ilAssQuestionPreviewHintTracking Class Reference

Collaboration diagram for ilAssQuestionPreviewHintTracking:

Public Member Functions
	__construct (ilDB $db, ilAssQuestionPreviewSession $previewSession)
	requestsExist ()
	requestsPossible ()
	getNextRequestableHint ()
	storeRequest (ilAssQuestionHint $questionHint)
	isRequested ($hintId)
	getNumExistingRequests ()
	getRequestedHintsList ()

Private Attributes
	$db
	$previewSession

Detailed Description

Definition at line 11 of file class.ilAssQuestionPreviewHintTracking.php.

Constructor & Destructor Documentation

__construct()

ilAssQuestionPreviewHintTracking::__construct	(	ilDB	$db,
		ilAssQuestionPreviewSession	$previewSession
	)

Definition at line 23 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                $this->db = $db;
                $this->previewSession = $previewSession;
        }

References $db, and $previewSession.

Member Function Documentation

getNextRequestableHint()

ilAssQuestionPreviewHintTracking::getNextRequestableHint

(

)

Definition at line 58 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                $query = "
                        SELECT          qht_hint_id
                        
                        FROM            qpl_hints
                        
                        WHERE           qht_question_fi = %s
                        
                        ORDER BY        qht_hint_index ASC
                ";
 
                $res = $this->db->queryF(
                        $query, array('integer'), array($this->previewSession->getQuestionId())
                );
 
                while( $row = $this->db->fetchAssoc($res) )
                {
                        if( !$this->isRequested($row['qht_hint_id']) )
                        {
                                return ilAssQuestionHint::getInstanceById($row['qht_hint_id']);
                        }
                }
 
                throw new ilTestException(
                        "no next hint found for questionId={$this->previewSession->getQuestionId()}, userId={$this->previewSession->getUserId()}"
                );
        }

References $query, $res, $row, ilAssQuestionHint\getInstanceById(), and isRequested().

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getNumExistingRequests()

ilAssQuestionPreviewHintTracking::getNumExistingRequests

(

)

Definition at line 97 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                return $this->previewSession->getNumRequestedHints();
        }

getRequestedHintsList()

ilAssQuestionPreviewHintTracking::getRequestedHintsList

(

)

Definition at line 102 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                $hintIds = $this->previewSession->getRequestedHints();
 
                $requestedHintsList = ilAssQuestionHintList::getListByHintIds($hintIds);
 
                return $requestedHintsList;
        }

References ilAssQuestionHintList\getListByHintIds().

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isRequested()

ilAssQuestionPreviewHintTracking::isRequested

(

$hintId

)

Definition at line 92 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                return $this->previewSession->isHintRequested($hintId);
        }

Referenced by getNextRequestableHint().

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requestsExist()

ilAssQuestionPreviewHintTracking::requestsExist

(

)

Definition at line 29 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                return (
                        $this->previewSession->getNumRequestedHints() > 0
                );
        }

requestsPossible()

ilAssQuestionPreviewHintTracking::requestsPossible

(

)

Definition at line 36 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                $query = "
                        SELECT          COUNT(qht_hint_id) cnt_available
                        FROM            qpl_hints
                        WHERE           qht_question_fi = %s
                ";
 
                $res = $this->db->queryF(
                        $query, array('integer'), array($this->previewSession->getQuestionId())
                );
 
                $row = $this->db->fetchAssoc($res);
 
                if( $row['cnt_available'] > $this->previewSession->getNumRequestedHints() )
                {
                        return true;
                }
 
                return false;
        }

References $query, $res, and $row.

storeRequest()

ilAssQuestionPreviewHintTracking::storeRequest

(

ilAssQuestionHint

$questionHint

)

Definition at line 87 of file class.ilAssQuestionPreviewHintTracking.php.

        {
                $this->previewSession->addRequestedHint($questionHint->getId());
        }

References ilAssQuestionHint\getId().

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Field Documentation

$db

ilAssQuestionPreviewHintTracking::$db

private

Definition at line 16 of file class.ilAssQuestionPreviewHintTracking.php.

Referenced by __construct().

$previewSession

ilAssQuestionPreviewHintTracking::$previewSession

private

Definition at line 21 of file class.ilAssQuestionPreviewHintTracking.php.

Referenced by __construct().

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The documentation for this class was generated from the following file:

• Modules/TestQuestionPool/classes/class.ilAssQuestionPreviewHintTracking.php