clqms-be/app/Controllers/CounterController.php

<?php
namespace App\Controllers;

use App\Traits\ResponseTrait;
use App\Controllers\BaseController;
use App\Models\CounterModel;

class CounterController extends BaseController {
    use ResponseTrait;

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

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

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

    public function show($CounterID = null) {
        $row = $this->model->find($CounterID);
        
        if (empty($row)) { 
            return $this->respond([ 'status'  => 'success', 'message' => "No Data.", 'data' => null ], 200);
        }

        return $this->respond([ 'status' => 'success', 'message'=> "Data fetched successfully", 'data' => $row ], 200);
    }

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

    public function update($CounterID = null) {
        $input = $this->request->getJSON(true);
        if (!$CounterID || !ctype_digit((string) $CounterID)) {
            return $this->respond(['status' => 'error', 'message' => 'CounterID is required and must be a valid integer'], 400);
        }
        $input['CounterID'] = (int) $CounterID;
        try {
            $this->model->update($input['CounterID'], $input);
            return $this->respondCreated([ 'status'  => 'success', 'message' => 'Data updated successfully', 'data' => $input['CounterID'] ], 201);
        } catch (\Throwable $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function delete() {
        $input = $this->request->getJSON(true);
        try {
            $this->model->delete($input['CounterID'], $input);
            return $this->respondCreated([ 'status'  => 'success', 'message' => 'Data deleted successfully', 'data' => $input['CounterID'] ], 201);
        } catch (\Throwable $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }
}