mod/scorm/report/reportlib.php

   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 /**
  18  * Returns an array of reports to which are currently readable.
  19  * @package    mod_scorm
  20  * @author     Ankit Kumar Agarwal
  21  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  */
  23
  24 defined('MOODLE_INTERNAL') || die();
  25
  26 /* Generates and returns list of available Scorm report sub-plugins
  27  *
  28  * @param context context level to check caps against
  29  * @return array list of valid reports present
  30  */
  31 function scorm_report_list($context) {
  32     global $CFG;
  33     static $reportlist;
  34     if (!empty($reportlist)) {
  35         return $reportlist;
  36     }
  37     $installed = core_component::get_plugin_list('scormreport');
  38     foreach ($installed as $reportname => $notused) {
  39
  40         // Moodle 2.8+ style of autoloaded classes.
  41         $classname = "scormreport_$reportname\\report";
  42         if (class_exists($classname)) {
  43             $report = new $classname();
  44
  45             if ($report->canview($context)) {
  46                 $reportlist[] = $reportname;
  47             }
  48             continue;
  49         }
  50
  51         // Legacy style of naming classes.
  52         $pluginfile = $CFG->dirroot.'/mod/scorm/report/'.$reportname.'/report.php';
  53         if (is_readable($pluginfile)) {
  54             debugging("Please use autoloaded classnames for your plugin. Refer MDL-46469 for details", DEBUG_DEVELOPER);
  55             include_once($pluginfile);
  56             $reportclassname = "scorm_{$reportname}_report";
  57             if (class_exists($reportclassname)) {
  58                 $report = new $reportclassname();
  59
  60                 if ($report->canview($context)) {
  61                     $reportlist[] = $reportname;
  62                 }
  63             }
  64         }
  65     }
  66     return $reportlist;
  67 }
  68 /**
  69  * Returns The maximum numbers of Questions associated with an Scorm Pack
  70  *
  71  * @param int Scorm ID
  72  * @return int an integer representing the question count
  73  */
  74 function get_scorm_question_count($scormid) {
  75     global $DB;
  76     $count = 0;
  77     $params = array();
  78     $select = "scormid = ? AND ";
  79     $select .= $DB->sql_like("element", "?", false);
  80     $params[] = $scormid;
  81     $params[] = "cmi.interactions_%.id";
  82     $rs = $DB->get_recordset_select("scorm_scoes_track", $select, $params, 'element');
  83     $keywords = array("cmi.interactions_", ".id");
  84     if ($rs->valid()) {
  85         foreach ($rs as $record) {
  86             $num = trim(str_ireplace($keywords, '', $record->element));
  87             if (is_numeric($num) && $num > $count) {
  88                 $count = $num;
  89             }
  90         }
  91         // Done as interactions start at 0 (do only if we have something to report).
  92         $count++;
  93     }
  94     $rs->close(); // Closing recordset.
  95     return $count;
  96 }