nyaabooru/app/Livewire/Posts/Edit.php

<?php

namespace App\Livewire\Posts;

use App\Models\Post;
use App\Models\Tag;
use Illuminate\Database\Eloquent\Collection;
use Livewire\Attributes\Validate;
use Livewire\Component;

class Edit extends Component
{
	public Post $post;
	public Collection $tags;
	public Collection $selectableTags;

	#[Validate('exists:tags,id')]
	public string $tag = '';

	#[Validate('required|in:safe,suggestive,explicit')]
	public string $rating = 'unknown';

	public $featured = false;

	public string $deleteTagId = '';

	public function mount(Post $post)
	{
		$this->post = $post;
		$this->tags = $post->tags;
		$this->rating = $post->rating;
		$this->featured = $post->featured;
		$this->selectableTags = Tag::whereDoesntHave('posts', function ($query) {
			$query->where('id', $this->post->id);
		})->get();
	}

    public function render()
    {
        return view('livewire.posts.edit')->title("Edit post {$this->post->id}");
    }

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

		if ($this->tag)
		{
			if ($tag = Tag::find($this->tag))
			{
				$this->post->tags()->attach($tag);
				if ($tag->implies)
				{
					foreach ($tag->implies as $implied_id)
					{
						if ($impliedTag = Tag::find($implied_id))
						{
							$this->post->tags()->attach($impliedTag);
						}
					}
				}
			}
		}

		$this->post->rating = $this->rating;
		if ($this->post->rating == 'safe')
		{
			$this->post->featured = $this->featured;
		}
		else
		{
			$this->post->featured = null;
		}
		$this->post->save();

		$this->tags = $this->post->tags;
		$this->selectableTags = Tag::whereDoesntHave('posts', function ($query) {
			$query->where('id', $this->post->id);
		})->get();
	}
}