View file ProForum/Files/application/app/Models/CommentVote.php

<?php

namespace App\Models;

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

class CommentVote extends Model
{
    use HasFactory;
    protected $guarded= ['id'];
    
    public function scopeRead()
    {
        return $this->where("read","=",0);
    }

    public function comment(): BelongsTo
    {
        return $this->belongsTo(Comment::class);
    }

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function comment_votes()
    {
        return $this->hasMany(CommentVote::class);
    }
}