Filament Peek URL Preview Helper

EditPost.php

<?php

namespace App\Filament\Resources\PostResource\Pages;

use App\Concerns\HasPreview;
use App\Filament\Resources\PostResource;
use Filament\Resources\Pages\EditRecord;
use Pboivin\FilamentPeek\Pages\Actions\PreviewAction;
use Pboivin\FilamentPeek\Pages\Concerns\HasPreviewModal;

class EditPost extends EditRecord
{
    use HasPreview, HasPreviewModal;

    /**
     * The resource model.
     */
    protected static string $resource = PostResource::class;

    /**
     * The preview modal URL.
     */
    protected function getPreviewModalUrl(): ?string
    {
        $this->createPreviewSession();

        return route('post.show', [
            'post' => $this->record->slug,
            'previewToken' => $this->previewToken,
        ]);
    }

    /**
     * The header actions.
     */
    protected function getHeaderActions(): array
    {
        return [
            PreviewAction::make(),
        ];
    }
}

HasPreview.php

<?php

namespace App\Concerns;

use Illuminate\Support\Str;

trait HasPreview
{
    /**
     * The preview token.
     */
    protected ?string $previewToken = null;

    /**
     * The preview status.
     */
    public bool $isPreview = false;

    /**
     * Handle the preview.
     */
    protected function handlePreview(string $resource = null, string $token = 'previewToken'): void
    {
        if (! request()->has($token)) {
            return;
        }
        
        $attributes = session()->get('preview-'.request()->get($token));

        if (empty($attributes)) {
            return;
        }

        if (empty($resource) && ! empty($this->__name)) {
            $resource = Str::before($this->__name, '.');
        }

        $resource = Str::afterLast($resource, '\\');
        $resource = Str::slug($resource, '_');

        $this->isPreview = true;

        $this->{$resource}->fill($attributes);
    }

    /**
     * Generate a preview token and create a session.
     */
    protected function createPreviewSession(string $record = 'record'): void
    {
        if (empty($resource = $this->previewModalData[$record])) {
            return;
        }

        $this->previewToken = uniqid();

        session()->put("preview-{$this->previewToken}", $resource->toArray());
    }
}

show.blade.php

<div>
  @if ($isPreview)
    <style>
      a { pointer-events: none !important; }
    </style>
  @endif
  
  <div>
    <h1>{{ $post->title }}</h1>
    <p>{{ $post->content }}</p>
  </div>
</div>

Show.php

<?php

namespace App\Livewire\Post;

use App\Concerns\HasPreview;
use App\Models\Post;
use Livewire\Component;

class Show extends Component
{
    use HasPreview;

    /**
     * The post instance.
     */
    public Post $post;

    /**
     * Render the component.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function render()
    {
        $this->handlePreview();

        return view('livewire.post.show');
    }
}