<?php

namespace App\Console\Commands;

use App\Common\OrderStatus;
use App\Models\Order;
use App\Models\Product;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class OrderTimeout extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'order:timeout';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '订单超时未支付，取消订单并返回库存';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

	/**
	 * Execute the console command.
	 *
	 * @return int
	 */
    public function handle()
	{
		//记录最小ID，下次查询时按ID正序查询，只处理大于该ID的订单，避免重复扫描数据库
		$min_id = Order::query()->where('status', OrderStatus::UNPAID)->min('id');
    	while (true) {
			Order::query()
				->where([
					['status', '=', OrderStatus::UNPAID],
					['id', '>=', $min_id],
				])
				->whereNotNull('timeout')
				->orderBy('id')
				->chunk(100, function ($order) use (&$min_id) {
					foreach ($order as $v) {
						if (!is_null($v->timeout) && strtotime($v->timeout) < time()) {
							DB::beginTransaction();
							try {
								//取消订单
								$v->status = OrderStatus::CANCEL;
								$v->save();

								//加回库存
								Product::whereIn('id', explode(',', $v->product_ids))->increment('stock', $v->num);

								DB::commit();
							} catch (\Exception $exception) {
								DB::rollBack();
							}
						}
						$min_id = $v->id;
					}
				});
			$this->line('[' . date('Y-m-d H:i:s') . "] ID游标:$min_id ，等待下一个任务");
			sleep(3);
		}
		return 0;
    }
}