tinyqc/app/Models/DictTestModel.php

<?php

namespace App\Models;

use App\Models\BaseModel;

class DictTestModel extends BaseModel
{
    protected $table            = 'dict_tests';
    protected $primaryKey       = 'test_id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';
    protected $useSoftDeletes   = true;
    protected $useTimestamps    = true;
    protected $allowedFields    = ['dept_ref_id', 'name', 'unit', 'method', 'cva', 'ba', 'tea'];

    public function getByDept($deptId)
    {
        return $this->where('dept_ref_id', $deptId)->findAll();
    }

    public function getWithDept()
    {
        $builder = $this->db->table('dict_tests t');
        $builder->select('t.*, d.name as dept_name');
        $builder->join('dict_depts d', 'd.dept_id = t.dept_ref_id', 'left');
        return $builder->get()->getResultArray();
    }
}