Merge pull request 'WIP Suche implementiert, sowie Sortieren der Ergebnisse' (#19) from ImplementedSearch into dev

Reviewed-on: #19

php/model/LocalArticleManager.php

@@ -166,5 +166,40 @@ class LocalArticleManager implements ArticleManagerDAO {
         }
         return $filteredArticles;
     }
+
+
+    public function search(string $keyword): array 
+    {
+        $articles = $this->getAllArticles();
+        $filteredArticles = [];
+
+        if (!is_array($articles)) {
+            return [];
+        }
+
+        $cleanKeyword = strtolower(trim($keyword));
+
+        foreach ($articles as $article) {
+            $title = isset($article['title']) ? strtolower((string)$article['title']) : '';
+            $content = isset($article['content']) ? strtolower((string)$article['content']) : '';
+
+            if (($cleanKeyword !== '' && strpos($title, $cleanKeyword) !== false) || 
+                ($cleanKeyword !== '' && strpos($content, $cleanKeyword) !== false)) {
+            
+                $filteredArticles[] = new Article(
+                    intval($article['id'] ?? 0),
+                    $article['title'] ?? '',
+                    $article['content'] ?? '',
+                    $article['author'] ?? '',
+                    $article['category'] ?? '',
+                    $article['tags'] ?? '',
+                    $article['creationDate'] ?? ''
+                );
+            }
+        }
+
+    return $filteredArticles;
+    }
+
 }
 ?>