clqms-be/app/Controllers/Counter.php

<?php
namespace App\Controllers;

use CodeIgniter\API\ResponseTrait;
use CodeIgniter\Controller;
use CodeIgniter\Database\RawSql;

class Counter extends Controller {
    use ResponseTrait;

    protected $db;
    protected $model; 
    public function __construct() {
        $this->db = \Config\Database::connect();
    }

    public function index() {
        $rows = $this->db->table('counter')->select("*")->get()->getResultArray();
        
        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) {
        $rows = $this->db->table('counter')->select("*")->where('CounterID', (int) $CounterID)->get()->getResultArray();
        
        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 create() {
        $input = $this->request->getJSON(true);
        $dataCounter = $this->prepareCounterData($input);
        
        try {
            $this->db->transStart();
            $this->db->table('counter')->insert($dataCounter);
            $this->db->transComplete();

            if ($this->db->transStatus() === false) {
                $dbError = $this->db->error();
                return $this->failServerError(
                    'Failed to create data (transaction rolled back): ' . ($dbError['message'] ?? 'Unknown database error')
                );
            }

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'Data created successfully',
                'data'    => $dataCounter,
            ], 201);

        } catch (\Throwable $e) {
            // Ensure rollback if something goes wrong
            if ($this->db->transStatus() !== false) {
                $this->db->transRollback();
            }
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function update() {
        try {
            $input = $this->request->getJSON(true);
            $dataCounter = $this->prepareCounterData($input);

            $this->db->transStart();
            $this->db->table('counter')->where('CounterID', $dataCounter["CounterID"])->update($dataCounter);
            $this->db->transComplete();

            if ($this->db->transStatus() === false) {
                $dbError = $this->db->error();
                return $this->failServerError(
                    'Failed to update data (transaction rolled back): ' . ($dbError['message'] ?? 'Unknown database error')
                );
            }

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'Data updated successfully',
                'data'    => $dataCounter,
            ], 201);

        } catch (\Throwable $e) {
            // Ensure rollback if something goes wrong
            if ($this->db->transStatus() !== false) {
                $this->db->transRollback();
            }
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    public function delete() {
        try {
            $input = $this->request->getJSON(true);
            $CounterID = $input["CounterID"];
            if (!$CounterID) {
                return $this->failValidationErrors('CounterID is required.');
            }

            
            $location = $this->db->table('counter')->where('CounterID', $CounterID)->get()->getRow();
            if (!$location) {
                return $this->failNotFound("Data not found.");
            }

            $this->db->table('counter')->where('CounterID', $CounterID)->update(['EndDate' => NOW()]);

            return $this->respondDeleted([
                'status' => 'success',
                'message' => "Counter deleted successfully."
            ]);
 
        } catch (\Throwable $e) {
            // Ensure rollback if something goes wrong
            if ($this->db->transStatus() !== false) {
                $this->db->transRollback();
            }
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    private function prepareCounterData(array $input): array {
        $data = [
            "CounterValue" => $input['CounterValue'] ?? null,
            "CounterStart" => $input['CounterStart'] ?? null,
            "CounterEnd" => $input['CounterEnd'] ?? null,
            "CounterDesc" => $input['CounterDesc'] ?? null,
            "CounterReset" => $input['CounterReset'] ?? null,
        ];

        if(!empty($input["CounterID"])) { $data["CounterID"] = $input["CounterID"]; }

        return $data;
    }
}