Laravel Custom Cast to convert datetime fields to user's timezone

DateTimeWithTz.php

<?php

/* 
* This custom cast will help convert a datetime field in database to local timezone of the user 
* This also convert any input datetime string from user's timezone to the app's default timezone
*/

namespace App\Casts;

use Carbon\Carbon;
use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Database\Eloquent\Model;

class DateTimeWithTz implements CastsAttributes
{
    /**
     * Cast the given value.
     *
     * @param  array<string, mixed>  $attributes
     */
    public function get(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        return Carbon::parse($value, config('app.timezone'))->setTimezone(auth()->user()->timezone);
    }

    /**
     * Prepare the given value for storage.
     *
     * @param  array<string, mixed>  $attributes
     */
    public function set(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        return Carbon::parse($value, auth()->user()->timezone)->setTimezone(config('app.timezone'));
    }
}


/* Example use

public function casts() 
{
  return [
    'end_date' => DateTimeWithTz::class,
  ];
}

*/