Enum Based Laravel Media Collection Registration

User.php

<?php

namespace App\Models;

// ...
use App\Enums\UserMediaCollection;

class User extends Authenticatable
{
    // ...

    public function registerMediaCollections(): void
    {
        UserMediaCollection::Avatar->register($this);
        UserMediaCollection::Music->register($this);
    }
}

UserMediaCollection.php

<?php

namespace App\Enums;

use App\Models\User;

enum UserMediaCollection: string
{
    case Avatar = 'avatar';
    case Music = 'music';

    public function register(User $user): void
    {
        $user->addMediaCollection($this->value)
            ->acceptsFile(function (File $file) {
                return $file->size <= $this->size()
                    && in_array($file->mimeType, $this->mimes());
            });
    }

    public function size(): int
    {
        return match ($this) {
            case self::Avatar => 2 * pow(1024, 2) // 2 MB
            case self::Music => 10 * pow(1024, 2), // 10 MB
        };
    }

    public function mimes(): array
    {
        return match ($this) {
            case self::Avatar => [
                'image/jpeg',
                'image/png',
                'image/gif',
            ],
            case self::Music => [
                'audio/wav',
                'audio/mpeg',
                'audio/flac',
                'audio/x-wav',
                'audio/x-m4a',
            ],
        };
    }
}