Merge branch '125-europeana-als-bildersuche' into 'development'

Die Europeana Bildersuche ist jetzt eingebaut. Leider liefert sie meist nur Bild…

…er von Antiquitäten und Kunst, sowie ab und zu kein Vorschaubild, die Links funktionieren dann aber immernoch und zeigen auch ein Bild an.
Closes #125

See merge request !194

app/Jobs/Search.php

@@ -83,7 +83,7 @@ class Search extends Job implements ShouldQueue
                 break;
             }
             if( sizeof(($tmp = explode(": ", $data))) === 2 )
-                $headers[trim($tmp[0])] = trim($tmp[1]);
+                $headers[strtolower(trim($tmp[0]))] = trim($tmp[1]);
             $c++;
         }
         while (true);
@@ -91,13 +91,13 @@ class Search extends Job implements ShouldQueue
         // end of headers
         if(sizeof($headers) > 1){
             $bodySize = 0;
-            if( isset($headers["Transfer-Encoding"]) && $headers["Transfer-Encoding"] === "chunked" )
+            if( isset($headers["transfer-encoding"]) && $headers["transfer-encoding"] === "chunked" )
             {
                 $body = $this->readChunked();
                 
-            }elseif( isset($headers['Content-Length']) )
+            }elseif( isset($headers['content-length']) )
             {
-                $length = trim($headers['Content-Length']);
+                $length = trim($headers['content-length']);
                 if(is_numeric($length) && $length >= 1)
                     $body = $this->readBody($length);
                 $bodySize = strlen($body);
@@ -111,7 +111,7 @@ class Search extends Job implements ShouldQueue
         }
 
         Redis::del($this->host . "." . $this->socketNumber);
-        if( isset($headers["Content-Encoding"]) && $headers['Content-Encoding'] === "gzip")
+        if( isset($headers["content-encoding"]) && $headers['content-encoding'] === "gzip")
         {
             $body = $this->gunzip($body);
         }

app/Models/parserSkripte/Europeana.php

+<?php
+
+namespace app\Models\parserSkripte;
+use App\Models\Searchengine;
+use Symfony\Component\DomCrawler\Crawler;
+
+class Europeana extends Searchengine 
+{
+	public $results = [];
+
+	function __construct (\SimpleXMLElement $engine, \App\MetaGer $metager)
+	{
+		parent::__construct($engine, $metager);
+	}
+
+	public function loadResults ($result)
+	{
+		$result = preg_replace("/\r\n/si", "", $result);
+		try {
+			$content = json_decode($result);
+		} catch (\Exception $e) {
+			abort(500, "$result is not a valid json string");
+		}
+		
+		if(!$content)
+		{
+			return;
+		}
+
+		$results = $content->items;
+		foreach($results as $result)
+		{
+			if(isset($result->edmPreview)) {
+				$title = $result->title[0];
+
+				if (preg_match("/(.+)\?.*/si", $result->guid, $match)){
+					$link = $match[1];
+				} else {
+					$link = "";
+				}
+
+				$anzeigeLink = $link;
+				$descr = "";
+
+				/*if (preg_match("/(?:uri=)(.+)/si", urldecode($result->edmPreview[0]), $match)){
+					$image = $match[1];
+				} else {
+					$image = "";
+				}
+				echo $image . "
+";*/
+				$image = urldecode($result->edmPreview[0]);
+				$this->counter++;
+				$this->results[] = new \App\Models\Result(
+					$this->engine,
+					$title,
+					$link,
+					$anzeigeLink,
+					$descr,
+					$this->gefVon,
+					$this->counter,
+					false,
+					$image
+				);
+			}
+		}
+	}
+}
\ No newline at end of file