view model in laravel code example

Example 1: laravel view-model

class PostViewModel extends ViewModel
{
    public $indexUrl = null;

    public function __construct(User $user, Post $post = null)
    {
        $this->user = $user;
        $this->post = $post;
        
        $this->indexUrl = action([PostsController::class, 'index']); 
    }
    
    public function post(): Post
    {
        return $this->post ?? new Post();
    }
    
    public function categories(): Collection
    {
        return Category::canBeUsedBy($this->user)->get();
    }
}

Example 2: laravel view-model

php artisan make:view-model "Blog/PostsViewModel"