<?php

namespace app\console\model;

use support\Model;

/**
 * VehicleNewSkuAttributesModel
 */
class VehicleNewSkuAttributesModel extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'hs_vehicle_new_sku_attributes';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;
    
    /**
     * 模型的数据字段的保存格式。
     *
     * @var string
     */
    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = ['id', 'sku_id', 'attribute_id', 'value_id', 'img', 'created_at'];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];

    public function attribute()
    {
        return $this->belongsTo(VehicleNewAttributesModel::class, 'attribute_id', 'id');
    }

    public function value()
    {
        return $this->belongsTo(VehicleNewAttributeValuesModel::class, 'value_id', 'id');
    }

    public function skuAttributes()
    {
        return $this->belongsTo(VehicleNewSkusModel::class, 'sku_id', 'id');
    }

}