diff --git a/bridges/KununuBridge.php b/bridges/KununuBridge.php new file mode 100644 index 0000000..375680b --- /dev/null +++ b/bridges/KununuBridge.php @@ -0,0 +1,278 @@ +maintainer = "logmanoriginal"; + $this->name = "Kununu Bridge"; /* This will be replaced later! */ + $this->uri = "https://www.kununu.com"; /* This will be replaced later! */ + $this->description = "Returns the latest reviews for a company and site of your choice."; + $this->update = "2016-08-10"; + + $this->parameters['global'] = + '[ + { + "name" : "Site", + "identifier" : "site", + "type" : "list", + "required" : "true", + "exampleValue" : "United States", + "title" : "Select your site", + "values" : + [ + { + "name" : "Austria", + "value" : "at" + }, + { + "name" : "Germany", + "value" : "de" + }, + { + "name" : "Switzerland", + "value" : "ch" + }, + { + "name" : "United States", + "value" : "us" + } + ] + }, + { + "name" : "Load full article", + "identifier" : "full", + "type" : "checkbox", + "required" : "false", + "exampleValue" : "checked", + "title" : "Activate to load full article" + } + ]'; + + $this->parameters[] = + '[ + { + "name" : "Company", + "identifier" : "company", + "type" : "text", + "required" : "true", + "exampleValue" : "kununu-us", + "title" : "Insert company name (i.e. Kununu US) or URI path (i.e. kununu-us)" + } + ]'; + } + + public function collectData(array $params){ + + // Get Site + $site = strtolower(trim($params['site'])); + if(!isset($site) || empty($site) || !$this->site_is_valid($site)) + $this->returnError('You must specify a valid site (&site=...)!', 400); + + // Get Company (fixing whitespace and umlauts) + $company = $this->encode_umlauts(strtolower(str_replace(' ', '-', trim($params['company'])))); + if(!isset($company) || empty($company)) + $this->returnError('You must specify a company (&company=...)!', 400); + + $full = false; // By default we'll load only short article + if(isset($params['full'])) + $full = strtolower(trim($params['full'])) === 'on'; + + // Get reviews section name (depends on site) + $section = ''; + switch($site){ + case 'at': + case 'de': + case 'ch': + $section = 'kommentare'; + break; + case 'us': + $section = 'reviews'; + break; + default: + $this->returnError('The reviews section is not defined for you selection!', 404); + } + + // Update URI for the content + $this->uri .= "/{$site}/{$company}/{$section}"; + + // Load page + $html = $this->file_get_html($this->uri); + if($html === false) + $this->returnError('Unable to receive data from ' . $this->uri . '!', 404); + + // Update name for this request + $this->name = $this->extract_company_name($html) . ' - ' . $this->name; + + // Find the section with all the panels (reviews) + $section = $html->find('section.kununu-scroll-element', 0); + if($section === false) + $this->returnError('Unable to find panel section!', 404); + + // Find all articles (within the panels) + $articles = $section->find('article'); + if($articles === false || empty($articles)) + $this->returnError('Unable to find articles!', 404); + + // Go through all articles + foreach($articles as $article){ + $item = new \Item(); + + $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[] = $item; + } + } + + /** + * Returns true if the given site is part of the parameters list + */ + private function site_is_valid($site){ + $parameter = json_decode($this->parameters['global'], true); + $sites = $parameter[0]['values']; + + $site_names = array(); + + foreach($sites as $site_item) + $site_names[] = $site_item['value']; + + return in_array($site, $site_names); + } + + /** + * Fixes relative URLs in the given text + */ + private function fix_url($text){ + return preg_replace('/href=(\'|\")\//i', 'href="https://www.kununu.com/', $text); + } + + /** + * Encodes unmlauts in the given text + */ + private function encode_umlauts($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->returnError('Cannot find panel for company name!', 404); + + $company_name = $panel->find('h1', 0); + if($company_name === false) + $this->returnError('Cannot find company name!', 404); + + 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) + $this->returnError('Cannot find article date!', 404); + + return strtotime($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->returnError('Cannot find article rating!', 404); + + 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) + $this->returnError('Cannot find article summary!', 404); + + return strip_tags($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->returnError('Cannot find article summary!', 404); + + $anchor = $summary->find('a', 0); + if($anchor === false) + $this->returnError('Cannot find article URI!', 404); + + return 'https://www.kununu.com' . $anchor->href; + } + + /** + * Returns the position of the author from a given article + */ + private function extract_article_author_position($article){ + // We need to parse the aside manually + $aside = $article->find('aside', 0); + if($aside === false) + $this->returnError('Cannot find article author information!', 404); + + // 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->returnError('Cannot find article description!', 404); + + return $this->fix_url($description->innertext); + } + + /** + * Returns the full description from a given uri + */ + private function extract_full_description($uri){ + // Load full article + $html = file_get_html($uri); + if($html === false) + $this->returnError('Could not load full description!', 404); + + // Find the article + $article = $html->find('article', 0); + if($article === false) + $this->returnError('Cannot find article!', 404); + + // Luckily they use the same layout for the review overview and full article pages :) + return $this->extract_article_description($article); + } +}