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Current File : /var/www/html/kalemon/module-old/B2cstudent/src/B2cstudent/Controller//B2cstudentController.php
<?php

/**
 * @desc used of this controller for attempt quiz by student
 * @author  Piron Corporation
 * @dev     Rizban Ahmad
 * @created on 03-05-2017
 * @updated on 23-05-2017 (SAIF)
 */

namespace B2cstudent\Controller;

use Zend\Form\FormInterface;
use Zend\Db\TableGateway\TableGateway;
use Zend\Authentication\Storage\Session;
use Zend\Session\Container;
use Zend\View\Model\JsonModel;
use Zend\View\Model\ViewModel;
use B2cstudent\Form\StudentquizForm;
use B2cstudent\Model\StudentQuizInputFilter;
use Secure\Model\Grade\GradeTable;
use Secure\Model\Admgrade\AdmgradeTable;
// forms
use Assessment\Form\QuestionMultipleAnswerForm;
use Assessment\Form\QuestionMultipleChoiceForm;
// filters
use Assessment\Model\MultipleAnswerInputFilter;
use Assessment\Model\MultipleChoiceInputFilter;
use Checkondispatch\Custom\AbstractSecureController;
use B2cstudent\Controller\Plugin\QuestionValidationPlugin;
use Zend\Math\Rand;
use Zend\Json\Json;
use Aws\Sdk;

class B2cstudentController extends AbstractSecureController {

    private $emptyMsg;   
    /**
     * @desc used of this action for render listing of test
     */
    public function indexAction() {
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);

        $_SESSION['ass']='';
        $_SESSION['url']='';
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $gradeId = $this->params('id');
        $userId = !empty($requestData['USER_OID']) ? $requestData['USER_OID'] : $this->container->authDetail['USER_OID'];
        
        $request = $this->getRequest();
        $requestData = $request->getPost()->toArray();
        $requestData['USER_OID'] = $studentId;
        $gradeId = !empty($gradeId) ? $gradeId : null;
        $graded_test = $placement_test = [];
        $returnData = $this->getTestListing($requestData);
        
        if ($this->getRequest()->isXmlHttpRequest()) {
            $jsonModel = new JsonModel();
            $jsonModel->setVariables(array(
                'responseData' => $returnData
            ));
            return $jsonModel;
        }

        $graded_test = $returnData['graded_test'];
//        $placement_test = $returnData['placement_test'];
        
        if (!empty($gradeId)) {
            $createQuizTable = $this->initTable('Assessment\Model\CreateQuizTable');
            $gradeDetail = $createQuizTable->fetchData('t_cm_mgr_grade', ['GRADE_ID' => $gradeId], ['GRADE_ID', 'GRADE_NAME'], null, false);
            $placement_test = $createQuizTable->getPlcTestListWithGrade($gradeId, $userId);
        }

        $viewModel->setVariables([
            'gradedTestData' => $graded_test,
            'plcTestData' => $placement_test,
            'gradeDetail' => $gradeDetail,
            'studentId' => $studentId,
            'student_id' => $id,
            'gradeId' => $gradeId
        ]);

        return $viewModel;
    }

    public function quizAction() {
        $_SESSION['ass']='';
        $_SESSION['url']='';
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $session=$this->container->authDetail;
        $translator = $this->getServiceLocator()->get('translator');
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $request = $this->getRequest();
        $requestData = $request->getPost()->toArray();
        $requestData['USER_OID'] = $studentId;
        $requestData['test_type'] =(!empty($this->params()->fromQuery('test_type'))) ? $this->params()->fromQuery('test_type') : ''; // for Only FT Test
        
        $filtertext=$translator->translate("Filter");
        if($requestData['test_type']=='GT')
        {
            $filtertext=$translator->translate("Formative Test");
        }
         if($requestData['test_type']=='ST')
        {
            $filtertext=$translator->translate("Summative Test");
        }
         if($requestData['test_type']=='FT')
        {
            $filtertext=$translator->translate("Final Test");
        }
        $graded_test = $placement_test = [];
        $returnData = $this->getTestListing($requestData);
        $roleid=$this->container->authDetail['UT_ID'];
        
//        if ($roleid==1 || $roleid==3) {
//            $dbadapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter');
//            $this->db = new AdmgradeTable($dbadapter);
//            $grades = $this->db->getAllGrade($requestData['USER_OID']);
//       }
        if ($this->getRequest()->isXmlHttpRequest()) {
            $jsonModel = new JsonModel();
            $jsonModel->setVariables(array(
                'responseData' => $returnData,
                
            ));
            return $jsonModel;
        }
        $graded_test = $returnData['graded_test'];
        $viewModel->setVariables([
            'gradedTestData' => $graded_test,
            'studentId' =>$studentId,
            'student_id' => $id,
            'session'=>$session,
            'filtertext'=>$filtertext
        ]);

        return $viewModel;
    }
    
     /**
     * @desc used of this function for open popup dynamically
     * @return render page
     */
    public function openPopupAction() {
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $requestData = $this->getRequest()->getQuery()->toArray();
        $translator = $this->getServiceLocator()->get('translator');
        $viewModel = $this->AssessmentPlugin()->openPopUp($viewModel, $requestData);
        $fileName = $requestData['file'];
        if (isset($requestData['QUIZ_ID'])) {
            $QUIZ_ID = $requestData['QUIZ_ID'];
        }
        if (isset($requestData['id'])) {
            $QUIZ_ID = $requestData['id'];
        }
        if ($fileName == 'popup_quizattemp') {
            $utId = $this->container->authDetail['UT_ID'];
            $type = isset($requestData['quiz_type'])? $requestData['quiz_type'] : '';
            $gradeId = isset($requestData['gradeId'])? $requestData['gradeId'] : '';
            $studentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
            $res = $studentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $requestData['QUIZ_ID'], 'USER_OID' => $requestData['USER_OID']], array('*'), "CREATED_DATE Desc", true);	
            $viewModel->setVariables(['result' => $res, 'utId' => $utId, 'type'=>$type, 'gradeId'=>$gradeId]);

            return $viewModel;
        } else {
            $viewModel->setVariables(['quizId' => (!empty($QUIZ_ID)) ? $QUIZ_ID : 0]);
            return $viewModel;
        }
    }

    /**
     * @desc used of this action to get listing of test
     * @param $requestData array
     * @return $assessmentData array
     */
    public function getTestListing($requestData = array()) {
        $config = $this->getServiceLocator()->get('config');
        $graded_test = $placement_test = [];
        $userId = !empty($requestData['USER_OID']) ? $requestData['USER_OID'] : $this->container->authDetail['USER_OID'];
        $testType = !empty($requestData['test_type']) ? $requestData['test_type'] : '';
        $requestData['START'] = 0;
        $requestData['LENGTH'] = $config["RECORDS_PER_PAGE"];
        $requestData['sortColumn'] = (isset($requestData['sortColumn']) && !empty($requestData['sortColumn'])) ? $requestData['sortColumn'] : "QUIZ_ID";
        $requestData['sortType'] = ( isset($requestData['sortType']) && !empty($requestData['sortType'])) ? $requestData['sortType'] : "ASC";
        $requestData['UT_ID'] = $this->container->authDetail['UT_ID'];

        $createQuizTable = $this->initTable('Exam\Model\CreateQuizTable');

        if ($this->getRequest()->isXmlHttpRequest()) { 
            $requestData['START'] = !empty($requestData['start']) ? $requestData['start'] : 0;

            $htmlViewPart = new ViewModel();
            $roleid=$this->container->authDetail['UT_ID'];
                if(empty($testType)){
                    $assessmentData = $createQuizTable->getAllTypeTestList($requestData);
                }else{
                    $assessmentData = $createQuizTable->getfinalTestList($requestData);
                }
                $htmlViewPart->setTerminal(true)
                        ->setTemplate('b2cstudent/b2cstudent/list_gt_test.phtml')
                        ->setVariables(array('gradedTestData' => $assessmentData, 'studentId' => $userId,));
            
            return $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($htmlViewPart);
        }

        if(empty($testType)){
           $graded_test = $createQuizTable->getAllTypeTestList($requestData);
        }else{
           $graded_test = $createQuizTable->getfinalTestList($requestData);
        }

        
        $assessmentData = [
            'graded_test' => $graded_test
        ];
        return $assessmentData;
    }

    /*
     * @desc    Used to display quest player with ques details (1)
     * @param   int     $quesId
     * @return  html    $htmlOutput
     */

    public function assessmentDetailAction() { 
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $passingPercent = 0;
        if (empty($this->container->authDetail['USER_OID'])) {
            return $this->returnBasePath();
        }
        // This session variable has been used to unset attemped question in session
        unset($_SESSION['attempt']); // DO NOT REMOVE
        $assessmentData = array();
        $this->CommonClass()->setCustomLayout($this, 'assessmentDetailLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $lession_plan_id = ($this->params('lp_id') !== null) ? $this->params('lp_id') : '';
        $request = $this->getRequest();
        $queryStringData = $request->getQuery()->toArray();
        if (!empty($testId)) { // if any id was passed in URL
            $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable'); 
          
            $uniqid = uniqid();
            $postData = array(
                'QUIZ_ATTEMPT_ID' => $uniqid,
                'QUIZ_ID' => $testId,
                'CREATED_DATE' => date("Y-m-d H:i:s"),
                'IS_PASS' => 'N',
                'SCORE' => 0,
                'USER_OID' => $this->container->authDetail['USER_OID'],
                'passingPercent'=>$passingPercent
            );
            
            $StudentTable->saveAttempts($postData);
            $quiz_attempt_id = $uniqid;

            $this->container->authDetail['QUIZ_ATTEMPT_ID'] = $uniqid;
            $localQuesArr = [];
            
            // get how many remaining local db questions are in this test
            $localQuesInTest = $StudentTable->getLocalQuesForthisTest($testId);
            $allQuesIdsInTestArray = $StudentTable->getAllQuesIdsInTest($testId);
            if (!empty($allQuesIdsInTestArray)) {
                $allQuesIdsInTest = [];
                foreach ($allQuesIdsInTestArray as $quesElement) {
                    $allQuesIdsInTest[] = $quesElement;
                }
            }
            if (!empty($localQuesInTest)) {
                foreach ($localQuesInTest as $ques) {
                    $localQuesArr[] = $ques;
                }
            }
            
            $testDetails = $StudentTable->getAssessmentDetails($testId);
            $totalMarks = 0;
            if (!empty($localQuesArr)) {
                foreach ($localQuesArr as $ques) {
                    $totalMarks += $ques['QUS_MARK'];
                }
            }
            
            if (!empty($testDetails)) { // if test found in db
                $quesCount = !empty($localQuesArr) ? count($localQuesArr) : 0;
                $firstquesId = !empty($allQuesIdsInTest) ? $allQuesIdsInTest[0]['QUS_ID'] : 0;
               	$firstquesDetails = @$localQuesArr[0];
                $htmlOutput = '';
                if ($firstquesId)
                $htmlOutput = $this->renderQues($firstquesDetails, $testId);
                // get assessment listing
                $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
                $TestCont_Id = $StudentTable->fetchData('t_b2c_master_test', array('QUIZ_ID' => $testId), array('CONT_ID'), null, false);

                $LpIdByContentId = $StudentTable->getLessonplanIdByContentId($TestCont_Id->CONT_ID);

                $condArr['LP_ID'] = $LpIdByContentId;
                $dbadapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter');
                $assessmentData = $this->getTestListing();
                $viewModel->setVariables(array(
                    'responseData' => $htmlOutput,
                    'quesCount' => $quesCount,
                    'quesIdsArray' => @$allQuesIdsInTest,
                    'testId' => $testId,
                    "contentId" => $TestCont_Id->CONT_ID,
                    'quesId' => $firstquesId,
                    'assessmentData' => $assessmentData,
                    'testDetails' => $testDetails,
                    'totalMarks' => $totalMarks,
                    'student_id' => $id,
                    'lession_plan_id' => $lession_plan_id,
                    'quiz_attempt_id' => $quiz_attempt_id,
                    'passingPercent'=>$passingPercent
                ));

                return $viewModel;
            } else { // else redirect to listing page
                if (!empty($id)) {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
                } else {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'));
                }
            }
        } else { // else redirect to listing page
            if (!empty($id)) {
                return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('users', array('action' => 'grade'));
            }
        }
    }

    /**
     * @desc Used to display review page to student,after submit question on ques player  (Step 2.1)
     * @return url (redirection)
     */
    public function assessmentReviewAction() {
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $unanswer = (!empty($this->params()->fromQuery('unanswer'))) ? $this->params()->fromQuery('unanswer') : "";
        $attemtId = (!empty($this->params()->fromQuery('attemptId'))) ? $this->params()->fromQuery('attemptId') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $lesson_plan_id = ($this->params('lp_id') !== null) ? $this->params('lp_id') : '';
        /** empty attempted question array after finishes the test. */
        unset($_SESSION['attempt']);
        /** if any id was passed in URL */
        if (!empty($testId)) {
            $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
            $quizAttemptId = $StudentTable->getQuizAttemptIdDetails($testId, $studentId, $attemtId);
            $localQuesArr = [];
            
            /** get how many remaining local db questions are in this test */
            $localQuesInTest = $StudentTable->getLocalQuesForthisTest($testId);
            $allQuesIdsInTest = $StudentTable->getAllQuesIdsInTest($testId);
            if (!empty($localQuesInTest)) {
                foreach ($localQuesInTest as $ques) {
                    $localQuesArr[] = $ques;
                }
            }

            $testDetails = $StudentTable->getAssessmentDetails($testId);

            /** if test found in Local DB */
            if (!empty($testDetails)) {
                $quesCount = count($localQuesArr);
                $viewModel->setVariables(array(
                    'quesCount' => $quesCount,
                    'questionsInTest' => $localQuesArr,
                    'testId' => $testId,
                    'lesson_plan_id' => $lesson_plan_id,
                    'testDetails' => $testDetails,
                    'student_id' => $id,
                    'quizAttemptId' => $quizAttemptId,
                    'unanswer' => $unanswer,
                    'ut_id' => $this->container->authDetail['UT_ID']
                ));
                return $viewModel;
            } else {
                /** else redirect to listing page */
                if (!empty($id)) {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
                } else {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'));
                }
            }
        } else {
            /** else redirect to listing page */
            if (!empty($id)) {
                return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('users', array('action' => 'grade'));
            }
        }
    }

    /**
     * @desc Used to display feedback page to student, after submit questions on ques player (If Quiz Type is PT) (Step 2.2).
     * @return JsonModel
     */
        public function assessmentFeedbackAction() {
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];

        if (empty($this->container->authDetail['USER_OID'])) {
            return $this->returnBasePath();
        }

        $this->CommonClass()->setCustomLayout($this, 'quizPlayerLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $request = $this->getRequest();
        $queryStringData = $request->getQuery()->toArray();
        $levelDetails = $contentFromTebian = $questionCategoryData = $returnTestNLevelIdArray = array();
        $quiz_type = $level_id = '';
        $postData = $request->getPost()->toArray();
        $levelDetails = array();
        $contentFromTebian = array();
        $questionCategoryData = array();
        $quiz_type = '';
        $level_id = '';
        $isLevelCleared = false;
        $get_content_types = [];
        /** empty attempted question array after finishes the test. */
        unset($_SESSION['attempt']);

        if (!empty($testId) && !empty($queryStringData['quiz_type']) && !empty($queryStringData['level_id'])) {
            $quiz_type = $queryStringData['quiz_type'];
            $level_id = $queryStringData['level_id'];
            $levelDetails = $StudentTable->getLevelDetails($level_id);
            $getAttemptDetails = $StudentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $testId, 'USER_OID' => $studentId], ['*'], "CREATED_DATE Desc");
            $isPass = '';
            foreach ($getAttemptDetails as $attempts) {
                if ($attempts['IS_PASS'] == 'Y') {
                    $isPass = $attempts['IS_PASS'];
                    $isLevelCleared = true;
                    break;
                }
            }

            /** get how many questionn are in this test */
            $questionIdsInTest = $StudentTable->getApiQuesIdsForthisTest($testId);
            $assApiQuestions = [];
            if (count($questionIdsInTest)) {
                foreach ($questionIdsInTest as $qs) {
                    $assApiQuestions[] = $qs['QUS_ID'];
                }
            }
            $testDetails = $StudentTable->getAssessmentDetails($testId);

            if ($isPass == 'Y' || !empty($this->container->studentQuizResponse)) {
                /** checking that if student gain passing percentage */
                if (!empty($this->container->studentQuizResponse)) {
                    $quizResult = $this->container->studentQuizResponse;
                    $obtainPercentage = ($quizResult['obtainedMarks'] * 100) / $quizResult['totalMarks'];
                    if ($obtainPercentage >= $quizResult['passingPercent']) {
                        $isLevelCleared = true;
                    }
                }
            } else {
                $isLevelCleared = false;
                $quizResult['storeUserResponseJson'] = '';
            }

            if ($isLevelCleared) {
                /**
                 * This block is for Next Level Quiz id, if user cleared First Level test
                 */
                $returnTestNLevelIdArray = $this->getNextTestAndLevelId($level_id); // pass current level id 
            } else {
                $isLevelCleared = false;

                /**
                 * if student did not passed this level`s test, then display reference content from Tebian API.
                 * but before this we need to find topic ids linked with questions of this Test.
                 */
                //get topic id for assessment questions from API 
                //$quesCategoryIds = $StudentTable->getQuestionTopicByQusIds($questionIdsInTest);
				//echo '<pre>';print_r($assApiQuestions);die;
                $quesCategoryIds = $this->getTopicsFromAssessment(implode(",", $assApiQuestions)); // from api
				/**
                 * Fetched categories to used as Facet Filters only for Failed Questions.
                 */
                $failedQuesCatIds = array();
                $failedQuesIds = array();
                $apiFailedQuesIds = array();
                if (empty(json_decode($quizResult['storeUserResponseJson']))) {
                    $failedQuesCatIds = $quesCategoryIds;
                } else {
                    $quesAttemptedArray = json_decode($quizResult['storeUserResponseJson']);
                    foreach ($quesAttemptedArray as $quesAttempt) {
                        if (!$quesAttempt->QUES_STATUS || empty($quesAttempt->QUES_STATUS)) {
                            array_push($failedQuesIds, $quesAttempt->QUS_ID);
                        }
                    }
                    //$failedQuesCatIds = $StudentTable->getQuestionTopicByQusIds($failedQuesIds);										
                    foreach ($failedQuesIds as $failedQuId) {
                        if (in_array($failedQuId, $assApiQuestions)) {
                            $apiFailedQuesIds[] = $failedQuId;
                        }
                    }
                    if(!empty($apiFailedQuesIds)) {
                        $failedQuesCatIds = $this->getTopicsFromAssessment(implode(",", $apiFailedQuesIds)); // from api
                    }
                }
                $questionCategoryData = @$this->getSubjectUnitTopicByTopicID(implode(',', $failedQuesCatIds));
                $content_types = $this->getContentTypesFromTebian();
                if (count($content_types)) {
                    foreach ($content_types as $conttypes_key => $conttypes_data) {
                        $get_content_types[$conttypes_data['CONTTYPE_ID']] = $conttypes_data['CONT_TYPE'];
                    }
                }
				//echo '<pre>';print_r($quesCategoryIds);die;
                $contentFromTebian = @$this->getContentFromTebian(implode(",", $apiFailedQuesIds));
				
                /** If request comes from AJAX (in case of searching or filters) */
                if ($request->isXmlHttpRequest()) {
                    $contentFromTebian = [];
                    $content_type = isset($postData['CONTTYPE_ID']) ? $postData['CONTTYPE_ID'] : '';
                    $quesCategoryIds = !empty($postData['TOPIC_IDS']) ? explode(',', substr($postData['TOPIC_IDS'], 0, -1)) : $quesCategoryIds;
                    $contentFromTebianAPI = $this->getContentFromTebian(implode(",", $quesCategoryIds));
                    if (count($contentFromTebianAPI) && !empty($content_type)) {
                        foreach ($contentFromTebianAPI as $content_data) {
                            if ($content_data['CONTTYPE_ID'] == $content_type) {
                                $contentFromTebian[] = $content_data;
                            }
                        }
                    } else {
                        $contentFromTebian = $contentFromTebianAPI;
                    }

                    $viewModel->setTerminal(true)
                            ->setTemplate('student/student/render_feedback_content.phtml')
                            ->setVariables(['contentFromTebian' => $contentFromTebian]);
                    $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
                    $jsonModel = new JsonModel();
                    $jsonModel->setVariables(array(
                        'html' => $htmlOutput
                    ));
                    return $jsonModel;
                }                
            }

            $viewModel->setVariables(array(
                'testId' => $testId,
                'testDetails' => $testDetails,
                'levelDetails' => $levelDetails,
                'quiz_type' => $quiz_type,
                'level_id' => $level_id,
                'test_result' => !empty($quizResult) ? $quizResult : "",
                'isLevelCleared' => $isLevelCleared,
                'contentFromTebian' => $contentFromTebian,
                'questionCategoryData' => $questionCategoryData,
                'getAttemptDetails' => $getAttemptDetails,
                'getContentTypes' => $get_content_types,
                'returnTestNLevelIdArray' => $returnTestNLevelIdArray,
                'student_id' => $id
            ));

            return $viewModel;
        } else {
            if (!empty($id)) {
                return $this->redirect()->toRoute('grade', array('action' => 'index'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('grade', array('action' => 'index'));
            }
        }
    }
	
    /**
     * @desc Used to display negative feedback and related content page to student, after submit questions on ques player (If Quiz Type is PT)
     * @return JsonModel
     */
    public function assessmentReferenceContentAction() {
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];

        if (empty($this->container->authDetail['USER_OID'])) {
            return $this->returnBasePath();
        }

        $this->CommonClass()->setCustomLayout($this, 'quizPlayerLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $request = $this->getRequest();
        $queryStringData = $request->getQuery()->toArray();
        $levelDetails = $contentFromTebian = $questionCategoryData = $returnTestNLevelIdArray = array();
        $quiz_type = $level_id = '';
        $postData = $request->getPost()->toArray();
        $levelDetails = array();
        $contentFromTebian = array();
        $questionCategoryData = array();
        $quiz_type = '';
        $level_id = '';
        $isLevelCleared = false;
        $get_content_types = [];
        /** empty attempted question array after finishes the test. */
        unset($_SESSION['attempt']);

        if (!empty($testId) && !empty($queryStringData['quiz_type']) && !empty($queryStringData['level_id'])) {
            $quiz_type = $queryStringData['quiz_type'];
            $level_id = $queryStringData['level_id'];
            $levelDetails = $StudentTable->getLevelDetails($level_id);
            $getAttemptDetails = $StudentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $testId, 'USER_OID' => $studentId], ['*'], "CREATED_DATE Desc");
            $isPass = '';
            foreach ($getAttemptDetails as $attempts) {
                if ($attempts['IS_PASS'] == 'Y') {
                    $isPass = $attempts['IS_PASS'];
                    $isLevelCleared = true;
                    break;
                }
            }

            /** get how many questionn are in this test */
            $questionIdsInTest = $StudentTable->getApiQuesIdsForthisTest($testId);
            $assApiQuestions = [];
            if (count($questionIdsInTest)) {
                foreach ($questionIdsInTest as $qs) {
                    $assApiQuestions[] = $qs['QUS_ID'];
                }
            }
            $testDetails = $StudentTable->getAssessmentDetails($testId);

            if ($isPass == 'Y' || !empty($this->container->studentQuizResponse)) {
                /** checking that if student gain passing percentage */
                if (!empty($this->container->studentQuizResponse)) {
                    $quizResult = $this->container->studentQuizResponse;
                    $obtainPercentage = ($quizResult['obtainedMarks'] * 100) / $quizResult['totalMarks'];
                    if ($obtainPercentage >= $quizResult['passingPercent']) {
                        $isLevelCleared = true;
                    }
                }
            } else {
                $isLevelCleared = false;
                $quizResult['storeUserResponseJson'] = '';
            }

            if ($isLevelCleared) {
                /**
                 * This block is for Next Level Quiz id, if user cleared First Level test
                 */
                $returnTestNLevelIdArray = $this->getNextTestAndLevelId($level_id); // pass current level id 
            } else {
                $isLevelCleared = false;

                /**
                 * if student did not passed this level`s test, then display reference content from Tebian API.
                 * but before this we need to find topic ids linked with questions of this Test.
                 */
                //get topic id for assessment questions from API 
                //$quesCategoryIds = $StudentTable->getQuestionTopicByQusIds($questionIdsInTest);
                $quesCategoryIds = $this->getTopicsFromAssessment(implode(",", $assApiQuestions)); // from api
                $contentFromTebian = @$this->getContentFromTebian(implode(",", $quesCategoryIds));
                /** If request comes from AJAX (in case of searching or filters) */
                if ($request->isXmlHttpRequest()) {
                    $contentFromTebian = [];
                    $content_type = isset($postData['CONTTYPE_ID']) ? $postData['CONTTYPE_ID'] : '';
                    $quesCategoryIds = !empty($postData['TOPIC_IDS']) ? explode(',', substr($postData['TOPIC_IDS'], 0, -1)) : $quesCategoryIds;
                    $contentFromTebianAPI = $this->getContentFromTebian(implode(",", $quesCategoryIds));
                    if (count($contentFromTebianAPI) && !empty($content_type)) {
                        foreach ($contentFromTebianAPI as $content_data) {
                            if ($content_data['CONTTYPE_ID'] == $content_type) {
                                $contentFromTebian[] = $content_data;
                            }
                        }
                    } else {
                        $contentFromTebian = $contentFromTebianAPI;
                    }

                    $viewModel->setTerminal(true)
                            ->setTemplate('student/student/render_feedback_content.phtml')
                            ->setVariables(['contentFromTebian' => $contentFromTebian]);
                    $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
                    $jsonModel = new JsonModel();
                    $jsonModel->setVariables(array(
                        'html' => $htmlOutput
                    ));
                    return $jsonModel;
                }
                /**
                 * Fetched categories to used as Facet Filters only for Failed Questions.
                 */
                $failedQuesCatIds = array();
                $failedQuesIds = array();
                $apiFailedQuesIds = array();
                if (empty(json_decode($quizResult['storeUserResponseJson']))) {
                    $failedQuesCatIds = $quesCategoryIds;
                } else {
                    $quesAttemptedArray = json_decode($quizResult['storeUserResponseJson']);
                    foreach ($quesAttemptedArray as $quesAttempt) {
                        if (!$quesAttempt->QUES_STATUS || empty($quesAttempt->QUES_STATUS)) {
                            array_push($failedQuesIds, $quesAttempt->QUS_ID);
                        }
                    }
                    //$failedQuesCatIds = $StudentTable->getQuestionTopicByQusIds($failedQuesIds);										
                    foreach ($failedQuesIds as $failedQuId) {
                        if (in_array($failedQuId, $assApiQuestions)) {
                            $apiFailedQuesIds[] = $failedQuId;
                        }
                    }
                    if(!empty($apiFailedQuesIds)) {
                        $failedQuesCatIds = $this->getTopicsFromAssessment(implode(",", $apiFailedQuesIds)); // from api
                    }
                }
                $questionCategoryData = @$this->getSubjectUnitTopicByTopicID(implode(',', $failedQuesCatIds));
                $content_types = $this->getContentTypesFromTebian();
                if (count($content_types)) {
                    foreach ($content_types as $conttypes_key => $conttypes_data) {
                        $get_content_types[$conttypes_data['CONTTYPE_ID']] = $conttypes_data['CONT_TYPE'];
                    }
                }
            }

            $viewModel->setVariables(array(
                'testId' => $testId,
                'testDetails' => $testDetails,
                'levelDetails' => $levelDetails,
                'quiz_type' => $quiz_type,
                'level_id' => $level_id,
                'test_result' => !empty($quizResult) ? $quizResult : "",
                'isLevelCleared' => $isLevelCleared,
                'contentFromTebian' => $contentFromTebian,
                'questionCategoryData' => $questionCategoryData,
                'getAttemptDetails' => $getAttemptDetails,
                'getContentTypes' => $get_content_types,
                'returnTestNLevelIdArray' => $returnTestNLevelIdArray,
                'student_id' => $id
            ));

            return $viewModel;
        } else {
            if (!empty($id)) {
                return $this->redirect()->toRoute('grade', array('action' => 'index'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('grade', array('action' => 'index'));
            }
        }
    }

    /*
     * @desc Used to display report page to student,after reviewing ques by student (Step 3) 
     */

    public function assessmentReportAction() {
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $attemtId = (!empty($this->params()->fromQuery('attemptId'))) ? $this->params()->fromQuery('attemptId') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        //$tesid is a quiz id
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $lesson_plan_id = ($this->params('lp_id') !== null) ? $this->params('lp_id') : ((!empty($this->params()->fromQuery('lessonplanid'))) ? $this->params()->fromQuery('lessonplanid') : "");
        $cameFrom = (!empty($this->params()->fromQuery('quiz_type'))) ? $this->params()->fromQuery('quiz_type') : "";
        $lastAttemptArr = $StudentTable->getQuizAttemptIdDetails($testId, $studentId, $attemtId);
        $testDetails = $StudentTable->getAssessmentDetails($testId);
        $quizAttemptId = '';
        
        $data = array();
        if (!empty($lastAttemptArr)) {
            $quizAttemptId = $lastAttemptArr['QUIZ_ATTEMPT_ID'];
            $data = $this->getUserResponseWithAttemptId($quizAttemptId);
        }
        // if any id was passed in URL  
        if (!empty($testId)) {
            if (!empty($data)) {
                $viewModel->setVariables(array(
                    'testId' => $testId,
                    'lastAttemptArr' => $lastAttemptArr,
                    'student_id' => $studentId,
                    'dynamodbdata' => $data,
                    'testDetails' => $testDetails,
                    'quizAttemptId' => $quizAttemptId,
                    'lessonplanid'=>$lesson_plan_id,
                    'cameFrom'=>$cameFrom
                ));
                return $viewModel;
            } else { 
                /** else redirect to listing page */
                if (!empty($id)) {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
                } else {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'));
                }
            }
        } else {
            /** else redirect to listing page */
            if (!empty($id)) {
                return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('users', array('action' => 'grade'));
            }
        }
    }

    /*
     * @desc Used to display detail of any single assessment/test/quiz to student (4)
     */

    public function assessmentResponseAction() {        
        $attemtId = (!empty($_GET['attemptId'])) ? $_GET['attemptId'] : "";
        $id = (!empty($_GET['studentId'])) ? $_GET['studentId'] : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $cameFrom = (!empty($this->params()->fromQuery('quiz_type'))) ? $this->params()->fromQuery('quiz_type') : "";
        $lesson_plan_id = ($this->params('lp_id') !== null) ? $this->params('lp_id') : ((!empty($_GET['lessonplanid'])) ? $_GET['lessonplanid'] : 0);
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $gradeTable = $this->initTable('Secure\Model\Admgrade\AdmgradeTable');
        
        $isLevelCleared = false;
        $levelDetails = $returnTestNLevelIdArray = array();
        $utId = $this->container->authDetail['UT_ID'];
        if (!empty($testId)) { // if any id was passed in URL            
            $testDetails = $StudentTable->getAssessmentDetails($testId);
            
            if (!empty($this->container->authDetail['QUIZ_ATTEMPT_ID']) && $attemtId=='') {
                $attemtId = $this->container->authDetail['QUIZ_ATTEMPT_ID'];
            }
            $datetime = $StudentTable->quizdatebyId($attemtId);
            $data = $this->getUserResponseWithAttemptId($attemtId);
            $correctPercent = $gradeTable->getTestCorrectnessNumberByQuizId($attemtId);
            $wrongPercent = (1 - $correctPercent) * 100;
            if (!empty($testDetails)) { // if test found in db
                $viewModel->setVariables(array(
                    'dynamodbdata' => $data,
                    'quiz_attempt_id' => $attemtId,
                    'datetime' => $datetime,
                    'studentId' => $studentId,
                    'ut_id'=>$this->container->authDetail['UT_ID'],
                    'QUIZ_ID'=>$testId,
                    'lesson_plan_id'=>$lesson_plan_id,
                    'wrongPercent' => $wrongPercent,
                    'utId' => $utId,
                    'cameFrom'=>$cameFrom
                ));
                return $viewModel;
            } else { // else redirect to listing page
                if (!empty($id)) {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
                } else {
                    return $this->redirect()->toRoute('users', array('action' => 'grade'));
                }
            }
        } else { // else redirect to listing page
            if (!empty($id)) {
                return $this->redirect()->toRoute('users', array('action' => 'grade'), array('query' => array('student_id' => $id)));
            } else {
                return $this->redirect()->toRoute('users', array('action' => 'grade'));
            }
        }
    }

    /*
     * @desc    Used to render html of question as per ques type
     * @param   int     $quesId
     * @return  html    $htmlOutput
     */

    private function renderQues($questionDetails, $testId) {
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $htmlOutput = '';
        if (!empty($questionDetails)) {
            $type = @$questionDetails['QUS_TYPE'];
            switch ($type) {
                case 1: //ESSAY
                    $htmlOutput = $this->questionEssay($questionDetails, $testId);
                    break;
                case 2: //FILL_IN_BLANK
                    $htmlOutput = $this->questionFillInTheBlank($questionDetails, $testId);
                    break;
                case 3: //HOTSPOT
                    $htmlOutput = $this->questionHotSpot($questionDetails, $testId);
                    break;
                case 4: //MATCHING
                    $questionDetails['QUS_OPTION'] = Json::decode($questionDetails['QUS_OPTION']);
                    $htmlOutput = $this->questionMatching($questionDetails, $testId);
                    break;
                case 5: // MCQ_SINGLE
                case 6: // MCQ_MULTIPLE
                    if ($type == 5) {
                        $htmlOutput = $this->questionMCQSingle($questionDetails, $testId);
                    } else {
                        $htmlOutput = $this->questionMCQMultiple($questionDetails, $testId);
                    }
                    break;
                case 7: //ORDERING
                    $htmlOutput = $this->questionOrdering($questionDetails, $testId);
                    break;
                case 8: //TRUE_FALSE
                    $htmlOutput = $this->questionTrueFalse($questionDetails, $testId);
                    break;
                case 9: //JUMBLE_WORD
                    $htmlOutput = $this->questionJumbleWord($questionDetails, $testId);
                    break;
                case 10: //PICK_FROM_LIST
                    $htmlOutput = $this->questionPickFromList($questionDetails, $testId);
                    break;
                case 11: //drag drop
                    $htmlOutput = $this->questionDragDrop($questionDetails, $testId);
                    break;
                default:
                    $htmlOutput = '';
                    break;
            }
        }
        return $htmlOutput;
    }

    /**
     * @desc Used to render HTML of questions as AJAX request from question-player.
     * @return ViewModel | HTML
     */
    public function renderNextQuesAction() {
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $request = $this->getRequest();
        $data = $request->getPost()->toArray();
        $htmlOutput = '';
        $nextQuesId = 0;
        $questionDetails = array();
        $allQuesIdsInTest = $StudentTable->getAllQuesIdsInTest($data['testId']);

        /** if request comes from circle at right panel on question-player. */
        if (!empty($data['circleId'])) {
            $nextQuesId = $data['id'];
        } else {
            /** if request comes from next button at top bar on question-player. */
            $nextQuesIdArray = $StudentTable->getNextQuestionId($data['id'], $data['testId']);
           
        }
        if (!empty($nextQuesIdArray)) {
            
                $questionDetails = $StudentTable->getQuestionDetailsById($nextQuesIdArray, $data['testId']);
                $nextQuesId = $nextQuesIdArray;
            
        } else if ($nextQuesId) { /** if request comes from circle at right panel on question-player for flagged question. */
            /** if next question comes from local. */
            $questionDetails = $StudentTable->getQuestionDetailsById($nextQuesId, $data['testId']);
            $nextQuesId = $nextQuesId; 
        } else {
            $result = false;
        }
        $ques_marks = 0;
        $htmlOutput = $this->renderQues($questionDetails, $data['testId']);
        if (!empty($htmlOutput)) {
            $result = true;
        } else {
            $result = false;
        }
        $quesMarkArray = $StudentTable->fetchData('t_b2c_mgr_test_question', array('QUZ_ID' => $data['testId'], 'QUS_ID' => $data['id']), array('QUS_MARK'), null, false);
        $ques_marks = $quesMarkArray->QUS_MARK;
        $viewModel->setVariables(array(
            'htmlOutput' => $htmlOutput,
            'quesId' => $nextQuesId,
            'result' => $result,
            'QUES_MARKS' => $ques_marks
        ));
        return $viewModel;
    }

    /**
     * @desc used of this action to store user response for whole Test from ques player
     */
    public function submitQuizAction() {
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $result = ['status' => false, 'message' => 'Test was not submitted'];
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $request = $this->getRequest();
        $postData = $request->getPost()->toArray();
        if ($postData['levelId']) {
            $testType = 'PT';
        } else {
            $testType = 'GT';
        }
        $testCorrectness = $StudentTable->getCorrectnessForThisTest($postData['testId']);
        $testCutscore = $StudentTable->fetchData('t_b2c_master_test', ['QUIZ_ID' => $postData['testId']], ['CUT_SCORE'], null, false);            
        if ($request->isXmlHttpRequest()) {
            $this->container->studentQuizResponse = $postData;
            // need to calculate obtained marks here
            $storeUserResponseJson = json_decode($postData['storeUserResponseJson'], true);
            if (!empty($storeUserResponseJson)) {
                $obtainedMarks = 0;
                foreach ($storeUserResponseJson as $quesDetails) {
                    if ($quesDetails['QUES_STATUS']) {
                        $obtainedMarks += $quesDetails['QUES_MARKS'];
                    } else {
                        $participationPercentage = 1 - (float) $testCorrectness;
                        $participationPercentage = $participationPercentage * 100;
                        $obtainedMarks += ($quesDetails['QUES_MARKS'] * $participationPercentage) / 100;
                    }
                }
                $postData['obtainedMarks'] = $obtainedMarks;
            }
            // end block
            $obtainPercentage = ($postData['obtainedMarks'] * 100) / $postData['totalMarks'];
            if ($obtainPercentage >= $testCutscore['CUT_SCORE']) {
                $isPassed = 'Y';
            } else {
                $isPassed = 'N';
            }
            $quizAttemptData = array();
            $quizAttemptData['SCORE'] = $postData['obtainedMarks'];
            $quizAttemptData['IS_PASS'] = $isPassed;
            $this->container->authDetail['QUIZ_ATTEMPT_ID'];
            $StudentTable->updateAttempts($quizAttemptData, $this->container->authDetail['QUIZ_ATTEMPT_ID']);

            $result = ['status' => true, 'message' => 'Test submitted successfully'];
            $viewModel->setVariables($result);

            return $viewModel;
        }
    }

    /*
     * @desc Used to render question details of type (MCQ_SIGLE)
     */

    private function questionMCQSingle($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-mcq-single.phtml');
        $viewModel->setTerminal(true);
        $translator = $this->getServiceLocator()->get('translator');
        $questionMultipleAnswerForm = new QuestionMultipleAnswerForm([], [], $translator);
        $viewModel->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId, 'form' => $questionMultipleAnswerForm));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    /*
     * @desc Used to render question details of type (MCQ_MULTIPLE)
     */

    private function questionMCQMultiple($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-mcq-multiple.phtml');
        $viewModel->setTerminal(true);
        $translator = $this->getServiceLocator()->get('translator');
        $questionMultipleChoiceForm = new QuestionMultipleChoiceForm([], [], $translator);
        $viewModel->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId, 'form' => $questionMultipleChoiceForm));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to Fill in the Blank Question
     */
    private function questionFillInTheBlank($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-fill-in-the-blank.phtml');
        $viewModel->setTerminal(true);
        $viewModel->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to Pick From List Question
     */
    private function questionPickFromList($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-pick-from-list.phtml');
        $viewModel->setTerminal(true);
        $viewModel->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to matching Question
     */
    private function questionMatching($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-matching.phtml');
        $viewModel->setTerminal(true);
        $viewModel->setVariables(array('questionData' => (object) $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to True False Question
     */
    private function questionTrueFalse($questionDetails, $testId) {
        $qusId = $questionDetails['QUS_ID'];
        $questionData = $questionDetails;
        $questionOptionArr = [];
        $questionCorrectArr = [];
        if (!empty($questionData['QUS_OPTION'])) {
            $questionOptionArr = json_decode($questionData['QUS_OPTION'], TRUE);
        }
        if (!empty($questionData['QUS_CORRECT_RESPONSE'])) {
            $questionCorrectArr = json_decode($questionData['QUS_CORRECT_RESPONSE'], TRUE);
        }
        $htmlViewPart = new ViewModel();
        $htmlViewPart->setTerminal(true)
                ->setTemplate('b2cstudent/b2cstudent/true-false.phtml')
                ->setVariables(array('questionDetails' => $questionDetails,
                    'testId' => $testId,
                    'questionData' => $questionData,
                    'questionOptionArr' => $questionOptionArr,
                    'questionCorrectArr' => $questionCorrectArr
        ));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($htmlViewPart);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to HotSpot Question
     */
    private function questionHotSpot($questionDetails, $testId) {
        $qusId = $questionDetails['QUS_ID'];
        $questionData = $questionDetails;
        if (!empty($questionData['QUS_CORRECT_RESPONSE'])) {
            $questionCorrectArr = json_decode($questionData['QUS_CORRECT_RESPONSE']);
        }
        $questionOption = $imagePath = "";
        if (!empty($questionCorrectArr->text)) {
            $questionType = "Text";
            $textarr = json_decode($questionData['QUS_OPTION']);
            $questionOption = $textarr->text;
        } else {
            $questionType = "Image";
            $imagePath = $this->returnBasePath() . "/upload/" . $questionData['QUS_OPTION'];
        }
        $htmlViewPart = new ViewModel();
        $htmlViewPart->setTerminal(true)
                ->setTemplate('b2cstudent/b2cstudent/hotspot.phtml')
                ->setVariables(array('questionDetails' => $questionDetails,
                    'testId' => $testId,
                    'questionType' => $questionType,
                    'questionOption' => $questionOption,
                    'questionText' => $questionData['QUESTION_TEXT'],
                    'questionData' => $questionData,
                    'questionCorrectArr' => $questionCorrectArr
        ));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($htmlViewPart);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to Essay Question
     */
    private function questionEssay($questionDetails, $testId) {
        $htmlViewPart = new ViewModel();
        $htmlViewPart->setTerminal(true)
                ->setTemplate('b2cstudent/b2cstudent/question-essay.phtml')
                ->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($htmlViewPart);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to Ordering Question
     */
    private function questionOrdering($questionDetails, $testId) {
        $htmlViewPart = new ViewModel();
        $htmlViewPart->setTerminal(true)
                ->setTemplate('b2cstudent/b2cstudent/question-ordering.phtml')
                ->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($htmlViewPart);
        return $htmlOutput;
    }

    /**
     * @desc used of this action to Drag N Drop Question
     */
    private function questionDragDrop($questionDetails, $testId) {
        $viewModel = new ViewModel();
        $viewModel->setTemplate('b2cstudent/b2cstudent/question-drag-and-drop.phtml');
        $viewModel->setTerminal(true);
        $viewModel->setVariables(array('questionDetails' => $questionDetails, 'testId' => $testId));
        $htmlOutput = $this->getServiceLocator()->get('viewrenderer')->render($viewModel);
        return $htmlOutput;
    }

    function updatemarkAction() {

        $postData = $_POST;
        $dbadapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter');
        $gradeTable = new AdmgradeTable($dbadapter);
        $attemptArr = explode("-",$postData['attemptId']);
        $postData['attemptId'] = $attemptArr[0];
        $score = $gradeTable->getScoreByAttemptId($postData['attemptId']);
        $postData['lastMark'] = (!empty($postData['lastMark'])) ? $postData['lastMark'] : 0;
        $newScore = ($score - $postData['lastMark'] + $postData['marks']);
        $gradeTable->updateScoreByAttemptId($postData['attemptId'], $newScore);
        $data['AttemptID'] = $postData['attemptId'];
        $data['QuestionID'] = $postData['questionId'];
        $data['EbtMarks'] = $postData['marks'];
        $data['ResultSuccess'] = 'true';
        $this->updateUserRecordDynamoDB($data);
        die(1);
    }

    /**
     * @desc used of this action save user response from ques player
     */
    public function saveUserDataAction() {
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $result = ['result' => false, 'message' => ''];
        $translator = $this->getServiceLocator()->get('translator');
        $questionTable = $this->initTable('Exam\Model\QuestionTable');
        $request = $this->getRequest();
        $data = $request->getPost()->toArray();
        $jsonDataForOptionFileName = $jsonDataForCorrectResponse = $jsonDataForOption = $qus_correct_response_json = $userJsonData = '';
        $errorInValidation = $errorField = [];
        $questionMarks = 0;
        $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
        $questionDetails = (!empty($data['QUS_ID'])) ? $StudentTable->getQuestionDetailsById($data['QUS_ID'], $data['QUZ_ID']) : [];
        $questionMarks = $questionDetails->QUS_MARK; // THIS VAR will used to calculate marks for this test            
        
        $this->emptyMsg = $translator->translate("Value is required and can't be empty");
        $questionValidatePlugin = new Plugin\QuestionValidationPlugin($this->emptyMsg);
        switch ($data['QUS_TYPE']) {
            case 1: //ESSAY
                $result = $this->essayValidate($data);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 2: //FILL_IN_BLANK
                $result = $questionValidatePlugin->QusFillInTheBlankValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error'],
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 3: //HOTSPOT
                $result = $questionValidatePlugin->hotSpotValidate($data, $questionDetails, $translator);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 4: //MATCHING
                $data['QUS_CORRECT_RESPONSE'] = $questionDetails['QUS_CORRECT_RESPONSE'];
                if ($data['ANSWER_TYPE'] == 1) {
                    $columnA = array();
                    foreach ($data['QUE_TEXT'] as $keyQueText => $valueQueText) {
                        $columnA[$keyQueText] = $data['QUE_TEXT'][$keyQueText] . '$$' . $data['QUE_IMAGE'][$keyQueText];
                    }
                    $columnB = array();
                    foreach ($data['ANS_TEXT'] as $keyQueText => $valueQueText) {
                        $columnB[$keyQueText] = $data['ANS_TEXT'][$keyQueText] . '$$' . $data['ANS_IMAGE'][$keyQueText];
                    }
                    $count = 1;
                    foreach ($columnB as $keyColumnB => $valueColumnB) {
                        $studentRequest[$count] = array(array($count => isset($columnA[$count]) ? $columnA[$count] : ""), array($keyColumnB => isset($valueColumnB) ? $valueColumnB : ""));
                        $count++;
                    }
                }
                if ($data['ANSWER_TYPE'] == 2) {
                    foreach ($data['QUE_TEXT'] as $keyQueText => $valueQueText) {
                        $columnA[$keyQueText] = $data['QUE_TEXT'][$keyQueText] . '$$' . $data['QUE_IMAGE'][$keyQueText];
                    }
                    $columnB = array();
                    foreach ($data['ANS_TEXT'] as $keyQueText => $valueQueText) {
                        $columnB[$keyQueText] = $data['ANS_TEXT'][$keyQueText] . '$$' . $data['ANS_IMAGE'][$keyQueText];
                    }
                    $data['answer'] = isset($data['answer']) ? $data['answer'] : array();
                    $studentRequest = array();
                    foreach ($data['answer'] as $answerKey => $answerValue) {
                        $studentRequest[$answerKey] = array(array($answerKey => isset($columnA[$answerKey]) ? $columnA[$answerKey] : ""), array($answerValue => isset($columnB[$answerValue]) ? $columnB[$answerValue] : ""));
                    }
                }
                if ($data['ANSWER_TYPE'] == 3) {
                    $columnA = $data['QUE'];
                    $columnB = $data['ANS'];
                    foreach ($data['answer'] as $answerKey => $answerValue) {
                        $studentRequest[$answerKey] = array(array($answerKey => isset($columnA[$answerKey]) ? $columnA[$answerKey] : ""), array($answerValue => isset($columnB[$answerValue]) ? $columnB[$answerValue] : ""));
                    }
                }
                if ($data['ANSWER_TYPE'] == 4) {
                    $columnA = array();
                    foreach ($data['QUE_TEXT'] as $keyQueText => $valueQueText) {
                        $columnA[$keyQueText] = $data['QUE_TEXT'][$keyQueText] . '$$' . $data['QUE_IMAGE'][$keyQueText];
                    }
                    $columnB = array();
                    $data['ANS_TEXT'] = isset($data['ANS_TEXT']) ? $data['ANS_TEXT'] : array();
                    foreach ($data['ANS_TEXT'] as $keyQueText => $valueQueText) {
                        $columnB[$keyQueText] = $data['ANS_TEXT'][$keyQueText] . '$$' . $data['ANS_IMAGE'][$keyQueText];
                    }
                    $count = 1;
                    $studentRequest = array();
                    foreach ($columnB as $keyColumnB => $valueColumnB) {
                        $studentRequest[$count] = array(array($count => isset($columnA[$count]) ? $columnA[$count] : ""), array($keyColumnB => isset($valueColumnB) ? $valueColumnB : ""));
                        $count++;
                    }
                }
                $result = $questionValidatePlugin->QuestionMatchingValidate($data, $studentRequest);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 5: // MCQ_SINGLE
                $result = $questionValidatePlugin->QusMCQSingleValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 6: // MCQ_MULTIPLE
                $result = $questionValidatePlugin->QusMCQMultipleValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 7: //ORDERING
                $result = $questionValidatePlugin->QueOrderingValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 8: //TRUE_FALSE
                $result = $questionValidatePlugin->trueFalseValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 9: //JUMBLE_WORD
                break;
            case 10: //PICK_FROM_LIST
                $result = $questionValidatePlugin->QusPickFromListValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            case 11: //drag drop
                $result = $questionValidatePlugin->QusDragDropValidate($data, $questionDetails);
                if (!empty($result['error'])) {
                    $result_error = array('result' => false,
                        //'message' => $result['error']
                        'QUES_IS_SKIP' => true,
                        'message' => ''
                    );
                }
                break;
            default:
                break;
        }
        if ($request->isXmlHttpRequest()) {
            $finalArr = [];
            if (!empty($result) && !empty($data['QUS_ID'])) { 
                if(isset($result['USER_RESPONSE'])){
                    $isAnswered = (count($result['USER_RESPONSE']))>0 ? 'true': 'false';
                }else{
                    $isAnswered = 'false';
                }
                $result['USER_RESPONSE'] = (!empty($result['USER_RESPONSE'])) ? $result['USER_RESPONSE'] : array('');
                $finalArr = [
                    'USER_OID' => $this->container->authDetail['USER_OID'],
                    'QUIZ_ATTEMPT_ID' => $this->container->authDetail['QUIZ_ATTEMPT_ID'],
                    'QUS_ID' => $data['QUS_ID'],
                    'QUS_TYPE' => $questionDetails['QUS_TYPE'],
                    'QUES_TYPE_DISPLAY_NAME' => $questionDetails['QUES_TYPE_DISPLAY_NAME'],
                    'QUSTION' => $questionDetails['QUESTION_TEXT'],
                    'QUESTION_FILE_NAME' => $questionDetails['QUESTION_FILE_NAME'],
                    'ANSWER_EXPLANATION' => $questionDetails['ANSWER_EXPLANATION'],
                    'DIFFICULTY' => $questionDetails['DIFFICULTY'],
                    'INCORRECT_ANS_FEEDBACK' => $questionDetails['INCORRECT_ANS_FEEDBACK'],
                    'CORRECT_ANS_FEEDBACK' => $questionDetails['CORRECT_ANS_FEEDBACK'],
                    'ANSWER_LENGHT' => $questionDetails['ANSWER_LENGHT'],
                    'QUS_OPTION' => $questionDetails['QUS_OPTION'],
                    'QUS_OPTION_FILE_NAME' => $questionDetails['QUS_OPTION_FILE_NAME'],
                    'ANSWER_TYPE' => $questionDetails['ANSWER_TYPE'],
                    'QUS_CORRECT_RESPONSE' => (!empty($questionDetails['QUS_CORRECT_RESPONSE'])) ? $questionDetails['QUS_CORRECT_RESPONSE'] : '',
                    'USER_RESPONSE' => json_encode($result['USER_RESPONSE']),
                    'QUES_STATUS' => (!empty($result['RESULT'])) ? $result['RESULT'] : false,
                    'ATTEMPT_ON' => date('Y-m-d H:i:s'),
                    'QUES_PLAYER' => true,
                    'result' => true,
                    'QUES_MARKS' => $questionMarks,
                    'QUES_IS_SKIP' => false,
                    'IS_ANSWERED' => $isAnswered
                ];


                $QUS_CORRECT_RESPONSE = (!empty($questionDetails['QUS_CORRECT_RESPONSE'])) ? $questionDetails['QUS_CORRECT_RESPONSE'] : 'null';

                $ResultSuccess = (!empty($result['RESULT'])) ? $result['RESULT'] : 'false';
				
                $QUES_SOURCE = (!empty($data['QUES_SOURCE'])) ? $data['QUES_SOURCE'] : 'LOCAL';

                $result['USER_RESPONSE'] = (!empty($result['USER_RESPONSE'])) ? $result['USER_RESPONSE'] : array('');
                $questionDetails['QUS_OPTION'] = (!empty($questionDetails['QUS_OPTION'])) ? $questionDetails['QUS_OPTION'] : 'null';
                $questionDetails['QUESTION_TEXT'] = (!empty($questionDetails['QUESTION_TEXT'])) ? $questionDetails['QUESTION_TEXT'] : 'null';

                $questionDetails['ANSWER_TYPE'] = (!empty($questionDetails['ANSWER_TYPE'])) ? $questionDetails['ANSWER_TYPE'] : 'null';
				
                $questionDetails['REPO_PATH'] = (!empty($questionDetails['REPO_PATH'])) ? $questionDetails['REPO_PATH'] : 'null';

                $questionDetails['ANSWER_EXPLANATION'] = (!empty($questionDetails['ANSWER_EXPLANATION'])) ? $questionDetails['ANSWER_EXPLANATION'] : 'null';

                $quiz_attempt_id = $this->container->authDetail['QUIZ_ATTEMPT_ID'];

                $isFlaged = (!empty($data['isFlaged'])) ? 'true' : 'false';


                $topics = $questionTable->getAllUniqTopicIds($data['QUS_ID']);
                if (count($topics) == 0) {
                    $topics = array('0');
                }
                $dbadapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter');
                $gradeTable = new AdmgradeTable($dbadapter);
                $questionMarks = $gradeTable->getMarkByQuizQsnId($data['QUZ_ID'], $data['QUS_ID']);


                $ebtMarks = '0';
                $correctPercent = $gradeTable->getTestCorrectnessNumberByQuizId($quiz_attempt_id);
                $wrongPercent = (1 - $correctPercent) * 100;

                if ($questionDetails['QUS_TYPE'] == 1) {
                    $ebtMarks = ($questionMarks * $wrongPercent) / 100;
                    $markObtain = $ebtMarks;
                    $ResultSuccess = 'false';
                } else {
                    if ($ResultSuccess == 'true') {
                        $markObtain = $questionMarks;
                    } else {
                        $markObtain = ($questionMarks * $wrongPercent) / 100;
                    }
                }

                $postDataArr = array(
                    'AnsExplanation' => array('S' => (string) $questionDetails['ANSWER_EXPLANATION']),
                    'AttemptID' => array('S' => (string) $quiz_attempt_id),
                    'QuestionID' => array('N' => (string) $data['QUS_ID']),
                    'QuestionType' => array('S' => (string) $questionDetails['QUS_TYPE']),
                    'QuestionSourse' => array('S' => (string) $QUES_SOURCE),
                    'RepoPath' => array('S' => (string) $questionDetails['REPO_PATH']),
                    'AnsType' => array('S' => (string) $questionDetails['ANSWER_TYPE']),
                    'QuestionRaw' => array('S' => (string) $questionDetails['QUESTION_TEXT']),
                    'OptionValue' => array('S' => (string) $questionDetails['QUS_OPTION']),
                    'CorrectResponsePattern' => array('S' => (string) $QUS_CORRECT_RESPONSE),
                    'UserResponsePattern' => array('S' => (string) json_encode($result['USER_RESPONSE'])),
                    'RawScore' => array('N' => (string) $questionMarks),
                    'MarkObtain' => array('N' => (string) $markObtain),
                    'EbtMarks' => array('N' => (string) $ebtMarks),
                    'ResultSuccess' => array('S' => (string) $ResultSuccess),
                    'Topic' => array('NS' => $topics),
                    'IsFlaged' => array('S' => (string) $isFlaged),
                    'TimeStamp' => array('S' => (string) date('Y-m-d H:i:s'))
                );
                
                $config = $this->getServiceLocator()->get('config');
                //if($config['liveurl']){ 
                $this->insertDynamoDbData($postDataArr);
                //}
            }
            $viewModel->setVariables(['data' => $finalArr]);
            return $viewModel;
        }
    }

    /**
     * @desc used of this action to validate essay type Question
     */
    private function essayValidate($data) {
        $retArr = [];
        if (!empty($data['ANSWER']) && !empty(trim($data['ANSWER']))) {
            $retArr['USER_RESPONSE']['ANSWER'] = $data['ANSWER'];
        } else {
            $retArr['error']['ANSWER'] = array("isEmpty" => $this->emptyMsg);
        }
        return $retArr;
    }

    /**
     * @desc Used of this fucntion to return array of Test Id and Level Id
     * to use with 'Continue to Next Level' button.
     * @param   int  $levelId
     * 
     * @return array $returnTestNLevelIdArray
     */
    public function getNextTestAndLevelId($levelId) {
        $returnTestNLevelIdArray = array();
        if ($levelId) {
            $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
            $firstQueryData = $StudentTable->fetchData('t_adm_cnf_placement_level', ['PLC_LEVEL_ID' => $levelId], ['GRADE_ID', 'PLC_POSITION'], null, false);
            $organizationPK = $StudentTable->getSchoolUserIdByOrgId($this->container->authDetail['ORG_ID']);
            $nextPLCLevelId = $StudentTable->getNextPLCLevelId($firstQueryData->GRADE_ID, $firstQueryData->PLC_POSITION, $organizationPK);
            if ($nextPLCLevelId) {
                $testId = $StudentTable->fetchData('t_b2c_master_test', ['PLC_LEVEL_ID' => $nextPLCLevelId], ['QUIZ_ID'], null, false);
                if (!empty($testId)) {
                    /**
                     * Checking that if user has been attempted this test or not, 
                     * if not then only 'Continue to Next Level' button will show
                     * else button will hide.               
                     */
                    $testHasbeenAttemptedOrNot = $StudentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $testId->QUIZ_ID, 'PLC_LEVEL_ID' => $nextPLCLevelId, 'IS_PASS' => 'Y', 'USER_OID' => $this->container->authDetail['USER_OID']], ['QUIZ_ATTEMPT_ID'], null, true);
                    if (empty($testHasbeenAttemptedOrNot)) {
                        $returnTestNLevelIdArray['QUIZ_ID'] = $testId->QUIZ_ID;
                        $returnTestNLevelIdArray['PLC_LEVEL_ID'] = $nextPLCLevelId;
                    }
                }
            }

            return $returnTestNLevelIdArray;
        }
    }

    /**
     * @desc used of this action for render listing of test
     * @return ViewModel
     */
    public function startTestAction() {
        $assessmentData = array();
        $this->CommonClass()->setCustomLayout($this, 'assessmentDetailLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $testId = ($this->params('id') !== null) ? $this->params('id') : '';
        $lession_plan_id = ($this->params('lp_id') !== null) ? $this->params('lp_id') : '';
        $user_id = $this->container->authDetail['USER_OID'];
        $ut_id = $this->container->authDetail['UT_ID'];
        $userType = $this->container->authDetail['USER_TYPE'];
        
        if (empty($user_id) || $ut_id != 1) {
            $config = $this->serviceLocator->get('config');
            $route = $config['user_auth_redirect'][$userType]['route'];
            $action = $config['user_auth_redirect'][$userType]['action'];
            return $this->redirect()->toRoute($route, array('action' => $action));
        }
        
        $request = $this->getRequest();
        $queryStringData = $request->getQuery()->toArray();
        if (!empty($testId)) { // if any id was passed in URL
            $StudentTable = $this->initTable('B2cstudent\Model\B2cstudentTable');
            // get how many question are in this test
            $questionsInTest = $StudentTable->getLocalQuesForthisTest($testId);
            $testDetails = $StudentTable->getAssessmentDetails($testId);
            $getAttemptTest = $StudentTable->getAttemptStatus($testId, $user_id);

            $totalMarks = 0;
            $attempt_count = 0;
            foreach ($questionsInTest as $ques) {
                $totalMarks += $ques['QUS_MARK'];
            }
            
            if (!empty($testDetails)) { // if test found in db
                $quesCount = !empty($questionsInTest) ? count($questionsInTest) : 0;
                $firstquesId = !empty($questionsInTest) ? $questionsInTest[0]['QUS_ID'] : 0;
                $htmlOutput = '';
                
                // get assessment listing
                $assessmentData = $this->getTestListing();
                //$assessmentData = $StudentTable->getContentListByLpId($lession_plan_id);

                /** Get student's number of quiz attempt. */
                $attempt_count = !empty($quiz_type) ?
                        count($StudentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $testId, 'USER_OID' => $user_id, 'PLC_LEVEL_ID' => $level_id], ['QUIZ_ATTEMPT_ID'])) :
                        count($StudentTable->fetchData('t_b2c_usr_quiz_attempt', ['QUIZ_ID' => $testId, 'USER_OID' => $user_id], ['QUIZ_ATTEMPT_ID']));

                $viewModel->setVariables(array(
                    'responseData' => $htmlOutput,
                    'quesCount' => $quesCount,
                    'quesIdsArray' => $questionsInTest,
                    'testId' => $testId,
                    'quesId' => $firstquesId,
                    'assessmentData' => $assessmentData,
                    'testDetails' => $testDetails,
                    'totalMarks' => $totalMarks,
                    'attemptCount' => $attempt_count,
                    'lession_plan_id' => $lession_plan_id,
                    'user_attempts' => $getAttemptTest
                ));

                return $viewModel;
            } else { // else redirect to listing page
                return $this->redirect()->toRoute('users', array('action' => 'grade'));
            }
        } else { // else redirect to listing page
            return $this->redirect()->toRoute('users', array('action' => 'grade'));
        }
    }
    
    /**
     * @desc used of this action for render listing of user-specific grades
     */
    public function testGradesAction() {
        $this->CommonClass()->setCustomLayout($this, 'backendLayout');
        $viewModel = $this->acceptableviewmodelselector($this->acceptCriteria);
        $dbadapter = $this->getServiceLocator()->get('Zend\Db\Adapter\Adapter');
        $this->db = new GradeTable($dbadapter);
        $id = (!empty($this->params()->fromQuery('student_id'))) ? $this->params()->fromQuery('student_id') : "";
        $studentId = (!empty($id)) ? $id : $this->container->authDetail['USER_OID'];
        
        /** Get User(student) specific grades detail. */
        $joins[] = ['t_cm_mgr_subject', 't_cm_mgr_subject.SUBJECT_ID = t_usr_enrollment.SUBJECT_ID', ['GRADE_ID']];
        $joins[] = ['t_cm_mgr_grade', 't_cm_mgr_grade.GRADE_ID = t_cm_mgr_subject.GRADE_ID', ['GRADE_ID', 'GRADE_NAME']];
        $userGrades = $this->db->fetchData('t_usr_enrollment', ['USER_OID' => $studentId], ['SUBJECT_ID'], null, true, null, null, null, null, null, null, $joins);

        $viewModel->setVariables([
            'userGrades' => $userGrades,
            'studentId' => $studentId,
            'student_id' => $id
        ]);
        return $viewModel;
    }

}

Youez - 2016 - github.com/yon3zu
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