<?php
namespace wstmart\common\model;
use think\Db;
/**
 * ============================================================================
 * 品牌业务处理类
 */
class Brands extends Base{
	/**
	 * 获取品牌列表
	 */
	public function pageQuery($pagesize){
		
		$id = (int)input('id');
		$where['b.dataFlag']=1;
		if($id>1){
			$where['gcb.catId']=$id;
		}
		$rs = $this->alias('b')
				   ->join('__CAT_BRANDS__ gcb','gcb.brandId=b.brandId','left')
				   ->where($where)
				   ->field('b.brandId,brandName,brandImg,gcb.catId')
				   ->group('b.brandId,gcb.catId')
				   ->order('b.sortNo asc')
				   ->paginate($pagesize)->toArray();
		return $rs;
	}
	/**
	 * 获取品牌列表
	 */
	public function listQuery($catId){
		$rs = Db::name('cat_brands')->alias('l')
									->join('__BRANDS__ b','b.brandId=l.brandId and b.dataFlag=1 and l.catId='.$catId)
		          					->field('b.brandId,b.brandName,b.brandImg')
		          					->group('b.brandId')
		          					->order('b.sortNo asc')
		          					->select();
		return $rs;
	}

	/**
	* 商品筛选品牌查询
	*/
	public function goodsListQuery($catId){
		$rs = Db::name('cat_brands')->alias('l')
									->join('__BRANDS__ b','b.brandId=l.brandId and b.dataFlag=1 and l.catId='.$catId)
									->join('__GOODS__ g','g.brandId=b.brandId','inner')
		          					->field('b.brandId,b.brandName,b.brandImg')
		          					->group('b.brandId')
		          					->order('b.sortNo asc')
		          					->select();
		return $rs;
	}


	/**
	 * 根据商品id获取可供选择的品牌
	 */
	public function canChoseBrands($goodsId){
		$rs = Db::name('cat_brands')->alias('l')
									->join('__BRANDS__ b','b.brandId=l.brandId and b.dataFlag=1')
									->join('__GOODS__ g','g.brandId=b.brandId','inner')
									->where(['g.goodsId'=>['in',$goodsId]])
		          					->field('b.brandId,b.brandName,b.brandImg')
		          					->group('b.brandId')
		          					->order('b.sortNo asc')
		          					->select();
		return $rs;
	}
	/**
	* 根据品牌id获取商品id
	*/
	public function getGoodsIds($brandIds){
		$rs = Db::name('goods')->field('goodsId')->where(['brandId'=>['in',$brandIds],'dataFlag'=>1,'isSale'=>1,'goodsStatus'=>1])->select();
		if(!empty($rs)){
			$bIds = [];
			foreach($rs as $k=>$v){
				$bIds[$k] = $v['goodsId'];
			}
			return $bIds;
		}
		return [];
	}
}