Proyectos de Subversion LeadersLinked - Backend

<?php

declare(strict_types=1);

namespace LeadersLinked\Controller;

use Laminas\Mvc\Controller\AbstractActionController;

use Laminas\View\Model\JsonModel;

use Laminas\View\Model\ViewModel;

use LeadersLinked\Library\Functions;

use LeadersLinked\Mapper\MicrolearningTopicMapper;

use LeadersLinked\Mapper\MicrolearningCapsuleMapper;

use LeadersLinked\Model\MicrolearningTopic;

use LeadersLinked\Form\Microlearning\TopicAddForm;

use LeadersLinked\Form\Microlearning\TopicEditForm;

use LeadersLinked\Library\Storage;

use LeadersLinked\Model\MicrolearningTopicCapsule;

use LeadersLinked\Mapper\MicrolearningTopicCapsuleMapper;

use LeadersLinked\Mapper\MicrolearningUserProgressMapper;

use LeadersLinked\Mapper\QueryMapper;

use LeadersLinked\Mapper\UserMapper;

use LeadersLinked\Mapper\MicrolearningTopicUserMapper;

use LeadersLinked\Model\MicrolearningTopicUser;

class MicrolearningTopicController extends AbstractActionController

{

    /**

     *

     * @var \Laminas\Db\Adapter\AdapterInterface

     */

    private $adapter;

    /**

     *

     * @var \LeadersLinked\Cache\CacheInterface

     */

    private $cache;

    /**

     *

     * @var \Laminas\Log\LoggerInterface

     */

    private $logger;

    /**

     *

     * @var array

     */

    private $config;

    /**

     *

     * @var \Laminas\Mvc\I18n\Translator

     */

    private $translator;

    /**

     *

     * @param \Laminas\Db\Adapter\AdapterInterface $adapter

     * @param \LeadersLinked\Cache\CacheInterface $cache

     * @param \Laminas\Log\LoggerInterface LoggerInterface $logger

     * @param array $config

     * @param \Laminas\Mvc\I18n\Translator $translator

     */

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

    {

        $this->adapter      = $adapter;

        $this->cache        = $cache;

        $this->logger       = $logger;

        $this->config       = $config;

        $this->translator   = $translator;

    }

    /**

     *

     * Generación del listado de tópicos

     * {@inheritDoc}

     * @see \Laminas\Mvc\Controller\AbstractActionController::indexAction()

     * @return JsonModel

     */

    public function indexAction()

    {

        try {

            $request = $this->getRequest();

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

            $currentCompany = $currentUserPlugin->getCompany();

            $currentUser    = $currentUserPlugin->getUser();

            if (!$request->isGet()) {

                return $this->createErrorResponse('ERROR_METHOD_NOT_ALLOWED');

            }

            if(!$currentCompany) {

                return $this->createErrorResponse('ERROR_COMPANY_NOT_FOUND');

            }

            if(!$currentUser) {

                return $this->createErrorResponse('ERROR_USER_NOT_FOUND');

            }

            if($this->isJsonRequest($request)) {

                return $this->handleJsonRequest($currentUser, $currentCompany);

            }

            return $this->handleHtmlRequest($currentCompany);

        } catch (\Exception $e) {

            $this->logger->err('Error in indexAction: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

    /**

     *

     * Agregar un tópico

     * {@inheritDoc}

     * @see \Laminas\Mvc\Controller\AbstractActionController::addAction()

     * @return JsonModel

     */

    public function addAction()

    {

        try {

            $request    = $this->getRequest();

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

            $currentCompany     = $currentUserPlugin->getCompany();

            $currentUser        = $currentUserPlugin->getUser();

            if(!$currentCompany) {

                return $this->createErrorResponse('ERROR_COMPANY_NOT_FOUND');

            }

            if(!$currentUser) {

                return $this->createErrorResponse('ERROR_USER_NOT_FOUND');

            }

            if(!$request->isPost() && !$request->isGet()) {

                return $this->createErrorResponse('ERROR_METHOD_NOT_ALLOWED');

            }

            if($request->isGet()) {

                $capsuleMapper = MicrolearningCapsuleMapper::getInstance($this->adapter);

                $records =  $capsuleMapper->fetchAllByCompanyId($currentCompany->id);

                $capsules = [];

                foreach($records as $record) {

                    array_push($capsules, [

                        'id' => $record->uuid,

                        'name' => $record->name,

                    ]);

                }

                return new JsonModel([

                    'success' => true,

                    'data' => ['capsules' => $capsules]

                ]);

            }

            if($request->isPost()) {

                $form = new TopicAddForm($this->adapter, $currentCompany->id);

                $dataPost = array_merge($request->getPost()->toArray(), $request->getFiles()->toArray());

                $form->setData($dataPost);

                if(!$form->isValid()) {

                    $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

                    ]);

                }

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

                $topic = new MicrolearningTopic();

                $topic->name = $dataPost['name'];

                $topic->description = $dataPost['description'];

                $topic->order = $dataPost['order'];

                $topic->status = $dataPost['status'];

                $topic->privacy = $dataPost['privacy'];

                $topic->type = $dataPost['type'];

                $topic->cost = $dataPost['cost'];

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

                $topic->image = '';

                $topic->marketplace = '';

                $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

                if(!$topicMapper->insert($topic)) {

                    return $this->createErrorResponse($topicMapper->getError());

                }

                $topic = $topicMapper->fetchOne($topic->id);

                $capsuleUuids = $dataPost['capsule_id'];

                $capsuleMapper = MicrolearningCapsuleMapper::getInstance($this->adapter);

                $topicCapsuleMapper = MicrolearningTopicCapsuleMapper::getInstance($this->adapter);

                foreach ($capsuleUuids as $capsuleUuid) {

                    $capsule = $capsuleMapper->fetchOneByUuid($capsuleUuid);

                    if ($capsule) {

                        $topicCapsule = new MicrolearningTopicCapsule();

                        $topicCapsule->topic_id = $topic->id;

                        $topicCapsule->capsule_id = $capsule->id;

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

                        $topicCapsuleMapper->insert($topicCapsule);

                    }

                }

                $storage = Storage::getInstance($this->config, $this->adapter);

                $storage->setFiles($request->getFiles()->toArray());

                if (!$storage->setCurrentFilename('file')) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                $target_size = $this->config['leaderslinked.image_sizes.microlearning_image_size'];

                list($target_width, $target_height) = explode('x', $target_size);

                $image_source_filename = $storage->getTmpFilename();

                $image_filename = 'topic-' . uniqid() . '.png';

                $image_target_filename = $storage->composePathToFilename(

                    Storage::TYPE_MICROLEARNING_TOPIC,

                    $topic->uuid,

                    $image_filename

                );

                if (!$storage->uploadImageCrop($image_source_filename, $image_target_filename, $target_width, $target_height)) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                if(!$storage->setCurrentFilename('marketplace')) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                $marketplace_source_filename = $storage->getTmpFilename();

                $marketplace_filename = 'marketplace-' . uniqid() . '.png';

                $marketplace_target_filename = $storage->composePathToFilename(

                    Storage::TYPE_MICROLEARNING_TOPIC,

                    $topic->uuid,

                    $marketplace_filename

                );

                if (!$storage->uploadImageCrop($marketplace_source_filename, $marketplace_target_filename, $target_width, $target_height)) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                $topic->image = $image_filename;

                $topic->marketplace = $marketplace_filename;

                if(!$topicMapper->update($topic)) {

                    return $this->createErrorResponse($topicMapper->getError());

                }

                $this->logger->info('Se agrego el tópico ' . $topic->name, ['user_id' => $currentUser->id, 'ip' => Functions::getUserIP()]);

                return new JsonModel([

                    'success'   => true,

                    'data'   => 'LABEL_RECORD_ADDED'

                ]);

            }

        } catch (\Exception $e) {

            $this->logger->err('Error in addAction: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

    /**

     *

     * Borrar un tópico

     * {@inheritDoc}

     * @see \Laminas\Mvc\Controller\AbstractActionController::deleteAction()

     * @return JsonModel

     */

    public function deleteAction()

    {

        try {

            $request = $this->getRequest();

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

            $currentCompany     = $currentUserPlugin->getCompany();

            $currentUser        = $currentUserPlugin->getUser();

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

            if(!$currentCompany) {

                return $this->createErrorResponse('ERROR_COMPANY_NOT_FOUND');

            }

            if(!$currentUser) {

                return $this->createErrorResponse('ERROR_USER_NOT_FOUND');

            }

            if(!$request->isPost()) {

                return $this->createErrorResponse('ERROR_METHOD_NOT_ALLOWED');

            }

            $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

            $topic = $topicMapper->fetchOneByUuid($id);

            if(!$topic) {

                return $this->createErrorResponse('ERROR_TOPIC_NOT_FOUND');

            }

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

                return $this->createErrorResponse('ERROR_UNAUTHORIZED');

            }

            // Eliminar las relaciones con cápsulas primero

            $topicCapsuleMapper = MicrolearningTopicCapsuleMapper::getInstance($this->adapter);

            if(!$topicCapsuleMapper->deleteByTopicId($topic->id)) {

                return $this->createErrorResponse($topicCapsuleMapper->getError());

            }

            // Eliminar el progreso de los usuarios

            $userProgressMapper = MicrolearningUserProgressMapper::getInstance($this->adapter);

            if(!$userProgressMapper->deleteAllTopicProgressByTopicId($topic->id)) {

                return $this->createErrorResponse($userProgressMapper->getError());

            }

            // Eliminar archivos de almacenamiento

            $storage = Storage::getInstance($this->config, $this->adapter);

            $target_path = $storage->getPathMicrolearningTopic();

            if($topic->image) {

                if(!$storage->deleteFile($target_path, $topic->uuid, $topic->image)) {

                    return $this->createErrorResponse('ERROR_DELETING_FILE');

                }

            }

            if(!$topicMapper->delete($topic)) {

                return $this->createErrorResponse($topicMapper->getError());

            }

            if($topic->marketplace) {

                if(!$storage->deleteFile($target_path, $topic->uuid, $topic->marketplace)) {

                    return $this->createErrorResponse('ERROR_DELETING_FILE');

                }

            }

            // Registrar la acción en el log

            $this->logger->info('Se borro el tópico : ' . $topic->name, [

            'user_id' => $currentUser->id,

            'ip' => Functions::getUserIP()

            ]);

            return new JsonModel([

                'success' => true,

                'data' => 'LABEL_RECORD_DELETED'

            ]);

        } catch (\Exception $e) {

            $this->logger->err('Error in deleteAction: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

    /**

     *

     * Editar un tópico

     * {@inheritDoc}

     * @see \Laminas\Mvc\Controller\AbstractActionController::editAction()

     * @return JsonModel

     */

    public function editAction()

    {

        try {

            $request = $this->getRequest();

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

            $currentCompany     = $currentUserPlugin->getCompany();

            $currentUser        = $currentUserPlugin->getUser();

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

            if(!$currentCompany) {

                return $this->createErrorResponse('ERROR_COMPANY_NOT_FOUND');

            }

            if(!$currentUser) {

                return $this->createErrorResponse('ERROR_USER_NOT_FOUND');

            }

            if(!$request->isPost() && !$request->isGet()) {

                return $this->createErrorResponse('ERROR_METHOD_NOT_ALLOWED');

            }

            if($request->isGet()) {

                $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

                $topic = $topicMapper->fetchOneByUuid($id);

                if(!$topic) {

                    return $this->createErrorResponse('ERROR_TOPIC_NOT_FOUND');

                }

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

                    return $this->createErrorResponse('ERROR_UNAUTHORIZED');

                }

                $capsuleMapper = MicrolearningCapsuleMapper::getInstance($this->adapter);

                $records =  $capsuleMapper->fetchAllByCompanyId($currentCompany->id);

                $capsules = [];

                foreach($records as $record) {

                    $topicCapsuleMapper = MicrolearningTopicCapsuleMapper::getInstance($this->adapter);

                    $topicCapsule = $topicCapsuleMapper->fetchOneByTopicIdAndCapsuleId($topic->id, $record->id);

                    $selected = $topicCapsule ? true : false;

                    array_push($capsules, [

                        'id' => $record->uuid,

                        'name' => $record->name,

                        'selected' => $selected

                    ]);

                }

                $storage = Storage::getInstance($this->config, $this->adapter);

                $path = $storage->getPathMicrolearningTopic();

                $data = [

                    'success' => true,

                    'data' => [

                        'capsules' => $capsules,

                        'name' => $topic->name,

                        'description' => $topic->description,

                        'order' => $topic->order,

                        'status' => $topic->status,

                        'privacy' => $topic->privacy,

                        'type' => $topic->type,

                        'cost' => $topic->cost,

                        'image'=> $storage->getGenericImage($path, $topic->uuid, $topic->image),

                        'marketplace'=> $storage->getGenericImage($path, $topic->uuid, $topic->marketplace)

                    ]

                ];

                return new JsonModel($data);

            }

            if($request->isPost()) {

                $form = new  TopicEditForm($this->adapter, $currentCompany->id, $currentCompany->internal);

                $dataPost = array_merge($request->getPost()->toArray(), $request->getFiles()->toArray());

                $form->setData($dataPost);

                if(!$form->isValid()) {

                    $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

                    ]);

                }

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

                $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

                $topic = $topicMapper->fetchOneByUuid($id);

                if(!$topic) {

                    return $this->createErrorResponse('ERROR_TOPIC_NOT_FOUND');

                }

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

                    return $this->createErrorResponse('ERROR_UNAUTHORIZED');

                }

                $topic->name = $dataPost['name'];

                $topic->description = $dataPost['description'];

                $topic->order = $dataPost['order'];

                $topic->status = $dataPost['status'];

                $topic->privacy = $dataPost['privacy'];

                $topic->type = $dataPost['type'];

                $topic->cost = $dataPost['cost'];

                $topic->image = $dataPost['image'];

                $topic->marketplace = $dataPost['marketplace'];

                if(!$topicMapper->update($topic)) {

                    return $this->createErrorResponse($topicMapper->getError());

                }

                $storage = Storage::getInstance($this->config, $this->adapter);

                $target_path = $storage->getPathMicrolearningTopic();

                $storage->setFiles($request->getFiles()->toArray());

                if(!$storage->setCurrentFilename('file')) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                list($target_width, $target_height) = explode('x', $this->config['leaderslinked.image_sizes.microlearning_image_size']);

                $image_source_filename = $storage->getTmpFilename();

                $image_filename = 'topic-' . uniqid() . '.png';

                $image_target_filename = $storage->composePathToFilename(

                    Storage::TYPE_MICROLEARNING_TOPIC,

                    $topic->uuid,

                    $image_filename

                );

                if (!$storage->uploadImageCrop($image_source_filename, $image_target_filename, $target_width, $target_height)) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                if(!$storage->setCurrentFilename('marketplace')) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                $marketplace_source_filename = $storage->getTmpFilename();

                $marketplace_filename = 'marketplace-' . uniqid() . '.png';

                $marketplace_target_filename = $storage->composePathToFilename(

                    Storage::TYPE_MICROLEARNING_TOPIC,

                    $topic->uuid,

                    $marketplace_filename

                );

                if (!$storage->uploadImageCrop($marketplace_source_filename, $marketplace_target_filename, $target_width, $target_height)) {

                    return $this->createErrorResponse('ERROR_UPLOAD_IMAGE');

                }

                if($topic->image) {

                    if(!$storage->deleteFile($target_path, $topic->uuid, $topic->image)) {

                        return $this->createErrorResponse('ERROR_DELETING_FILE');

                    }

                }

                if($topic->marketplace) {

                    if(!$storage->deleteFile($target_path, $topic->uuid, $topic->marketplace)) {

                        return $this->createErrorResponse('ERROR_DELETING_FILE');

                    }

                }

                $topic->image = $image_filename;

                $topic->marketplace = $marketplace_filename;

                if(!$topicMapper->update($topic)) {

                    return $this->createErrorResponse($topicMapper->getError());

                }

                $this->logger->info('Se edito el tópico ' . $topic->name, ['user_id' => $currentUser->id, 'ip' => Functions::getUserIP()]);

                return new JsonModel([

                    'success'   => true,

                    'data'   => 'LABEL_RECORD_UPDATED'

                ]);

            }

        } catch (\Exception $e) {

            $this->logger->err('Error in editAction: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

    /**

     *

     * Obtener los usuarios de un tópico

     * {@inheritDoc}

     * @see \Laminas\Mvc\Controller\AbstractActionController::usersAction()

     * @return JsonModel

     */

    public function usersAction()

    {

        try {

            $request = $this->getRequest();

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

            $currentUser    = $currentUserPlugin->getUser();

            $currentCompany = $currentUserPlugin->getCompany();

            if(!$currentCompany) {

                return $this->createErrorResponse('ERROR_COMPANY_NOT_FOUND');

            }

            if(!$currentUser) {

                return $this->createErrorResponse('ERROR_USER_NOT_FOUND');

            }

            if(!$request->isGet()) {

                return $this->createErrorResponse('ERROR_METHOD_NOT_ALLOWED');

            }

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

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

            $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

            $topic = $topicMapper->fetchOneByUuid($topic_uuid);

            if(!$topic) {

                $this->logger->err('Error in usersAction: ' . $topic_uuid);

                return $this->createErrorResponse('ERROR_TOPIC_NOT_FOUND');

            }

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

                $this->logger->err('Error in usersAction: ' . $topic_uuid);

                return $this->createErrorResponse('ERROR_UNAUTHORIZED');

            }

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

            $sql = $queryMapper->getSql();

            $select = $sql->select();

            $select->columns(['access', 'paid_from', 'paid_to', 'added_on']);

            $select->from(['tb1' => MicrolearningTopicUserMapper::_TABLE] );

            $select->join(['tb2' => UserMapper::_TABLE], 'tb1.user_id = tb2.id', ['uuid', 'first_name', 'last_name', 'email']);

            $select->where->equalTo('tb1.company_id', $topic->company_id);

            $select->where->equalTo('tb1.topic_id', $topic->id);

            if($type == 'active') {

                $now = date('Y-m-d H:i:s');

                $select->where->nest->equalTo('access', MicrolearningTopicUser::ACCESS_UNLIMITED)->or->nest()

                ->equalTo('access', MicrolearningTopicUser::ACCESS_PAY_PERIOD)

                ->and->lessThanOrEqualTo('paid_from', $now)->and->greaterThanOrEqualTo('paid_to', $now )->unnest()->unnest();

            }

            $select->order(['first_name', 'last_name', 'email']);

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

            $items = [];

            foreach($records as $record)

            {

                switch($record['access'])

                {

                    case MicrolearningTopicUser::ACCESS_UNLIMITED :

                        $details['access'] = 'LABEL_UNLIMIT';

                        break;

                    case MicrolearningTopicUser::ACCESS_REVOKE :

                        $details['access'] = 'LABEL_REVOKED';

                        break;

                    case MicrolearningTopicUser::ACCESS_PAY_PERIOD :

                        $dt_paid_from = \DateTime::createFromFormat('Y-m-d', $record['paid_from']);

                        $dt_paid_to = \DateTime::createFromFormat('Y-m-d', $record['paid_to']);

                        $details['access'] = 'LABEL_PAY_PERIOD';

                        $details['paid_from'] = $dt_paid_from->format('d/m/Y');

                        $details['paid_to'] = $dt_paid_to->format('d/m/Y');

                        break;

                    case MicrolearningTopicUser::ACCESS_SUPENDED :

                        $dt_paid_from = \DateTime::createFromFormat('Y-m-d', $record['paid_from']);

                        $dt_paid_to = \DateTime::createFromFormat('Y-m-d', $record['paid_to']);

                        $details['access'] = 'LABEL_SUSPENDED';

                        $details['paid_from'] = $dt_paid_from->format('d/m/Y');

                        $details['paid_to'] = $dt_paid_to->format('d/m/Y');

                        break;

                    case MicrolearningTopicUser::ACCESS_CANCELLED :

                        $dt_paid_from = \DateTime::createFromFormat('Y-m-d', $record['paid_from']);

                        $dt_paid_to = \DateTime::createFromFormat('Y-m-d', $record['paid_to']);

                        $details['access'] = 'LABEL_CANCELLED';

                        $details['paid_from'] = $dt_paid_from->format('d/m/Y');

                        $details['paid_to'] = $dt_paid_to->format('d/m/Y');

                        break;

                }

                $item = [

                    'first_name' => $record['first_name'],

                    'last_name' => $record['last_name'],

                    'email' => $record['email'],

                    'details' => $details,

                ];

                array_push($items, $item);

            }

            return new JsonModel([

                'success' => true,

                'data' => [

                    'topic' => $topic->name,

                    'items' => $items,

                ]

            ]);

        } catch (\Exception $e) {

            $this->logger->err('Error in usersAction: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

     /**

     * Check if request is JSON

     * @param \Laminas\Http\Request $request

     * @return bool

     */

    private function isJsonRequest($request)

    {

        $headers = $request->getHeaders();

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

            return false;

        }

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

        $prioritized = $accept->getPrioritized();

        foreach ($prioritized as $value) {

            if (strpos(trim($value->getRaw()), 'json') !== false) {

                return true;

            }

        }

        return false;

    }

    /**

     * Handle JSON request for datatable

     * @param \LeadersLinked\Model\User $currentUser

     * @param \LeadersLinked\Model\Company $currentCompany

     * @return \Laminas\View\Model\JsonModel

     */

    private function handleJsonRequest($currentUser, $currentCompany)

    {

        try {

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

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

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

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

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

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

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

            $fields = ['name'];

            $orderField = isset($fields[$orderField]) ? $fields[$orderField] : 'name';

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

                $orderDirection = 'ASC';

            }

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

            $permissions = $this->getUserPermissions($acl, $currentUser);

            $topicMapper = MicrolearningTopicMapper::getInstance($this->adapter);

            $paginator = $topicMapper->fetchAllDataTableByCompanyId(

                $currentCompany->id,

                $search,

                $page,

                $recordsPerPage,

                $orderField,

                $orderDirection

            );

            $items = $this->prepareTopicItems($paginator->getCurrentItems(), $currentCompany, $permissions);

            $response = [

                'success' => true,

                'data' => [

                    'link_add' => $permissions['allowAdd'] ? $this->url()->fromRoute('microlearning/content/topics/add') : '',

                    'items' => $items,

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

                ]

            ];

            return new JsonModel($response);

        } catch (\Exception $e) {

            $this->logger->err('Error in handleJsonRequest: ' . $e->getMessage());

            return $this->createErrorResponse('ERROR_INTERNAL_SERVER_ERROR');

        }

    }

    /**

     * Handle HTML request for view

     * @param \LeadersLinked\Model\Company $currentCompany

     * @return \Laminas\View\Model\ViewModel

     */

    private function handleHtmlRequest($currentCompany)

    {

        $imageSize = $this->config['leaderslinked.image_sizes.microlearning_image_upload'];

        $marketplaceSize = $this->config['leaderslinked.image_sizes.marketplace'];

        $formAdd = new TopicAddForm($this->adapter, $currentCompany->id, $currentCompany->internal);

        $formEdit = new TopicEditForm($this->adapter, $currentCompany->id, $currentCompany->internal);

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

        $viewModel = new ViewModel();

        $viewModel->setTemplate('leaders-linked/microlearning-topics/index.phtml');

        $viewModel->setVariables([

            'formAdd' => $formAdd,

            'formEdit' => $formEdit,

            'company_uuid' => $currentCompany->uuid,

            'image_size' => $imageSize,

            'marketplace_size' => $marketplaceSize,

        ]);

        return $viewModel;

    }

    /**

     * Get user permissions for topic actions

     * @param \Laminas\Permissions\Acl\Acl $acl

     * @param \LeadersLinked\Model\User $currentUser

     * @return array

     */

    private function getUserPermissions($acl, $currentUser)

    {

        return [

            'allowAdd' => $acl->isAllowed($currentUser->usertype_id, 'microlearning/content/topics/add'),

            'allowEdit' => $acl->isAllowed($currentUser->usertype_id, 'microlearning/content/topics/edit'),

            'allowDelete' => $acl->isAllowed($currentUser->usertype_id, 'microlearning/content/topics/delete'),

            'allowUsers' => $acl->isAllowed($currentUser->usertype_id, 'microlearning/content/topics/users')

        ];

    }

    /**

     * Create error response

     * @param string $message

     * @return \Laminas\View\Model\JsonModel

     */

    private function createErrorResponse($message)

    {

        return new JsonModel([

            'success' => false,

            'data' => $message

        ]);

    }

     /**

     * Prepare topic items for datatable

     * @param array $records

     * @param \LeadersLinked\Model\Company $currentCompany

     * @param array $permissions

     * @return array

     */

    private function prepareTopicItems($records, $currentCompany, $permissions)

    {

        $items = [];

        $microlearningTopicUserMapper = MicrolearningTopicUserMapper::getInstance($this->adapter);

        $storage = Storage::getInstance($this->config, $this->adapter);

        $path = $storage->getPathMicrolearningTopic();

        foreach ($records as $record) {

            $totalUsers = $microlearningTopicUserMapper->fetchCountUsersByCompanyIdAndTopicId($currentCompany->id, $record->id);

            $totalUsersActive = $microlearningTopicUserMapper->fetchCountUsersActiveByCompanyIdAndTopicId($currentCompany->id, $record->id);

            $status = $this->getTopicStatus($record->status);

            $privacy = $this->getTopicPrivacy($record->privacy);

            $type = $this->getTopicType($record->type);

            $items[] = [

                'name' => $record->name,

                'details' => [

                    'status' => $status,

                    'privacy' => $privacy,

                    'type' => $type,

                    'cost' => $record->cost,

                    'total_users' => $totalUsers,

                    'total_users_active' => $totalUsersActive,

                ],

                'images' => [

                    'image' => $storage->getGenericImage($path, $record->uuid, $record->image),

                    'marketplace' => $storage->getGenericImage($path, $record->uuid, $record->marketplace)

                ],

                'actions' => $this->prepareTopicActions($record, $permissions, $totalUsers, $totalUsersActive)

            ];

        }

        return $items;

    }

        /**

     * Get topic status label

     * @param int $status

     * @return string

     */

    private function getTopicStatus($status)

    {

        switch ($status) {

            case MicrolearningTopic::STATUS_ACTIVE:

                return 'LABEL_ACTIVE';

            case MicrolearningTopic::STATUS_INACTIVE:

                return 'LABEL_INACTIVE';

            default:

                return '';

        }

    }

    /**

     * Get topic privacy label

     * @param int $privacy

     * @return string

     */

    private function getTopicPrivacy($privacy)

    {

        switch ($privacy) {

            case MicrolearningTopic::PRIVACY_PUBLIC:

                return 'LABEL_PUBLIC';

            case MicrolearningTopic::PRIVACY_PRIVATE:

                return 'LABEL_PRIVATE';

            default:

                return '';

        }

    }

    /**

     * Get topic type label

     * @param int $type

     * @return string

     */

    private function getTopicType($type)

    {

        switch ($type) {

            case MicrolearningTopic::TYPE_FREE:

                return 'LABEL_FREE';

            case MicrolearningTopic::TYPE_PRIVATE:

                return 'LABEL_PRIVATE';

            case MicrolearningTopic::TYPE_SELLING:

                return 'LABEL_SELLING';

            default:

                return '';

        }

    }

     /**

     * Prepare topic actions

     * @param \LeadersLinked\Model\MicrolearningTopic $record

     * @param array $permissions

     * @param int $totalUsers

     * @param int $totalUsersActive

     * @return array

     */

    private function prepareTopicActions($record, $permissions, $totalUsers, $totalUsersActive)

    {

        $editDeleteParams = ['id' => $record->uuid];

        return [

            'link_edit' => $permissions['allowEdit'] ? $this->url()->fromRoute('microlearning/content/topics/edit', $editDeleteParams) : '',

            'link_delete' => $permissions['allowDelete'] ? $this->url()->fromRoute('microlearning/content/topics/delete', $editDeleteParams) : '',

            'link_total_users' => $permissions['allowUsers'] && $totalUsers ?

                $this->url()->fromRoute('microlearning/content/topics/users', [

                    'topic_uuid' => $record->uuid,

                    'type' => 'all'

                ]) : '',

            'link_total_users_actives' => $permissions['allowUsers'] && $totalUsersActive ?

                $this->url()->fromRoute('microlearning/content/topics/users', [

                    'topic_uuid' => $record->uuid,

                    'type' => 'active'

                ]) : ''

        ];

    }

}