@ -1,12 +1,17 @@
<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\TrackEAttempt;
/**
* Class QuestionOptionsEvaluationPlugin.
*/
class QuestionOptionsEvaluationPlugin extends Plugin
{
const EXTRAFIELD_FORMULA = 'question_valuation_formula';
const SETTING_ENABLE = 'enable';
const SETTING_MAX_SCORE = 'exercise_max_score';
const EXTRAFIELD_FORMULA = 'quiz_evaluation_formula';
/**
* QuestionValuationPlugin constructor.
@ -16,7 +21,14 @@ class QuestionOptionsEvaluationPlugin extends Plugin
$version = '1.0';
$author = 'Angel Fernando Quiroz Campos';
parent::__construct($version, $author, ['enable' => 'boolean']);
parent::__construct(
$version,
$author,
[
self::SETTING_ENABLE => 'boolean',
self::SETTING_MAX_SCORE => 'text'
]
);
}
/**
@ -79,7 +91,7 @@ class QuestionOptionsEvaluationPlugin extends Plugin
*/
private function createExtraField()
{
$extraField = new ExtraField('question ');
$extraField = new ExtraField('quiz ');
if (false === $extraField->get_handler_field_info_by_field_variable(self::EXTRAFIELD_FORMULA)) {
$extraField
@ -100,11 +112,161 @@ class QuestionOptionsEvaluationPlugin extends Plugin
*/
private function removeExtraField()
{
$extraField = new ExtraField('question ');
$extraField = new ExtraField('quiz ');
$value = $extraField->get_handler_field_info_by_field_variable(self::EXTRAFIELD_FORMULA);
if (false !== $value) {
$extraField->delete($value['id']);
}
}
/**
* @param Exercise $exercise
*/
public function recalculateQuestionScore(Exercise $exercise)
{
foreach ($exercise->questionList as $questionId) {
$question = Question::read($questionId);
if (!in_array($question->selectType(), [UNIQUE_ANSWER, MULTIPLE_ANSWER])) {
continue;
}
$questionAnswers = new Answer($questionId, 0, $exercise);
$counts = array_count_values($questionAnswers->correct);
$weighting = [];
foreach ($questionAnswers->correct as $i => $correct) {
$weighting[$i] = 1 == $correct ? 1 / $counts[1] : -1 / $counts[0];
}
$questionAnswers->new_nbrAnswers = $questionAnswers->nbrAnswers;
$questionAnswers->new_answer = $questionAnswers->answer;
$questionAnswers->new_comment = $questionAnswers->comment;
$questionAnswers->new_correct = $questionAnswers->correct;
$questionAnswers->new_weighting = $weighting;
$questionAnswers->new_position = $questionAnswers->position;
$questionAnswers->new_destination = $questionAnswers->destination;
$questionAnswers->new_hotspot_coordinates = $questionAnswers->hotspot_coordinates;
$questionAnswers->new_hotspot_type = $questionAnswers->hotspot_type;
$allowedWeights = array_filter(
$weighting,
function ($weight) {
return $weight > 0;
}
);
$questionAnswers->save();
$question->updateWeighting(array_sum($allowedWeights));
$question->save($exercise);
}
}
/**
* @param int $formula
* @param Exercise $exercise
*/
public function saveFormulaForExercise($formula, Exercise $exercise)
{
$extraFieldValue = new ExtraFieldValue('quiz');
$extraFieldValue->save(
[
'item_id' => $exercise->iId,
'variable' => self::EXTRAFIELD_FORMULA,
'value' => $formula,
]
);
}
/**
* @param int $exerciseId
*
* @return int
*/
public function getFormulaForExercise($exerciseId)
{
$extraFieldValue = new ExtraFieldValue('quiz');
$value = $extraFieldValue->get_values_by_handler_and_field_variable(
$exerciseId,
self::EXTRAFIELD_FORMULA
);
if (empty($value)) {
return 0;
}
return (int) $value['value'];
}
/**
* @return int
*/
public function getMaxScore()
{
$max = $this->get(self::SETTING_MAX_SCORE);
if (!empty($max)) {
return (int) $max;
}
return 10;
}
/**
* @param int $trackId
* @param int $formula
*
* @throws \Doctrine\ORM\ORMException
* @throws \Doctrine\ORM\OptimisticLockException
* @throws \Doctrine\ORM\TransactionRequiredException
*
* @return float|int
*/
public function getResultWithFormula($trackId, $formula)
{
$em = Database::getManager();
$eTrack = $em->find('ChamiloCoreBundle:TrackEExercises', $trackId);
$qTracks = $em
->createQuery(
'SELECT a FROM ChamiloCoreBundle:TrackEAttempt a
WHERE a.exeId = :id AND a.userId = :user AND a.cId = :course AND a.sessionId = :session'
)
->setParameters(
[
'id' => $eTrack->getExeId(),
'course' => $eTrack->getCId(),
'session' => $eTrack->getSessionId(),
'user' => $eTrack->getExeUserId(),
]
)
->getResult();
$counts = ['correct' => 0, 'incorrect' => 0];
/** @var TrackEAttempt $qTrack */
foreach ($qTracks as $qTrack) {
if ($qTrack->getMarks() > 0) {
$counts['correct']++;
} else {
$counts['incorrect']++;
}
}
switch ($formula) {
case 1:
$result = $counts['correct'] - $counts['incorrect'];
break;
case 2:
$result = $counts['correct'] - $counts['incorrect'] / 2;
break;
case 3:
$result = $counts['correct'] - $counts['incorrect'] / 3;
break;
}
return ($result / count($qTracks)) * 10;
}
}
Angel Fernando Quiroz Campos
7 years ago