Merge branch '624-fess-crawler-zu-metager3-hinzufugen' into 'development'

Resolve "Fess-Crawler zu MetaGer3 hinzufügen"

Closes #624

See merge request !1086

app/Models/parserSkripte/Fess.php

+<?php
+
+namespace app\Models\parserSkripte;
+
+use App\Models\Searchengine;
+
+class Fess extends Searchengine
+{
+    public $results = [];
+
+    public 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);
+            if (!$content) {
+                return;
+            }
+
+            $results = $content->response->result;
+            foreach ($results as $result) {
+                try {
+                    $title       = $result->content_title;
+                    $link        = $result->url;
+                    $anzeigeLink = $link;
+                    $descr       = $result->content_description;
+                    $this->counter++;
+                    $this->results[] = new \App\Models\Result(
+                        $this->engine,
+                        $title,
+                        $link,
+                        $anzeigeLink,
+                        $descr,
+                        $this->gefVon,
+                        $this->counter
+                    );
+                } catch (\ErrorException $e) {
+
+                }
+            }
+        } catch (\Exception $e) {
+            Log::error("A problem occurred parsing results from $this->name:");
+            Log::error($e->getMessage());
+            return;
+        }
+    }
+}