- 新增 messages:purge Artisan 命令,分批删除旧消息 - 默认保留最近 30 天,可通过 sysparam message_retention_days 配置 - 支持 --days 参数覆盖和 --dry-run 预览模式 - 每天凌晨 3 点自动执行 - 线上需配置 crontab: * * * * * php artisan schedule:run
92 lines
2.6 KiB
PHP
92 lines
2.6 KiB
PHP
<?php
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/**
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* 文件功能:定期清理聊天记录 Artisan 命令
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*
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* 每天自动清理超过指定天数的聊天记录,保持数据库体积可控。
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* 保留天数可通过 sysparam 表的 message_retention_days 配置,默认 30 天。
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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 App\Models\Message;
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use App\Models\Sysparam;
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use Carbon\Carbon;
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use Illuminate\Console\Command;
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class PurgeOldMessages extends Command
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{
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/**
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* 命令签名
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*
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* @var string
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*/
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protected $signature = 'messages:purge
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{--days= : 覆盖默认保留天数}
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{--dry-run : 仅预览不实际删除}';
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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 $description = '清理超过指定天数的聊天记录(保留天数由 sysparam message_retention_days 配置,默认 30 天)';
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/**
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* 执行命令
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*
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* 按批次删除旧消息,避免长时间锁表。
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*/
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public function handle(): int
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{
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// 保留天数:命令行参数 > sysparam 配置 > 默认 30 天
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$days = (int) ($this->option('days')
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?: Sysparam::getValue('message_retention_days', '30'));
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$cutoff = Carbon::now()->subDays($days);
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$isDryRun = $this->option('dry-run');
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// 统计待清理数量
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$totalCount = Message::where('sent_at', '<', $cutoff)->count();
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if ($totalCount === 0) {
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$this->info("✅ 没有超过 {$days} 天的聊天记录需要清理。");
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return self::SUCCESS;
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}
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if ($isDryRun) {
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$this->warn("🔍 [预览模式] 将删除 {$totalCount} 条超过 {$days} 天的聊天记录(截止 {$cutoff->toDateTimeString()})");
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return self::SUCCESS;
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}
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$this->info("🧹 开始清理超过 {$days} 天的聊天记录(截止 {$cutoff->toDateTimeString()})...");
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$this->info(" 待清理数量:{$totalCount} 条");
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// 分批删除,每批 1000 条,避免长时间锁表
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$deleted = 0;
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$batchSize = 1000;
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do {
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$batch = Message::where('sent_at', '<', $cutoff)
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->limit($batchSize)
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->delete();
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$deleted += $batch;
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if ($batch > 0) {
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$this->line(" 已删除 {$deleted}/{$totalCount} 条...");
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}
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} while ($batch === $batchSize);
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$this->info("✅ 清理完成!共删除 {$deleted} 条聊天记录。");
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return self::SUCCESS;
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}
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}
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