strprfcrm/app/Models/DocumentationFolder.php

<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class DocumentationFolder extends Model
{
    use HasFactory;

    protected $fillable = [
        'parent_id',
        'name',
        'inherits_permissions',
        'created_by',
    ];

    protected function casts(): array
    {
        return [
            'inherits_permissions' => 'boolean',
        ];
    }

    public function parent(): BelongsTo
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

    public function children(): HasMany
    {
        return $this->hasMany(self::class, 'parent_id')->orderBy('name');
    }

    public function documents(): HasMany
    {
        return $this->hasMany(DocumentationDocument::class, 'folder_id')->orderBy('name');
    }

    public function permissionRules(): HasMany
    {
        return $this->hasMany(DocumentationFolderPermission::class, 'folder_id');
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }
}