<?php

namespace BookStack\References;

use BookStack\Permissions\Models\JointPermission;

use Illuminate\Database\Eloquent\Model;

use Illuminate\Database\Eloquent\Relations\HasMany;

use Illuminate\Database\Eloquent\Relations\MorphTo;

/**

* @property int $from_id

* @property string $from_type

* @property int $to_id

* @property string $to_type

*/

class Reference extends Model

{

public $timestamps = false;

public function from(): MorphTo

{

return $this->morphTo('from');

}

public function to(): MorphTo

{

return $this->morphTo('to');

}

public function jointPermissions(): HasMany

{

return $this->hasMany(JointPermission::class, 'entity_id', 'from_id')

->whereColumn('references.from_type', '=', 'joint_permissions.entity_type');

}

}