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: / home / ksclnmuac / www / cas / application / controllers / student /
Filename : TasksAndQuizzes.php
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<?php

/**
 * Controller For Handling All Requests Related To Quizzes & Assignments
 *
 * @author Softpro India Pvt. Ltd.
 */
defined('BASEPATH') OR exit('No direct script access allowed');

class TasksAndQuizzes extends CI_Controller {

    public function __construct() {
        parent::__construct();
        $this->load->model('admin/TaskAndQuizManagement');
    }

    public function index() {
        if ($this->sessionvalidator->isStudentLoggedIn()) {
            $modelPapers = $this->TaskAndQuizManagement->getAllottedModelPapersByStudent($this->session->userdata("studentData")["stu_id"])->result();
            $myModelPapers = array();
            for ($i = 0; $i < sizeof($modelPapers); $i++) {
                $result = "Not Available";
                $attemptedCount = sizeof($this->TaskAndQuizManagement->getModelPaperAttemptByStudent($this->session->userdata("studentData")["stu_id"], $modelPapers[$i]->mepm_id)->result());
                if ($attemptedCount) {
                    $responseData = $this->TaskAndQuizManagement->getModelPaperAttemptResponseByStudent($this->session->userdata("studentData")["stu_id"], $modelPapers[$i]->mepm_id)->result();
                    if (sizeof($responseData)) {
                        $mMarks = 0.0;
                        $marksObtained = 0.0;
                        for ($j = 0; $j < sizeof($responseData); $j++) {
                            $correctResponse = $responseData[$j]->meprm_correct_resp;
                            $markedResponse = $responseData[$j]->meprm_obj_resp;
                            if ($markedResponse == $correctResponse) {
                                $marksObtained += $responseData[$j]->qb_marks;
                            } else {
                                if ($responseData[$j]->qb_negative_marks != NULL || $responseData[$j]->qb_negative_marks != "") {
                                    $marksObtained -= $responseData[$j]->qb_negative_marks;
                                }
                            }
                            $mMarks += $responseData[$j]->qb_marks;
                        }
                        $result = $marksObtained . "/" . $mMarks;
                    } else {
                        $result = "Not Available";
                    }
                }
                array_push($myModelPapers, array(
                    'mepm_id' => $modelPapers[$i]->mepm_id,
                    'mepm_title' => stripslashes($modelPapers[$i]->mepm_title),
                    'sm_name' => stripslashes($modelPapers[$i]->sm_name),
                    'mepm_type' => ($modelPapers[$i]->mepm_type == "O") ? "Objective" : (($modelPapers[$i]->mepm_type == "S") ? "Subjective" : "Miscellaneous"),
                    'mepm_added_by' => $modelPapers[$i]->addedByAdmin,
                    'mepsa_start_date' => $modelPapers[$i]->mepsch_start_date,
                    'mepsa_end_date' => $modelPapers[$i]->mepsch_end_date,
                    'mepsa_is_result_to_show' => $modelPapers[$i]->mepsch_is_result_to_show,
                    'mepsa_is_detailed_result_to_show' => $modelPapers[$i]->mepsch_is_detailed_result_to_show,
                    'mepsa_attempt_allowed' => ($modelPapers[$i]->mepsch_allowed_attempts == 0) ? 1 : ($modelPapers[$i]->mepsch_allowed_attempts - $attemptedCount),
                    'mepsa_normal_result' => $result,
                    'mepsa_detailed_result' => ''
                ));
            }
            $viewData['myModelPapers'] = $myModelPapers;
            $this->load->view('student/assessment/modelPapers', $viewData);
        } else {
            redirect("student/");
        }
    }

    public function attemptModelPaper($mepm_id) {
        if ($this->sessionvalidator->isStudentLoggedIn()) {
            if (trim($mepm_id) != "") {
                $modelPaperInfo = $this->TaskAndQuizManagement->getModelExamPaperInfoBy($mepm_id)->result();
                $modelPaperAllottmentInfo = $this->TaskAndQuizManagement->getAllottedModelPaperInfoBy($mepm_id)->result()[0];
                if (sizeof($modelPaperInfo)) {
                    $thisModelPaper = $modelPaperInfo[0];
                    $gen_questions = $this->TaskAndQuizManagement->getModelExamPaperGeneralQuestionsBy($mepm_id)->result();
                    $group_questions = $this->TaskAndQuizManagement->getModelExamPaperGroupQuestionsBy($mepm_id)->result();
                    $attemptedCount = sizeof($this->TaskAndQuizManagement->getModelPaperAttemptByStudent($this->session->userdata("studentData")["stu_id"], $thisModelPaper->mepm_id)->result());
                    if (($modelPaperAllottmentInfo->mepsch_allowed_attempts == 0) || ($modelPaperAllottmentInfo->mepsch_allowed_attempts - $attemptedCount)) {
                        if (!($attemptedCount)) {
                            $response_array = array();
                            for ($i = 0; $i < sizeof($gen_questions); $i++) {
                                array_push($response_array, array(
                                    'mepqm_id' => $gen_questions[$i]->mepqm_id,
                                    'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                                    'qb_id' => $gen_questions[$i]->qb_id,
                                    'mepm_id' => $mepm_id,
                                    'meprm_correct_resp' => $gen_questions[$i]->qb_correct_opt,
                                    'mepsch_id' => $modelPaperAllottmentInfo->mepsch_id,
                                    'meprm_first_attempted' => date("Y-m-d H:i:s"),
                                    'meprm_updated_on' => date("Y-m-d H:i:s")
                                ));
                            }
                            for ($i = 0; $i < sizeof($group_questions); $i++) {
                                array_push($response_array, array(
                                    'mepqm_id' => $group_questions[$i]->mepqm_id,
                                    'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                                    'qb_id' => $group_questions[$i]->qb_id,
                                    'mepm_id' => $mepm_id,
                                    'meprm_correct_resp' => $group_questions[$i]->qb_correct_opt,
                                    'mepsch_id' => $modelPaperAllottmentInfo->mepsch_id,
                                    'meprm_first_attempted' => date("Y-m-d H:i:s"),
                                    'meprm_updated_on' => date("Y-m-d H:i:s")
                                ));
                            }
                            $attempt_array = array(
                                'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                                'mepm_id' => $mepm_id,
                                'mepsch_id' => $modelPaperAllottmentInfo->mepsch_id,
                                'mepsat_attempted_on' => date("Y-m-d H:i:s")
                            );
                            $this->db->trans_start();
                            if ($this->TaskAndQuizManagement->createNewStudentAttempt($attempt_array)) {
                                if ($this->TaskAndQuizManagement->createNewStudentResponse($response_array)) {
                                    $this->db->trans_complete();
                                    $viewData['genQuestions'] = $gen_questions;
                                    $viewData['groupQuestions'] = $group_questions;
                                    $viewData['modelPaperInfo'] = $thisModelPaper;
                                    $this->load->view('student/assessment/attemptModelPaper', $viewData);
                                } else {
                                    $this->session->set_flashdata('errorMessage', 'Sorry! Some Error Occured While Making Attempt To View Model Paper. Please Try Later.');
                                    redirect("student/TasksAndQuizzes/");
                                }
                            } else {
                                $this->session->set_flashdata('errorMessage', 'Sorry! Some Error Occured While Making Attempt To View Model Paper. Please Try Later.');
                                redirect("student/TasksAndQuizzes/");
                            }
                        } else {
                            $attempt_array = array(
                                'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                                'mepm_id' => $mepm_id,
                                'mepsch_id' => $modelPaperAllottmentInfo->mepsch_id,
                                'mepsat_attempted_on' => date("Y-m-d H:i:s")
                            );
                            if ($this->TaskAndQuizManagement->createNewStudentAttempt($attempt_array)) {
                                $viewData['genQuestions'] = $gen_questions;
                                $viewData['groupQuestions'] = $group_questions;
                                $viewData['modelPaperInfo'] = $thisModelPaper;
                                $this->load->view('student/assessment/attemptModelPaper', $viewData);
                            } else {
                                $this->session->set_flashdata('errorMessage', 'Sorry! Some Error Occured While Making Attempt To View Model Paper. Please Try Later.');
                                redirect("student/TasksAndQuizzes/");
                            }
                        }
                    } else {
                        redirect("student/TasksAndQuizzes/");
                    }
                } else {
                    $this->session->set_flashdata('errorMessage', 'Sorry! Model Paper Revoked Or This Model Paper Does Not Exits Any More.');
                    redirect("student/TasksAndQuizzes/");
                }
            } else {
                redirect("student/");
            }
        }
    }

    public function saveModelPaperAttempt() {
        if ($this->sessionvalidator->isStudentLoggedIn()) {
            $questionIds = $this->input->post("questionIds");
            $mepmType = $this->input->post("mepm_type");
            if ($mepmType == "O") {
                $this->db->trans_start();
                for ($i = 0; $i < sizeof($questionIds); $i++) {
                    $responseUpdateArray = array(
                        'meprm_obj_resp' => $this->input->post("question" . $questionIds[$i]),
                        'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                        'qb_id' => $questionIds[$i],
                        'mepm_id' => trim($this->input->post("mepm_id")),
                        'meprm_updated_on' => date("Y-m-d H:i:s")
                    );
                    $this->TaskAndQuizManagement->updateNewStudentResponse($responseUpdateArray);
                }
                if ($i == sizeof($questionIds)) {
                    $this->session->set_flashdata('successMessage', 'Model Paper Submitted Successfully.');
                    redirect("student/TasksAndQuizzes/");
                } else {
                    $this->session->set_flashdata('errorMessage', 'Some Error Occurred While Submitting Model Paper. Try Later.');
                    redirect("student/TasksAndQuizzes/");
                }
            } else {
                $this->db->trans_start();
                for ($i = 0; $i < sizeof($questionIds); $i++) {
                    $inputFileName = "file" . $questionIds[$i];
                    if (!empty($_FILES[$inputFileName]['name'])) {
                        $responseFileWithPath = "";
                        $configResponseFile['upload_path'] = './assets/admin/uploads/questionBank/studentResponse/';
                        $configResponseFile['allowed_types'] = 'jpeg|jpg|png';
                        $configResponseFile['max_size'] = '500';
                        $configResponseFile['file_ext_tolower'] = TRUE;
                        $configResponseFile['encrypt_name'] = TRUE;
                        $this->load->library('upload', $configResponseFile);
                        if (!$this->upload->do_upload($inputFileName)) {
                            $this->session->set_flashdata('errorMessage', "The Response Image File Can Not Be Uploaded As It Do Not Match With Response Image Criteria. File Size 500 KB Max. & Allowed Extension: Only *.png,*.jpg,*.jpeg.");
                            $this->attemptModelPaper(trim($this->input->post("mepm_id")));
                        } else {
                            $responseFileWithPath = "/assets/admin/uploads/questionBank/studentResponse/" . $this->upload->data()['file_name'];
                            $responseUpdateArray = array(
                                'meprm_sub_resp' => addslashes(trim($this->input->post("question" . $questionIds[$i]))),
                                'meprm_sub_file' => $responseFileWithPath,
                                'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                                'qb_id' => $questionIds[$i],
                                'mepm_id' => trim($this->input->post("mepm_id")),
                                'meprm_updated_on' => date("Y-m-d H:i:s")
                            );
                        }
                    } else {
                        $responseUpdateArray = array(
                            'meprm_sub_resp' => addslashes(trim($this->input->post("question" . $questionIds[$i]))),
                            'tspi_id' => $this->session->userdata("studentData")["stu_id"],
                            'qb_id' => $questionIds[$i],
                            'mepm_id' => trim($this->input->post("mepm_id")),
                            'meprm_updated_on' => date("Y-m-d H:i:s")
                        );
                    }
                    $this->TaskAndQuizManagement->updateNewStudentResponse($responseUpdateArray);
                }
                if ($i == sizeof($questionIds)) {
                    $this->session->set_flashdata('successMessage', 'Model Paper Submitted Successfully.');
                    redirect("student/TasksAndQuizzes/");
                } else {
                    $this->session->set_flashdata('errorMessage', 'Some Error Occurred While Submitting Model Paper. Try Later.');
                    redirect("student/TasksAndQuizzes/");
                }
            }
        } else {
            redirect("student/");
        }
    }

    public function getModelPaperAttemptFullDetail() {
        $mepm_id = $_POST['mepm_id'];
        $tspi_id = $_POST['tspi_id'];
        $studentModelPaperAttempt = $this->TaskAndQuizManagement->getModelPaperAttemptResponseByStudent($tspi_id, $mepm_id)->result();
        $studentAttemptInfo = array();
        for ($i = 0; $i < sizeof($studentModelPaperAttempt); $i++) {
            if ($studentModelPaperAttempt[$i]->qg_id == "" || $studentModelPaperAttempt[$i]->qg_id == NULL) {
                $marksAwarded = "";
                $isCorrect = "";
                if ($studentModelPaperAttempt[$i]->meprm_obj_resp == $studentModelPaperAttempt[$i]->meprm_correct_resp) {
                    $marksAwarded = $studentModelPaperAttempt[$i]->qb_marks;
                    $isCorrect = true;
                } else {
                    $marksAwarded = $studentModelPaperAttempt[$i]->qb_negative_marks;
                    $isCorrect = false;
                }
                array_push($studentAttemptInfo, array(
                    'is_group_quest' => false,
                    'stu_id' => $tspi_id,
                    'mepm_id' => $mepm_id,
                    'qest_id' => $studentModelPaperAttempt[$i]->qb_id,
                    'qest_group_id' => '',
                    'qest_group' => '',
                    'qest_group_image' => '',
                    'qestion' => stripslashes($studentModelPaperAttempt[$i]->qb_question),
                    'qestion_image' => ($studentModelPaperAttempt[$i]->qb_image != NULL || $studentModelPaperAttempt[$i]->qb_image != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_image) . "'>" : "",
                    'opt_a' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_a),
                    'opt_a_img' => ($studentModelPaperAttempt[$i]->qb_opt_a_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_a_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_a_img) . "'>" : "",
                    'opt_b' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_b),
                    'opt_b_img' => ($studentModelPaperAttempt[$i]->qb_opt_b_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_b_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_b_img) . "'>" : "",
                    'opt_c' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_c),
                    'opt_c_img' => ($studentModelPaperAttempt[$i]->qb_opt_c_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_c_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_c_img) . "'>" : "",
                    'opt_d' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_d),
                    'opt_d_img' => ($studentModelPaperAttempt[$i]->qb_opt_d_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_d_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_d_img) . "'>" : "",
                    'correct_opt' => $studentModelPaperAttempt[$i]->qb_correct_opt,
                    'response' => $studentModelPaperAttempt[$i]->meprm_obj_resp,
                    'marks_awarded' => $marksAwarded,
                    'is_correct' => $isCorrect
                ));
            } else {
                $marksAwarded = "";
                $isCorrect = "";
                if ($studentModelPaperAttempt[$i]->meprm_obj_resp == $studentModelPaperAttempt[$i]->meprm_correct_resp) {
                    $marksAwarded = $studentModelPaperAttempt[$i]->qb_marks;
                    $isCorrect = true;
                } else {
                    $marksAwarded = $studentModelPaperAttempt[$i]->qb_negative_marks;
                    $isCorrect = false;
                }
                array_push($studentAttemptInfo, array(
                    'is_group_quest' => true,
                    'stu_id' => $tspi_id,
                    'mepm_id' => $mepm_id,
                    'qest_id' => $studentModelPaperAttempt[$i]->qb_id,
                    'qest_group_id' => $studentModelPaperAttempt[$i]->qg_id,
                    'qest_group' => stripslashes($studentModelPaperAttempt[$i]->qg_question),
                    'qest_group_image' => ($studentModelPaperAttempt[$i]->qg_image != NULL || $studentModelPaperAttempt[$i]->qg_image != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qg_image) . "'>" : "",
                    'qestion' => stripslashes($studentModelPaperAttempt[$i]->qb_question),
                    'qestion_image' => ($studentModelPaperAttempt[$i]->qb_image != NULL || $studentModelPaperAttempt[$i]->qb_image != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_image) . "'>" : "",
                    'opt_a' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_a),
                    'opt_a_img' => ($studentModelPaperAttempt[$i]->qb_opt_a_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_a_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_a_img) . "'>" : "",
                    'opt_b' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_b),
                    'opt_b_img' => ($studentModelPaperAttempt[$i]->qb_opt_b_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_b_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_b_img) . "'>" : "",
                    'opt_c' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_c),
                    'opt_c_img' => ($studentModelPaperAttempt[$i]->qb_opt_c_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_c_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_c_img) . "'>" : "",
                    'opt_d' => stripslashes($studentModelPaperAttempt[$i]->qb_opt_d),
                    'opt_d_img' => ($studentModelPaperAttempt[$i]->qb_opt_d_img != NULL || $studentModelPaperAttempt[$i]->qb_opt_d_img != "") ? "<img src='" . base_url($studentModelPaperAttempt[$i]->qb_opt_d_img) . "'>" : "",
                    'correct_opt' => $studentModelPaperAttempt[$i]->qb_correct_opt,
                    'response' => $studentModelPaperAttempt[$i]->meprm_obj_resp,
                    'marks_awarded' => $marksAwarded,
                    'is_correct' => $isCorrect
                ));
            }
        }
        $responseData = array(
            'csrfName' => $this->security->get_csrf_token_name(),
            'csrfHash' => $this->security->get_csrf_hash(),
            'student_attempt_info' => $studentAttemptInfo
        );
        echo json_encode($responseData);
    }

    public function checkSerialNumbers() {
        $srnos = $_POST['uidArray'];
        $queryByUID = $this->StockAndPurchaseManagement->getStockInfoBySrNos($srnos);
        $ifAlreadyExists = 0;
        if (sizeof($queryByUID->result())) {
            $ifAlreadyExists = 1;
        } else {
            $ifAlreadyExists = 0;
        }
        $responseData = array(
            'csrfName' => $this->security->get_csrf_token_name(),
            'csrfHash' => $this->security->get_csrf_hash(),
            'if_exist' => $ifAlreadyExists
        );
        echo json_encode($responseData);
    }

    /* Request Handlers For E-Contents & Related Stuffs */

    public function eContents() {
        if ($this->sessionvalidator->isStudentLoggedIn()) {
            $econtents = $this->TaskAndQuizManagement->getAssignedEContentsByStudent($this->session->userdata("studentData")["stu_id"])->result();
            $viewData['myEContents'] = $econtents;
            $this->load->view('student/assessment/econtents', $viewData);
        } else {
            redirect("student/");
        }
    }

}