eatvio-infra/app/Livewire/BlogPost/Comment/Upvote.php

<?php
namespace App\Livewire\BlogPost\Comment;

use Livewire\Component;
use App\Models\BlogPostComment;

class Upvote extends Component
{
    public BlogPostComment $comment;

    public function mount(BlogPostComment $comment)
    {
        $this->comment = $comment;

    }

    public function render()
    {
        $upvotes = $this->comment->upvotes()->forBlogPostCommentsUpVote($this->comment)->count();
        $downvotes = $this->comment->upvotes()->forBlogPostCommentsDownVote($this->comment)->count();
        $sum =  $upvotes - $downvotes;
        return view(
            'livewire.blog-post.comment.upvote',
            [
                'sum' => $sum,
                'isUpVoted' => $this->comment->isUpVoted(),
                'isDownVoted' => $this->comment->isDownVoted()
            ]
        );
    }

    public function upvote()
    {
        if ($this->comment->isUpVoted()) {
            $this->comment->removeUpVote();
            return ;
        }

        if ($this->comment->isDownVoted()) {
            $this->comment->removeDownVote();
        }

        $this->comment->upvotes()->create([
            'user_id' => auth()->id(),
            'blog_post_comment_id' => $this->comment->id,
            'type' => 'upvote'
        ]);
    }

    public function downvote()
    {
        if ($this->comment->isDownVoted()) {
            $this->comment->removeDownVote();
            return ;
        }

        if ($this->comment->isUpVoted()) {
            $this->comment->removeUpVote();
        }

        $this->comment->upvotes()->create([
            'user_id' => auth()->id(),
            'blog_post_comment_id' => $this->comment->id,
            'type' => 'downvote'
        ]);
    }
}