leezard/app/Models/DashboardNote.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

class DashboardNote extends Model
{
    use HasFactory;

    protected $fillable = [
        'unique_id',
        'text',
        'completed',
        'user_id'
    ];

    protected $casts = [
        'completed' => 'boolean',
        'created_at' => 'datetime',
        'updated_at' => 'datetime'
    ];

    protected static function boot()
    {
        parent::boot();

        static::creating(function ($note) {
            if (empty($note->unique_id)) {
                $note->unique_id = Str::uuid();
            }
        });
    }

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function scopeActive($query)
    {
        return $query->where('completed', false);
    }

    public function scopeForUser($query, $userId = null)
    {
        if ($userId) {
            return $query->where('user_id', $userId);
        }

        return $query->whereNull('user_id');
    }
}