<?php
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namespace app\adminapi\lists\goods;
use app\adminapi\lists\BaseAdminDataLists;
use app\common\{model\Goods, model\GoodsCategory, model\GoodsCategoryIndex, lists\ListsSearchInterface};

/**
 * 商品分类公共列表
 * Class GoodsCommonLists
 * @package app\adminapi\lists\goods
 */
class GoodsCategoryCommonLists  extends BaseAdminDataLists implements ListsSearchInterface
{
    function setSearch(): array
    {
        return [
            '%like%'    => ['name'],
            '='         => ['level'],
        ];
    }


    public function lists(): array
    {

        $lists = GoodsCategory::where($this->searchWhere)
            ->limit($this->limitOffset, $this->limitLength)
            ->order('id', 'asc')
            ->column('id,name,image,level,0 as num','id');

        $categoryIds = array_keys($lists);

        if($categoryIds){

            $categoryCountLists = Goods::alias('G')
                ->join('goods_category_index GCI','G.id = GCI.goods_id')
                ->where(['GCI.category_id'=>$categoryIds])
                ->group('GCI.category_id')
                ->column('count(goods_id) as num,GCI.category_id');

            foreach ($categoryCountLists as $countList){
                if(isset($lists[$countList['category_id']])){
                    $lists[$countList['category_id']]['num'] = $countList['num'];
                }
            }

        }
        return array_values($lists);
    }

    public function count(): int
    {
        $count = GoodsCategory::where($this->searchWhere)
            ->count();
        return $count;
    }

}