'datetime', ]; protected $fillable = [ 'order_id', 'remark', ]; public const ORDER_STATUS_WAIT = 0; public const ORDER_STATUS_START = 1; public const ORDER_STATUS_FINISHED = 2; public function logs() { return $this->hasMany(BargainOrderLog::class, 'order_id'); } public function sku() { return $this->hasOne(ProductSku::class, 'id', 'sku_id'); } public function isFinished() { return $this->status == static::ORDER_STATUS_FINISHED; } }