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app/Tasks/DeleteBotMsgTask.php

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+<?php
+
+namespace App\Tasks;
+
+@error_reporting(E_ALL & ~E_NOTICE & ~E_WARNING);
+
+use App\Models\UserBot;
+use App\Models\WebSocketDialogMsg;
+use Carbon\Carbon;
+
+/**
+ * 删除机器人消息
+ */
+class DeleteBotMsgTask extends AbstractTask
+{
+
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    public function start()
+    {
+        $bots = UserBot::where('clear_at', '<=', Carbon::now())->take(100)->get();
+        foreach ($bots as $bot) {
+            WebSocketDialogMsg::whereUserid($bot->bot_id)
+                ->where('created_at', '<=', Carbon::now()->subDays($bot->clear_day))
+                ->orderBy('id')
+                ->chunk(1000, function ($msgs) {
+                    $ids = $msgs->pluck('id')->toArray();
+                    if ($ids) {
+                        WebSocketDialogMsg::deleteMsgs($ids);
+                    }
+                });
+            $bot->clear_at = Carbon::now()->addDays($bot->clear_day);
+            $bot->save();
+        }
+    }
+
+    public function end()
+    {
+
+    }
+}