added confirmation email for eshop

lib/Helper/Helper.php

@@ -135,5 +135,26 @@ class Helper {
         $controller->layout()->setTemplate("VueViews/Vue");
     }
 
+    /**
+     * Converts an array of objects to a CSV file.
+     * @param array $rows The array of objects to convert to CSV.
+     * @return string The CSV file content.
+     */
+    public static function arrayToCsv(array $rows): string {
+        $output = fopen('php://temp', 'w');
 
+        // Add headers
+        fputcsv($output, array_keys((array) $rows[0]));
+
+        // Add rows
+        foreach ($rows as $row) {
+            fputcsv($output, (array) $row);
+        }
+
+        rewind($output);
+        $csv = stream_get_contents($output);
+        fclose($output);
+
+        return $csv;
+    }
 }