public function getPeopleIdFromFullName($fullName) {
        $result = DB::table('peoples')
            ->where('first_name',  $this->getFirstName($fullName))
            ->where('middle_name', $this->getMiddleName($fullName))
            ->where('surname',     $this->getLastName($fullName))
            ->first()
        ;

        if (count($result) > 0) {
            return $result->id;
        }
        return 0;
    }