jongryangje/app/Models/MemberApprovalRequestModel.php

<?php

namespace App\Models;

use CodeIgniter\Model;

class MemberApprovalRequestModel extends Model
{
    use \App\Models\Traits\Auditable;

    public const STATUS_PENDING  = 'pending';
    public const STATUS_APPROVED = 'approved';
    public const STATUS_REJECTED = 'rejected';

    protected $table         = 'member_approval_request';
    protected $primaryKey    = 'mar_idx';
    protected $returnType    = 'object';
    protected $useTimestamps = false;
    protected $allowedFields = [
        'mb_idx',
        'mar_requested_level',
        'mar_status',
        'mar_request_note',
        'mar_reject_reason',
        'mar_requested_at',
        'mar_requested_by',
        'mar_processed_at',
        'mar_processed_by',
    ];

    public function getLatestByMember(int $mbIdx): ?object
    {
        return $this->where('mb_idx', $mbIdx)
            ->orderBy('mar_idx', 'DESC')
            ->first();
    }
}