Пользовательская подсказка в Utop 5.0

<?php
/*
####################################################
@copyright        (c) 2013 Nevex Group
@name            uTop
@version        5.0
@link            http://nevex.pw/
####################################################
*/    

if(!defined('DATALIFEENGINE')) exit();

class uTop {

    private $hiddenUsers;
    public $config;
    private $db;
    private $dle_config;
    public $cache;
    
    function __construct() {
        global $db, $config;
        $this->db = $db;
        $this->dle_config = $config;
        $this->config = $this->loadConfig();
        if(! class_exists("nCache")) include_once ENGINE_DIR . "/modules/utop/cache.class.php";
        $this->cache = new nCache(ENGINE_DIR . "/modules/utop/cache", $this->config['cache_max_time']);
        if(! $this->config['cache']) $this->cache->enable = false;
        if(($this->dle_config['cache_type'] == "1") and $this->dle_config['memcache_server']) $this->cache->enableMemcache($this->dle_config['memcache_server']);
        
        $husersdata = file_get_contents(ENGINE_DIR . "/modules/utop/hidden_users.txt");
        $hiddenUsersArr = explode(",", $husersdata);
        $this->hiddenUsers = $hiddenUsersArr;
    }
    
    public function parseSortList($sorlList) {
        $options_list = explode("\n", $sorlList);
        $options_result = array();
        foreach ($options_list as $str) {
            $str = trim($str);
            $arr = explode("=", $str);
            $option_title = trim($arr[1]);
            $option_value = trim($arr[0]);
            if($option_title and $option_value) {
                $options_result[$option_value] = $option_title;
            }
        }
        return $options_result;
    }
    public function showSortList(array $sorlList) {
        $options_result = array();
        foreach ($sorlList as $key => $value) {
            $options_result[] = "{$key}={$value}";
        }
        return implode("\n", $options_result);
    }
    
    public function parseXfields($xfields) {
        if( $xfields == "" ) return;
        $xfieldsdata = explode( "||", $xfields );
        foreach ( $xfieldsdata as $xfielddata ) {
            list ( $xfielddataname, $xfielddatavalue ) = explode( "|", $xfielddata );
            $xfielddataname = str_replace( "&#124;", "|", $xfielddataname );
            $xfielddataname = str_replace( "__NEWL__", "\r\n", $xfielddataname );
            $xfielddatavalue = str_replace( "&#124;", "|", $xfielddatavalue );
            $xfielddatavalue = str_replace( "__NEWL__", "\r\n", $xfielddatavalue );
            $data = array();
            $data[$xfielddataname] = $xfielddatavalue;
        }
        return $data;
    }
    
    private function sqlFilters($showGroups, $showBanned, $lastVisitPeriod) {
        $sql_filters = array();
        $lastVisitPeriod = $lastVisitPeriod ? intval($lastVisitPeriod) : intval($this->config['last_visit_period']);

        foreach($showGroups as $key => $value){
            if(trim($value) == "") unset($showGroups[$key]);
        }
        
        // фильтр по группам
        if(count($showGroups) > 0) {
            $sql_where = implode(",", $showGroups);
            $sql_where = "`user_group` IN ({$sql_where})";
            $sql_filters[] = $sql_where;
        }
        
        // скрытие пользователей, не желающих участвовать в топе
        if($this->config['allow_leave_top'] == "1") $sql_filters[] = "`utop_join` = '1'";
        
        // скрытые пользователи
        if($this->config['enable_hide_users'] == "1") {
            foreach ($this->hiddenUsers as $key=>$user_id) {
                if($user_id == "") unset($this->hiddenUsers[$key]);
            }
            $sql_hidden = implode(",", $this->hiddenUsers);
            $sql_hidden = "`user_id` NOT IN ({$sql_hidden})";
            if(count($this->hiddenUsers) > 0) $sql_filters[] = $sql_hidden;
        }
        
        // фильтр забаненых
        if(! $showBanned) $sql_filters[] = "`banned` != 'yes'";

        // те, кто не посещал сайт более n дней
        if($lastVisitPeriod > 0){
            $lastVisit = (time() + $this->dle_config['date_adjust'] * 60) - ($lastVisitPeriod * 86400);
            $sql_filters[] = "`lastdate` >= {$lastVisit}";
        }
        
        $result_query = "";
        if(count($sql_filters) > 0) {
        $result_query = implode(" AND ", $sql_filters);
        $result_query = "WHERE " . $result_query;
        }
        return $result_query;
        
    }
    
    public function formatDate($date_format, $date) {
        $day_start = mktime('00', '00', '00', date("m"),  date("d"),  date("Y"));
        $day_end = mktime('23', '59', '59', date("m"),  date("d"),  date("Y"));
        $day_yesterday = $day_start - (3600 * 24);
        if(($date >= $day_start) AND ($date <= $day_end) AND ($this->config['offest_date_format'] == "1")) {
        $return = "Сегодня, " . langdate("H:i", $date);
        } elseif(($date >= $day_yesterday) AND ($this->config['offest_date_format'] == "1")) {
        $return = "Вчера, " . langdate("H:i", $date);
        } else {
        $return = langdate($date_format, $date);
        }
        return $return;
    }
    
    public function getSortList(){ return $this->config['sort_list']; }
    
    // Получаем отсортированный список пользователей из БД
    private function loadFromDB($limit, $showGroups, $showBanned, $sortBy, $sortOrder, $lastVisitPeriod) {
        $sql_where = $this->sqlFilters($showGroups, $showBanned, $lastVisitPeriod);
        $data = array();
        $this->db->query("SELECT {$this->config['sql_rows']} FROM ".PREFIX."_users AS users {$this->config['sql_join']} {$sql_where} ORDER BY `{$sortBy}` {$sortOrder} LIMIT 0, {$limit}");
        while($row = $this->db->get_row()) {
            // Удаляем ненужную информацию о пользователе
            unset($row['password'], $row['allow_mail'], $row['hash'], $row['signature'], $row['logged_ip'], $row['favorites'], $row['pm_all'], $row['pm_unread'], $row['time_limit'], $row['allowed_ip'], $row['restricted_days'], $row['restricted_date']);
            $row['xfields'] = $this->parseXfields($row['xfields']);
            $data[] = $row;
        }
        return $data;
    }

    // Получение массива с пользователями из кеша/БД
    public function getData($limit, $showGroups, $showBanned, $sortBy, $sortOrder, $cacheTime, $lastVisitPeriod) {
        global $user_group;
        $limit = $limit ? intval($limit) : $this->config['max_user'];
        if($showGroups){
            foreach(explode(",", $showGroups) as $key => $value) $showGroups[$key] = intval($value);
        } else $showGroups = $this->config['show_groups'];
        $showBanned = $showBanned ? intval($showBanned) : $this->config['show_banned'];
        $sortBy = $sortBy ? $sortBy : $this->config['sort_type'];
        if($sortBy == "utop_rand"){
            $sorts = $this->config['sort_list'];
            unset($sorts['utop_rand']);
            $sorts = array_keys($sorts);
            $index = rand(0, count($sorts)-1);
            $sortBy = $sorts[$index];
        }
        $sortOrder = (($sortOrder == "ASC") or ($sortOrder == "DESC")) ? $sortOrder : $this->config['sort_order'];
        if($cacheTime) $cacheTime = intval($cacheTime);
        else $cacheTime = NULL;
        
        $cacheName = md5("{$limit}-" . implode(",", $showGroups) . "-{$showBanned}-{$sortBy}-{$sortOrder}-{$lastVisitPeriod}");
        
        if(! $data = $this->cache->get("block_{$cacheName}")){
            // загрузка из БД
            $data = $this->loadFromDB($limit, $showGroups, $showBanned, $sortBy, $sortOrder, $lastVisitPeriod);
            
            foreach ($data as $num=>$userinfo) {

                // ссылка на аватар
                if(($userinfo['foto'] != "") AND (file_exists(ROOT_DIR . "/uploads/fotos/{$userinfo['foto']}"))) {
                    $userinfo['foto'] = "{$this->dle_config['http_home_url']}uploads/fotos/{$userinfo['foto']}";
                } elseif (file_exists(ROOT_DIR . "/templates/{$this->dle_config['skin']}/dleimages/noavatar.png")) { // noavatar fix (9.7+)
                    $userinfo['foto'] = "{$this->dle_config['http_home_url']}templates/{$this->dle_config['skin']}/dleimages/noavatar.png";
                } else {
                    $userinfo['foto'] = "{$this->dle_config['http_home_url']}templates/{$this->dle_config['skin']}/images/noavatar.png";
                }
                
                $userinfo['group_id'] = $userinfo['user_group'];
                $userinfo['user_group'] = $user_group[$userinfo['group_id']]['group_name'];
                $userinfo['user_group_formated'] = $user_group[$userinfo['group_id']]['group_prefix'] . $user_group[$userinfo['group_id']]['group_name'] . $user_group[$userinfo['group_id']]['group_suffix'];
                $userinfo['url_name'] = urlencode($userinfo['name']);
                $userinfo['profile_link'] = ($this->dle_config['allow_alt_url'] == "yes") ? "{$this->dle_config['http_home_url']}user/{$userinfo['url_name']}/" : "{$this->dle_config['http_home_url']}index.php?subaction=userinfo&user={$userinfo['url_name']}";                

                switch($this->config['nick_format_mode']) {
                    case "color" :
                        if($this->config["group{$userinfo['group_id']}_color"] != "") {
                            $userinfo['name_formated'] = "<span style=\"color:" . $this->config["group{$userinfo['group_id']}_color"] . "\">{$userinfo['name']}</span>";
                        } else {
                            $userinfo['name_formated'] = $userinfo['name'];
                        }
                    break;
                    
                    case "group_settings" :
                        $userinfo['name_formated'] = $user_group[$userinfo['group_id']]['group_prefix'] . $userinfo['name'] . $user_group[$userinfo['group_id']]['group_suffix'];
                    break;
                    
                    default :
                        $userinfo['name_formated'] = $userinfo['name'];
                    break;
                }
                
                $data[$num] = $userinfo;
            }
            
            if($cacheTime) $this->cache->set("block_{$cacheName}", $data, $cacheTime);
            else $this->cache->set("block_{$cacheName}", $data);
        }
        
        foreach ($data as $num=>$userinfo) {
            $userinfo['reg_date'] = $this->formatDate($this->config['regdate_format'], $userinfo['reg_date']);
            $userinfo['lastdate'] = $this->formatDate($this->config['lastdate_format'], $userinfo['lastdate']);
            $data[$num] = $userinfo;
        }
        return $data;
    }

    static function loadConfig(){
        include ENGINE_DIR . "/modules/utop/config.php";
        return $uconf;
    }
    
    static function convertCharset($value, $inCharset, $outCharset){
        if(is_array($value)){
            foreach($value as $key => $val) $value[$key] = uTop::convertCharset($val, $charset);
        } else {
            $value = iconv($inCharset, $outCharset, $value);
        }
        return $value;
    }
    
    static function saveConfig(array $newConfig, $charset){
        $configFile = ENGINE_DIR . "/modules/utop/config.php";
        if(file_exists($configFile) and (!is_writable($configFile))){
            return "<b>Ошибка:</b> файл <b>{$configFile}</b> недоступен для записи.";
        }
        $newConfig['version'] = "5.0";
        if($f = @fopen($configFile, "w+")){
            $contents = "<?php\n# uTop Config File\n# (c) 2013 Nevex Group\n\n\$uconf = " . var_export($newConfig, true) . ";\n";
            fputs($f, ($charset) ? uTop::convertCharset($contents, "utf-8", $charset) : $contents);
            fclose($f);
            return 1;
        } else return "<b>Ошибка:</b> не удалось произвести запись в файл <b>{$configFile}</b>. Проверьте права доступа.";
    }

}