHTMLDOM($this->getURI()) or returnServerError('Could not request ' . $this->getURI());
// Since GQ don't want simple class scrapping, let's do it the hard way and ... discover content !
$main = $html->find('main', 0);
foreach ($main->find('a') as $link) {
$uri = $link->href;
$title = $link->find('h2', 0);
$date = $link->find('time', 0);
$item = array();
$author = $link->find('span[itemprop=name]', 0);
$item['author'] = $author->plaintext;
$item['title'] = $title->plaintext;
if(substr($uri, 0, 1) === 'h') { // absolute uri
$item['uri'] = $uri;
} else if(substr($uri, 0, 1) === '/') { // domain relative url
$item['uri'] = $this->getDomain() . $uri;
} else {
$item['uri'] = $this->getDomain() . '/' . $uri;
}
$article = $this->loadFullArticle($item['uri']);
if($article) {
$item['content'] = $this->replaceUriInHtmlElement($article);
} else {
$item['content'] = "<strong>Article body couldn't be loaded</strong>. It must be a bug!";
}
$short_date = $date->datetime;
$item['timestamp'] = strtotime($short_date);
$this->items[] = $item;
}
}
/**
* Loads the full article and returns the contents
* @param $uri The article URI
* @return The article content
*/
private function loadFullArticle($uri){
$html = getSimpleHTMLDOMCached($uri);
// Once again, that generated css classes madness is an obstacle ... which i can go over easily
foreach($html->find('div') as $div) {
// List the CSS classes of that div
$classes = $div->class;
// I can't directly lookup that class since GQ since to generate random names like "ArticleBodySection-fkggUW"
if(strpos($classes, 'ArticleBodySection') !== false) {
return $div;
}
}
return null;
}
/**
* Replaces all relative URIs with absolute ones
* @param $element A simplehtmldom element
* @return The $element->innertext with all URIs replaced
*/
private function replaceUriInHtmlElement($element){
$returned = $element->innertext;
foreach (self::REPLACED_ATTRIBUTES as $initial => $final) {
$returned = str_replace($initial . '="/', $final . '="' . self::URI . '/', $returned);
}
return $returned;
}
}