clqms-be/app/Controllers/Occupation.php

<?php
namespace App\Controllers;

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

class Occupation extends Controller {
    use ResponseTrait;

    public function __construct() {
        $this->db = \Config\Database::connect();
        $this->rulesOccupation = [
            'AbbTex' => 'required',
            'FullText' => 'required'
        ];
    }

    public function index() {
        $rows = $this->db->table('occupation')->select("*")->get()->getResultArray();
        
        if (empty($rows)) {
            return $this->respond([
                'status'  => 'success',
                'message' => "no Data.",
                'data'    => [],
            ], 200);
        }

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

    public function show($OccupationID = null) {
        $rows=$this->db->table('occupation')->select("*")->where('occupationID', (int) $OccupationID)->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() {
        try {
            $input = $this->request->getJSON(true);
            $dataOccupation = $this->prepareOccupationData($input);

            if (!$this->validateData($dataOccupation, $this->rulesOccupation)) {
                return $this->failValidationErrors($this->validator->getErrors());
            }

            $this->db->transStart();
            $this->db->table('contact')->insert($dataOccupation);

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

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'data created successfully',
                'data'    => $dataOccupation,
            ], 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);
            $dataOccupation = $this->prepareOccupationData($input);

            if (!$this->validateData($dataOccupation, $this->rulesOccupation)) {
                return $this->failValidationErrors( $this->validator->getErrors());
            }

            $this->db->transStart();
            $this->db->table('occupation')->where('OccupationID', $dataOccupation["OccupationID"])->update($dataOccupation);

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

            $this->db->transComplete();

            return $this->respondCreated([
                'status'  => 'success',
                'message' => 'Occupation updated successfully',
                'data'    => $dataContact,
            ], 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);
            $OccupationID = $input["OccupationID"];
            if (!$OccupationID) {
                return $this->failValidationError('ContactID is required.');
            }

            $occupation = $this->db->table('occupation')->where('OccupationID', $OccupationID)->get()->getRow();
            if (!$occupation) {
                return $this->failNotFound("data with {$OccupationID} not found.");
            }

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

            return $this->respondDeleted([
                'status' => 'success',
                'message' => "{$ContactID} 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 prepareOccupationData(array $input): array {
        $data = [
            "AbbTex" => $input['AbbTex'] ?? null,
            "FullText" => $input['FullText'] ?? null,
            "Description" => $input['Description'] ?? null,
        ];

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

        return $data;
    }
}