tinyqc/app/Models/ResultCommentModel.php

<?php

namespace App\Models;

use App\Models\BaseModel;

class ResultCommentModel extends BaseModel
{
    protected $table            = 'result_comments';
    protected $primaryKey       = 'result_comment_id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';
    protected $useSoftDeletes   = true;
    protected $useTimestamps    = true;
    protected $allowedFields    = ['control_ref_id', 'test_ref_id', 'commonth', 'comtext'];

    public function getByControlTestMonth($controlId, $testId, $yearMonth)
    {
        return $this->where('control_ref_id', $controlId)
                    ->where('test_ref_id', $testId)
                    ->where('commonth', $yearMonth)
                    ->first();
    }

    public function saveComment($data)
    {
        $existing = $this->where('control_ref_id', $data['control_ref_id'])
                         ->where('test_ref_id', $data['test_ref_id'])
                         ->where('commonth', $data['commonth'])
                         ->first();

        if ($existing) {
            return $this->update($existing['result_comment_id'], $data);
        } else {
            return $this->insert($data);
        }
    }
}