clrghouz/app/Models/Node.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Node extends Model
{
	protected $fillable = ['zone_id','host_id','node_id','point_id'];

	public function flags() {
		return $this->belongsToMany(Flag::class);
	}

	public function getFTNAttribute()
	{
		return sprintf('%s:%s/%s.%s',$this->zone_id,$this->host_id,$this->node_id,$this->point_id);
	}

	public function hasFlag($relation, $model)
	{
		return (bool) $this->{$relation}()
			->wherePivot($model->getForeignKey(),$model->{$model->getKeyName()})
			->count();
	}
}