search-Methode in DatabaseArticleManager

php/model/DatabaseArticleManager.php

@@ -306,8 +306,41 @@ class DatabaseArticleManager implements ArticleManagerDAO {
 
     public function search(string $keyword): array
     {
-        // TODO: implement search()
-        return [];
+        $cleankeyword = trim($keyword);
+
+        // Leeren Suchbegriff sofort abfangen
+        if ($cleankeyword === '') {
+            return [];
+        }
+
+        $query = "SELECT id, title, content, author, category, tags, creationdate 
+              FROM articles 
+              WHERE LOWER(title) LIKE :keyword 
+                 OR LOWER(content) LIKE :keyword";
+
+        $stmt = $this->db->prepare($query);
+
+        // Wildcards für die LIKE-Suche hinzufügen und Keyword in Kleinbuchstaben umwandeln
+        $searchParam = '%' . strtolower($cleankeyword) . '%';
+        $stmt->bindValue(':keyword', $searchParam, PDO::PARAM_STR);
+
+        $stmt->execute();
+        $articles = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+        $filteredArticles = [];
+        foreach ($articles as $article) {
+            $filteredArticles[] = new Article(
+                intval($article['id'] ?? 0),
+                $article['title'] ?? '',
+                $article['content'] ?? '',
+                $article['author'] ?? '',
+                $article['category'] ?? '',
+                $article['tags'] ?? '',
+                $article['creationdate'] ?? ''
+            );
+        }
+
+        return $filteredArticles;
     }
 
 }