crm-summit/app/Controllers/Api/ZonesApi.php

<?php
namespace App\Controllers\Api;

use CodeIgniter\API\ResponseTrait;
use App\Controllers\BaseController;
use App\Models\ZonesModel;

class ZonesApi extends BaseController {
    use ResponseTrait;
    
    protected $model;

    public function __construct() {
        $this->model = new ZonesModel();
    }

    public function getProvinces() {
        // $filters = [
        //     'zoneid' => $this->request->getVar('zoneid') ?? null,
        //     'zonename' => $this->request->getVar('zonename') ?? null
        // ];

        $rows = $this->model->getAllProvinces();
        
        if (empty($rows)) { return $this->respond([ 'status'  => 'success', 'message' => "data not found", 'data' => [] ], 200); }
        return $this->respond([ 'status' => 'success', 'message'=> "Data fetched successfully", 'data' => $rows ], 200); 
    }

    public function getCities() {

        $filter = [
            'zoneid' => $this->request->getVar('zoneid') ?? null
        ];

        $rows = $this->model->getAllCities($filter);
        
        if (empty($rows)) { return $this->respond([ 'status'  => 'success', 'message' => "data not found", 'data' => [] ], 200); }
        return $this->respond([ 'status' => 'success', 'message'=> "Data fetched successfully", 'data' => $rows ], 200); 
    }
}