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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.

Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  /**
  17   * Core Report class of basic reporting plugin
  18   * @package    scormreport
  19   * @subpackage basic
  20   * @author     Dan Marsden and Ankit Kumar Agarwal
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  
  24  namespace scormreport_basic;
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  require_once($CFG->libdir . '/csvlib.class.php');
  28  
  29  class report extends \mod_scorm\report {
  30      /**
  31       * displays the full report
  32       * @param \stdClass $scorm full SCORM object
  33       * @param \stdClass $cm - full course_module object
  34       * @param \stdClass $course - full course object
  35       * @param string $download - type of download being requested
  36       */
  37      public function display($scorm, $cm, $course, $download) {
  38          global $CFG, $DB, $OUTPUT, $PAGE;
  39  
  40          $contextmodule = \context_module::instance($cm->id);
  41          $action = optional_param('action', '', PARAM_ALPHA);
  42          $attemptids = optional_param_array('attemptid', array(), PARAM_RAW);
  43          $attemptsmode = optional_param('attemptsmode', SCORM_REPORT_ATTEMPTS_ALL_STUDENTS, PARAM_INT);
  44          $PAGE->set_url(new \moodle_url($PAGE->url, array('attemptsmode' => $attemptsmode)));
  45  
  46          if ($action == 'delete' && has_capability('mod/scorm:deleteresponses', $contextmodule) && confirm_sesskey()) {
  47              if (scorm_delete_responses($attemptids, $scorm)) { // Delete responses.
  48                  echo $OUTPUT->notification(get_string('scormresponsedeleted', 'scorm'), 'notifysuccess');
  49              }
  50          }
  51          // Find out current groups mode.
  52          $currentgroup = groups_get_activity_group($cm, true);
  53  
  54          // Detailed report.
  55          $mform = new \mod_scorm_report_settings($PAGE->url, compact('currentgroup'));
  56          if ($fromform = $mform->get_data()) {
  57              $detailedrep = $fromform->detailedrep;
  58              $pagesize = $fromform->pagesize;
  59              set_user_preference('scorm_report_detailed', $detailedrep);
  60              set_user_preference('scorm_report_pagesize', $pagesize);
  61          } else {
  62              $detailedrep = get_user_preferences('scorm_report_detailed', false);
  63              $pagesize = get_user_preferences('scorm_report_pagesize', 0);
  64          }
  65          if ($pagesize < 1) {
  66              $pagesize = SCORM_REPORT_DEFAULT_PAGE_SIZE;
  67          }
  68  
  69          // Select group menu.
  70          $displayoptions = array();
  71          $displayoptions['attemptsmode'] = $attemptsmode;
  72          if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used.
  73              if (!$download) {
  74                  groups_print_activity_menu($cm, new \moodle_url($PAGE->url, $displayoptions));
  75              }
  76          }
  77  
  78          // We only want to show the checkbox to delete attempts
  79          // if the user has permissions and if the report mode is showing attempts.
  80          $candelete = has_capability('mod/scorm:deleteresponses', $contextmodule)
  81                          && ($attemptsmode != SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO);
  82          // Select the students.
  83          $nostudents = false;
  84          list($allowedlistsql, $params) = get_enrolled_sql($contextmodule, 'mod/scorm:savetrack', (int) $currentgroup);
  85          if (empty($currentgroup)) {
  86              // All users who can attempt scoes.
  87              if (!$DB->record_exists_sql($allowedlistsql, $params)) {
  88                  echo $OUTPUT->notification(get_string('nostudentsyet'));
  89                  $nostudents = true;
  90              }
  91          } else {
  92              // All users who can attempt scoes and who are in the currently selected group.
  93              if (!$DB->record_exists_sql($allowedlistsql, $params)) {
  94                  echo $OUTPUT->notification(get_string('nostudentsingroup'));
  95                  $nostudents = true;
  96              }
  97          }
  98  
  99          if ( !$nostudents ) {
 100              // Now check if asked download of data.
 101              $coursecontext = \context_course::instance($course->id);
 102              if ($download) {
 103                  $shortname = format_string($course->shortname, true, array('context' => $coursecontext));
 104                  $filename = clean_filename("$shortname ".format_string($scorm->name, true));
 105              }
 106  
 107              // Define table columns.
 108              $columns = array();
 109              $headers = array();
 110              if (!$download && $candelete) {
 111                  $columns[] = 'checkbox';
 112                  $headers[] = $this->generate_master_checkbox();
 113              }
 114              if (!$download && $CFG->grade_report_showuserimage) {
 115                  $columns[] = 'picture';
 116                  $headers[] = '';
 117              }
 118              $columns[] = 'fullname';
 119              $headers[] = get_string('name');
 120              // TODO Does not support custom user profile fields (MDL-70456).
 121              $extrafields = \core_user\fields::get_identity_fields($coursecontext, false);
 122              foreach ($extrafields as $field) {
 123                  $columns[] = $field;
 124                  $headers[] = \core_user\fields::get_display_name($field);
 125              }
 126  
 127              $columns[] = 'attempt';
 128              $headers[] = get_string('attempt', 'scorm');
 129              $columns[] = 'start';
 130              $headers[] = get_string('started', 'scorm');
 131              $columns[] = 'finish';
 132              $headers[] = get_string('last', 'scorm');
 133              $columns[] = 'score';
 134              $headers[] = get_string('score', 'scorm');
 135              if ($detailedrep && $scoes = $DB->get_records('scorm_scoes', array("scorm" => $scorm->id), 'sortorder, id')) {
 136                  foreach ($scoes as $sco) {
 137                      if ($sco->launch != '') {
 138                          $columns[] = 'scograde'.$sco->id;
 139                          $headers[] = format_string($sco->title);
 140                      }
 141                  }
 142              } else {
 143                  $scoes = null;
 144              }
 145  
 146              if (!$download) {
 147                  $table = new \flexible_table('mod-scorm-report');
 148  
 149                  $table->define_columns($columns);
 150                  $table->define_headers($headers);
 151                  $table->define_baseurl($PAGE->url);
 152  
 153                  $table->sortable(true);
 154                  $table->collapsible(true);
 155  
 156                  // This is done to prevent redundant data, when a user has multiple attempts.
 157                  $table->column_suppress('picture');
 158                  $table->column_suppress('fullname');
 159                  foreach ($extrafields as $field) {
 160                      $table->column_suppress($field);
 161                  }
 162  
 163                  $table->no_sorting('start');
 164                  $table->no_sorting('finish');
 165                  $table->no_sorting('score');
 166                  $table->no_sorting('checkbox');
 167                  $table->no_sorting('picture');
 168  
 169                  if ( $scoes ) {
 170                      foreach ($scoes as $sco) {
 171                          if ($sco->launch != '') {
 172                              $table->no_sorting('scograde'.$sco->id);
 173                          }
 174                      }
 175                  }
 176  
 177                  $table->column_class('picture', 'picture');
 178                  $table->column_class('fullname', 'bold');
 179                  $table->column_class('score', 'bold');
 180  
 181                  $table->set_attribute('cellspacing', '0');
 182                  $table->set_attribute('id', 'attempts');
 183                  $table->set_attribute('class', 'generaltable generalbox');
 184  
 185                  // Start working -- this is necessary as soon as the niceties are over.
 186                  $table->setup();
 187              } else if ($download == 'ODS') {
 188                  require_once("$CFG->libdir/odslib.class.php");
 189  
 190                  $filename .= ".ods";
 191                  // Creating a workbook.
 192                  $workbook = new \MoodleODSWorkbook("-");
 193                  // Sending HTTP headers.
 194                  $workbook->send($filename);
 195                  // Creating the first worksheet.
 196                  $sheettitle = get_string('report', 'scorm');
 197                  $myxls = $workbook->add_worksheet($sheettitle);
 198                  // Format types.
 199                  $format = $workbook->add_format();
 200                  $format->set_bold(0);
 201                  $formatbc = $workbook->add_format();
 202                  $formatbc->set_bold(1);
 203                  $formatbc->set_align('center');
 204                  $formatb = $workbook->add_format();
 205                  $formatb->set_bold(1);
 206                  $formaty = $workbook->add_format();
 207                  $formaty->set_bg_color('yellow');
 208                  $formatc = $workbook->add_format();
 209                  $formatc->set_align('center');
 210                  $formatr = $workbook->add_format();
 211                  $formatr->set_bold(1);
 212                  $formatr->set_color('red');
 213                  $formatr->set_align('center');
 214                  $formatg = $workbook->add_format();
 215                  $formatg->set_bold(1);
 216                  $formatg->set_color('green');
 217                  $formatg->set_align('center');
 218                  // Here starts workshhet headers.
 219  
 220                  $colnum = 0;
 221                  foreach ($headers as $item) {
 222                      $myxls->write(0, $colnum, $item, $formatbc);
 223                      $colnum++;
 224                  }
 225                  $rownum = 1;
 226              } else if ($download == 'Excel') {
 227                  require_once("$CFG->libdir/excellib.class.php");
 228  
 229                  $filename .= ".xls";
 230                  // Creating a workbook.
 231                  $workbook = new \MoodleExcelWorkbook("-");
 232                  // Sending HTTP headers.
 233                  $workbook->send($filename);
 234                  // Creating the first worksheet.
 235                  $sheettitle = get_string('report', 'scorm');
 236                  $myxls = $workbook->add_worksheet($sheettitle);
 237                  // Format types.
 238                  $format = $workbook->add_format();
 239                  $format->set_bold(0);
 240                  $formatbc = $workbook->add_format();
 241                  $formatbc->set_bold(1);
 242                  $formatbc->set_align('center');
 243                  $formatb = $workbook->add_format();
 244                  $formatb->set_bold(1);
 245                  $formaty = $workbook->add_format();
 246                  $formaty->set_bg_color('yellow');
 247                  $formatc = $workbook->add_format();
 248                  $formatc->set_align('center');
 249                  $formatr = $workbook->add_format();
 250                  $formatr->set_bold(1);
 251                  $formatr->set_color('red');
 252                  $formatr->set_align('center');
 253                  $formatg = $workbook->add_format();
 254                  $formatg->set_bold(1);
 255                  $formatg->set_color('green');
 256                  $formatg->set_align('center');
 257  
 258                  $colnum = 0;
 259                  foreach ($headers as $item) {
 260                      $myxls->write(0, $colnum, $item, $formatbc);
 261                      $colnum++;
 262                  }
 263                  $rownum = 1;
 264              } else if ($download == 'CSV') {
 265                  $csvexport = new \csv_export_writer("tab");
 266                  $csvexport->set_filename($filename, ".txt");
 267                  $csvexport->add_data($headers);
 268              }
 269              // Construct the SQL.
 270              $select = 'SELECT DISTINCT '.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').' AS uniqueid, ';
 271              // TODO Does not support custom user profile fields (MDL-70456).
 272              $userfields = \core_user\fields::for_identity($coursecontext, false)->with_userpic()->including('idnumber');
 273              $selectfields = $userfields->get_sql('u', false, '', 'userid')->selects;
 274              $select .= 'st.scormid AS scormid, st.attempt AS attempt ' . $selectfields . ' ';
 275  
 276              // This part is the same for all cases - join users and scorm_scoes_track tables.
 277              $from = 'FROM {user} u ';
 278              $from .= 'LEFT JOIN {scorm_scoes_track} st ON st.userid = u.id AND st.scormid = '.$scorm->id;
 279              switch ($attemptsmode) {
 280                  case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH:
 281                      // Show only students with attempts.
 282                      $where = " WHERE u.id IN ({$allowedlistsql}) AND st.userid IS NOT NULL";
 283                      break;
 284                  case SCORM_REPORT_ATTEMPTS_STUDENTS_WITH_NO:
 285                      // Show only students without attempts.
 286                      $where = " WHERE u.id IN ({$allowedlistsql}) AND st.userid IS NULL";
 287                      break;
 288                  case SCORM_REPORT_ATTEMPTS_ALL_STUDENTS:
 289                      // Show all students with or without attempts.
 290                      $where = " WHERE u.id IN ({$allowedlistsql}) AND (st.userid IS NOT NULL OR st.userid IS NULL)";
 291                      break;
 292              }
 293  
 294              $countsql = 'SELECT COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'COALESCE(st.attempt, 0)').')) AS nbresults, ';
 295              $countsql .= 'COUNT(DISTINCT('.$DB->sql_concat('u.id', '\'#\'', 'st.attempt').')) AS nbattempts, ';
 296              $countsql .= 'COUNT(DISTINCT(u.id)) AS nbusers ';
 297              $countsql .= $from.$where;
 298  
 299              if (!$download) {
 300                  $sort = $table->get_sql_sort();
 301              } else {
 302                  $sort = '';
 303              }
 304              // Fix some wired sorting.
 305              if (empty($sort)) {
 306                  $sort = ' ORDER BY uniqueid';
 307              } else {
 308                  $sort = ' ORDER BY '.$sort;
 309              }
 310  
 311              if (!$download) {
 312                  // Add extra limits due to initials bar.
 313                  list($twhere, $tparams) = $table->get_sql_where();
 314                  if ($twhere) {
 315                      $where .= ' AND '.$twhere; // Initial bar.
 316                      $params = array_merge($params, $tparams);
 317                  }
 318  
 319                  if (!empty($countsql)) {
 320                      $count = $DB->get_record_sql($countsql, $params);
 321                      $totalinitials = $count->nbresults;
 322                      if ($twhere) {
 323                          $countsql .= ' AND '.$twhere;
 324                      }
 325                      $count = $DB->get_record_sql($countsql, $params);
 326                      $total  = $count->nbresults;
 327                  }
 328  
 329                  $table->pagesize($pagesize, $total);
 330  
 331                  echo \html_writer::start_div('scormattemptcounts');
 332                  if ( $count->nbresults == $count->nbattempts ) {
 333                      echo get_string('reportcountattempts', 'scorm', $count);
 334                  } else if ( $count->nbattempts > 0 ) {
 335                      echo get_string('reportcountallattempts', 'scorm', $count);
 336                  } else {
 337                      echo $count->nbusers.' '.get_string('users');
 338                  }
 339                  echo \html_writer::end_div();
 340              }
 341  
 342              // Fetch the attempts.
 343              if (!$download) {
 344                  $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params,
 345                  $table->get_page_start(), $table->get_page_size());
 346                  echo \html_writer::start_div('', array('id' => 'scormtablecontainer'));
 347                  if ($candelete) {
 348                      // Start form.
 349                      $strreallydel  = addslashes_js(get_string('deleteattemptcheck', 'scorm'));
 350                      echo \html_writer::start_tag('form', array('id' => 'attemptsform', 'method' => 'post',
 351                                                                  'action' => $PAGE->url->out(false),
 352                                                                  'onsubmit' => 'return confirm("'.$strreallydel.'");'));
 353                      echo \html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'action', 'value' => 'delete'));
 354                      echo \html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 355                      echo \html_writer::start_div('', array('style' => 'display: none;'));
 356                      echo \html_writer::input_hidden_params($PAGE->url);
 357                      echo \html_writer::end_div();
 358                      echo \html_writer::start_div();
 359                  }
 360                  $table->initialbars($totalinitials > 20); // Build table rows.
 361              } else {
 362                  $attempts = $DB->get_records_sql($select.$from.$where.$sort, $params);
 363              }
 364  
 365              if ($attempts) {
 366                  foreach ($attempts as $scouser) {
 367                      $row = array();
 368                      if (!empty($scouser->attempt)) {
 369                          $timetracks = scorm_get_sco_runtime($scorm->id, false, $scouser->userid, $scouser->attempt);
 370                      } else {
 371                          $timetracks = '';
 372                      }
 373                      if (in_array('checkbox', $columns)) {
 374                          if ($candelete && !empty($timetracks->start)) {
 375                              $row[] = $this->generate_row_checkbox('attemptid[]', "{$scouser->userid}:{$scouser->attempt}");
 376                          } else if ($candelete) {
 377                              $row[] = '';
 378                          }
 379                      }
 380                      if (in_array('picture', $columns)) {
 381                          $user = new \stdClass();
 382                          $additionalfields = explode(',', implode(',', \core_user\fields::get_picture_fields()));
 383                          $user = username_load_fields_from_object($user, $scouser, null, $additionalfields);
 384                          $user->id = $scouser->userid;
 385                          $row[] = $OUTPUT->user_picture($user, array('courseid' => $course->id));
 386                      }
 387                      if (!$download) {
 388                          $url = new \moodle_url('/user/view.php', array('id' => $scouser->userid, 'course' => $course->id));
 389                          $row[] = \html_writer::link($url, fullname($scouser));
 390                      } else {
 391                          $row[] = fullname($scouser);
 392                      }
 393                      foreach ($extrafields as $field) {
 394                          $row[] = s($scouser->{$field});
 395                      }
 396                      if (empty($timetracks->start)) {
 397                          $row[] = '-';
 398                          $row[] = '-';
 399                          $row[] = '-';
 400                          $row[] = '-';
 401                      } else {
 402                          if (!$download) {
 403                              $url = new \moodle_url('/mod/scorm/report/userreport.php', array('id' => $cm->id,
 404                                      'user' => $scouser->userid, 'attempt' => $scouser->attempt));
 405                              $row[] = \html_writer::link($url, $scouser->attempt);
 406                          } else {
 407                              $row[] = $scouser->attempt;
 408                          }
 409                          if ($download == 'ODS' || $download == 'Excel' ) {
 410                              $row[] = userdate($timetracks->start, get_string("strftimedatetime", "langconfig"));
 411                          } else {
 412                              $row[] = userdate($timetracks->start);
 413                          }
 414                          if ($download == 'ODS' || $download == 'Excel' ) {
 415                              $row[] = userdate($timetracks->finish, get_string('strftimedatetime', 'langconfig'));
 416                          } else {
 417                              $row[] = userdate($timetracks->finish);
 418                          }
 419                          $row[] = scorm_grade_user_attempt($scorm, $scouser->userid, $scouser->attempt);
 420                      }
 421                      // Print out all scores of attempt.
 422                      if ($scoes) {
 423                          foreach ($scoes as $sco) {
 424                              if ($sco->launch != '') {
 425                                  if ($trackdata = scorm_get_tracks($sco->id, $scouser->userid, $scouser->attempt)) {
 426                                      if ($trackdata->status == '') {
 427                                          $trackdata->status = 'notattempted';
 428                                      }
 429                                      $strstatus = get_string($trackdata->status, 'scorm');
 430                                      // If raw score exists, print it.
 431                                      if ($trackdata->score_raw != '') {
 432                                          $score = $trackdata->score_raw;
 433                                          // Add max score if it exists.
 434                                          if (scorm_version_check($scorm->version, SCORM_13)) {
 435                                              $maxkey = 'cmi.score.max';
 436                                          } else {
 437                                              $maxkey = 'cmi.core.score.max';
 438                                          }
 439                                          if (isset($trackdata->$maxkey)) {
 440                                              $score .= '/'.$trackdata->$maxkey;
 441                                          }
 442                                          // Else print out status.
 443                                      } else {
 444                                          $score = $strstatus;
 445                                      }
 446                                      if (!$download) {
 447                                          $url = new \moodle_url('/mod/scorm/report/userreporttracks.php', array('id' => $cm->id,
 448                                              'scoid' => $sco->id, 'user' => $scouser->userid, 'attempt' => $scouser->attempt));
 449                                          $row[] = $OUTPUT->pix_icon($trackdata->status, $strstatus, 'scorm') . '<br>' .
 450                                             \html_writer::link($url, $score, array('title' => get_string('details', 'scorm')));
 451                                      } else {
 452                                          $row[] = $score;
 453                                      }
 454                                  } else {
 455                                      // If we don't have track data, we haven't attempted yet.
 456                                      $strstatus = get_string('notattempted', 'scorm');
 457                                      if (!$download) {
 458                                          $row[] = $OUTPUT->pix_icon('notattempted', $strstatus, 'scorm') . '<br>' . $strstatus;
 459                                      } else {
 460                                          $row[] = $strstatus;
 461                                      }
 462                                  }
 463                              }
 464                          }
 465                      }
 466  
 467                      if (!$download) {
 468                          $table->add_data($row);
 469                      } else if ($download == 'Excel' or $download == 'ODS') {
 470                          $colnum = 0;
 471                          foreach ($row as $item) {
 472                              $myxls->write($rownum, $colnum, $item, $format);
 473                              $colnum++;
 474                          }
 475                          $rownum++;
 476                      } else if ($download == 'CSV') {
 477                          $csvexport->add_data($row);
 478                      }
 479                  }
 480                  if (!$download) {
 481                      $table->finish_output();
 482                      if ($candelete) {
 483                          echo \html_writer::start_tag('table', array('id' => 'commands'));
 484                          echo \html_writer::start_tag('tr').\html_writer::start_tag('td');
 485                          echo $this->generate_delete_selected_button();
 486                          echo \html_writer::end_tag('td').\html_writer::end_tag('tr').\html_writer::end_tag('table');
 487                          // Close form.
 488                          echo \html_writer::end_tag('div');
 489                          echo \html_writer::end_tag('form');
 490                      }
 491                      echo \html_writer::end_div();
 492                      if (!empty($attempts)) {
 493                          echo \html_writer::start_tag('table', array('class' => 'boxaligncenter')).\html_writer::start_tag('tr');
 494                          echo \html_writer::start_tag('td');
 495                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 496                                                                     array('download' => 'ODS') + $displayoptions),
 497                                                                     get_string('downloadods'));
 498                          echo \html_writer::end_tag('td');
 499                          echo \html_writer::start_tag('td');
 500                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 501                                                                     array('download' => 'Excel') + $displayoptions),
 502                                                                     get_string('downloadexcel'));
 503                          echo \html_writer::end_tag('td');
 504                          echo \html_writer::start_tag('td');
 505                          echo $OUTPUT->single_button(new \moodle_url($PAGE->url,
 506                                                                     array('download' => 'CSV') + $displayoptions),
 507                                                                     get_string('downloadtext'));
 508                          echo \html_writer::end_tag('td');
 509                          echo \html_writer::start_tag('td');
 510                          echo \html_writer::end_tag('td');
 511                          echo \html_writer::end_tag('tr').\html_writer::end_tag('table');
 512                      }
 513                  }
 514              } else {
 515                  if ($candelete && !$download) {
 516                      echo \html_writer::end_div();
 517                      echo \html_writer::end_tag('form');
 518                      $table->finish_output();
 519                  }
 520                  echo \html_writer::end_div();
 521              }
 522              // Show preferences form irrespective of attempts are there to report or not.
 523              if (!$download) {
 524                  $mform->set_data(compact('detailedrep', 'pagesize', 'attemptsmode'));
 525                  $mform->display();
 526              }
 527              if ($download == 'Excel' or $download == 'ODS') {
 528                  $workbook->close();
 529                  exit;
 530              } else if ($download == 'CSV') {
 531                  $csvexport->download_file();
 532                  exit;
 533              }
 534          } else {
 535              echo $OUTPUT->notification(get_string('noactivity', 'scorm'));
 536          }
 537      }// Function ends.
 538  }