laravel view model

1composer require spatie/laravel-view-models

1class PostViewModel extends ViewModel
2{
3    protected $ignore = ['ignoredMethod'];
4
5    // …
6    
7    public function ignoredMethod() { /* … */ }
8}

1{{ $formatDate($post->created_at) }}

1class PostViewModel extends ViewModel
2{
3    public $indexUrl = null;
4
5    public function __construct(User $user, Post $post = null)
6    {
7        $this->user = $user;
8        $this->post = $post;
9        
10        $this->indexUrl = action([PostsController::class, 'index']); 
11    }
12    
13    public function post(): Post
14    {
15        return $this->post ?? new Post();
16    }
17    
18    public function categories(): Collection
19    {
20        return Category::canBeUsedBy($this->user)->get();
21    }
22}

1php artisan make:view-model HomepageViewModel

1class PostsController
2{
3    public function update(Request $request, Post $post)
4    {
5        // …
6        
7        return new PostViewModel($post);
8    }
9}

1<input type="text" value="{{ $post->title }}" />
2<input type="text" value="{{ $post->body }}" />
3
4<select>
5    @foreach ($categories as $category)
6        <option value="{{ $category->id }}">{{ $category->name }}</option>
7    @endforeach
8</select>
9
10<a href="{{ $indexUrl }}">Back</a>

1class PostViewModel extends ViewModel
2{
3    public function formatDate(Carbon $date): string
4    {
5        return $date->format('Y-m-d');
6    }
7}

1class PostsController
2{
3    public function create()
4    {
5        $viewModel = new PostViewModel(
6            current_user()
7        );
8        
9        return view('blog.form', $viewModel);
10    }
11    
12    public function edit(Post $post)
13    {
14        $viewModel = new PostViewModel(
15            current_user(), 
16            $post
17        );
18    
19        return view('blog.form', $viewModel);
20    }
21}

1php artisan make:view-model "Blog/PostsViewModel"