Orbit relationships

Category.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Schema\Blueprint;
use Orbit\Concerns\Orbital;

class Category extends Model
{
    use Orbital;

    protected $guarded = [];

    public static function schema(Blueprint $table)
    {
        $table->string('slug');
        $table->string('title');
    }

    public function getUrlAttribute()
    {
        return url("category/{$this->slug}");
    }

    public function getKeyName()
    {
        return 'slug';
    }

    public function getIncrementing()
    {
        return false;
    }

    public function pages()
    {
        return $this->hasMany(Page::class, 'category_slug', 'slug');
    }
}

Page.php

<?php

namespace App\Models;

use ArchTech\Pages\Page as BasePage;
use Illuminate\Database\Schema\Blueprint;

class Page extends BasePage
{
    public static function schema(Blueprint $table)
    {
        $table->string('slug');
        $table->string('title');
        $table->longText('content');
        $table->text('excerpt')->nullable();
        $table->string('type');
        $table->string('category_slug')->nullable();
    }

    public function getUrlAttribute()
    {
        return url($this->slug);
    }

    public function category()
    {
        return $this->belongsTo(Category::class, 'category_slug');
    }
}