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<?php
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  This program is free software; you can redistribute it and/or modify     //
//  it under the terms of the GNU General Public License as published by     //
//  the Free Software Foundation; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu)                                          //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project                                                //
// ------------------------------------------------------------------------- //
/**
 * Manage users
 *
 * @copyright   http://www.impresscms.org/ The ImpressCMS Project
 * @license     LICENSE.txt
 * @category    ICMS
 * @package     Member
 * @subpackage  User
 * @version     SVN: $Id: Object.php 12313 2013-09-15 21:14:35Z skenow $
 */

defined('ICMS_ROOT_PATH') or exit();

/**
 * Class for users
 * @author      Kazumi Ono <onokazu@xoops.org>
 * @copyright   Copyright (c) 2000 XOOPS.org
 * @category    ICMS
 * @package     Member
 * @subpackage  User
 */
class icms_member_user_Object extends icms_core_Object {
    /**
     * Array of groups that user belongs to
     * @var array
     */
    private $_groups = array();
    /**
     * @var bool is the user admin?
     */
    static private $_isAdmin = array();
    /**
     * @var string user's rank
     */
    private $_rank = null;
    /**
     * @var bool is the user online?
     */
    private $_isOnline = null;

    /**
     * constructor
     * @param array $id Array of key-value-pairs to be assigned to the user. (for backward compatibility only)
     * @param int $id ID of the user to be loaded from the database.
     */
    public function __construct($id = null) {
        $this->initVar('uid', XOBJ_DTYPE_INT, null, false);
        $this->initVar('name', XOBJ_DTYPE_TXTBOX, null, false, 60);
        $this->initVar('uname', XOBJ_DTYPE_TXTBOX, null, true, 255);
        $this->initVar('email', XOBJ_DTYPE_TXTBOX, null, true, 60);
        $this->initVar('url', XOBJ_DTYPE_TXTBOX, null, false, 255);
        $this->initVar('user_avatar', XOBJ_DTYPE_TXTBOX, null, false, 30);
        $this->initVar('user_regdate', XOBJ_DTYPE_INT, null, false);
        $this->initVar('user_icq', XOBJ_DTYPE_TXTBOX, null, false, 15);
        $this->initVar('user_from', XOBJ_DTYPE_TXTBOX, null, false, 100);
        $this->initVar('user_sig', XOBJ_DTYPE_TXTAREA, null, false, null);
        $this->initVar('user_viewemail', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('actkey', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('user_aim', XOBJ_DTYPE_TXTBOX, null, false, 18);
        $this->initVar('user_yim', XOBJ_DTYPE_TXTBOX, null, false, 25);
        $this->initVar('user_msnm', XOBJ_DTYPE_TXTBOX, null, false, 100);
        $this->initVar('pass', XOBJ_DTYPE_TXTBOX, null, false, 255);
        $this->initVar('posts', XOBJ_DTYPE_INT, null, false);
        $this->initVar('attachsig', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('rank', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('level', XOBJ_DTYPE_TXTBOX, 0, false);
        $this->initVar('theme', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('timezone_offset', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('last_login', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('umode', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('uorder', XOBJ_DTYPE_INT, 1, false);
        // RMV-NOTIFY
        $this->initVar('notify_method', XOBJ_DTYPE_INT, 1, false);
        $this->initVar('notify_mode', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('user_occ', XOBJ_DTYPE_TXTBOX, null, false, 100);
        $this->initVar('bio', XOBJ_DTYPE_TXTAREA, null, false, null);
        $this->initVar('user_intrest', XOBJ_DTYPE_TXTBOX, null, false, 150);
        $this->initVar('user_mailok', XOBJ_DTYPE_INT, 1, false);

        $this->initVar('language', XOBJ_DTYPE_OTHER, null, false);
        $this->initVar('pass_expired', XOBJ_DTYPE_INT, 0, false);
        $this->initVar('login_name', XOBJ_DTYPE_TXTBOX, null, true, 255);

        // for backward compatibility
        if (isset($id)) {
            if (is_array($id)) {
                $this->assignVars($id);
            } else {
                $member_handler = icms::handler('icms_member');
                $user =& $member_handler->getUser($id);
                foreach ($user->vars as $k => $v) {
                    $this->assignVar($k, $v['value']);
                }
            }
        }
    }

    /**
     * check if the user is a guest user
     *
     * @return bool returns false
     */
    public function isGuest() {
        return false;
    }

    /**
     * Updated by Catzwolf 11 Jan 2004
     * find the username for a given ID
     *
     * @param int $userid ID of the user to find
     * @param int $usereal switch for usename or realname
     * @return string name of the user. name for "anonymous" if not found.
     */
    static public function getUnameFromId($userid, $usereal = 0) {
        $userid = (int) $userid;
        $usereal = (int) $usereal;
        if ($userid > 0) {
            $member_handler = icms::handler('icms_member');
            $user =& $member_handler->getUser($userid);
            if (is_object($user)) {
                if ($usereal) {
                    $name = $user->getVar('name');
                    if ($name != '') {
                        return icms_core_DataFilter::htmlSpecialChars($name);
                    } else {
                        return icms_core_DataFilter::htmlSpecialChars($user->getVar('uname'));
                    }
                } else {
                    return icms_core_DataFilter::htmlSpecialChars($user->getVar('uname'));
                }
            }
        }
        return $GLOBALS['icmsConfig']['anonymous'];
    }

    /**
     * set the groups for the user
     *
     * @param array $groupsArr Array of groups that user belongs to
     */
    public function setGroups($groupsArr) {
        if (is_array($groupsArr)) {
            $this->_groups =& $groupsArr;
        }
    }

    /**
     * sends a welcome message to the user which account has just been activated
     *
     * return TRUE if success, FALSE if not
     */
    public function sendWelcomeMessage() {
        global $icmsConfig, $icmsConfigUser;

        if (!$icmsConfigUser['welcome_msg']) return true;

        $xoopsMailer = new icms_messaging_Handler();
        $xoopsMailer->useMail();
        $xoopsMailer->setBody($icmsConfigUser['welcome_msg_content']);
        $xoopsMailer->assign('UNAME', $this->getVar('uname'));
        $user_email = $this->getVar('email');
        $xoopsMailer->assign('X_UEMAIL', $user_email);
        $xoopsMailer->setToEmails($user_email);
        $xoopsMailer->setFromEmail($icmsConfig['adminmail']);
        $xoopsMailer->setFromName($icmsConfig['sitename']);
        $xoopsMailer->setSubject(sprintf(_US_YOURREGISTRATION, icms_core_DataFilter::stripSlashesGPC($icmsConfig['sitename'])));
        if (!$xoopsMailer->send(true)) {
            $this->setErrors(_US_WELCOMEMSGFAILED);
            return false;
        } else {
            return true;
        }
    }

    /**
     * sends a notification to admins to inform them that a new user registered
     *
     * This method first checks in the preferences if we need to send a notification to admins upon new user
     * registration. If so, it sends the mail.
     *
     * return TRUE if success, FALSE if not
     */
    public function newUserNotifyAdmin() {
        global $icmsConfigUser, $icmsConfig;

        if ($icmsConfigUser['new_user_notify'] == 1 && !empty($icmsConfigUser['new_user_notify_group'])) {
            $member_handler = icms::handler('icms_member');
            $xoopsMailer = new icms_messaging_Handler();
            $xoopsMailer->useMail();
            $xoopsMailer->setTemplate('newuser_notify.tpl');
            $xoopsMailer->assign('UNAME', $this->getVar('uname'));
            $xoopsMailer->assign('EMAIL', $this->getVar('email'));
            $xoopsMailer->setToGroups($member_handler->getGroup($icmsConfigUser['new_user_notify_group']));
            $xoopsMailer->setFromEmail($icmsConfig['adminmail']);
            $xoopsMailer->setFromName($icmsConfig['sitename']);
            $xoopsMailer->setSubject(sprintf(_US_NEWUSERREGAT, $icmsConfig['sitename']));
            if (!$xoopsMailer->send(true)) {
                $this->setErrors(_US_NEWUSERNOTIFYADMINFAIL);
                return false;
            } else {
                return true;
            }
        } else {
            return true;
        }
    }

    /**
     * get the groups that the user belongs to
     *
     * @return array array of groups
     */
    public function &getGroups() {
        if (empty($this->_groups)) {
            $member_handler = icms::handler('icms_member');
            $this->_groups =& $member_handler->getGroupsByUser($this->getVar('uid'));
        }
        return $this->_groups;
    }

    /**
     * Is the user admin ?
     *
     * This method will return true if this user has admin rights for the specified module.<br />
     * - If you don't specify any module ID, the current module will be checked.<br />
     * - If you set the module_id to -1, it will return true if the user has admin rights for at least one module
     *
     * @param int $module_id check if user is admin of this module
     * @staticvar array $buffer result buffer
     * @return bool is the user admin of that module?
     */
    public function isAdmin($module_id = null) {
        static $buffer = array();
        if (is_null($module_id)) {
            $module_id = isset($GLOBALS['xoopsModule']) ? $GLOBALS['xoopsModule']->getVar('mid', 'n') : 1;
        } elseif((int) $module_id < 1) {$module_id = 0;}

        if (!isset($buffer[$module_id])) {
            $moduleperm_handler = icms::handler('icms_member_groupperm');
            $buffer[$module_id] = $moduleperm_handler->checkRight('module_admin', $module_id, $this->getGroups());
        }
        return $buffer[$module_id];
    }

    /**
     * get the user's rank
     * @return array array of rank ID and title
     */
    public function rank() {
        if (!isset($this->_rank)) {
            $this->_rank = icms_getModuleHandler("userrank", "system")->getRank($this->getVar('rank'), $this->getVar('posts'));
        }
        return $this->_rank;
    }

    /**
     * is the user activated?
     * @return bool
     */
    public function isActive() {
        if ($this->getVar('level') <= 0) {return false;}
        return true;
    }

    /**
     * is the user currently logged in?
     * @return bool
     */
    public function isOnline() {
        if (!isset($this->_isOnline)) {
            $onlinehandler = icms::handler('icms_core_Online');
            $this->_isOnline =
                ($onlinehandler->getCount(new icms_db_criteria_Item('online_uid', $this->getVar('uid'))) > 0)
                ? true
                : false;
        }
        return $this->_isOnline;
    }

    /**
     * Gravatar plugin for ImpressCMS
     * @author TheRplima
     *
     * @param string $rating
     * @param integer $size (size in pixels of the image. Accept values between 1 to 80. Default 80)
     * @param string $default (url of default avatar. Will be used if no gravatar are found)
     * @param string $border (hexadecimal color)
     *
     * @return string (gravatar or ImpressCMS avatar)
     */
    public function gravatar($rating = false, $size = false, $default = false, $border = false, $overwrite = false) {
        if (!$overwrite && is_file(ICMS_UPLOAD_PATH . '/' . $this->getVar('user_avatar')) && $this->getVar('user_avatar') != 'blank.gif') {
            return ICMS_UPLOAD_URL . '/' . $this->getVar('user_avatar');
        }
        $ret =  icms::$urls['http'] . "www.gravatar.com/avatar/" . md5(strtolower($this->getVar('email', 'E'))) . "?d=identicon";
        if ($rating && $rating != '') {$ret .= "&amp;rating=" . $rating;}
        if ($size && $size != '') {$ret .="&amp;size=" . $size;}
        if ($default && $default != '') {$ret .= "&amp;default=" . urlencode($default);}
        if ($border && $border != '') {$ret .= "&amp;border=" . $border;}
        return $ret;
    }
}