add new bridge: Elsevier journals recent articles

Signed-off-by: Pierre Mazière <pierre.maziere@gmx.com>

bridges/ElsevierBridge.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * ElsevierBridge
+ *
+ * @name Elsevier Bridge
+ * @description Returns the recent articles published in Elsevier journals
+ */
+class ElsevierBridge extends BridgeAbstract{
+  public function loadMetadatas() {
+
+    $this->maintainer = 'Pierre Mazière';
+    $this->name = 'Elsevier journals recent articles';
+    $this->uri = 'http://www.journals.elsevier.com';
+    $this->description = 'Returns the recent articles published in Elsevier journals';
+    $this->update = '2016-06-26';
+
+    $this->parameters=
+      '[
+         {
+           "name" : "Journal name",
+           "identifier" : "j"
+         }
+       ]';
+  }
+
+  public function collectData(array $param){
+    $uri = 'http://www.journals.elsevier.com/'.$param['j'].'/recent-articles/';
+    $html = file_get_html($uri)
+      or $this->returnError('No results for Elsevier journal '.$param['j'], 404);
+
+    foreach($html->find('.pod-listing') as $article){
+
+      $item = new \Item();
+      $item->uri=$article->find('.pod-listing-header>a',0)->getAttribute('href').'?np=y';
+      $item->title=$article->find('.pod-listing-header>a',0)->plaintext;
+      $item->name=trim($article->find('small',0)->plaintext);
+      $item->timestamp=strtotime($article->find('.article-info',0)->plaintext);
+      $item->content=trim($article->find('.article-content',0)->plaintext);
+
+      $this->items[]=$item;
+    }
+  }
+
+  public function getName(){
+    return 'Elsevier journals recent articles';
+  }
+
+  public function getURI(){
+    return 'http://www.journals.elsevier.com';
+  }
+
+  public function getCacheDuration(){
+    return 43200; // 12h
+  }
+}