clqms-be/app/Controllers/Contact/Occupation.php

<?php
namespace App\Controllers;

use CodeIgniter\API\ResponseTrait;
use App\Controllers\BaseController;
use App\Models\Contact\OccupationModel;

class Occupation extends BaseController {
    use ResponseTrait;

    protected $db;
    protected $model;
    protected $rules;

    public function __construct() {
        $this->db = \Config\Database::connect();
        $this->model = new OccupationModel();
        $this->rules = [ 'OccCode' => 'required','OccText' => 'required' ];
    }

    public function index() {
        $model = new OccupationModel();
        $rows = $model->findAll();
        if (empty($rows)) {
            return $this->respond([ 'status'  => 'success', 'message' => "no Data."], 200);
        }

        return $this->respond([ 'status' => 'success', 'message'=> "fetch success", 'data'   => $rows ], 200);
    }

    public function show($OccupationID = null) {
        $model = new OccupationModel();
        $rows = $model->find($OccupationID);
        if (empty($rows)) {
            return $this->respond([ 'status'  => 'success', 'message' => "no Data."], 200);
        }
        return $this->respond([ 'status' => 'success', 'message'=> "fetch success", 'data'   => $rows ], 200);
    }

    public function create() {
        $input = $this->request->getJSON(true);
        try {
            $this->model->insert($input);
            $id = $this->model->getInsertID();
            return $this->respondCreated([ 'status'  => 'success', 'message' => 'data created successfully', 'data' => $id ], 201);
        } catch (\Throwable $e) {
            $this->db->transRollback();
            return $this->failServerError('Exception : ' . $e->getMessage());
        }
    }

    public function update() {
        $input = $this->request->getJSON(true);
        try {
            $this->model->update($input['OccupationID'], $input);
            return $this->respondCreated([ 'status'  => 'success', 'message' => 'Data updated successfully', 'data' => $input['OccupationID'] ], 201);
        } catch (\Throwable $e) {
            return $this->failServerError('Exception : ' . $e->getMessage());
        }
    }

}