screen/application/common/model/Category.php

<?php

namespace app\common\model;

use app\common\service\InstallService;
use think\Model;
use traits\model\SoftDelete;

/**
 * 分类模型
 */
class Category extends Model
{
    use SoftDelete;
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    // 追加属性
    protected $append = [
    ];
    const C_ZJ=7;
    const C_PEIJIAN=8;
    public static $cantDel=[
        self::C_ZJ=>'支架',
        self::C_PEIJIAN=>'配件',
    ];
    protected $type=[
        'img_left'=>'array',
    ];

    protected static function init()
    {
        self::afterInsert(function ($row) {
            $row->save(['weigh' => $row['id']]);
        });
        self::beforeDelete(function (self $category){
            if(in_array($category['id'],array_keys(self::$cantDel))){
                throw_user('不允许删除系统分类');
            }
        });
        self::beforeUpdate(function (self $category){
            if(in_array($category['id'],array_keys(self::$cantDel))){
                $category['name']=self::$cantDel[$category['id']];
                $category['status']='normal';
            }
        });
    }

    public function setFlagAttr($value, $data)
    {
        return is_array($value) ? implode(',', $value) : $value;
    }

    public function goods(){
        return $this->hasMany(Goods::class)->where('status',1);
    }

    /**
     * 读取分类类型
     * @return array
     */
    public static function getTypeList()
    {
        $typeList = config('site.categorytype');
        foreach ($typeList as $k => &$v) {
            $v = __($v);
        }
        return $typeList;
    }

    public function getTypeTextAttr($value, $data)
    {
        $value = $value ? $value : $data['type'];
        $list = $this->getTypeList();
        return isset($list[$value]) ? $list[$value] : '';
    }

    public function getFlagList()
    {
        return ['hot' => __('Hot'), 'index' => __('Index'), 'recommend' => __('Recommend')];
    }

    public function getFlagTextAttr($value, $data)
    {
        $value = $value ? $value : $data['flag'];
        $valueArr = explode(',', $value);
        $list = $this->getFlagList();
        return implode(',', array_intersect_key($list, array_flip($valueArr)));
    }

    /**
     * 读取分类列表
     * @param string $type   指定类型
     * @param string $status 指定状态
     * @return array
     */
    public static function getCategoryArray($type = null, $status = null,$with=[])
    {
        $list = self::with($with)->where(function ($query) use ($type, $status) {
            if (!is_null($type)) {
                $query->where('type', '=', $type);
            }
            if (!is_null($status)) {
                $query->where('status', '=', $status);
            }
        })->order('weigh', 'desc')->select()->toArray();
        return $list;
    }

    public static function mall($with=[]){
        return self::getCategoryArray('mall','normal',$with);
    }
}