Rss-Bridge/bridges/KununuBridge.php
Pierre Mazière 453cacf490 [KununuBridge] code simplification
Signed-off-by: Pierre Mazière <pierre.maziere@gmx.com>
2016-08-29 12:20:18 +02:00

242 lines
7 KiB
PHP

<?php
class KununuBridge extends HttpCachingBridgeAbstract {
public $maintainer = "logmanoriginal";
public $name = "Kununu Bridge";
public $uri = "https://www.kununu.com/";
public $description = "Returns the latest reviews for a company and site of your choice.";
public $parameters = array(
'global' => array(
'site'=>array(
'name'=>'Site',
'type'=>'list',
'required'=>true,
'title'=>'Select your site',
'values'=>array(
'Austria'=>'at',
'Germany'=>'de',
'Switzerland'=>'ch',
'United States'=>'us'
)
),
'full'=>array(
'name'=>'Load full article',
'type'=>'checkbox',
'required'=>false,
'exampleValue'=>'checked',
'title'=>'Activate to load full article'
)
),
array(
'company'=>array(
'name'=>'Company',
'required'=>true,
'exampleValue'=>'kununu-us',
'title'=>'Insert company name (i.e. Kununu US) or URI path (i.e. kununu-us)'
)
)
);
private $companyName='';
public function getURI(){
$company = $this->encode_umlauts(strtolower(str_replace(' ', '-', trim($this->getInput('company')))));
$site=$this->getInput('site');
$section = '';
switch($site){
case 'at':
case 'de':
case 'ch':
$section = 'kommentare';
break;
case 'us':
$section = 'reviews';
break;
}
return $this->uri.$site.'/'.$company.'/'.$section;
}
function getName(){
$company = $this->encode_umlauts(strtolower(str_replace(' ', '-', trim($this->getInput('company')))));
return ($this->companyName?:$company).' - '.$this->name;
}
public function collectData(){
$full = $this->getInput('full');
// Load page
$html = $this->getSimpleHTMLDOM($this->getURI());
if(!$html)
$this->returnServerError('Unable to receive data from ' . $this->getURI() . '!');
// Update name for this request
$this->companyName = $this->extract_company_name($html);
// Find the section with all the panels (reviews)
$section = $html->find('section.kununu-scroll-element', 0);
if($section === false)
$this->returnServerError('Unable to find panel section!');
// Find all articles (within the panels)
$articles = $section->find('article');
if($articles === false || empty($articles))
$this->returnServerError('Unable to find articles!');
// Go through all articles
foreach($articles as $article){
$item = array();
$item['author'] = $this->extract_article_author_position($article);
$item['timestamp'] = $this->extract_article_date($article);
$item['title'] = $this->extract_article_rating($article) . ' : ' . $this->extract_article_summary($article);
$item['uri'] = $this->extract_article_uri($article);
if($full)
$item['content'] = $this->extract_full_description($item['uri']);
else
$item['content'] = $this->extract_article_description($article);
$this->items[] = $item;
}
}
public function getCacheDuration(){
return 86400; // 1 day
}
/**
* Fixes relative URLs in the given text
*/
private function fix_url($text){
return preg_replace('/href=(\'|\")\//i', 'href="'.$this->uri, $text);
}
/**
* Encodes unmlauts in the given text
*/
private function encode_umlauts($text){
$umlauts = Array("/ä/","/ö/","/ü/","/Ä/","/Ö/","/Ü/","/ß/");
$replace = Array("ae","oe","ue","Ae","Oe","Ue","ss");
return preg_replace($umlauts, $replace, $text);
}
/**
* Returns the company name from the review html
*/
private function extract_company_name($html){
$panel = $html->find('div.panel', 0);
if($panel === false)
$this->returnServerError('Cannot find panel for company name!');
$company_name = $panel->find('h1', 0);
if($company_name === false)
$this->returnServerError('Cannot find company name!');
return $company_name->plaintext;
}
/**
* Returns the date from a given article
*/
private function extract_article_date($article){
// They conviniently provide a time attribute for us :)
$date = $article->find('time[itemprop=dtreviewed]', 0);
if($date === false)
$this->returnServerError('Cannot find article date!');
return strtotime($date->datetime);
}
/**
* Returns the rating from a given article
*/
private function extract_article_rating($article){
$rating = $article->find('span.rating', 0);
if($rating === false)
$this->returnServerError('Cannot find article rating!');
return $rating->getAttribute('aria-label');
}
/**
* Returns the summary from a given article
*/
private function extract_article_summary($article){
$summary = $article->find('[itemprop=summary]', 0);
if($summary === false)
$this->returnServerError('Cannot find article summary!');
return strip_tags($summary->innertext);
}
/**
* Returns the URI from a given article
*/
private function extract_article_uri($article){
// Notice: This first part is the same as in extract_article_summary!
$summary = $article->find('[itemprop=summary]', 0);
if($summary === false)
$this->returnServerError('Cannot find article summary!');
$anchor = $summary->find('a', 0);
if($anchor === false)
$this->returnServerError('Cannot find article URI!');
return $this->uri . $anchor->href;
}
/**
* Returns the position of the author from a given article
*/
private function extract_article_author_position($article){
// We need to parse the aside manually
$aside = $article->find('aside', 0);
if($aside === false)
$this->returnServerError('Cannot find article author information!');
// Go through all h2 elements to find index of required span (I know... it's stupid)
$author_position = 'Unknown';
foreach($aside->find('h2') as $subject){
if(stristr(strtolower($subject->plaintext), 'position')){ /* This works for at, ch, de, us */
$author_position = $subject->next_sibling()->plaintext;
break;
}
}
return $author_position;
}
/**
* Returns the description from a given article
*/
private function extract_article_description($article){
$description = $article->find('div[itemprop=description]', 0);
if($description === false)
$this->returnServerError('Cannot find article description!');
return $this->fix_url($description->innertext);
}
/**
* Returns the full description from a given uri
*/
private function extract_full_description($uri){
// Load full article
if($this->get_cached_time($uri) <= strtotime('-24 hours'))
$this->remove_from_cache($uri);
$html = $this->get_cached($uri);
if($html === false)
$this->returnServerError('Could not load full description!');
// Find the article
$article = $html->find('article', 0);
if($article === false)
$this->returnServerError('Cannot find article!');
// Luckily they use the same layout for the review overview and full article pages :)
return $this->extract_article_description($article);
}
}