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mod/quiz/index changes to only display quiz grades when teacher allows

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Changes to index.php to only allow student to view overall quiz scores when
teacher has not set options forbidding this, and it can't give away what
scores were for attempts where results should still be hidden.
Credit: Peter Bulmer peterbulmer@catalyst.net.nz
This commit is contained in:
mjollnir_ 2006-04-18 22:55:28 +00:00
parent d78a1cf6d8
commit 40377b188b
2 changed files with 34 additions and 1 deletions
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9
mod/quiz/index.php
View File

@ -112,10 +112,17 @@
$gradecol = "";
}
} else {
// If student has no grade for this quiz,
// or the quiz has no grade, display nothing in grade col
if ($bestgrade === NULL || $quiz->grade == 0) {
$gradecol = "";
} else {
$gradecol = "$bestgrade / $quiz->grade";
//If all quiz's attempts have visible results, show bestgrade
if(all_attempt_results_visible($quiz, $USER)) {
$gradecol = "$bestgrade / $quiz->grade";
} else {
$gradecol = "";
}
}
}

26
mod/quiz/locallib.php
View File

@ -550,5 +550,31 @@ function quiz_get_reviewoptions($quiz, $attempt, $isteacher=false) {
return $options;
}
////////////////////////////////////////////////////////////////////////////////
/**
* Return boolean indicating if the quiz has attempts with hidden grades
*
* Selects all attempts matching specified quiz & user, and examines each to
* check they all have visible results.
* @return boolean If the quiz has attempts without visible results
* @param object $quiz The quiz being examined
* @param object $user The user concerned
*/
function all_attempt_results_visible($quiz, $user) {
global $CFG;
$sql = 'SELECT timefinish, preview FROM '.$CFG->prefix.'quiz_attempts qa'.
' WHERE qa.quiz='.$quiz->id.' AND qa.userid='.$user->id.
' ORDER BY id DESC';
$attempts = get_records_sql($sql);
foreach ($attempts as $attempt) {
$attemptoptions = quiz_get_reviewoptions($quiz, $attempt);
//if any attempt has scores option not set, not all attempt results are
//visible
if (!$attemptoptions->scores) {
return false;
}
}
return true;
}
?>