List User FO

// Daftar Front Office
    public function listuserfrontoffice_post()
    {
        $username = trim($this->post('username'));

        if ($username == '') {
            $response = [
                'resp_error' => true,
                'resp_msg'   => 'Username Kosong.',
            ];
        } else {
            $listUser = $this->db->get_where('bpmppt_users', array('device_id !=' => '', 'user_level' => 'Front Office'))->result();
            if (count($listUser) > 0) {
                foreach ($listUser as $r) {
                    $response['items'][] = [
                        'resp_error'    => false,
                        'user_username' => $r->user_username,
                        'user_name'     => $r->user_name,
                        'device_id'     => $r->device_id,
                    ];
                }
            } else {
                $response = [
                'resp_error' => true,
                'resp_msg'   => 'Device Tidak Ditemukan.',
            ];
            }
        }

        $this->response($response, 200);
    }