Proyectos de Subversion LeadersLinked - Backend

<?php

declare(strict_types=1);

namespace LeadersLinked\Controller;

use Laminas\Db\Adapter\AdapterInterface;

use Laminas\Mvc\Controller\AbstractActionController;

use Laminas\Log\LoggerInterface;

use Laminas\View\Model\ViewModel;

use Laminas\View\Model\JsonModel;

use LeadersLinked\Library\Functions;

use LeadersLinked\Mapper\FastSurveyMapper;

use LeadersLinked\Form\FastSurvey\FastSurveyForm;

use LeadersLinked\Model\FastSurvey;

use LeadersLinked\Hydrator\ObjectPropertyHydrator;

use LeadersLinked\Model\Feed;

use LeadersLinked\Mapper\CompanyUserMapper;

use LeadersLinked\Mapper\FeedMapper;

use LeadersLinked\Mapper\QueryMapper;

use LeadersLinked\Mapper\UserMapper;

use PhpOffice\PhpSpreadsheet\IOFactory;

use PhpOffice\PhpSpreadsheet\Spreadsheet;

use LeadersLinked\Mapper\FastSurveyVoteMapper;

class FastSurveyController extends AbstractActionController {

    /**

     *

     * @var AdapterInterface

     */

    private $adapter;

    /**

     *

     * @var  LoggerInterface

     */

    private $logger;

    /**

     *

     * @var array

     */

    private $config;

    /**

     *

     * @param AdapterInterface $adapter

     * @param LoggerInterface $logger

     * @param array $config

     */

    public function __construct($adapter, $logger, $config)

    {

        $this->adapter = $adapter;

        $this->logger = $logger;

        $this->config = $config;

    }

    public function indexAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentCompany = $currentUserPlugin->getCompany();

        $request = $this->getRequest();

        $request = $this->getRequest();

        if($request->isGet()) {

            $headers  = $request->getHeaders();

            $isJson = false;

            if($headers->has('Accept')) {

                $accept = $headers->get('Accept');

                $prioritized = $accept->getPrioritized();

                foreach($prioritized as $key => $value) {

                    $raw = trim($value->getRaw());

                    if(!$isJson) {

                        $isJson = strpos($raw, 'json');

                    }

                }

            }

            if($isJson) {

                $acl = $this->getEvent()->getViewModel()->getVariable('acl');

                $allowEdit = $acl->isAllowed($currentUser->usertype_id, 'fast-survey/edit');

                $allowDelete = $acl->isAllowed($currentUser->usertype_id, 'fast-survey/delete');

                $allowChart = $acl->isAllowed($currentUser->usertype_id, 'fast-survey/chart');

                $allowDownload = $acl->isAllowed($currentUser->usertype_id, 'fast-survey/download');

                $search = $this->params()->fromQuery('search');

                $search = empty($search['value']) ? '' :  Functions::sanitizeFilterString($search['value']);

                $page               = intval($this->params()->fromQuery('start', 1), 10);

                $records_x_page     = intval($this->params()->fromQuery('length', 10), 10);

                $order =  $this->params()->fromQuery('order', []);

                $order_field        = empty($order[0]['column']) ? 99 :  intval($order[0]['column'], 10);

                $order_direction    = empty($order[0]['dir']) ? 'ASC' : strtoupper(Functions::sanitizeFilterString($order[0]['dir']));

                $fields =  ['added_on'];

                $order_field = isset($fields[$order_field]) ? $fields[$order_field] : 'added_on';

                if(!in_array($order_direction, ['ASC', 'DESC'])) {

                    $order_direction = 'DESC';

                }

                $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

                $paginator = $fastSurveyMapper->fetchAllDataTable($currentCompany->id, $search, $page, $records_x_page, $order_field, $order_direction);

                $items = [];

                $records = $paginator->getCurrentItems();

                foreach($records as $record)

                {

                    $dt = \DateTime::createFromFormat('Y-m-d H:i:s', $record->added_on);

                    $added_on = $dt->format('d/m/Y h:i a');

                    $dt = \DateTime::createFromFormat('Y-m-d H:i:s', $record->expire_on);

                    $expire_on = $dt->format('d/m/Y h:i a');

                    $votes = $record->votes1

                        + $record->votes2

                        + $record->votes3

                        + $record->votes4

                        + $record->votes5;

                    switch($record->status)

                    {

                        case FastSurvey::STATUS_ACTIVE :

                            $status = 'LABEL_ACTIVE';

                            break;

                        default :

                            $status = 'LABEL_INACTIVE';

                            break;

                    }

                    $item = [

                        'question' => $record->question,

                        'details' => [

                            'added_on' => $added_on,

                            'expire_on' => $expire_on,

                        ],

                        'votes' => $votes,

                        'actions' => [

                            'link_edit' => $allowEdit && !$votes ?   $this->url()->fromRoute('fast-survey/edit', ['id' => $record->uuid ]) : '',

                            'link_delete' => $allowDelete && !$votes ? $this->url()->fromRoute('fast-survey/delete', ['id' => $record->uuid ]) : '',

                            'link_chart' => $allowChart ? $this->url()->fromRoute('fast-survey/chart', ['id' => $record->uuid ]) : '',

                            'link_download' => $allowDownload ? $this->url()->fromRoute('fast-survey/download', ['id' => $record->uuid ]) : '',

                        ],

                    ];

                    array_push($items, $item);

                }

                return new JsonModel([

                    'success' => true,

                    'data' => [

                        'items' => $items,

                        'total' => $paginator->getTotalItemCount(),

                    ]

                ]);

            } else  {

                $form = new FastSurveyForm();

                $this->layout()->setTemplate('layout/layout-backend');

                $viewModel = new ViewModel();

                $viewModel->setTemplate('leaders-linked/fast-survey/index.phtml');

                $viewModel->setVariables([

                    'form' => $form

                ]);

                return $viewModel ;

            }

        } else {

            return new JsonModel([

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ]);;

        }

    }

    public function addAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentNetworkPlugin = $this->plugin('currentNetworkPlugin');

        $currentNetwork = $currentNetworkPlugin->getNetwork();

        $currentCompany = $currentUserPlugin->getCompany();

        $request = $this->getRequest();

        if ($request->isPost()) {

            $form = new FastSurveyForm();

            $dataPost = $request->getPost()->toArray();

            $form->setData($dataPost);

            if ($form->isValid()) {

                $dataPost = (array) $form->getData();

                $companyUserMapper = CompanyUserMapper::getInstance($this->adapter);

                $companyUser = $companyUserMapper->fetchOwnerByCompanyId($currentCompany->id);

                $hydrator = new ObjectPropertyHydrator();

                $fastSurvey = new FastSurvey();

                $hydrator->hydrate($dataPost, $fastSurvey);

                $fastSurvey->network_id = $currentNetwork->id;

                $fastSurvey->company_id = $currentCompany->id;

                $fastSurvey->user_id = $companyUser->id;

                $fastSurvey->status = FastSurvey::STATUS_ACTIVE;

                $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

                $result = $fastSurveyMapper->insert($fastSurvey);

                if ($result) {

                    $feed = new Feed();

                    $feed->company_id = $currentCompany->id;

                    $feed->network_id = $currentNetwork->id;

                    $feed->user_id = $companyUser->id;

                    $feed->fast_survey_id = $fastSurvey->id;

                    $feed->type = Feed::TYPE_COMPANY;

                    $feed->file_type = Feed::FILE_TYPE_FAST_SURVEY;

                    $feed->posted_or_shared = Feed::POSTED;

                    $feed->status = Feed::STATUS_PUBLISHED;

                    $feed->title = '';

                    $feed->description = '';

                    $feed->total_comments   = 0;

                    $feed->total_shared     = 0;

                    $feed->shared_with      = Feed::SHARE_WITH_CONNECTIONS;

                    $feedMapper = FeedMapper::getInstance($this->adapter);

                    $feedMapper->insert($feed);

                    $response = [

                        'success' => true,

                        'data' => 'LABEL_RECORD_ADDED',

                    ];

                    $this->logger->info('Se agrego la encuesta rápida : ' . $fastSurvey->question, ['user_id' => $currentUser->id, 'ip' => Functions::getUserIP()]);

                } else {

                    $response = [

                        'success' => false,

                        'data' => $fastSurveyMapper->getError()

                    ];

                }

                return new JsonModel($response);

            } else {

                $messages = [];

                $form_messages = (array) $form->getMessages();

                foreach ($form_messages as $fieldname => $field_messages) {

                    $messages[$fieldname] = array_values($field_messages);

                }

                return new JsonModel([

                    'success' => false,

                    'data' => $messages

                ]);

            }

        } else {

            $data = [

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ];

            return new JsonModel($data);

        }

        return new JsonModel($data);

    }

    public function editAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentCompany = $currentUserPlugin->getCompany();

        $request = $this->getRequest();

        $id = $this->params()->fromRoute('id');

        if (!$id) {

            $data = [

                'success' => false,

                'data' => 'ERROR_INVALID_PARAMETER'

            ];

            return new JsonModel($data);

        }

        $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

        $fastSurvey = $fastSurveyMapper->fetchOneByUuid($id);

        if (!$fastSurvey) {

            $data = [

                'success' => false,

                'data' => 'ERROR_RECORD_NOT_FOUND'

            ];

            return new JsonModel($data);

        }

        if($fastSurvey->company_id != $currentCompany->id) {

            $response = [

                'success' => false,

                'data' =>  'ERROR_UNAUTHORIZED'

            ];

            return new JsonModel($response);

        }

        if($fastSurvey->votes1 > 0 || $fastSurvey->votes2 > 0|| $fastSurvey->votes3 > 0|| $fastSurvey->votes4 > 0|| $fastSurvey->votes5 > 0) {

            $response = [

                'success' => false,

                'data' =>  'ERROR_FAST_SURVEY_THERE_ARE_VOTES'

            ];

            return new JsonModel($response);

        }

        if ($request->isPost()) {

            $form = new FastSurveyForm();

            $dataPost = $request->getPost()->toArray();

            $form->setData($dataPost);

            if ($form->isValid()) {

                $dataPost = (array) $form->getData();

                $hydrator = new ObjectPropertyHydrator();

                $hydrator->hydrate($dataPost, $fastSurvey);

                $result = $fastSurveyMapper->update($fastSurvey);

                if ($result) {

                    $this->logger->info('Se actualizo la encuesta : ' . $fastSurvey->question, ['user_id' => $currentUser->id, 'ip' => Functions::getUserIP()]);

                    $data = [

                        'success' => true,

                        'data' => 'LABEL_RECORD_UPDATED'

                    ];

                } else {

                    $data = [

                        'success' => false,

                        'data' => $fastSurveyMapper->getError()

                    ];

                }

                return new JsonModel($data);

            } else {

                $messages = [];

                $form_messages = (array) $form->getMessages();

                foreach ($form_messages as $fieldname => $field_messages) {

                    $messages[$fieldname] = array_values($field_messages);

                }

                return new JsonModel([

                    'success' => false,

                    'data' => $messages

                ]);

            }

        } else if ($request->isGet()) {

            $hydrator = new ObjectPropertyHydrator();

            $data = [

                'success' => true,

                'data' => [

                    'question' => $fastSurvey->question,

                    'number_of_answers' => $fastSurvey->number_of_answers,

                    'answer1' => $fastSurvey->answer1,

                    'answer2' => $fastSurvey->answer2,

                    'answer3' => $fastSurvey->answer3,

                    'answer4' => $fastSurvey->answer4,

                    'answer5' => $fastSurvey->answer5,

                    'duration_days' => $fastSurvey->duration_days,

                    'duration_hours' => $fastSurvey->duration_hours,

                    'duration_minutes' => $fastSurvey->duration_minutes,

                    'status' => $fastSurvey->status,

                    'privacy' => $fastSurvey->privacy,

                    'result_type' => $fastSurvey->result_type,

                ]

            ];

            return new JsonModel($data);

        } else {

            $data = [

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ];

            return new JsonModel($data);

        }

        return new JsonModel($data);

    }

    public function deleteAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentCompany = $currentUserPlugin->getCompany();

        $request = $this->getRequest();

        if ($request->isPost()) {

            $id = $this->params()->fromRoute('id');

            if (!$id) {

                $response = [

                    'success' => false,

                    'data' => 'ERROR_INVALID_PARAMETER'

                ];

                return new JsonModel($response);

            }

            $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

            $fastSurvey = $fastSurveyMapper->fetchOneByUuid($id);

            if (!$fastSurvey) {

                $data = [

                    'success' => false,

                    'data' => 'ERROR_RECORD_NOT_FOUND'

                ];

                return new JsonModel($data);

            }

            if($fastSurvey->company_id != $currentCompany->id) {

                $response = [

                    'success' => false,

                    'data' =>  'ERROR_UNAUTHORIZED'

                ];

                return new JsonModel($response);

            }

            if($fastSurvey->votes1 > 0 || $fastSurvey->votes2 > 0|| $fastSurvey->votes3 > 0|| $fastSurvey->votes4 > 0|| $fastSurvey->votes5 > 0) {

                $response = [

                    'success' => false,

                    'data' =>  'ERROR_FAST_SURVEY_THERE_ARE_VOTES'

                ];

                return new JsonModel($response);

            }

            $feedMapper = FeedMapper::getInstance($this->adapter);

            $feedMapper->deleteByFastSurvey($fastSurvey);

            $result = $fastSurveyMapper->delete($fastSurvey);

            if ($result) {

                $this->logger->info('Se borro la encuesta : ' . $fastSurvey->question, ['user_id' => $currentUser->id, 'ip' => Functions::getUserIP()]);

                $response = [

                    'success' => true,

                    'data' => 'LABEL_RECORD_DELETED'

                ];

            } else {

                $response = [

                    'success' => false,

                    'data' => $fastSurveyMapper->getError()

                ];

            }

        } else {

            $response = [

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ];

        }

        return new JsonModel($response);

    }

    public function chartAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentCompany = $currentUserPlugin->getCompany();

        $id = $this->params()->fromRoute('id');

        if (!$id) {

            $data = [

                'success' => false,

                'data' => 'ERROR_INVALID_PARAMETER'

            ];

            return new JsonModel($data);

        }

        $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

        $fastSurvey = $fastSurveyMapper->fetchOneByUuid($id);

        if (!$fastSurvey) {

            $data = [

                'success' => false,

                'data' => 'ERROR_RECORD_NOT_FOUND'

            ];

            return new JsonModel($data);

        }

        if($fastSurvey->company_id != $currentCompany->id) {

            $response = [

                'success' => false,

                'data' =>  'ERROR_UNAUTHORIZED'

            ];

            return new JsonModel($response);

        }

        $request = $this->getRequest();

        if ($request->isGet()) {

            $data = [

                'question'  => $fastSurvey->question,

                'labels'    => [$fastSurvey->answer1, $fastSurvey->answer2],

                'values'    => [$fastSurvey->votes1, $fastSurvey->votes2],

            ];

            if($fastSurvey->number_of_answers >= 3) {

                array_push($data['labels'], $fastSurvey->answer3);

                array_push($data['values'], $fastSurvey->votes3);

            }

            if($fastSurvey->number_of_answers >= 4) {

                array_push($data['labels'], $fastSurvey->answer4);

                array_push($data['values'], $fastSurvey->votes4);

            }

            if($fastSurvey->number_of_answers == 5) {

                array_push($data['labels'], $fastSurvey->answer5);

                array_push($data['values'], $fastSurvey->votes5);

            }

            return new JsonModel([

                'success' => true,

                'data' => $data,

            ]);

        } else {

            return new JsonModel([

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ]);

        }

    }

    public function downloadAction()

    {

        $currentUserPlugin = $this->plugin('currentUserPlugin');

        $currentUser = $currentUserPlugin->getUser();

        $currentCompany = $currentUserPlugin->getCompany();

        $id = $this->params()->fromRoute('id');

        if (!$id) {

            $data = [

                'success' => false,

                'data' => 'ERROR_INVALID_PARAMETER'

            ];

            return new JsonModel($data);

        }

        $fastSurveyMapper = FastSurveyMapper::getInstance($this->adapter);

        $fastSurvey = $fastSurveyMapper->fetchOneByUuid($id);

        if (!$fastSurvey) {

            $data = [

                'success' => false,

                'data' => 'ERROR_RECORD_NOT_FOUND'

            ];

            return new JsonModel($data);

        }

        if($fastSurvey->company_id != $currentCompany->id) {

            $response = [

                'success' => false,

                'data' =>  'ERROR_UNAUTHORIZED'

            ];

            return new JsonModel($response);

        }

        $request = $this->getRequest();

        if ($request->isGet()) {

            $spreadsheet = new Spreadsheet();

            $spreadsheet->getProperties()->setTitle($fastSurvey->question);

            $spreadsheet->setActiveSheetIndex(0);

            $spreadsheet->getActiveSheet()->SetCellValue('A1', strtoupper($fastSurvey->question));

            $spreadsheet->getActiveSheet()->getCell('A1')->getStyle()->getAlignment()->setHorizontal( 'center');

            $spreadsheet->getActiveSheet()->getCell('A1')->getStyle()->getFont()->setBold(true);

            if($fastSurvey->number_of_answers == 5) {

                $spreadsheet->getActiveSheet()->mergeCells('A1:I1');

            } else if($fastSurvey->number_of_answers == 4) {

                $spreadsheet->getActiveSheet()->mergeCells('A1:H1');

            } else if($fastSurvey->number_of_answers == 3) {

                $spreadsheet->getActiveSheet()->mergeCells('A1:G1');

            } else {

                $spreadsheet->getActiveSheet()->mergeCells('A1:F1');

            }

            $spreadsheet->getActiveSheet()->SetCellValue('A3', 'TOTAL DE VOTOS');

            $spreadsheet->getActiveSheet()->getCell('A3')->getStyle()->getAlignment()->setHorizontal( 'center');

            $spreadsheet->getActiveSheet()->getCell('A3')->getStyle()->getFont()->setBold(true);

            if($fastSurvey->number_of_answers == 5) {

                $spreadsheet->getActiveSheet()->mergeCells('A3:I3');

            } else if($fastSurvey->number_of_answers == 4) {

                $spreadsheet->getActiveSheet()->mergeCells('A3:H3');

            } else if($fastSurvey->number_of_answers == 3) {

                $spreadsheet->getActiveSheet()->mergeCells('A3:G3');

            } else {

                $spreadsheet->getActiveSheet()->mergeCells('A3:F3');

            }

            $spreadsheet->getActiveSheet()->SetCellValue('A4', $fastSurvey->answer1);

            $spreadsheet->getActiveSheet()->SetCellValue('A5', $fastSurvey->votes1);

            $spreadsheet->getActiveSheet()->SetCellValue('B4', $fastSurvey->answer2);

            $spreadsheet->getActiveSheet()->SetCellValue('B5', $fastSurvey->votes2);

            if($fastSurvey->number_of_answers >= 3) {

                $spreadsheet->getActiveSheet()->SetCellValue('C4', $fastSurvey->answer3);

                $spreadsheet->getActiveSheet()->SetCellValue('C5', $fastSurvey->votes3);

            }

            if($fastSurvey->number_of_answers >= 4) {

                $spreadsheet->getActiveSheet()->SetCellValue('D4', $fastSurvey->answer4);

                $spreadsheet->getActiveSheet()->SetCellValue('D5', $fastSurvey->votes4);

            }

            if($fastSurvey->number_of_answers == 5) {

                $spreadsheet->getActiveSheet()->SetCellValue('E4', $fastSurvey->answer5);

                $spreadsheet->getActiveSheet()->SetCellValue('E5', $fastSurvey->votes5);

            }

            $spreadsheet->getActiveSheet()->SetCellValue('A7', 'DETALLE DE LOS USUARIOS');

            $spreadsheet->getActiveSheet()->getCell('A7')->getStyle()->getAlignment()->setHorizontal( 'center');

            $spreadsheet->getActiveSheet()->getCell('A7')->getStyle()->getFont()->setBold(true);

            if($fastSurvey->number_of_answers == 5) {

                $spreadsheet->getActiveSheet()->mergeCells('A7:I7');

            } else if($fastSurvey->number_of_answers == 4) {

                $spreadsheet->getActiveSheet()->mergeCells('A7:H7');

            } else if($fastSurvey->number_of_answers == 3) {

                $spreadsheet->getActiveSheet()->mergeCells('A7:G7');

            } else {

                $spreadsheet->getActiveSheet()->mergeCells('A7:F7');

            }

            $spreadsheet->getActiveSheet()->SetCellValue('A8', 'Fecha');

            $spreadsheet->getActiveSheet()->SetCellValue('B8', 'Nombre');

            $spreadsheet->getActiveSheet()->SetCellValue('C8', 'Apellido');

            $spreadsheet->getActiveSheet()->SetCellValue('D8', 'Correo electrónico');

            $spreadsheet->getActiveSheet()->SetCellValue('E8', $fastSurvey->answer1);

            $spreadsheet->getActiveSheet()->SetCellValue('F8', $fastSurvey->answer2);

            if($fastSurvey->number_of_answers >= 3) {

                $spreadsheet->getActiveSheet()->SetCellValue('G8', $fastSurvey->answer3);

            }

            if($fastSurvey->number_of_answers >= 4) {

                $spreadsheet->getActiveSheet()->SetCellValue('H8', $fastSurvey->answer4);

            }

            if($fastSurvey->number_of_answers == 5) {

                $spreadsheet->getActiveSheet()->SetCellValue('I8', $fastSurvey->answer5);

            }

            $queryMapper = QueryMapper::getInstance($this->adapter);

            $select = $queryMapper->getSql()->select();

            $select->columns(['vote', 'added_on']);

            $select->from(['v' => FastSurveyVoteMapper::_TABLE]);

            $select->join(['u' => UserMapper::_TABLE], 'v.user_id = u.id', ['first_name', 'last_name', 'email']);

            $select->where->equalTo('v.fast_survey_id', $fastSurvey->id);

            $select->order('added_on');

            $i = 9;

            $records = $queryMapper->fetchAll($select);

            foreach($records as $record)

            {

                $dt = \DateTime::createFromFormat('Y-m-d H:i:s', $record['added_on']);

                $spreadsheet->getActiveSheet()->SetCellValue('A' . $i, $dt->format('d/m/Y H:i a'));

                $spreadsheet->getActiveSheet()->SetCellValue('B' . $i, $record['first_name']);

                $spreadsheet->getActiveSheet()->SetCellValue('C' . $i, $record['last_name']);

                $spreadsheet->getActiveSheet()->SetCellValue('D' . $i, $record['email']);

                switch($record['vote'])

                {

                    case 1 :

                        $spreadsheet->getActiveSheet()->SetCellValue('E' . $i, 'X');

                        break;

                    case 2 :

                        $spreadsheet->getActiveSheet()->SetCellValue('F' . $i, 'X');

                        break;

                    case 3 :

                        $spreadsheet->getActiveSheet()->SetCellValue('G' . $i, 'X');

                        break;

                    case 4 :

                        $spreadsheet->getActiveSheet()->SetCellValue('H' . $i, 'X');

                        break;

                    case 5 :

                        $spreadsheet->getActiveSheet()->SetCellValue('I' . $i, 'X');

                        break;

                }

                $i++;

            }

            $fileName = Functions::normalizeString($fastSurvey->question) . '_'  . date('d-m-Y-h-i-a', time()) . '.xls';

            $tempFilename = tempnam(sys_get_temp_dir(), 'reporte_pulso_diario_' . time());

            $writer = IOFactory::createWriter($spreadsheet, 'Xlsx');

            $writer->save($tempFilename);

            $content = file_get_contents($tempFilename);

            @unlink($tempFilename);

            return new JsonModel([

                'success' => true,

                'data' => [

                    'content' => base64_encode($content),

                    'basename' => $fileName

                ]

            ]);

        } else {

            return new JsonModel([

                'success' => false,

                'data' => 'ERROR_METHOD_NOT_ALLOWED'

            ]);

        }

    }

}