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<?
// Class/OnlineLab/QuestionGrade.phpinc
// Grade the question answers.
if (da()) debugTrackBegin();
if ( isset($_SESSION['userId']) && $_SESSION['userId'] == -1 ) $DEBUG_QuestionGrade = true;
if ( !isset($DEBUG_QuestionGrade) ) $DEBUG_QuestionGrade = false;
if ( $DEBUG_QuestionGrade ) {
printVar('$f_questionNum',$f_questionNum,'/');
printVar('$gradeanswerInfo',$gradeanswerInfo,'f');
}
// Get the question part answers.
if ( !isset($QuestionAnswerPart['Answer']) ) $QuestionAnswerPart['Answer'] = array();
if ( $gradeanswerInfo[$f_questionNum]['gradeId'] ) {
$QuestionAnswerPart[$f_questionNum]['Answer'] = explode(",",$gradeanswerInfo[$f_questionNum]['gradeanswerAnswer']); // The answers given for each question part.
array_unshift($QuestionAnswerPart[$f_questionNum]['Answer'],''); // Add an empty element to the beginning of $QuestionAnswerPart[$f_questionNum]['Answer'].
} else {
$QuestionAnswerPart[$f_questionNum]['Answer'] = array();
}
// If question part has not been answered set to 0.
foreach ( $QuestionPart['Answer'][$f_questionNum] as $QuestionPartAnswerCorrectIndex => $CorrectAnswer ) {
if ( !isset($QuestionAnswerPart[$f_questionNum]['Answer'][$QuestionPartAnswerCorrectIndex]) ) $QuestionAnswerPart[$f_questionNum]['Answer'][$QuestionPartAnswerCorrectIndex] = 0;
}
/** /
if ( $DEBUG_QuestionGrade ) {
printVar("\$gradeanswerInfo[$f_questionNum]['gradeanswerAnswer']",$gradeanswerInfo[$f_questionNum]['gradeanswerAnswer'],'f');
printVar("\$QuestionAnswerPart[$f_questionNum]['Answer']",$QuestionAnswerPart[$f_questionNum]['Answer'],'f');
}
/**/
if ( !isset($QuestionAnswerPart[$f_questionNum]) ) $QuestionAnswerPart[$f_questionNum] = array();
if ( !isset($QuestionAnswerPart[$f_questionNum]['Count']) ) $QuestionAnswerPart[$f_questionNum]['Count'] = array();
// Required answered count per question.
$QuestionAnswerPart[$f_questionNum]['Count']['Required'] = 0;
// Extra credit answered count per question.
$QuestionAnswerPart[$f_questionNum]['Count']['ExtraCredit'] = 0;
// Correct answer count per question.
$QuestionAnswerPart[$f_questionNum]['Count']['Correct'] = 0;
// Points per question per question part.
if ( !isset($QuestionAnswerPart[$f_questionNum]['Value']) ) $QuestionAnswerPart[$f_questionNum]['Value'] = array();
$QuestionAnswerPart[$f_questionNum]['Value'] = array();
if ( !isset($GradePart[$f_questionNum]) ) $GradePart[$f_questionNum] = array();
// Points total per question.
$GradePart[$f_questionNum]['Points'] = 0;
// Grade percentage per question.
$GradePart[$f_questionNum]['Percentage'] = 0;
// Points added to grade.
$GradePart[$f_questionNum]['GradeAdded'] = formValue('gradeanswerGradeAdded');
#printVar("\$GradePart[$f_questionNum]['GradeAdded']",$GradePart[$f_questionNum]['GradeAdded']);
if ( $GradePart[$f_questionNum]['GradeAdded'] === false ) {
if ( isset($gradeanswerInfo[$f_questionNum]['gradeanswerGradeAdded']) ) {
$GradePart[$f_questionNum]['GradeAdded'] = $gradeanswerInfo[$f_questionNum]['gradeanswerGradeAdded'];
} else {
$GradePart[$f_questionNum]['GradeAdded'] = 0;
}
}
if ( $GradePart[$f_questionNum]['GradeAdded'] == '' ) $GradePart[$f_questionNum]['GradeAdded'] = 0;
#printVar("\$GradePart[$f_questionNum]['GradeAdded']",$GradePart[$f_questionNum]['GradeAdded']);
for ( $questionPartNum=1; $questionPartNum<=$QuestionPart['Count']['Total']; $questionPartNum++ ) {
if ( $QuestionAnswerPart[$f_questionNum]['Answer'][$questionPartNum] ) {
// Question part answered.
if ( $QuestionPart['Value'][$questionPartNum] > 0 ) {
$QuestionAnswerPart[$f_questionNum]['Count']['Required']++;
} else {
$QuestionAnswerPart[$f_questionNum]['Count']['ExtraCredit']++;
}
if ( $QuestionAnswerPart[$f_questionNum]['Answer'][$questionPartNum] == $QuestionPart['Answer'][$f_questionNum][$questionPartNum] ) {
// Correct answer given.
$QuestionAnswerPart[$f_questionNum]['Count']['Correct']++; // Add to $QuestionAnswerPart['Count'].
$pointsForQuestionPart = abs($QuestionPart['Value'][$questionPartNum]);
$GradePart[$f_questionNum]['Points'] += $pointsForQuestionPart; // Add to $QuestionAnswerPart['Points'].
$QuestionAnswerPart[$f_questionNum]['Value'][$questionPartNum] = $pointsForQuestionPart; // Keep answer value per question per question part.
} else {
// Incorrect answer given.
$QuestionAnswerPart[$f_questionNum]['Value'][$questionPartNum] = false;
}
} else {
// Question part not answered.
$QuestionAnswerPart[$f_questionNum]['Value'][$questionPartNum] = false;
}
}
// Calculate grade for this question.
// Calculate grade percentage to this question.
$GradePart[$f_questionNum]['Percentage'] = gradePercentage($GradePart[$f_questionNum]['Points'],$QuestionPart['Points']['Required']);
$f_gradeanswerGrade = $GradePart[$f_questionNum]['Points'] ;
if ( $DEBUG_QuestionGrade ) {
printVar("\$QuestionAnswerPart[$f_questionNum]",$QuestionAnswerPart[$f_questionNum],'f');
printVar("\$GradePart[$f_questionNum]",$GradePart[$f_questionNum],'f');
}
if (da()) debugTrackEnd();
?>