tinyqc/app/Models/ResultModel.php

<?php

namespace App\Models;

use CodeIgniter\Model;

class ResultModel extends Model
{
    protected $table            = 'results';
    protected $primaryKey       = 'result_id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';
    protected $useSoftDeletes   = false;
    protected $allowedFields    = ['result_id', 'control_ref_id', 'test_ref_id', 'resdate', 'resvalue', 'rescomment'];
    protected $useTimestamps    = false;

    public function getByMonth($controlId, $testId, $yearMonth)
    {
        $startDate = $yearMonth . '-01';
        $endDate = $yearMonth . '-31';

        $builder = $this->db->table('results');
        $builder->select('*');
        $builder->where('control_ref_id', $controlId);
        $builder->where('test_ref_id', $testId);
        $builder->where('resdate >=', $startDate);
        $builder->where('resdate <=', $endDate);
        $builder->orderBy('resdate', 'ASC');
        return $builder->get()->getResultArray();
    }

    public function getByControlMonth($controlId, $yearMonth)
    {
        $startDate = $yearMonth . '-01';
        $endDate = $yearMonth . '-31';

        $builder = $this->db->table('results');
        $builder->select('*');
        $builder->where('control_ref_id', $controlId);
        $builder->where('resdate >=', $startDate);
        $builder->where('resdate <=', $endDate);
        return $builder->get()->getResultArray();
    }

    public function saveResult($data)
    {
        $builder = $this->db->table('results');
        $existing = $builder->select('*')
                            ->where('control_ref_id', $data['control_ref_id'])
                            ->where('test_ref_id', $data['test_ref_id'])
                            ->where('resdate', $data['resdate'])
                            ->get()
                            ->getRowArray();

        if ($existing) {
            return $builder->where('result_id', $existing['result_id'])->update($data);
        } else {
            return $builder->insert($data);
        }
    }
}