sam-api/app/Models/Boards/BoardComment.php

<?php

namespace App\Models\Boards;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use App\Models\Members\User;

/**
 * @mixin IdeHelperBoardComment
 */
class BoardComment extends Model
{
    use SoftDeletes;

    protected $table = 'board_comments';
    protected $fillable = [
        'post_id', 'tenant_id', 'user_id', 'parent_id', 'content', 'ip_address', 'status'
    ];

    public function post() {
        return $this->belongsTo(Post::class, 'post_id');
    }
    public function user() {
        return $this->belongsTo(User::class, 'user_id');
    }
    public function parent() {
        return $this->belongsTo(BoardComment::class, 'parent_id');
    }
    public function children() {
        return $this->hasMany(BoardComment::class, 'parent_id')->where('status', 'active');
    }
}