/**
* This function checks whether some users in the uploaded file
* repeated and creates unique usernames if necesary.
* A case: Within the file there is an user repeted twice (Julio Montoya / Julio Montoya)
* and the username fields are empty.
* Then, this function would create unique usernames based on the first and the last name.
* Two users wiould be created - jmontoya and jmontoya2.
* Of course, if in the database there is a user with the name jmontoya,
* the newly created two users registered would be jmontoya2 and jmontoya3.
* @param $users list of users
* @author Julio Montoya Armas
*/
function check_all_usernames($users, $course_list, $id_session)
{
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$usernames = array();
$new_users = array();
foreach ($users as $index => $user) {
$desired_username = array();
if (empty($user['UserName'])) {
$desired_username = MySpace::make_username($user['FirstName'], $user['LastName'], '');
$pre_username = $desired_username['username'] . $desired_username['sufix'];
$user['UserName'] = $pre_username;
$user['create'] = '1';
} else {
if (UserManager::is_username_available($user['UserName'])) {
$desired_username = MySpace::make_username($user['FirstName'], $user['LastName'], $user['UserName']);
$user['UserName'] = $desired_username['username'] . $desired_username['sufix'];
$user['create'] = '1';
} else {
$is_session_avail = MySpace::user_available_in_session($user['UserName'], $course_list, $id_session);
if ($is_session_avail == 0) {
$user_name = $user['UserName'];
$sql_select = "SELECT user_id FROM {$table_user} WHERE username ='******' ";
$rs = Database::query($sql_select);
$user['create'] = Database::result($rs, 0, 0);
// This should be the ID because the user exists.
} else {
$user['create'] = $is_session_avail;
}
}
}
// Usernames is the current list of users in the file.
$result_array = MySpace::check_user_in_array($usernames, $desired_username);
$usernames = $result_array[0];
$desired_username = $result_array[1];
$user['UserName'] = $desired_username['username'] . $desired_username['sufix'];
$new_users[] = $user;
}
return $new_users;
}
