public function __get($var)
 {
     switch ($var) {
         case 'last_visit_front':
             return $this->last_visit_front = date(erLhcoreClassModule::$dateDateHourFormat, $this->last_visit);
             break;
         case 'first_visit_front':
             return $this->first_visit_front = date(erLhcoreClassModule::$dateDateHourFormat, $this->first_visit);
             break;
         case 'invitation':
             $this->invitation = false;
             if ($this->invitation_id > 0) {
                 try {
                     $this->invitation = erLhAbstractModelProactiveChatInvitation::fetch($this->invitation_id);
                 } catch (Exception $e) {
                     $this->invitation = false;
                 }
             }
             return $this->invitation;
             break;
         case 'has_message_from_operator':
             return $this->message_seen == 0 && $this->operator_message != '';
             break;
         case 'notes_intro':
             return $this->notes_intro = $this->notes != '' ? '[ ' . mb_substr($this->notes, 0, 50) . ' ]' . '<br/>' : '';
             break;
         case 'chat':
             $this->chat = false;
             if ($this->chat_id > 0) {
                 try {
                     $this->chat = erLhcoreClassModelChat::fetch($this->chat_id);
                 } catch (Exception $e) {
                     //
                 }
             }
             return $this->chat;
             break;
         case 'can_view_chat':
             $this->can_view_chat = false;
             $currentUser = erLhcoreClassUser::instance();
             if ($this->operator_user_id == $currentUser->getUserID()) {
                 $this->can_view_chat = true;
                 // Faster way
             } else {
                 if ($this->chat instanceof erLhcoreClassModelChat) {
                     $this->can_view_chat = erLhcoreClassChat::hasAccessToRead($this->chat);
                 }
             }
             return $this->can_view_chat;
             break;
         case 'operator_user':
             $this->operator_user = false;
             if ($this->operator_user_id > 0) {
                 try {
                     $this->operator_user = erLhcoreClassModelUser::fetch($this->operator_user_id);
                 } catch (Exception $e) {
                 }
             }
             return $this->operator_user;
             break;
         case 'operator_user_send':
             $this->operator_user_send = $this->operator_user !== false;
             return $this->operator_user_send;
             break;
         case 'operator_user_string':
             $this->operator_user_string = (string) $this->operator_user;
             return $this->operator_user_string;
             break;
         case 'time_on_site_front':
             $this->time_on_site_front = gmdate(erLhcoreClassModule::$dateHourFormat, $this->time_on_site);
             return $this->time_on_site_front;
             break;
         case 'tt_time_on_site_front':
             $this->tt_time_on_site_front = null;
             $diff = $this->tt_time_on_site;
             $days = floor($diff / (3600 * 24));
             $hours = floor(($diff - $days * 3600 * 24) / 3600);
             $minits = floor(($diff - $hours * 3600 - $days * 3600 * 24) / 60);
             $seconds = $diff - $hours * 3600 - $minits * 60 - $days * 3600 * 24;
             if ($days > 0) {
                 $this->tt_time_on_site_front = $days . ' d.';
             } elseif ($hours > 0) {
                 $this->tt_time_on_site_front = $hours . ' h.';
             } elseif ($minits > 0) {
                 $this->tt_time_on_site_front = $minits . ' m.';
             } elseif ($seconds >= 0) {
                 $this->tt_time_on_site_front = $seconds . ' s.';
             }
             return $this->tt_time_on_site_front;
             break;
         case 'last_visit_seconds_ago':
             $this->last_visit_seconds_ago = time() - $this->last_visit;
             return $this->last_visit_seconds_ago;
             break;
         case 'last_check_time_ago':
             $this->last_check_time_ago = time() - $this->last_check_time;
             return $this->last_check_time_ago;
             break;
         case 'visitor_tz_time':
             $this->visitor_tz_time = '-';
             if ($this->visitor_tz != '') {
                 $date = new DateTime(null, new DateTimeZone($this->visitor_tz));
                 $this->visitor_tz_time = $date->format(erLhcoreClassModule::$dateHourFormat);
             }
             return $this->visitor_tz_time;
             break;
         case 'lastactivity_ago':
             $this->lastactivity_ago = '';
             if ($this->last_visit > 0) {
                 $periods = array("s.", "m.", "h.", "d.", "w.", "m.", "y.", "dec.");
                 $lengths = array("60", "60", "24", "7", "4.35", "12", "10");
                 $difference = time() - $this->last_visit;
                 for ($j = 0; $difference >= $lengths[$j] && $j < count($lengths) - 1; $j++) {
                     $difference /= $lengths[$j];
                 }
                 $difference = round($difference);
                 $this->lastactivity_ago = "{$difference} {$periods[$j]}";
             }
             return $this->lastactivity_ago;
             break;
         case 'screenshot':
             $this->screenshot = false;
             if ($this->screenshot_id > 0) {
                 try {
                     $this->screenshot = erLhcoreClassModelChatFile::fetch($this->screenshot_id);
                 } catch (Exception $e) {
                 }
             }
             return $this->screenshot;
             break;
         case 'online_attr_system_array':
             $this->online_attr_system_array = array();
             if ($this->online_attr_system != '') {
                 $this->online_attr_system_array = json_decode($this->online_attr_system, true);
             }
             return $this->online_attr_system_array;
             break;
         case 'online_status':
             $this->online_status = 2;
             // Offline
             if (erLhcoreClassChat::$trackTimeout == 0) {
                 erLhcoreClassChat::$trackTimeout = 15;
             }
             if (erLhcoreClassChat::$trackActivity == true) {
                 if ($this->last_check_time_ago < erLhcoreClassChat::$trackTimeout + 10 && $this->user_active == 1) {
                     //User still on site, it does not matter that he have closed widget.
                     $this->online_status = 0;
                     // Online
                 } elseif ($this->last_check_time_ago < erLhcoreClassChat::$trackTimeout + 10 && $this->user_active == 0) {
                     $this->online_status = 1;
                     // Away
                 }
             } else {
                 if ($this->last_check_time_ago < erLhcoreClassChat::$trackTimeout + 10 && time() - $this->last_user_msg_time < 300) {
                     //User still on site, it does not matter that he have closed widget.
                     $this->online_status = 0;
                     // Online
                 } elseif ($this->last_check_time_ago < erLhcoreClassChat::$trackTimeout + 10 && time() - $this->last_user_msg_time >= 300) {
                     $this->online_status = 1;
                     // Away
                 }
             }
             return $this->online_status;
             break;
         default:
             break;
     }
 }
 public function __get($var)
 {
     switch ($var) {
         case 'last_visit_front':
             return $this->last_visit_front = date(erLhcoreClassModule::$dateDateHourFormat, $this->last_visit);
             break;
         case 'first_visit_front':
             return $this->first_visit_front = date(erLhcoreClassModule::$dateDateHourFormat, $this->first_visit);
             break;
         case 'invitation':
             $this->invitation = false;
             if ($this->invitation_id > 0) {
                 try {
                     $this->invitation = erLhAbstractModelProactiveChatInvitation::fetch($this->invitation_id);
                 } catch (Exception $e) {
                     $this->invitation = false;
                 }
             }
             return $this->invitation;
             break;
         case 'has_message_from_operator':
             return $this->message_seen == 0 && $this->operator_message != '';
             break;
         case 'chat':
             $this->chat = false;
             if ($this->chat_id > 0) {
                 try {
                     $this->chat = erLhcoreClassModelChat::fetch($this->chat_id);
                 } catch (Exception $e) {
                     //
                 }
             }
             return $this->chat;
             break;
         case 'can_view_chat':
             $this->can_view_chat = false;
             $currentUser = erLhcoreClassUser::instance();
             if ($this->operator_user_id == $currentUser->getUserID()) {
                 $this->can_view_chat = true;
                 // Faster way
             } else {
                 if ($this->chat instanceof erLhcoreClassModelChat) {
                     $this->can_view_chat = erLhcoreClassChat::hasAccessToRead($this->chat);
                 }
             }
             return $this->can_view_chat;
             break;
         case 'operator_user':
             $this->operator_user = false;
             if ($this->operator_user_id > 0) {
                 try {
                     $this->operator_user = erLhcoreClassModelUser::fetch($this->operator_user_id);
                 } catch (Exception $e) {
                 }
             }
             return $this->operator_user;
             break;
         case 'operator_user_send':
             $this->operator_user_send = $this->operator_user !== false;
             return $this->operator_user_send;
             break;
         case 'operator_user_string':
             $this->operator_user_string = (string) $this->operator_user;
             return $this->operator_user_string;
             break;
         case 'time_on_site_front':
             $this->time_on_site_front = gmdate(erLhcoreClassModule::$dateHourFormat, $this->time_on_site);
             return $this->time_on_site_front;
             break;
         case 'tt_time_on_site_front':
             $this->tt_time_on_site_front = null;
             $diff = $this->tt_time_on_site;
             $days = floor($diff / (3600 * 24));
             $hours = floor(($diff - $days * 3600 * 24) / 3600);
             $minits = floor(($diff - $hours * 3600 - $days * 3600 * 24) / 60);
             $seconds = $diff - $hours * 3600 - $minits * 60 - $days * 3600 * 24;
             if ($days > 0) {
                 $this->tt_time_on_site_front = $days . ' d.';
             } elseif ($hours > 0) {
                 $this->tt_time_on_site_front = $hours . ' h.';
             } elseif ($minits > 0) {
                 $this->tt_time_on_site_front = $minits . ' m.';
             } elseif ($seconds >= 0) {
                 $this->tt_time_on_site_front = $seconds . ' s.';
             }
             return $this->tt_time_on_site_front;
             break;
         case 'last_visit_seconds_ago':
             $this->last_visit_seconds_ago = time() - $this->last_visit;
             return $this->last_visit_seconds_ago;
             break;
         case 'last_check_time_ago':
             $this->last_check_time_ago = time() - $this->last_check_time;
             return $this->last_check_time_ago;
             break;
         case 'visitor_tz_time':
             $this->visitor_tz_time = '-';
             if ($this->visitor_tz != '') {
                 $date = new DateTime(null, new DateTimeZone($this->visitor_tz));
                 $this->visitor_tz_time = $date->format(erLhcoreClassModule::$dateHourFormat);
             }
             return $this->visitor_tz_time;
             break;
         case 'lastactivity_ago':
             $this->lastactivity_ago = '';
             if ($this->last_visit > 0) {
                 $periods = array("s.", "m.", "h.", "d.", "w.", "m.", "y.", "dec.");
                 $lengths = array("60", "60", "24", "7", "4.35", "12", "10");
                 $difference = time() - $this->last_visit;
                 for ($j = 0; $difference >= $lengths[$j] && $j < count($lengths) - 1; $j++) {
                     $difference /= $lengths[$j];
                 }
                 $difference = round($difference);
                 $this->lastactivity_ago = "{$difference} {$periods[$j]}";
             }
             return $this->lastactivity_ago;
             break;
         case 'screenshot':
             $this->screenshot = false;
             if ($this->screenshot_id > 0) {
                 try {
                     $this->screenshot = erLhcoreClassModelChatFile::fetch($this->screenshot_id);
                 } catch (Exception $e) {
                 }
             }
             return $this->screenshot;
             break;
         default:
             break;
     }
 }