clqms-be/app/Controllers/Organization/DepartmentController.php

<?php
namespace App\Controllers\Organization;

use App\Traits\PatchValidationTrait;
use App\Traits\ResponseTrait;
use App\Controllers\BaseController;

use App\Models\Organization\DepartmentModel;

class DepartmentController extends BaseController {
    use ResponseTrait;
    use PatchValidationTrait;

    protected $db;
    protected $model;

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

    public function index() {
        $filter = [
			'DepartmentCode' => $this->request->getVar('DepartmentCode'),
			'DepartmentName' => $this->request->getVar('DepartmentName'),
		];
        $rows = $this->model->getDepartments($filter);
        
        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($DepartmentID = null) {
        $row = $this->model->getDepartment($DepartmentID);
        if (empty($row)) {
            return $this->respond([ 'status'  => 'success', 'message' => "no Data.", 'data' => null ], 200);
        }

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

    public function delete() {
        try {
            $input = $this->request->getJSON(true);
            $id = $input["DepartmentID"];
            if (!$id) { return $this->failValidationErrors('ID is required.'); }
            $this->model->delete($id);
            return $this->respondDeleted([ 'status' => 'success', 'message' => "{$id} deleted successfully."]);
        } catch (\Throwable $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }

    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($DepartmentID = null) {
        $input = $this->requirePatchPayload($this->request->getJSON(true));
        if ($input === null) {
            return;
        }

        $id = $this->requirePatchId($DepartmentID, 'DepartmentID');
        if ($id === null) {
            return;
        }

        $existing = $this->model->find($id);
        if (!$existing) {
            return $this->respond([ 'status' => 'failed', 'message' => 'Department not found', 'data' => [] ], 404);
        }

        $input['DepartmentID'] = $id;
        try {
            $this->model->update($id, $input);
            return $this->respond([ 'status'  => 'success', 'message' => 'data updated successfully', 'data' => $id ], 200);
        } catch (\Throwable $e) {
            return $this->failServerError('Something went wrong: ' . $e->getMessage());
        }
    }
}