qcminecraft/Carbon-Forum-F

<?php
SetStyle('api', 'API');

switch (Request('Request', 'action')) {
    case 'get_notifications':
        Auth(1);
        header("Cache-Control: no-cache, must-revalidate");
        @set_time_limit(0);
        //如果是自己的服务器，建议调大超时时间，然后把长连接时长调大，以节约服务器资源
        $Config['PushConnectionTimeoutPeriod'] = intval((intval($Config['PushConnectionTimeoutPeriod']) < 22) ? 22 : $Config['PushConnectionTimeoutPeriod']);
        while ((time() - $TimeStamp) < $Config['PushConnectionTimeoutPeriod']) {
            if ($MCache) {
                $CurUserInfo = $MCache->get(MemCachePrefix . 'UserInfo_' . $CurUserID);
                if ($CurUserInfo) {
                    $CurNewNotification = $CurUserInfo['NewNotification'];
                } else {
                    $TempUserInfo = $DB->row("SELECT *, (NewReply + NewMention + NewMessage) as NewNotification FROM " . PREFIX . "users WHERE ID = :UserID", array(
                        "UserID" => $CurUserID
                    ));
                    $MCache->set(MemCachePrefix . 'UserInfo_' . $CurUserID, $TempUserInfo, 86400);
                    $CurNewNotification = $TempUserInfo['NewNotification'];
                }
            } else {
                $CurNewNotification = $DB->single("SELECT (NewReply + NewMention + NewMessage) AS NewNotification FROM " . PREFIX . "users WHERE ID = :UserID", array(
                    "UserID" => $CurUserID
                ));
            }
            
            if ($CurNewNotification > 0) {
                break;
            }
            sleep(3);
        }
        echo json_encode(array(
            'Status' => 1,
            'NewMessage' => $CurNewNotification
        ));
        break;
    
    
    case 'get_tags':
        Auth(1);
        require(LibraryPath . "PHPAnalysis.class.php");
        $str                   = Request('Post', 'Title') . "/r/n" . Request('Post', 'Content');
        $do_fork               = $do_unit = true;
        $do_multi              = $do_prop = $pri_dict = false;
        //初始化类
        PhpAnalysis::$loadInit = false;
        $pa                    = new PhpAnalysis('utf-8', 'utf-8', $pri_dict);
        //载入词典
        $pa->LoadDict();
        //执行分词
        $pa->SetSource($str);
        $pa->differMax = $do_multi;
        $pa->unitWord  = $do_unit;
        $pa->StartAnalysis($do_fork);
        $ResultString   = $pa->GetFinallyResult('|', $do_prop);
        $tags           = array();
        $tags['status'] = 0;
        if ($ResultString) {
            foreach (explode('|', $ResultString) as $key => $value) {
                if ($value != '' && !is_numeric($value) && mb_strlen($value, "utf-8") >= 2) {
                    $SQLParameters[] = $value;
                }
            }
            $TagsLists1 = $DB->column("SELECT Name FROM " . PREFIX . "tags Where Name IN (?)", $SQLParameters);
            $TagsLists2 = $DB->column("SELECT Title FROM " . PREFIX . "dict Where Title IN (?) Group By Title", $SQLParameters);
            //$TagsLists2 = array();
            $TagsLists  = array_merge($TagsLists1, array_diff($TagsLists2, $TagsLists1));
            //获取热门话题
            $TagsLists  = array_merge($TagsLists, ArrayColumn($HotTagsArray, 'Name'));
            if ($TagsLists) {
                $tags['status'] = 1;
                rsort($TagsLists);
                $tags['lists'] = $TagsLists;
            }
        }
        echo json_encode($tags);
        break;
    
    
    case 'tag_autocomplete':
        //Auth(1);
        $Keyword           = Request('Post', 'query');
        $Response          = array();
        $Response['query'] = 'Unit';
        $Result            = $DB->column("SELECT Title FROM " . PREFIX . "dict WHERE Title LIKE :Keyword limit 10", array(
            "Keyword" => $Keyword . "%"
        ));
        if ($Result) {
            foreach ($Result as $key => $val) {
                $Response['suggestions'][] = array(
                    'value' => $val,
                    'data' => $val
                );
            }
        } else {
            $Response['suggestions'][] = '';
        }
        echo json_encode($Response);
        break;
    
    case 'user_exist':
        $UserName  = strtolower(Request('Post', 'UserName'));
        $UserExist = $DB->single("SELECT ID FROM " . PREFIX . "users WHERE UserName = :UserName", array(
            'UserName' => $UserName
        ));
        echo json_encode(array(
            'Status' => $UserExist ? 1 : 0
        ));
        break;
    
    case 'get_post':
        $PostId = intval(Request('Post', 'PostId'));
        $row    = $DB->row("SELECT UserName, Content, TopicID FROM " . PREFIX . "posts WHERE ID = :PostId AND IsDel = 0", array(
            'PostId' => $PostId
        ));
        if ($CurUserRole < 4) {
            // 对超级管理员以下的用户需要检查整个主题是否被删除了
            $TopicID  = $row['TopicID'];
            $TopicRow = $DB->single("SELECT COUNT(*) FROM " . PREFIX . "topics WHERE ID = :TopicID AND IsDel = 0", array(
                'TopicID' => $TopicID
            ));
            if ($TopicRow < 1) {
                $row = false;
            }
        }
        echo json_encode($row);
        break;
    
    default:
        # code...
        break;
}