function getUniqueUsernameFromEmail($email, $user_id = NULL)
{
require_once APPPATH . '/models/common_model.php';
$model = new Common_model();
$explode_email = explode('@', $email);
$username = trim($explode_email[0]);
$whereCondArr = array('user_username' => $username);
if ($user_id != NULL) {
$whereCondArr['user_id !='] = $user_id;
}
$is_exists = $model->is_exists('user_id', TABLE_USERS, $whereCondArr);
if (!empty($is_exists)) {
$username = getUniqueUsernameFromEmail($username . '-' . rand(100, 999));
}
return $username;
}
public function facebookAuth($connect = FALSE)
{
if ($this->input->get('code')) {
$this->load->library("SocialLib");
$model = new Common_model();
$socialLib = new SocialLib();
$facebook_user_obj = $socialLib->getFacebookUserObject();
if ($facebook_user_obj['status'] == 'success') {
if (!empty($facebook_user_obj['data'])) {
$facebook_id = $facebook_user_obj['data']['id'];
$facebook_access_token = $facebook_user_obj['accessToken'];
if ($connect == FALSE) {
if (isset($facebook_user_obj['data']['email'])) {
$facebook_name = $facebook_user_obj['data']['name'];
$facebook_email = $facebook_user_obj['data']['email'];
$is_exists = $model->is_exists('user_password', TABLE_USERS, array('user_email' => $facebook_email, 'user_facebook_id' => $facebook_id));
if (empty($is_exists)) {
// get user profile picture here
$facebook_image_url = getFacebookUserImageSource($facebook_id, NULL, USER_IMG_WIDTH);
$new_image_path = USER_IMG_PATH . '/' . getEncryptedString($facebook_id . time()) . '.jpg';
copy($facebook_image_url, $new_image_path);
$user_password = md5($facebook_id . time());
$data_array = array('user_fullname' => addslashes($facebook_name), 'user_email' => $facebook_email, 'user_facebook_id' => $facebook_id, 'user_facebook_accesstoken' => $facebook_access_token, 'user_facebook_array' => json_encode($facebook_user_obj), 'user_created_on' => date('Y-m-d H:i:s'), 'user_ipaddress' => USER_IP, 'user_useragent' => USER_AGENT, 'user_password' => $user_password, 'user_username' => getUniqueUsernameFromEmail($facebook_email), 'user_profile_picture' => $new_image_path);
$model->insertData(TABLE_USERS, $data_array);
$this->session->set_flashdata('success', 'Welcome aboard, ' . $facebook_name);
} else {
$user_password = $is_exists[0]['user_password'];
}
// loggin user in
$this->load->library('Login_auth');
$login_auth = new Login_auth();
$login_auth->login($facebook_email, $user_password, base_url('my-account'), base_url('login'));
} else {
$this->session->set_flashdata('error', 'Email required when logging in with Facebook');
redirect(base_url('login'));
}
} elseif ($connect == 'connect' && isset($this->session->userdata['user_id'])) {
$user_id = $this->session->userdata['user_id'];
$next_url = base_url('my-account');
$is_exists = $model->is_exists('user_id', TABLE_USERS, array('user_id !=' => $user_id, 'user_facebook_id' => $facebook_id));
if (empty($is_exists)) {
$data_array = array('user_facebook_id' => $facebook_id, 'user_facebook_accesstoken' => $facebook_access_token, 'user_facebook_array' => json_encode($facebook_user_obj));
$model->updateData(TABLE_USERS, $data_array, array('user_id' => $this->session->userdata['user_id']));
$this->session->set_flashdata('success', 'Facebook account connected successfully');
if ($this->input->get('next')) {
$next_url = $this->input->get('next');
}
} else {
$this->session->set_flashdata('error', 'Another user already exists with this Facebook account');
}
redirect($next_url);
}
} else {
$this->session->set_flashdata('error', 'An error occurred. Please try again.');
redirect(base_url('login'));
}
} else {
$this->session->set_flashdata('error', $facebook_user_obj['data']);
redirect(base_url('login'));
}
} else {
display_404_page();
}
}
