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<?php
/** Class ki je nadomestil session pri nastavitvah userja
* Januar 2013
*
*
*
* @author Peter Hrvatin
*
*/
class SurveyUserSessionDestructor
{
/** pokli�emo destruktor funkcijo
*
*/
public function __destruct()
{
SurveyUserSession::destruct();
}
}
class SurveyUserSession
{
private static $destructorInstance;
private static $ank_id = null; // ID ankete
private static $dataArray = array();
static function Init($anketa = null)
{
global $global_user_id;
if (null === self::$destructorInstance)
self::$destructorInstance = new SurveyUserSessionDestructor();
if ($anketa == null || (int)$anketa == 0 || !is_numeric($anketa)) {
throw new Exception('Survey ID is mandatory for SurveyUserSession!');
}
self::$ank_id = $anketa;
# preberemo vse nastavitve za to anketo - ce jih se nimamo
if (!is_countable(self::$dataArray) || count(self::$dataArray) == 0) {
$sql = sisplet_query("SELECT data FROM srv_user_session WHERE ank_id='" . self::$ank_id . "' AND usr_id='$global_user_id'");
$row = mysqli_fetch_array($sql);
self::$dataArray = unserialize($row['data']);
}
}
static function getData($what = null)
{
if (self::$ank_id == null) {
throw new Exception('Survey ID is mandatory for SurveyUserSession!');
return null;
}
if ($what == null) {
return self::$dataArray;
} else if (isset(self::$dataArray[$what])) {
return self::$dataArray[$what];
}
return null;
}
public static function saveData($value, $what = null)
{
global $global_user_id;
if (self::$ank_id == null) {
throw new Exception('Survey ID is mandatory for SurveyUserSession!');
return null;
}
// Ce smo uporabili vse podatke
if ($what == null) {
self::$dataArray = $value;
// Brez tega break nekje ne dela - TODO
$dataString = mysqli_real_escape_string($GLOBALS['connect_db'], serialize(self::$dataArray));
$sql = sisplet_query("INSERT INTO srv_user_session (ank_id, usr_id, data) VALUES ('" . self::$ank_id . "', '$global_user_id', '$dataString') ON DUPLICATE KEY UPDATE data='$dataString'");
return true;
} // Ce smo uporabljali podatke samo za posamezno podstran
else {
if (!is_string($what)) {
throw new Exception('Variable \'what\' must be string!');
return null;
} else {
self::$dataArray[$what] = $value;
return true;
}
}
}
/**
* Izbriši seje za dotičnega uporabnika
*/
public static function delete()
{
global $global_user_id;
if (self::$ank_id == null) {
throw new Exception('Survey ID is mandatory for SurveyUserSession!');
return null;
}
sisplet_query("DELETE FROM srv_user_session WHERE ank_id = '" . self::$ank_id . "' AND usr_id='" . $global_user_id . "'");
}
/** ob ukinitvi klassa shranimo vse vrednosti
*
*/
static public function destruct()
{
global $global_user_id;
global $connect_db;
if (self::$ank_id == null) {
throw new Exception('Survey ID is mandatory for SurveyUserSession!');
return null;
}
// v destructu več nimamo connect_db resoursa
if ($connect_db == null) {
// poizkusimo še 1x
global $mysql_server, $mysql_username, $mysql_password, $mysql_database_name;
if (!$connect_db = mysqli_connect($mysql_server, $mysql_username, $mysql_password, $mysql_database_name)) {
die ('Please try again later [ERR: DB])');
}
}
# pripravimo string za shranjevanje
if (is_countable(self::$dataArray) && count(self::$dataArray) > 0) {
$dataString = mysqli_real_escape_string($GLOBALS['connect_db'], serialize(self::$dataArray));
$sql = sisplet_query("INSERT INTO srv_user_session (ank_id, usr_id, data) VALUES ('" . self::$ank_id . "', '$global_user_id', '$dataString') ON DUPLICATE KEY UPDATE data='$dataString'");
if (!$sql) echo mysqli_error($GLOBALS['connect_db']);
// Dodano ker drugace ne zapise v bazo (zaradi ExclusiveLock classa)
sisplet_query("COMMIT");
}
}
}
?>
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