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<?php
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// +----------------------------------------------------------------------
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// | OneThink [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2013 http://www.onethink.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Common\Api;
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class UserApi {
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/**
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* 检测用户是否登录
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* @return integer 0-未登录，大于0-当前登录用户ID
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*/
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public static function is_login(){
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$user = session('user_auth');
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if (empty($user)) {
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return 0;
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} else {
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return session('user_auth_sign') == data_auth_sign($user) ? $user['uid'] : 0;
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}
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}
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/**
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* 检测当前用户是否为管理员
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* @return boolean true-管理员，false-非管理员
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*/
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public static function is_administrator($uid = null){
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$uid = is_null($uid) ? is_login() : $uid;
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return $uid && (intval($uid) === C('USER_ADMINISTRATOR'));
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}
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/**
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* 根据用户ID获取用户名
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* @param integer $uid 用户ID
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* @return string 用户名
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*/
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public static function get_username($uid = 0){
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static $list;
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if(!($uid && is_numeric($uid))){ //获取当前登录用户名
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return session('user_auth.username');
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}
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/* 获取缓存数据 */
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if(empty($list)){
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$list = S('sys_active_user_list');
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}
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/* 查找用户信息 */
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$key = "u{$uid}";
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if(isset($list[$key])){ //已缓存，直接使用
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$name = $list[$key];
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} else { //调用接口获取用户信息
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$User = new User\Api\UserApi();
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$info = $User->info($uid);
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if($info && isset($info[1])){
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$name = $list[$key] = $info[1];
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/* 缓存用户 */
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$count = count($list);
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$max = C('USER_MAX_CACHE');
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while ($count-- > $max) {
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array_shift($list);
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}
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S('sys_active_user_list', $list);
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} else {
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$name = '';
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}
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}
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return $name;
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}
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/**
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* 根据用户ID获取用户昵称
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* @param integer $uid 用户ID
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* @return string 用户昵称
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*/
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public static function get_nickname($uid = 0){
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static $list;
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if(!($uid && is_numeric($uid))){ //获取当前登录用户名
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return session('user_auth.username');
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}
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/* 获取缓存数据 */
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if(empty($list)){
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$list = S('sys_user_nickname_list');
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}
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/* 查找用户信息 */
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$key = "u{$uid}";
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if(isset($list[$key])){ //已缓存，直接使用
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$name = $list[$key];
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} else { //调用接口获取用户信息
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$info = M('Member')->field('nickname')->find($uid);
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if($info !== false && $info['nickname'] ){
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$nickname = $info['nickname'];
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$name = $list[$key] = $nickname;
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/* 缓存用户 */
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$count = count($list);
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$max = C('USER_MAX_CACHE');
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while ($count-- > $max) {
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array_shift($list);
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}
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S('sys_user_nickname_list', $list);
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} else {
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$name = '';
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}
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}
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return $name;
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}
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} |