devhub-az/devhub

use App\Models\User;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

trait HasAuthor
{
    public function author(): BelongsTo
    {
        return $this->creator();
    }

    public function authoredBy(User $author)
    {
        $this->creator()->associate($author);
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'author_id');
    }

    public function isAuthoredBy(User $user): bool
    {
        return $this->author()->matches($user);
    }
}

use App\Helpers\HasAuthor;
use Illuminate\Database\Eloquent\Model;

final class Comment extends Model
{
    use HasAuthor;
    //
}

use App\Models\Comment;
use App\Models\User;

final class CreateComment
{
    //
    public function handle(): Comment
    {
        $comment = new Comment(
            [
                'commentable_type' => 'articles',
                'commentable_id'   => $this->article_id,
                'body'             => $this->comment,
            ]
        );
        $comment->authoredBy($this->author);
        $comment->save();

        return $comment;
    }
}