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<?php
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/* For licensing terms, see /dokeos_license.txt */
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/**
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* Exercise class: This class allows to instantiate an object of type Exercise
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* @package dokeos.exercise
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* @author Olivier Brouckaert
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* @version $Id: exercise.class.php 22046 2009-07-14 01:45:19Z ivantcholakov $
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*/
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define('ALL_ON_ONE_PAGE',1);
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define('ONE_PER_PAGE',2);
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define('EXERCISE_FEEDBACK_TYPE_END',0);
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define('EXERCISE_FEEDBACK_TYPE_DIRECT',1);
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define('EXERCISE_FEEDBACK_TYPE_EXAM',2);
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if(!class_exists('Exercise')):
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class Exercise
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{
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var $id;
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var $exercise;
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var $description;
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var $sound;
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var $type;
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var $random;
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var $random_answers;
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var $active;
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var $timeLimit;
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var $attempts;
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var $feedbacktype;
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var $end_time;
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var $start_time;
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var $questionList; // array with the list of this exercise's questions
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var $results_disabled;
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var $expired_time;
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/**
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* constructor of the class
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*
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* @author - Olivier Brouckaert
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*/
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function Exercise()
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{
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$this->id=0;
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$this->exercise='';
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$this->description='';
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$this->sound='';
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$this->type=1;
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$this->random=0;
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$this->random_answers=0;
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$this->active=1;
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$this->questionList=array();
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$this->timeLimit = 0;
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$this->end_time = '0000-00-00 00:00:00';
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$this->start_time = '0000-00-00 00:00:00';
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$this->results_disabled =1;
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$this->expired_time = '0000-00-00 00:00:00';
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}
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/**
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* reads exercise informations from the data base
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*
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* @author - Olivier Brouckaert
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* @param - integer $id - exercise ID
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* @return - boolean - true if exercise exists, otherwise false
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*/
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function read($id)
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{
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global $_course;
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global $_configuration;
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global $questionList;
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
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$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
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#$TBL_REPONSES = Database::get_course_table(TABLE_QUIZ_ANSWER);
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$sql="SELECT title,description,sound,type,random, random_answers, active, results_disabled, max_attempt,start_time,end_time,feedback_type,expired_time FROM $TBL_EXERCICES WHERE id='".Database::escape_string($id)."'";
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$result=Database::query($sql,__FILE__,__LINE__);
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// if the exercise has been found
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if($object=Database::fetch_object($result))
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{
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$this->id=$id;
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$this->exercise=$object->title;
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$this->description=$object->description;
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$this->sound=$object->sound;
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$this->type=$object->type;
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$this->random=$object->random;
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$this->random_answers=$object->random_answers;
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$this->active=$object->active;
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$this->results_disabled =$object->results_disabled;
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$this->attempts = $object->max_attempt;
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$this->feedbacktype = $object->feedback_type;
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$this->end_time = $object->end_time;
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$this->start_time = $object->start_time;
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$this->expired_time = $object->expired_time;
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$sql="SELECT question_id, question_order FROM $TBL_EXERCICE_QUESTION,$TBL_QUESTIONS WHERE question_id=id AND exercice_id='".Database::escape_string($id)."' ORDER BY question_order";
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$result=Database::query($sql,__FILE__,__LINE__);
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// fills the array with the question ID for this exercise
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// the key of the array is the question position
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while($object=Database::fetch_object($result))
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{
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// makes sure that the question position is unique
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while(isset($this->questionList[$object->question_order]))
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{
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$object->question_order++;
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}
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$this->questionList[$object->question_order]=$object->question_id;
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}
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//var_dump($this->end_time,$object->start_time);
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if($this->random > 0){
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$this->questionList = $this->selectRandomList();
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}
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//overload questions list with recorded questions list
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//load questions only for exercises of type 'one question per page'
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//this is needed only is there is no questions
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//
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if($this->type == 2 && $_configuration['live_exercise_tracking']==true && $_SERVER['REQUEST_METHOD']!='POST' && defined('QUESTION_LIST_ALREADY_LOGGED'))
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{
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//if(empty($_SESSION['questionList']))
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$this->questionList = $questionList;
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}
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return true;
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}
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// exercise not found
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return false;
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}
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/**
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* returns the exercise ID
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*
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* @author - Olivier Brouckaert
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* @return - integer - exercise ID
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*/
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function selectId()
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{
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return $this->id;
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}
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/**
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* returns the exercise title
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise title
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*/
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function selectTitle()
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{
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return $this->exercise;
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}
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/**
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* returns the number of attempts setted
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*
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* @return - numeric - exercise attempts
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*/
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function selectAttempts()
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{
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return $this->attempts;
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}
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/** returns the number of FeedbackType *
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* 0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
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* @return - numeric - exercise attempts
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*/
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function selectFeedbackType()
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{
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return $this->feedbacktype;
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}
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/**
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* returns the time limit
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*/
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function selectTimeLimit()
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{
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return $this->timeLimit;
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}
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/**
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* returns the exercise description
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise description
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*/
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function selectDescription()
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{
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return $this->description;
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}
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/**
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* returns the exercise sound file
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise description
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*/
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function selectSound()
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{
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return $this->sound;
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}
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/**
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* returns the exercise type
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*
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* @author - Olivier Brouckaert
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* @return - integer - exercise type
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*/
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function selectType()
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{
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return $this->type;
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}
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/**
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* tells if questions are selected randomly, and if so returns the draws
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*
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* @author - Carlos Vargas
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* @return - integer - results disabled exercise
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*/
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function selectResultsDisabled()
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{
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return $this->results_disabled;
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}
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/**
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* tells if questions are selected randomly, and if so returns the draws
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*
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* @author - Olivier Brouckaert
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* @return - integer - 0 if not random, otherwise the draws
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*/
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function isRandom()
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{
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if($this->random > 0){
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return true;
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}
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else{
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return false;
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}
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}
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/**
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* returns random answers status.
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*
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* @author - Juan Carlos Ra<EFBFBD>a
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*/
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function selectRandomAnswers()
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{
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$this->random_answers;
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return $this->random_answers;
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}
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/**
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* Same as isRandom() but has a name applied to values different than 0 or 1
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*/
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function getShuffle()
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{
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return $this->random;
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}
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/**
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* returns the exercise status (1 = enabled ; 0 = disabled)
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*
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* @author - Olivier Brouckaert
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* @return - boolean - true if enabled, otherwise false
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*/
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function selectStatus()
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{
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return $this->active;
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}
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/**
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* returns the array with the question ID list
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*
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* @author - Olivier Brouckaert
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* @return - array - question ID list
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*/
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function selectQuestionList()
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{
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return $this->questionList;
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}
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/**
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* returns the number of questions in this exercise
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*
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* @author - Olivier Brouckaert
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* @return - integer - number of questions
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*/
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function selectNbrQuestions()
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{
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return sizeof($this->questionList);
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}
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/**
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* selects questions randomly in the question list
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*
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* @author - Olivier Brouckaert
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* @return - array - if the exercise is not set to take questions randomly, returns the question list
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* without randomizing, otherwise, returns the list with questions selected randomly
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*/
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function selectRandomList()
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{
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$nbQuestions = $this->selectNbrQuestions();
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$temp_list = $this->questionList;
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//error_log(print_r($temp_list,true));
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//error_log(count($temp_list));
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if (count($temp_list)<>0) {
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shuffle($temp_list);
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return array_combine(range(1,$nbQuestions),$temp_list);
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}
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$nbQuestions = $this->selectNbrQuestions();
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//Not a random exercise, or if there are not at least 2 questions
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if($this->random == 0 || $nbQuestions < 2)
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{
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return $this->questionList;
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}
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$randQuestionList = array();
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$alreadyChosen = array();
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for($i=0; $i < $this->random; $i++)
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{
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if($i < $nbQuestions){
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do
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{
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$rand=rand(1,$nbQuestions);
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}
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while(in_array($rand,$alreadyChosen));
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$alreadyChosen[]=$rand;
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$randQuestionList[$rand] = $this->questionList[$rand];
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}
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}
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return $randQuestionList;
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}
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/**
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* returns 'true' if the question ID is in the question list
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*
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* @author - Olivier Brouckaert
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* @param - integer $questionId - question ID
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* @return - boolean - true if in the list, otherwise false
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*/
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function isInList($questionId)
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{
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if (is_array($this->questionList))
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return in_array($questionId,$this->questionList);
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else
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return false;
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}
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/**
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* changes the exercise title
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*
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* @author - Olivier Brouckaert
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* @param - string $title - exercise title
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*/
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function updateTitle($title)
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{
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$this->exercise=$title;
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}
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/**
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* changes the exercise max attempts
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*
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* @param - numeric $attempts - exercise max attempts
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*/
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function updateAttempts($attempts)
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{
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$this->attempts=$attempts;
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}
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/**
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* changes the exercise feedback type
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*
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* @param - numeric $attempts - exercise max attempts
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*/
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function updateFeedbackType($feedback_type)
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{
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$this->feedbacktype=$feedback_type;
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}
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/**
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* changes the exercise description
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*
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* @author - Olivier Brouckaert
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* @param - string $description - exercise description
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*/
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function updateDescription($description)
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{
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$this->description=$description;
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}
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/**
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* changes the exercise expired_time
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*
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* @author - Isaac flores
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* @param - int The expired time of the quiz
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*/
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function updateExpiredTime($expired_time)
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{
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$this->expired_time = $expired_time;
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}
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/**
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* changes the exercise sound file
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*
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* @author - Olivier Brouckaert
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* @param - string $sound - exercise sound file
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* @param - string $delete - ask to delete the file
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*/
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function updateSound($sound,$delete)
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{
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global $audioPath, $documentPath,$_course, $_user;
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$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
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$TBL_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
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if($sound['size'] && (strstr($sound['type'],'audio') || strstr($sound['type'],'video')))
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{
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$this->sound=$sound['name'];
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if(@move_uploaded_file($sound['tmp_name'],$audioPath.'/'.$this->sound))
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{
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$query="SELECT 1 FROM $TBL_DOCUMENT "
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." WHERE path='".str_replace($documentPath,'',$audioPath).'/'.$this->sound."'";
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$result=Database::query($query,__FILE__,__LINE__);
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if(!Database::num_rows($result))
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{
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/*$query="INSERT INTO $TBL_DOCUMENT(path,filetype) VALUES "
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." ('".str_replace($documentPath,'',$audioPath).'/'.$this->sound."','file')";
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Database::query($query,__FILE__,__LINE__);*/
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$id = add_document($_course,str_replace($documentPath,'',$audioPath).'/'.$this->sound,'file',$sound['size'],$sound['name']);
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//$id = Database::insert_id();
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//$time = time();
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//$time = date("Y-m-d H:i:s", $time);
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// insert into the item_property table, using default visibility of "visible"
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/*$query = "INSERT INTO $TBL_ITEM_PROPERTY "
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."(tool, ref, insert_user_id,to_group_id, insert_date, lastedit_date, lastedit_type) "
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." VALUES "
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."('".TOOL_DOCUMENT."', $id, $_user['user_id'], 0, '$time', '$time', 'DocumentAdded' )";
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Database::query($query,__FILE__,__LINE__);*/
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api_item_property_update($_course, TOOL_DOCUMENT, $id, 'DocumentAdded',$_user['user_id']);
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item_property_update_on_folder($_course,str_replace($documentPath,'',$audioPath),$_user['user_id']);
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}
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}
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}
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elseif($delete && is_file($audioPath.'/'.$this->sound))
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{
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$this->sound='';
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}
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}
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/**
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* changes the exercise type
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*
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* @author - Olivier Brouckaert
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* @param - integer $type - exercise type
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*/
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function updateType($type)
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{
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$this->type=$type;
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}
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/**
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* sets to 0 if questions are not selected randomly
|
|
|
* if questions are selected randomly, sets the draws
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
* @param - integer $random - 0 if not random, otherwise the draws
|
|
|
*/
|
|
|
function setRandom($random)
|
|
|
{
|
|
|
$this->random=$random;
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* sets to 0 if answers are not selected randomly
|
|
|
* if answers are selected randomly
|
|
|
* @author - Juan Carlos Ra<EFBFBD>a
|
|
|
* @param - integer $random_answers - random answers
|
|
|
*/
|
|
|
function updateRandomAnswers($random_answers)
|
|
|
{
|
|
|
$this->$random_answers = $random_answers;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* enables the exercise
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
*/
|
|
|
function enable()
|
|
|
{
|
|
|
$this->active=1;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* disables the exercise
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
*/
|
|
|
function disable()
|
|
|
{
|
|
|
$this->active=0;
|
|
|
}
|
|
|
|
|
|
function disable_results()
|
|
|
{
|
|
|
$this->results_disabled = true;
|
|
|
}
|
|
|
|
|
|
function enable_results()
|
|
|
{
|
|
|
$this->results_disabled = false;
|
|
|
}
|
|
|
function updateResultsDisabled($results_disabled)
|
|
|
{
|
|
|
if ($results_disabled==1){
|
|
|
$this->results_disabled = true;
|
|
|
} else {
|
|
|
$this->results_disabled = false;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* updates the exercise in the data base
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
*/
|
|
|
function save($type_e='')
|
|
|
{
|
|
|
global $_course,$_user;
|
|
|
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
|
|
|
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
|
|
|
$TBL_QUIZ_QUESTION= Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
|
|
|
|
|
|
|
|
|
$id = $this->id;
|
|
|
$exercise = $this->exercise;
|
|
|
$description = $this->description;
|
|
|
$sound = $this->sound;
|
|
|
$type = $this->type;
|
|
|
$attempts = $this->attempts;
|
|
|
$feedbacktype = $this->feedbacktype;
|
|
|
$random = $this->random;
|
|
|
$random_answers = $this->random_answers;
|
|
|
$active = $this->active;
|
|
|
$session_id = api_get_session_id();
|
|
|
$expired_time = $this->expired_time;
|
|
|
|
|
|
if ($feedbacktype==1){
|
|
|
$results_disabled = 1;
|
|
|
} else {
|
|
|
$results_disabled = intval($this->results_disabled);
|
|
|
}
|
|
|
$start_time = Database::escape_string($this->start_time);
|
|
|
$end_time = Database::escape_string($this->end_time);
|
|
|
// exercise already exists
|
|
|
if($id) {
|
|
|
/*
|
|
|
title='".Database::escape_string(Security::remove_XSS($exercise))."',
|
|
|
description='".Database::escape_string(Security::remove_XSS(api_html_entity_decode($description),COURSEMANAGERLOWSECURITY))."'";
|
|
|
*/
|
|
|
$sql="UPDATE $TBL_EXERCICES SET
|
|
|
title='".Database::escape_string($exercise)."',
|
|
|
description='".Database::escape_string($description)."'";
|
|
|
|
|
|
if ($type_e != 'simple') {
|
|
|
$sql .= ", sound='".Database::escape_string($sound)."',
|
|
|
type='".Database::escape_string($type)."',
|
|
|
random='".Database::escape_string($random)."',
|
|
|
random_answers='".Database::escape_string($random_answers)."',
|
|
|
active='".Database::escape_string($active)."',
|
|
|
feedback_type='".Database::escape_string($feedbacktype)."',
|
|
|
start_time='$start_time',end_time='$end_time',
|
|
|
max_attempt='".Database::escape_string($attempts)."',
|
|
|
expired_time='".Database::escape_string($expired_time)."',
|
|
|
results_disabled='".Database::escape_string($results_disabled)."'";
|
|
|
}
|
|
|
$sql .= " WHERE id='".Database::escape_string($id)."'";
|
|
|
|
|
|
// echo $sql;
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
|
|
|
// update into the item_property table
|
|
|
api_item_property_update($_course, TOOL_QUIZ, $id,'QuizUpdated',$_user['user_id']);
|
|
|
|
|
|
if (api_get_setting('search_enabled')=='true') {
|
|
|
$this -> search_engine_edit();
|
|
|
}
|
|
|
|
|
|
} else {// creates a new exercise
|
|
|
//add condition by anonymous user
|
|
|
|
|
|
/*if (!api_is_anonymous()) {
|
|
|
//is course manager
|
|
|
$cond1=Database::escape_string($exercise);
|
|
|
$cond2=Database::escape_string($description);
|
|
|
} else {
|
|
|
//is anonymous user
|
|
|
$cond1=Database::escape_string(Security::remove_XSS($exercise));
|
|
|
$cond2=Database::escape_string(Security::remove_XSS(api_html_entity_decode($description),COURSEMANAGERLOWSECURITY));
|
|
|
}*/
|
|
|
$sql="INSERT INTO $TBL_EXERCICES (start_time, end_time, title, description, sound, type, random, random_answers,active, results_disabled, max_attempt, feedback_type, expired_time, session_id)
|
|
|
VALUES(
|
|
|
'$start_time','$end_time',
|
|
|
'".Database::escape_string($exercise)."',
|
|
|
'".Database::escape_string($description)."',
|
|
|
'".Database::escape_string($sound)."',
|
|
|
'".Database::escape_string($type)."',
|
|
|
'".Database::escape_string($random)."',
|
|
|
'".Database::escape_string($random_answers)."',
|
|
|
'".Database::escape_string($active)."',
|
|
|
'".Database::escape_string($results_disabled)."',
|
|
|
'".Database::escape_string($attempts)."',
|
|
|
'".Database::escape_string($feedbacktype)."',
|
|
|
'".Database::escape_string($expired_time)."',
|
|
|
'".Database::escape_string($session_id)."'
|
|
|
)";
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
$this->id=Database::insert_id();
|
|
|
// insert into the item_property table
|
|
|
|
|
|
api_item_property_update($_course, TOOL_QUIZ, $this->id,'QuizAdded',$_user['user_id']);
|
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
|
|
|
$this -> search_engine_save();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
// updates the question position
|
|
|
$this->update_question_positions();
|
|
|
}
|
|
|
|
|
|
function update_question_positions() {
|
|
|
// updates the question position
|
|
|
$TBL_QUIZ_QUESTION= Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
|
|
|
foreach($this->questionList as $position=>$questionId)
|
|
|
{
|
|
|
//$sql="UPDATE $TBL_QUESTIONS SET position='".Database::escape_string($position)."' WHERE id='".Database::escape_string($questionId)."'";
|
|
|
$sql="UPDATE $TBL_QUIZ_QUESTION SET question_order='".Database::escape_string($position)."' " .
|
|
|
"WHERE question_id='".Database::escape_string($questionId)."' and exercice_id=".Database::escape_string($this->id)."";
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* moves a question up in the list
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
* @author - Julio Montoya (rewrote the code)
|
|
|
* @param - integer $id - question ID to move up
|
|
|
*/
|
|
|
function moveUp($id)
|
|
|
{
|
|
|
// there is a bug with some version of PHP with the key and prev functions
|
|
|
// the script commented was tested in dev.dokeos.com with no success
|
|
|
// Instead of using prev and next this was change with arrays.
|
|
|
/*
|
|
|
foreach($this->questionList as $position=>$questionId)
|
|
|
{
|
|
|
// if question ID found
|
|
|
if($questionId == $id)
|
|
|
{
|
|
|
// position of question in the array
|
|
|
echo $pos1=$position; //1
|
|
|
echo "<br>";
|
|
|
|
|
|
prev($this->questionList);
|
|
|
prev($this->questionList);
|
|
|
|
|
|
// position of previous question in the array
|
|
|
$pos2=key($this->questionList);
|
|
|
//if the cursor of the array hit the end
|
|
|
// then we must reset the array to get the previous key
|
|
|
|
|
|
if($pos2===null)
|
|
|
{
|
|
|
end($this->questionList);
|
|
|
prev($this->questionList);
|
|
|
$pos2=key($this->questionList);
|
|
|
}
|
|
|
|
|
|
// error, can't move question
|
|
|
if(!$pos2)
|
|
|
{
|
|
|
//echo 'cant move!';
|
|
|
$pos2=key($this->questionList);
|
|
|
reset($this->questionList);
|
|
|
}
|
|
|
$id2=$this->questionList[$pos2];
|
|
|
// exits foreach()
|
|
|
break;
|
|
|
}
|
|
|
$i++;
|
|
|
}
|
|
|
*/
|
|
|
$question_list =array();
|
|
|
foreach($this->questionList as $position=>$questionId)
|
|
|
{
|
|
|
$question_list[]= $questionId;
|
|
|
}
|
|
|
$len=count($question_list);
|
|
|
$orderlist=array_keys($this->questionList);
|
|
|
for($i=0;$i<$len;$i++)
|
|
|
{
|
|
|
$questionId = $question_list[$i];
|
|
|
if($questionId == $id)
|
|
|
{
|
|
|
// position of question in the array
|
|
|
$pos1=$orderlist[$i];
|
|
|
$pos2=$orderlist[$i-1];
|
|
|
if($pos2===null)
|
|
|
{
|
|
|
$pos2 = $orderlist[$len-1];
|
|
|
}
|
|
|
// error, can't move question
|
|
|
if(!$pos2)
|
|
|
{
|
|
|
$pos2=$orderlist[0];
|
|
|
$i=0;
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
// permutes questions in the array
|
|
|
$temp=$this->questionList[$pos2];
|
|
|
$this->questionList[$pos2]=$this->questionList[$pos1];
|
|
|
$this->questionList[$pos1]=$temp;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* moves a question down in the list
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
* @param - integer $id - question ID to move down
|
|
|
*/
|
|
|
function moveDown($id)
|
|
|
{
|
|
|
// there is a bug with some version of PHP with the key and prev functions
|
|
|
// the script commented was tested in dev.dokeos.com with no success
|
|
|
// Instead of using prev and next this was change with arrays.
|
|
|
|
|
|
/*
|
|
|
foreach($this->questionList as $position=>$questionId)
|
|
|
{
|
|
|
// if question ID found
|
|
|
if($questionId == $id)
|
|
|
{
|
|
|
// position of question in the array
|
|
|
$pos1=$position;
|
|
|
|
|
|
//next($this->questionList);
|
|
|
|
|
|
// position of next question in the array
|
|
|
$pos2=key($this->questionList);
|
|
|
|
|
|
// error, can't move question
|
|
|
if(!$pos2)
|
|
|
{
|
|
|
//echo 'cant move!';
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
$id2=$this->questionList[$pos2];
|
|
|
|
|
|
// exits foreach()
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
*/
|
|
|
|
|
|
$question_list =array();
|
|
|
foreach($this->questionList as $position=>$questionId)
|
|
|
{
|
|
|
$question_list[]= $questionId;
|
|
|
}
|
|
|
$len=count($question_list);
|
|
|
$orderlist=array_keys($this->questionList);
|
|
|
|
|
|
for($i=0;$i<$len;$i++)
|
|
|
{
|
|
|
$questionId = $question_list[$i];
|
|
|
if($questionId == $id)
|
|
|
{
|
|
|
$pos1=$orderlist[$i+1];
|
|
|
$pos2 =$orderlist[$i];
|
|
|
if(!$pos2)
|
|
|
{
|
|
|
//echo 'cant move!';
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// permutes questions in the array
|
|
|
$temp=$this->questionList[$pos2];
|
|
|
$this->questionList[$pos2]=$this->questionList[$pos1];
|
|
|
$this->questionList[$pos1]=$temp;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* adds a question into the question list
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
* @param - integer $questionId - question ID
|
|
|
* @return - boolean - true if the question has been added, otherwise false
|
|
|
*/
|
|
|
function addToList($questionId)
|
|
|
{
|
|
|
// checks if the question ID is not in the list
|
|
|
if(!$this->isInList($questionId))
|
|
|
{
|
|
|
// selects the max position
|
|
|
if(!$this->selectNbrQuestions())
|
|
|
{
|
|
|
$pos=1;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if (is_array($this->questionList))
|
|
|
$pos=max(array_keys($this->questionList))+1;
|
|
|
}
|
|
|
|
|
|
$this->questionList[$pos]=$questionId;
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* removes a question from the question list
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
* @param - integer $questionId - question ID
|
|
|
* @return - boolean - true if the question has been removed, otherwise false
|
|
|
*/
|
|
|
function removeFromList($questionId)
|
|
|
{
|
|
|
// searches the position of the question ID in the list
|
|
|
$pos=array_search($questionId,$this->questionList);
|
|
|
|
|
|
// question not found
|
|
|
if($pos === false)
|
|
|
{
|
|
|
return false;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
// deletes the position from the array containing the wanted question ID
|
|
|
unset($this->questionList[$pos]);
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* deletes the exercise from the database
|
|
|
* Notice : leaves the question in the data base
|
|
|
*
|
|
|
* @author - Olivier Brouckaert
|
|
|
*/
|
|
|
function delete(){
|
|
|
global $_course,$_user;
|
|
|
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
|
|
|
$sql="UPDATE $TBL_EXERCICES SET active='-1' WHERE id='".Database::escape_string($this->id)."'";
|
|
|
Database::query($sql);
|
|
|
api_item_property_update($_course, TOOL_QUIZ, $this->id,'QuizDeleted',$_user['user_id']);
|
|
|
|
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian') ) {
|
|
|
$this -> search_engine_delete();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* Creates the form to create / edit an exercise
|
|
|
* @param FormValidator $form the formvalidator instance (by reference)
|
|
|
*/
|
|
|
function createForm ($form, $type='full')
|
|
|
{
|
|
|
global $id;
|
|
|
if(empty($type)){
|
|
|
$type='full';
|
|
|
}
|
|
|
// form title
|
|
|
if (!empty($_GET['exerciseId'])) {
|
|
|
$form_title = get_lang('ModifyExercise');
|
|
|
} else {
|
|
|
$form_title = get_lang('NewEx');
|
|
|
}
|
|
|
$form->addElement('header', '', $form_title);
|
|
|
// title
|
|
|
$form -> addElement('text', 'exerciseTitle', get_lang('ExerciseName'),'class="input_titles" id="exercise_title"');
|
|
|
//$form->applyFilter('exerciseTitle','html_filter');
|
|
|
|
|
|
$form -> addElement('html','<div class="row">
|
|
|
<div class="label"></div>
|
|
|
<div class="formw" style="height:50px">
|
|
|
<a href="javascript://" onclick=" return show_media()"> <span id="media_icon"> <img style="vertical-align: middle;" src="../img/looknfeel.png" alt="" /> '.get_lang('ExerciseDescription').'</span></a>
|
|
|
</div>
|
|
|
</div>');
|
|
|
|
|
|
$editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
|
|
|
if(is_array($type)){
|
|
|
$editor_config = array_merge($editor_config, $type);
|
|
|
}
|
|
|
|
|
|
$form -> addElement ('html','<div class="HideFCKEditor" id="HiddenFCKexerciseDescription" >');
|
|
|
$form -> add_html_editor('exerciseDescription', get_lang('langExerciseDescription'), false, false, $editor_config);
|
|
|
$form -> addElement ('html','</div>');
|
|
|
|
|
|
|
|
|
$form -> addElement('html','<div class="row">
|
|
|
<div class="label"> </div>
|
|
|
<div class="formw">
|
|
|
<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" ><img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.get_lang('AdvancedParameters').'</div></span></a>
|
|
|
</div>
|
|
|
</div>');
|
|
|
|
|
|
// Random questions
|
|
|
$form -> addElement('html','<div id="options" style="display:none">');
|
|
|
|
|
|
if($type=='full') {
|
|
|
// feedback type
|
|
|
$radios_feedback = array();
|
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0');
|
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2');
|
|
|
$form -> addGroup($radios_feedback, null, get_lang('FeedbackType'));
|
|
|
|
|
|
$feedback_option[0]=get_lang('ExerciseAtTheEndOfTheTest');
|
|
|
$feedback_option[1]=get_lang('DirectFeedback');
|
|
|
$feedback_option[2]=get_lang('NoFeedback');
|
|
|
|
|
|
//Can't modify a DirectFeedback question
|
|
|
if ($this->selectFeedbackType() != 1 ) {
|
|
|
// $form -> addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
|
|
|
// test type
|
|
|
$radios = array();
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('QuestionsPerPageOne'),'2','onclick = "check_per_page_one() " ');
|
|
|
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('QuestionsPerPageAll'),'1',array('onclick' => 'check_per_page_all()', 'id'=>'OptionPageAll'));
|
|
|
|
|
|
$form -> addGroup($radios, null, get_lang('QuestionsPerPage'));
|
|
|
} else {
|
|
|
// if is Directfeedback but has not questions we can allow to modify the question type
|
|
|
if ($this->selectNbrQuestions()== 0) {
|
|
|
$form -> addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
|
|
|
// test type
|
|
|
$radios = array();
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SimpleExercise'),'1');
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2');
|
|
|
$form -> addGroup($radios, null, get_lang('ExerciseType'));
|
|
|
} else {
|
|
|
//we force the options to the DirectFeedback exercisetype
|
|
|
$form -> addElement('hidden', 'exerciseFeedbackType','1');
|
|
|
$form -> addElement('hidden', 'exerciseType','2');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
$radios_results_disabled = array();
|
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('Yes'),'0');
|
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('No'),'1');
|
|
|
$form -> addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'));
|
|
|
|
|
|
$random = array();
|
|
|
$option=array();
|
|
|
$max = ($this->id > 0) ? $this->selectNbrQuestions() : 10 ;
|
|
|
$option = range(0,$max);
|
|
|
$option[0]=get_lang('No');
|
|
|
|
|
|
$random[] = FormValidator :: createElement ('select', 'randomQuestions',null,$option);
|
|
|
$random[] = FormValidator :: createElement ('static', 'help','help','<span style="font-style: italic;">'.get_lang('RandomQuestionsHelp').'</span>');
|
|
|
//$random[] = FormValidator :: createElement ('text', 'randomQuestions', null,null,'0');
|
|
|
$form -> addGroup($random,null,get_lang('RandomQuestions'),'<br />');
|
|
|
|
|
|
//random answers
|
|
|
$radios_random_answers = array();
|
|
|
$radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('Yes'),'1');
|
|
|
$radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('No'),'0');
|
|
|
$form -> addGroup($radios_random_answers, null, get_lang('RandomAnswers'));
|
|
|
|
|
|
//Attempts
|
|
|
$attempt_option=range(0,10);
|
|
|
$attempt_option[0]=get_lang('Infinite');
|
|
|
|
|
|
$form -> addElement('select', 'exerciseAttempts',get_lang('ExerciseAttempts'),$attempt_option);
|
|
|
|
|
|
$form -> addElement('checkbox', 'enabletimelimit',get_lang('EnableTimeLimits'),null,'onclick = " return timelimit() "');
|
|
|
$var= Exercise::selectTimeLimit();
|
|
|
|
|
|
if(($this -> start_time!='0000-00-00 00:00:00')||($this -> end_time!='0000-00-00 00:00:00'))
|
|
|
$form -> addElement('html','<div id="options2" style="display:block;">');
|
|
|
else
|
|
|
$form -> addElement('html','<div id="options2" style="display:none;">');
|
|
|
|
|
|
//$form -> addElement('date', 'start_time', get_lang('ExeStartTime'), array('language'=>'es','format' => 'dMYHi'));
|
|
|
//$form -> addElement('date', 'end_time', get_lang('ExeEndTime'), array('language'=>'es','format' => 'dMYHi'));
|
|
|
$form->addElement('datepicker', 'start_time', get_lang('ExeStartTime'), array('form_name'=>'exercise_admin'));
|
|
|
$form->addElement('datepicker', 'end_time', get_lang('ExeEndTime'), array('form_name'=>'exercise_admin'));
|
|
|
|
|
|
//$form -> addElement('select', 'enabletimercontroltotalminutes',get_lang('ExerciseTimerControlMinutes'),$time_minutes_option);
|
|
|
$form -> addElement('html','</div>');
|
|
|
|
|
|
|
|
|
$check_option=$this -> selectType();
|
|
|
// var_dump($check_option);
|
|
|
|
|
|
if ($check_option==1 && isset($_GET['exerciseId'])) {
|
|
|
$diplay = 'none';
|
|
|
} else {
|
|
|
$diplay = 'block';
|
|
|
}
|
|
|
|
|
|
$form -> addElement('html','<div id="divtimecontrol" style="display:'.$diplay.';">');
|
|
|
|
|
|
//Timer control
|
|
|
$time_hours_option = range(0,12);
|
|
|
$time_minutes_option = range(0,59);
|
|
|
$form -> addElement('checkbox', 'enabletimercontrol',get_lang('EnableTimerControl'),null,array('onclick' =>'option_time_expired()','id'=>'enabletimercontrol','onload'=>'check_load_time()'));
|
|
|
$expired_date = (int)$this->selectExpiredTime();
|
|
|
|
|
|
if(($expired_date!='0')) {
|
|
|
$form -> addElement('html','<div id="timercontrol" style="display:block;">');
|
|
|
} else {
|
|
|
$form -> addElement('html','<div id="timercontrol" style="display:none;">');
|
|
|
}
|
|
|
|
|
|
$form -> addElement('text', 'enabletimercontroltotalminutes',get_lang('ExerciseTotalDurationInMinutes'),array('style' => 'width : 35px','id' => 'enabletimercontroltotalminutes'));
|
|
|
$form -> addElement('html','</div>');
|
|
|
//$form -> addElement('text', 'exerciseAttempts', get_lang('ExerciseAttempts').' : ',array('size'=>'2'));
|
|
|
|
|
|
$form -> addElement('html','</div>'); //End advanced setting
|
|
|
$form -> addElement('html','</div>');
|
|
|
|
|
|
$defaults = array();
|
|
|
|
|
|
if (api_get_setting('search_enabled') === 'true') {
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
|
|
|
|
|
|
$form -> addElement ('checkbox', 'index_document','', get_lang('SearchFeatureDoIndexDocument'));
|
|
|
$form -> addElement ('html','<br /><div class="row">');
|
|
|
$form -> addElement ('html', '<div class="label">'. get_lang('SearchFeatureDocumentLanguage') .'</div>');
|
|
|
$form -> addElement ('html', '<div class="formw">'. api_get_languages_combo() .'</div>');
|
|
|
$form -> addElement ('html','</div><div class="sub-form">');
|
|
|
|
|
|
$specific_fields = get_specific_field_list();
|
|
|
foreach ($specific_fields as $specific_field) {
|
|
|
$form -> addElement ('text', $specific_field['code'], $specific_field['name']);
|
|
|
$filter = array('course_code'=> "'". api_get_course_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => $this->id, 'tool_id' => '\''. TOOL_QUIZ .'\'');
|
|
|
$values = get_specific_field_values_list($filter, array('value'));
|
|
|
if ( !empty($values) ) {
|
|
|
$arr_str_values = array();
|
|
|
foreach ($values as $value) {
|
|
|
$arr_str_values[] = $value['value'];
|
|
|
}
|
|
|
$defaults[$specific_field['code']] = implode(', ', $arr_str_values);
|
|
|
}
|
|
|
}
|
|
|
$form -> addElement ('html','</div>');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// submit
|
|
|
isset($_GET['exerciseId'])?$text=get_lang('ModifyExercise'):$text=get_lang('ProcedToQuestions');
|
|
|
$form -> addElement('html', '<br /><br />');
|
|
|
$form -> addElement('style_submit_button', 'submitExercise', $text, 'class="save"');
|
|
|
|
|
|
$form -> addRule ('exerciseTitle', get_lang('GiveExerciseName'), 'required');
|
|
|
if($type=='full') {
|
|
|
// rules
|
|
|
$form -> addRule ('exerciseAttempts', get_lang('Numeric'), 'numeric');
|
|
|
$form -> addRule ('start_time', get_lang('InvalidDate'), 'date');
|
|
|
$form -> addRule ('end_time', get_lang('InvalidDate'), 'date');
|
|
|
$form -> addRule(array ('start_time', 'end_time'), get_lang('StartDateShouldBeBeforeEndDate'), 'date_compare', 'lte');
|
|
|
}
|
|
|
|
|
|
// defaults
|
|
|
if($type=='full') {
|
|
|
if($this -> id > 0) {
|
|
|
if ($this -> random > $this->selectNbrQuestions()) {
|
|
|
$defaults['randomQuestions'] = $this->selectNbrQuestions();
|
|
|
} else {
|
|
|
$defaults['randomQuestions'] = $this -> random;
|
|
|
}
|
|
|
$defaults['randomAnswers'] = $this ->selectRandomAnswers();
|
|
|
$defaults['exerciseType'] = $this -> selectType();
|
|
|
$defaults['exerciseTitle'] = $this -> selectTitle();
|
|
|
$defaults['exerciseDescription'] = $this -> selectDescription();
|
|
|
$defaults['exerciseAttempts'] = $this->selectAttempts();
|
|
|
$defaults['exerciseFeedbackType'] = $this->selectFeedbackType();
|
|
|
$defaults['results_disabled'] = $this->selectResultsDisabled();
|
|
|
|
|
|
if(($this -> start_time!='0000-00-00 00:00:00')||($this -> end_time!='0000-00-00 00:00:00'))
|
|
|
$defaults['enabletimelimit'] = 1;
|
|
|
|
|
|
$defaults['start_time'] = ($this->start_time!='0000-00-00 00:00:00')? $this -> start_time : date('Y-m-d 12:00:00');
|
|
|
$defaults['end_time'] = ($this->end_time!='0000-00-00 00:00:00')?$this -> end_time : date('Y-m-d 12:00:00',time()+84600);
|
|
|
|
|
|
//Get expired time
|
|
|
if($this -> expired_time != '0') {
|
|
|
$defaults['enabletimercontrol'] = 1;
|
|
|
$defaults['enabletimercontroltotalminutes'] = $this -> expired_time;
|
|
|
} else {
|
|
|
$defaults['enabletimercontroltotalminutes'] = 0;
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
$defaults['exerciseType'] = 2;
|
|
|
$defaults['exerciseAttempts'] = 0;
|
|
|
$defaults['randomQuestions'] = 0;
|
|
|
$defaults['randomAnswers'] = 0;
|
|
|
$defaults['exerciseDescription'] = '';
|
|
|
$defaults['exerciseFeedbackType'] = 0;
|
|
|
$defaults['results_disabled'] = 0;
|
|
|
|
|
|
$defaults['start_time'] = date('Y-m-d 12:00:00');
|
|
|
$defaults['end_time'] = date('Y-m-d 12:00:00',time()+84600);
|
|
|
}
|
|
|
} else {
|
|
|
$defaults['exerciseTitle'] = $this -> selectTitle();
|
|
|
$defaults['exerciseDescription'] = $this -> selectDescription();
|
|
|
}
|
|
|
|
|
|
if (api_get_setting('search_enabled') === 'true') {
|
|
|
$defaults['index_document'] = 'checked="checked"';
|
|
|
}
|
|
|
|
|
|
$form -> setDefaults($defaults);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* function which process the creation of exercises
|
|
|
* @param FormValidator $form the formvalidator instance
|
|
|
*/
|
|
|
function processCreation($form,$type='')
|
|
|
{
|
|
|
|
|
|
$this -> updateTitle($form -> getSubmitValue('exerciseTitle'));
|
|
|
$this -> updateDescription($form -> getSubmitValue('exerciseDescription'));
|
|
|
$this -> updateAttempts($form -> getSubmitValue('exerciseAttempts'));
|
|
|
$this -> updateFeedbackType($form -> getSubmitValue('exerciseFeedbackType'));
|
|
|
$this -> updateType($form -> getSubmitValue('exerciseType'));
|
|
|
$this -> setRandom($form -> getSubmitValue('randomQuestions'));
|
|
|
$this -> updateRandomAnswers($form -> getSubmitValue('randomAnswers'));
|
|
|
$this -> updateResultsDisabled($form -> getSubmitValue('results_disabled'));
|
|
|
$this -> updateExpiredTime($form -> getSubmitValue('enabletimercontroltotalminutes'));
|
|
|
|
|
|
if($form -> getSubmitValue('enabletimelimit')==1) {
|
|
|
$start_time = $form -> getSubmitValue('start_time');
|
|
|
$this->start_time = $start_time['Y'].'-'.$start_time['F'].'-'.$start_time['d'].' '.$start_time['H'].':'.$start_time['i'].':00';
|
|
|
$end_time = $form -> getSubmitValue('end_time');
|
|
|
$this->end_time = $end_time['Y'].'-'.$end_time['F'].'-'.$end_time['d'].' '.$end_time['H'].':'.$end_time['i'].':00';
|
|
|
} else {
|
|
|
$this->start_time = '0000-00-00 00:00:00';
|
|
|
$this->end_time = '0000-00-00 00:00:00';
|
|
|
}
|
|
|
|
|
|
if($form -> getSubmitValue('enabletimercontrol') == 1) {
|
|
|
$expired_total_time = $form -> getSubmitValue('enabletimercontroltotalminutes');
|
|
|
if ($this->expired_time == 0) {
|
|
|
$this->expired_time = $expired_total_time;
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
$this->expired_time = 0;
|
|
|
}
|
|
|
|
|
|
if($form -> getSubmitValue('randomAnswers') == 1) {
|
|
|
$this->random_answers=1;
|
|
|
} else {
|
|
|
$this->random_answers=0;
|
|
|
}
|
|
|
|
|
|
$this -> save($type);
|
|
|
}
|
|
|
|
|
|
function search_engine_save() {
|
|
|
if ($_POST['index_document'] != 1) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
$course_id = api_get_course_id();
|
|
|
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php');
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
|
|
|
|
|
|
$specific_fields = get_specific_field_list();
|
|
|
$ic_slide = new IndexableChunk();
|
|
|
|
|
|
$all_specific_terms = '';
|
|
|
foreach ($specific_fields as $specific_field) {
|
|
|
if (isset($_REQUEST[$specific_field['code']])) {
|
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
|
if (!empty($sterms)) {
|
|
|
$all_specific_terms .= ' '. $sterms;
|
|
|
$sterms = explode(',', $sterms);
|
|
|
foreach ($sterms as $sterm) {
|
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
|
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// build the chunk to index
|
|
|
$ic_slide->addValue("title", $this->exercise);
|
|
|
$ic_slide->addCourseId($course_id);
|
|
|
$ic_slide->addToolId(TOOL_QUIZ);
|
|
|
$xapian_data = array(
|
|
|
SE_COURSE_ID => $course_id,
|
|
|
SE_TOOL_ID => TOOL_QUIZ,
|
|
|
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
|
|
|
SE_USER => (int)api_get_user_id(),
|
|
|
);
|
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
|
$exercise_description = $all_specific_terms .' '. $this->description;
|
|
|
$ic_slide->addValue("content", $exercise_description);
|
|
|
|
|
|
$di = new DokeosIndexer();
|
|
|
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
|
|
|
$di->connectDb(NULL, NULL, $lang);
|
|
|
$di->addChunk($ic_slide);
|
|
|
|
|
|
//index and return search engine document id
|
|
|
$did = $di->index();
|
|
|
if ($did) {
|
|
|
// save it to db
|
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
|
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
function search_engine_edit() {
|
|
|
// update search enchine and its values table if enabled
|
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
|
|
|
$course_id = api_get_course_id();
|
|
|
|
|
|
// actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
|
|
|
// get search_did
|
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
|
$res = Database::query($sql, __FILE__, __LINE__);
|
|
|
|
|
|
if (Database::num_rows($res) > 0) {
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php');
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
|
|
|
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
|
|
|
|
|
|
$se_ref = Database::fetch_array($res);
|
|
|
$specific_fields = get_specific_field_list();
|
|
|
$ic_slide = new IndexableChunk();
|
|
|
|
|
|
$all_specific_terms = '';
|
|
|
foreach ($specific_fields as $specific_field) {
|
|
|
delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
|
|
|
if (isset($_REQUEST[$specific_field['code']])) {
|
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
|
$all_specific_terms .= ' '. $sterms;
|
|
|
$sterms = explode(',', $sterms);
|
|
|
foreach ($sterms as $sterm) {
|
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
|
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// build the chunk to index
|
|
|
$ic_slide->addValue("title", $this->exercise);
|
|
|
$ic_slide->addCourseId($course_id);
|
|
|
$ic_slide->addToolId(TOOL_QUIZ);
|
|
|
$xapian_data = array(
|
|
|
SE_COURSE_ID => $course_id,
|
|
|
SE_TOOL_ID => TOOL_QUIZ,
|
|
|
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
|
|
|
SE_USER => (int)api_get_user_id(),
|
|
|
);
|
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
|
$exercise_description = $all_specific_terms .' '. $this->description;
|
|
|
$ic_slide->addValue("content", $exercise_description);
|
|
|
|
|
|
$di = new DokeosIndexer();
|
|
|
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
|
|
|
$di->connectDb(NULL, NULL, $lang);
|
|
|
$di->remove_document((int)$se_ref['search_did']);
|
|
|
$di->addChunk($ic_slide);
|
|
|
|
|
|
//index and return search engine document id
|
|
|
$did = $di->index();
|
|
|
if ($did) {
|
|
|
// save it to db
|
|
|
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=\'%s\'';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
//var_dump($sql);
|
|
|
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
|
|
|
Database::query($sql,__FILE__,__LINE__);
|
|
|
}
|
|
|
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
function search_engine_delete() {
|
|
|
// remove from search engine if enabled
|
|
|
if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian') ) {
|
|
|
$course_id = api_get_course_id();
|
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
|
$res = Database::query($sql, __FILE__, __LINE__);
|
|
|
if (Database::num_rows($res) > 0) {
|
|
|
$row = Database::fetch_array($res);
|
|
|
require_once(api_get_path(LIBRARY_PATH) .'search/DokeosIndexer.class.php');
|
|
|
$di = new DokeosIndexer();
|
|
|
$di->remove_document((int)$row['search_did']);
|
|
|
unset($di);
|
|
|
$tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
|
|
|
foreach ( $this->questionList as $question_i) {
|
|
|
$sql = 'SELECT type FROM %s WHERE id=%s';
|
|
|
$sql = sprintf($sql, $tbl_quiz_question, $question_i);
|
|
|
$qres = Database::query($sql, __FILE__, __LINE__);
|
|
|
if (Database::num_rows($qres) > 0) {
|
|
|
$qrow = Database::fetch_array($qres);
|
|
|
$objQuestion = Question::getInstance($qrow['type']);
|
|
|
$objQuestion = Question::read((int)$question_i);
|
|
|
$objQuestion->search_engine_edit($this->id, FALSE, TRUE);
|
|
|
unset($objQuestion);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
|
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
|
Database::query($sql, __FILE__, __LINE__);
|
|
|
|
|
|
// remove terms from db
|
|
|
require_once(api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php');
|
|
|
delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
|
|
|
}
|
|
|
}
|
|
|
function selectExpiredTime() {
|
|
|
return $this->expired_time;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
endif;
|
|
|
?>
|
|
|
|
