0 && !empty($_course['id']))
{
$query = "REPLACE INTO ".$online_table ." (login_id,login_user_id,login_date,login_ip, course) VALUES ($uid,$uid,'$login_date','$login_ip', '".$_course['id']."')";
}
else
{
$query = "REPLACE INTO ".$online_table ." (login_id,login_user_id,login_date,login_ip) VALUES ($uid,$uid,'$login_date','$login_ip')";
}
@api_sql_query($query,__FILE__,__LINE__);
}
}
/**
* Remove all login records from the track_e_online stats table, for the given user ID.
* @param int User ID
* @return void
*/
function LoginDelete($user_id)
{
$online_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ONLINE);
$user_id = (int) $user_id;
$query = "DELETE FROM ".$online_table ." WHERE login_user_id = '".$user_id."'";
@api_sql_query($query,__FILE__,__LINE__);
}
/**
* Gives a list of people online now (and in the last $valid minutes)
* @param int User ID - useless
* @param string Statistics database name - useless
* @param int Number of minutes to account logins for
* @return array For each line, a list of user IDs and login dates, or FALSE on error or empty results
* @todo remove parameter $statistics_database which is no longer necessary
*/
function WhoIsOnline($uid=0,$statistics_database='',$valid)
{
$valid = (int) $valid;
$current_date=date('Y-m-d H:i:s',time());
$track_online_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ONLINE);
$query = "SELECT login_user_id,login_date FROM ".$track_online_table ." WHERE DATE_ADD(login_date,INTERVAL $valid MINUTE) >= '".$current_date."' ";
$result = @api_sql_query($query,__FILE__,__LINE__);
if (count($result)>0)
{
$rtime = time();
$rdate = date("Y-m-d H:i:s",$rtime);
$validtime = mktime(date("H"),date("i")-$valid,date("s"),date("m"),date("d"),date("Y"));
$rarray = array();
while(list($login_user_id,$login_date)= Database::fetch_row($result))
{
$barray = array();
array_push($barray,$login_user_id);
array_push($barray,$login_date);
// YYYY-MM-DD HH:MM:SS, db date format
$hour = substr($login_date,11,2);
$minute = substr($login_date,14,2);
$secund = substr($login_date,17,2);
$month = substr($login_date,5,2);
$day = substr($login_date,8,2);
$year = substr($login_date,0,4);
// db timestamp
$dbtime = mktime($hour,$minute,$secund,$month,$day,$year);
if ($dbtime>$validtime)
{
array_push($rarray,$barray);
}
}
return $rarray;
}
else
{
return false;
}
}
/**
* Gets the full user name for a given user ID
* @param int User ID
* @return string The full username, elements separated by an HTML space
*/
function GetFullUserName($uid)
{
$uid = (int) $uid;
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$query = "SELECT firstname,lastname FROM ".$user_table." WHERE user_id='$uid'";
$result = @api_sql_query($query,__FILE__,__LINE__);
if (count($result)>0)
{
$str = "";
while(list($firstname,$lastname)= Database::fetch_array($result))
{
$str = $lastname." ".$firstname;
return $str;
}
}
}
/**
* Gets a list of chat calls made by others to the current user (info kept in main.user table)
* @param none - taken from global space
* @return string An HTML-formatted message
*/
function chatcall() {
global $_user, $_cid;
if (!$_user['user_id'])
{
return (false);
}
$track_user_table = Database::get_main_table(TABLE_MAIN_USER);
$sql="select chatcall_user_id, chatcall_date from $track_user_table where ( user_id = '".$_user['user_id']."' )";
$result=api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($result);
$login_date=$row['chatcall_date'];
$hour = substr($login_date,11,2);
$minute = substr($login_date,14,2);
$secund = substr($login_date,17,2);
$month = substr($login_date,5,2);
$day = substr($login_date,8,2);
$year = substr($login_date,0,4);
$calltime = mktime($hour,$minute,$secund,$month,$day,$year);
$time = time();
$time = date("Y-m-d H:i:s", $time);
$minute_passed=5; //within this limit, the chat call request is valid
$limittime = mktime(date("H"),date("i")-$minute_passed,date("s"),date("m"),date("d"),date("Y"));
if (($row['chatcall_user_id']) and ($calltime>$limittime)) {
$webpath=api_get_path(WEB_CODE_PATH);
$message=get_lang('YouWereCalled').' : '.GetFullUserName($row['chatcall_user_id'],'').'
'.get_lang('DoYouAccept')
.""
.""
. get_lang("Yes")
.""
." | "
.""
. get_lang("No")
.""
."
";
return($message);
}
else
{
return(false);
}
}
/**
* Returns a list (array) of users who are online and in this course.
* @param int User ID
* @param int Number of minutes
* @param string Course code (could be empty, but then the function returns false)
* @return array Each line gives a user id and a login time
*/
function who_is_online_in_this_course($uid, $valid, $coursecode=null)
{
if(empty($coursecode)) return false;
$track_online_table = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ONLINE);
$coursecode = Database::escape_string($coursecode);
$query = "SELECT login_user_id,login_date FROM ".$track_online_table ." WHERE course='".$coursecode."' AND DATE_ADD(login_date,INTERVAL $valid MINUTE) >= NOW() ";
$result = api_sql_query($query,__FILE__,__LINE__);
if (count($result)>0)
{
$rtime = time();
$rdate = date("Y-m-d H:i:s",$rtime);
$validtime = mktime(date("H"),date("i")-$valid,date("s"),date("m"),date("d"),date("Y"));
$rarray = array();
while(list($login_user_id,$login_date)= mysql_fetch_row($result))
{
$barray = array();
array_push($barray,$login_user_id);
array_push($barray,$login_date);
// YYYY-MM-DD HH:MM:SS, db date format
$hour = substr($login_date,11,2);
$minute = substr($login_date,14,2);
$secund = substr($login_date,17,2);
$month = substr($login_date,5,2);
$day = substr($login_date,8,2);
$year = substr($login_date,0,4);
// db timestamp
$dbtime = mktime($hour,$minute,$secund,$month,$day,$year);
if ($dbtime >= $validtime)
{
array_push($rarray,$barray);
}
}
return $rarray;
}
else
{
return false;
}
}