<?php

namespace App\Models\FileManager;

use Illuminate\Database\Eloquent\Model;

class Directory extends Model
{
    /**
     * @var bool $timstamps have created_at and updated_at fields
     */
    public $timestamps = true;
    protected $fillable = [
        'name',
        'description',
        'parent_id',
        'user_id',
        'hidden'
    ];

    public function files()
    {
        return $this->hasMany(File::class);
    }

    /**
     * Relationship with parent/sub directories
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function allSubdirectories()
    {
        $subdirectories = $this->hasMany(Directory::class, 'parent_id', 'id');

        // todo fix this ugly hack! statement above produces WHERE parent_id IS NOT NULL and parent_id IS NULL when selecting subdirectories from root/none directory
        if (is_null($this->id)) {
            $subdirectories = $subdirectories->orWhereNull('parent_id');
        }

        return $subdirectories;
    }

    public function subdirectories()
    {
        $subdirectories = $this->allSubdirectories()
                               ->where('hidden', false);

        return $subdirectories;
    }
}