<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Directory extends Model
{
    /**
    * The table associated with the model.
    *
    * @var string
    */
    protected $table = 'directories';
    protected $fillable = [
        'parent_id', 'name', 'year', 'user_id', 'title', 'description', 'by_admin'
    ];

    public static function getPath($did)
    {
        if(!isset($did) || $did==null)
            return '';

        $directory = Directory::find($did);
        if($directory)
        {
            if($directory->parent_id == 0)
                return $directory->name;
            else
                return Directory::getPath($directory->parent_id) . ' / ' . $directory->name;
        }
        return '';
    }

    public static function getPathArray($did)
    {
        if(!isset($did) || $did==null)
            return [];

        $directory = Directory::find($did);
        if($directory)
        {
            if($directory->parent_id == 0)
                return [$directory->id => $directory->name];
            else
                return Directory::getPathArray($directory->parent_id) + [$directory->id => $directory->name];
        }
        return [];
    }

    public static function getPathToRoot($did, $show_itself=false)
    {
        if(!isset($did) || $did==null)
            return [];

        $directory = Directory::find($did);
        if($directory)
        {
            $directory =($show_itself) ? $directory : Directory::find($directory->parent_id);
            if($directory)
            {
                if($directory->parent_id == 0)
                    return [$directory->id];
                else
                    return array_merge([$directory->id], Directory::getPathToRoot($directory->parent_id));
            }
        }
        return [];
    }
}