Redirect don't work correcly

[eluser]Unknown[/eluser]
Anybody help me please!
in my login I don't understand why after submit login don't redirect to login with inform by $date
and only work after second refresh but logout work OK. this is my code:

class Login extends Controller
{
function __construct()
{
parent::Controller();
#CHECK SETTING
if((int)Setting:ettingStopSite == 1)
{
$this->lang->load('home/common');
show_error($this->lang->line('stop_site_main'));
die();
}
#END CHECK SETTING
#Load library
$this->load->library('hash');
#Load language
$this->lang->load('home/common');
$this->lang->load('home/login');
#Load model
$this->load->model('user_model');
#BEGIN: Ads & Notify Taskbar
$this->load->model('ads_model');
$this->load->model('notify_model');
$currentDate = mktime(0, 0, 0, date('m'), date('d'), date('Y'));
$adsTaskbar = $this->ads_model->fetch("ads_id, ads_title, ads_category, ads_descr", "ads_status = 1 AND ads_enddate >= $currentDate AND ads_reliable = 1", "rand()", "DESC", 0, (int)Setting:ettingAdsNew_Home);
$data['adsTaskbarGlobal'] = $adsTaskbar;
$notifyTaskbar = $this->notify_model->fetch("not_id, not_title, not_begindate", "not_group = '0,1,2,3' AND not_status = 1 AND not_enddate >= $currentDate", "not_id", "DESC", 0, 4);
$data['notifyTaskbarGlobal'] = $notifyTaskbar;
$this->load->vars($data);
#END Ads & Notify Taskbar
}

function index()
{
$currentDate = mktime(0, 0, 0, date('m'), date('d'), date('Y'));
#BEGIN: Advertise
$data['advertisePage'] = 'login';
$data['advertise'] = $this->advertise_model->fetch("adv_id, adv_title, adv_banner, adv_dir, adv_link, adv_page, adv_position", "adv_status = 1 AND adv_enddate >= $currentDate", "adv_order", "ASC");
#END Advertise
#BEGIN: Counter
$data['counter'] = $this->counter_model->get();
#END Counter
if(!$this->check->is_logined($this->session->userdata('sessionUser'), $this->session->userdata('sessionGroup'), 'home'))
{
$data['successLogin'] = false;
$data['errorLogin'] = false;
if($this->session->userdata('sessionTimeValidLogin') && time() - (int)$this->session->userdata('sessionTimeValidLogin') > (int)Setting:ettingTimeSession*60)
{
$this->session->unset_userdata('sessionValidLogin');
$this->session->unset_userdata('sessionTimeValidLogin');
}
if($this->session->flashdata('sessionErrorLogin'))
{
$this->session->set_userdata('sessionValidLogin', (int)$this->session->userdata('sessionValidLogin')+1);
$data['errorLogin'] = true;
}
if((int)$this->session->userdata('sessionValidLogin') < 5)
{
if($this->input->post('UsernameLogin') && trim($this->input->post('UsernameLogin')) != '' && $this->input->post('PasswordLogin') && trim($this->input->post('PasswordLogin')) != '')
{
$user = $this->user_model->get("use_id, use_password, use_salt, use_group, use_status, use_enddate", "use_username = '".$this->filter->injection_html($this->input->post('UsernameLogin'))."'");
if(count($user) == 1)
{
$password = $this->hash->create($this->input->post('PasswordLogin'), $user->use_salt, 'md5sha512');
if($user->use_password === $password && (int)$user->use_status == 1 && (int)$user->use_enddate >= (int)$currentDate && (int)$user->use_group < 4)
{
$sessionLogin = array(
'sessionUser' => (int)$user->use_id,
'sessionGroup' => (int)$user->use_group
);
$this->session->set_userdata($sessionLogin);
$this->session->set_flashdata('sessionSuccessLogin', 1);
$this->session->unset_userdata('sessionValidLogin');
$this->session->unset_userdata('sessionTimeValidLogin');
$this->user_model->update(array('use_lastest_login'=>time()), "use_id = ".$user->use_id);
}
else
{
$this->session->set_flashdata('sessionErrorLogin', 1);
}
}
else
{
$this->session->set_flashdata('sessionErrorLogin', 1);
}
redirect(base_url().trim(uri_string(), '/'), 'location');
}
}
else
{
$data['validLogin'] = true;
if(!$this->session->userdata('sessionTimeValidLogin'))
{
$this->session->set_userdata('sessionTimeValidLogin', time());
}
}
}
else
{
if($this->session->flashdata('sessionSuccessLogin'))
{
$data['successLogin'] = true;
}
else
{
redirect(base_url(), 'location');
}
}
#Load view Problema here

Code:

$this->load->view('home/login/defaults', $data);

}

function logout()
{
if($this->check->is_logined($this->session->userdata('sessionUser'), $this->session->userdata('sessionGroup'), 'home'))
{
$currentDate = mktime(0, 0, 0, date('m'), date('d'), date('Y'));
#BEGIN: Advertise
$data['advertisePage'] = 'login';
$data['advertise'] = $this->advertise_model->fetch("adv_id, adv_title, adv_banner, adv_dir, adv_link, adv_page, adv_position", "adv_status = 1 AND adv_enddate >= $currentDate", "adv_order", "ASC");
#END Advertise
#BEGIN: Counter
$data['counter'] = $this->counter_model->get();
#END Counter
$this->session->sess_destroy();
#Load view
$this->load->view('home/login/logout', $data);
}
else
{
redirect(base_url(), 'location');
}
}
}

[eluser]Bhashkar Yadav[/eluser]
in so many lines of code where one can see the actual problem ....

[eluser]InsiteFX[/eluser]
True! Please use the forum code tags to wrap your code in...

Code:

// Remove the space in the tags!
[code ]
// your code here!
[/code ]