eatvio-infra/app/Livewire/BlogPost/Create.php

<?php

namespace App\Livewire\BlogPost;

use Livewire\Component;
use Illuminate\Support\Facades\Auth;
use Livewire\WithFileUploads;
use App\Models\Tag;
use App\Models\BlogPost;

class Create extends Component
{
    use WithFileUploads;

    public $image = null;
    public $state = "archived";
    public $title = "";
    public $description = "";
    public $tags = [];
    public $videoUrl = "";

    protected $listeners = ['parentComponentTagAdded', 'parentComponentTagRemoved'];

    protected function rules()
    {
        $rules = [
            'image' => 'required|image|max:2048',
            'state' => 'required|in:active,archived',
            'description' => 'required|min:3',
            'videoUrl' => 'nullable|url|max:2048'
        ];

        return $rules;
    }

    public function render()
    {
        return view('livewire.blog-post.create');
    }

    public function parentComponentTagAdded(Tag $tag)
    {
        $tagIndex = $tag->id;
        $this->tags[$tagIndex] = $tag;
    }

    public function parentComponentTagRemoved($tag)
    {
        $this->tags = collect($this->tags)
             ->filter(fn($curTag) => $curTag['name'] != $tag)
             ->all();
    }

    public function draft()
    {
        $this->state = 'archived';
        $this->publish();
    }

    public function preview()
    {
        $this->state = 'archived';
        $this->publish();
    }

    public function publish()
    {
        $this->validate();

        $post = new BlogPost();
        $post->image = $this->image->store('blog_posts', 'public');
        $post->state = $this->state;
        $post->title = $this->title;
        $post->description = $this->description;
        $post->youtube_url = $this->videoUrl;
        $post->save();

        $tagsIds = collect($this->tags)->map(fn($curTag) => $curTag['id']);
        $post->tags()->attach($tagsIds);

        $user = Auth::user();
        $user->author_of_blog_post()->attach($post->id);

        return redirect()->route('blog_post.show', $post->id);
    }
}