UUID Model

UuidModel.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Ramsey\Uuid\Uuid;

// Abstract class using inheritance rather than composition to avoid trait override errors
abstract class UuidModel extends Model
{
    public $incrementing = false;
    protected $keyType = 'string';

    protected static function boot()
    {
        parent::boot();
        static::creating(function (Model $model) {
            $model->{$model->getKeyName()} = Uuid::uuid4()->toString();
        });
    }

    public function resolveRouteBinding($value)
    {
        // Postgres will throw if you use a non-UUID in a WHERE for a UUID column. This
        // short-circuits that process and returns empty before we hit the database
        // because we know we won't get anything anyway.
        return Uuid::isValid($value) ? parent::resolveRouteBinding($value) : null;
    }
}