<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class TopicGoods extends Model
{
    use HasFactory;

    protected $table = 'topic_goods';
    public $timestamps = false;
    protected static $unguarded = true;

    /**
     * 专题商品列表
     * */
    public static function topicGoodsList($topicId, $page, $pageSize)
    {
        $goodsModel = self::where('enable', 1)->where('topic_id', $topicId);

        $count = $goodsModel->count();
        $itemIds = $goodsModel->select('item_id')
            ->orderBy('sort_num', 'desc')
            ->offset(($page-1) * $pageSize)
            ->limit($pageSize)
            ->pluck('item_id')
            ->toArray();

        return [$itemIds, $count];
    }
}