*/
    public function handle(NewCategory $event)
    {
        foreach ($event as $product) {
            $text = $product->name;
            // replace non letter or digits by -
            $text = preg_replace('~[^\\pL\d]+~u', '-', $text);

            // trim
            $text = trim($text, '-');

            // transliterate
            $cyr  = ['а','б','в','г','д','е','ж','з','и','ѝ','й','к','л','м','н','о','п','р','с','т','у',
                'ф','х','ц','ч','ш','щ','ъ','ь', 'ю','я','А','Б','В','Г','Д','Е','Ж',
                'З','И','Ѝ','Й','К','Л','М','Н','О','П','Р','С','Т','У',
                'Ф','Х','Ц','Ч','Ш','Щ','Ъ','Ь', 'Ю', 'Я'];
            $lat = ['a','b','v','g','d','e','zh','z','i','i','y','k','l','m','n','o','p','r','s','t','u',
                'f' ,'h' ,'ts' ,'ch','sh' ,'sht' ,'a' ,'y' ,'yu' ,'ya','A','B','V','G','D','E','Zh',
                'Z','I','I','Y','K','L','M','N','O','P','R','S','T','U',
                'F' ,'H' ,'Ts' ,'Ch','Sh' ,'Sht' ,'A' ,'Y' ,'Yu' , 'Ya'];
            $text = str_replace($cyr, $lat, $text);

            // lowercase
            $text = strtolower($text);

            // remove unwanted characters
            $text = preg_replace('~[^-\w]+~', '', $text);

            if (empty($text)) {
                return 'n-a';
            }
            return Product::where('name', $product->name)->update(['slug' => $text]);
        }
    }