ILIAS\LearningModule\Question\Statistics\Retrieval Class Reference

Inheritance diagram for ILIAS\LearningModule\Question\Statistics\Retrieval:

Collaboration diagram for ILIAS\LearningModule\Question\Statistics\Retrieval:

Public Member Functions
	__construct (protected int $lm_id, protected QuestionInfo $question_info)
	getData (array $fields, ?Range $range=null, ?Order $order=null, array $filter=[], array $parameters=[])
	count (array $filter, array $parameters)
	isFieldNumeric (string $field)
	getData (array $fields, ?Range $range=null, ?Order $order=null, array $filter=[], array $parameters=[])
	count (array $filter, array $parameters)
	isFieldNumeric (string $field)

Protected Member Functions
	getQuestionData ()
	formatPercentage (int $value, int $all)

Protected Attributes
array	$question_data = null

Detailed Description

Definition at line 32 of file Retrieval.php.

Constructor & Destructor Documentation

__construct()

ILIAS\LearningModule\Question\Statistics\Retrieval::__construct	(	protected int	$lm_id,
		protected QuestionInfo	$question_info
	)

Definition at line 38 of file Retrieval.php.

      {
    }

Member Function Documentation

count()

ILIAS\LearningModule\Question\Statistics\Retrieval::count	(	array	$filter,
		array	$parameters
	)

Implements ILIAS\Repository\RetrievalInterface.

Definition at line 58 of file Retrieval.php.

                                                           : int
    {
        return count($this->getQuestionData());
    }

formatPercentage()

ILIAS\LearningModule\Question\Statistics\Retrieval::formatPercentage ( int  $value, int  $all  )

protected

Definition at line 107 of file Retrieval.php.

                                                             : string|int
    {
        if ($all === 0) {
            return 0;
        }
 
        return $value . " (" . (100 / $all * $value) . " %)";
    }

getData()

ILIAS\LearningModule\Question\Statistics\Retrieval::getData	(	array	$fields,
		?Range	$range = null,
		?Order	$order = null,
		array	$filter = [],
		array	$parameters = []
	)

Implements ILIAS\Repository\RetrievalInterface.

Definition at line 44 of file Retrieval.php.

     : Generator {
        $data = $this->getQuestionData();
        $data = $this->applyOrder($data, $order);
        $data = $this->applyRange($data, $range);
 
        yield from $data;
    }

getQuestionData()

ILIAS\LearningModule\Question\Statistics\Retrieval::getQuestionData ( )

protected

Definition at line 68 of file Retrieval.php.

                                        : array
    {
        if ($this->question_data !== null) {
            return $this->question_data;
        }
 
        $questions = ilLMPageObject::queryQuestionsOfLearningModule(
            $this->lm_id,
            "",
            "",
            0,
            0
        );
 
        $data = [];
        foreach ($questions["set"] as $question) {
            $stats = ilPageQuestionProcessor::getQuestionStatistics((int) $question["question_id"]);
            $all = (int) $stats["all"];
            $first = (int) $stats["first"];
            $second = (int) $stats["second"];
            $third_or_more = (int) $stats["third_or_more"];
 
            $data[] = [
                "id" => (int) $question["question_id"],
                "page" => \ilLMObject::_lookupTitle((int) $question["page_id"]),
                "question" => $this->question_info
                    ->getGeneralQuestionProperties((int) $question["question_id"])
                    ->getQuestionText(),
                "answered" => $all,
                "correct_first" => $this->formatPercentage($first, $all),
                "correct_second" => $this->formatPercentage($second, $all),
                "third_and_more" => $this->formatPercentage($third_or_more, $all),
                "never" => $this->formatPercentage($all - $first - $second - $third_or_more, $all)
            ];
        }
 
        return $this->question_data = $data;
    }

References $data, ilLMObject\_lookupTitle(), ilPageQuestionProcessor\getQuestionStatistics(), ILIAS\Repository\int(), and ilLMPageObject\queryQuestionsOfLearningModule().

Here is the call graph for this function:

isFieldNumeric()

ILIAS\LearningModule\Question\Statistics\Retrieval::isFieldNumeric

(

string

$field

)

Implements ILIAS\Repository\RetrievalInterface.

Definition at line 63 of file Retrieval.php.

                                                 : bool
    {
        return false;
    }

Field Documentation

$question_data

array ILIAS\LearningModule\Question\Statistics\Retrieval::$question_data = null

protected

Definition at line 36 of file Retrieval.php.

---

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

• components/ILIAS/LearningModule/Questions/Statistics/Retrieval.php