eatvio-infra/app/Models/DietComment.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class DietComment extends Model
{
    use HasFactory;

    public function author()
    {
        return $this->belongsTo(User::class, 'user_id');
    }

    public function diet()
    {
        return $this->belongsTo(Diet::class, 'diet_id');
    }

    public function upvotes(): HasMany
    {
        return $this->hasMany(DietCommentUpvote::class, 'comment_id');
    }

    public function isUpVoted(): bool
    {
        if (auth()->user()) {
            return auth()
                ->user()
                ->diet_comment_upvotes()
                ->forDietCommentsUpVote($this)
                ->count();
        }

        return false;
    }

    public function isDownVoted(): bool
    {
        if (auth()->user()) {
            return auth()
                ->user()
                ->diet_comment_upvotes()
                ->forDietCommentsDownVote($this)
                ->count();
        }

        return false;
    }

    public function removeUpVote(): bool
    {
        if (auth()->user()) {
            return auth()
                ->user()
                ->diet_comment_upvotes()
                ->forDietCommentsUpVote($this)
                ->delete();
        }

        return false;
    }

    public function removeDownVote(): bool
    {
        if (auth()->user()) {
            return auth()
                ->user()
                ->diet_comment_upvotes()
                ->forDietCommentsDownVote($this)
                ->delete();
        }

        return false;
    }
}