66 lines
1.8 KiB
PHP
66 lines
1.8 KiB
PHP
<?php
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/**
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* 文件功能：清理房间在线名单的 Redis 缓存
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* 用于清除历史遗留的「幽灵在线」脏数据
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*
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* 执行方式：php artisan room:clear-online-cache
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*
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* @author ChatRoom Laravel
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*
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* @version 1.0.0
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*/
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namespace App\Console\Commands;
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use Illuminate\Console\Command;
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use Illuminate\Support\Facades\Redis;
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class ClearRoomOnlineCache extends Command
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{
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/**
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* Artisan 命令名称
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*
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* @var string
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*/
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protected $signature = 'room:clear-online-cache';
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/**
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* 命令描述
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*
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* @var string
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*/
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protected $description = '清空所有房间的 Redis 在线名单（清除幽灵在线脏数据）';
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/**
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* 执行命令
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*
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* 扫描所有 room:*:users Redis Key 并删除，让用户重新进房时写入干净数据。
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*/
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public function handle(): int
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{
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$prefix = config('database.redis.options.prefix', '');
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$cursor = '0';
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$cleaned = 0;
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$this->info("Redis 前缀：\"{$prefix}\"");
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$this->info('开始扫描 room:*:users ...');
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do {
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[$cursor, $keys] = Redis::scan($cursor, ['match' => $prefix.'room:*:users', 'count' => 100]);
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foreach ($keys ?? [] as $fullKey) {
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// 去掉 Redis 前缀，还原为 Laravel Facade 使用的短 Key
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$shortKey = $prefix ? substr($fullKey, strlen($prefix)) : $fullKey;
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Redis::del($shortKey);
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$this->line(" ✓ 已清除：{$shortKey}");
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$cleaned++;
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}
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} while ($cursor !== '0');
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$this->info("完成！共清理 {$cleaned} 个房间的在线名单。");
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$this->info('用户下次进房会重新写入正确数据，人数从 0 开始准确累计。');
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return self::SUCCESS;
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}
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}
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