MDL-31143 quiz reports: average grade of null causes php error.

This commit is contained in:
Tim Hunt
2012-01-19 18:35:34 +01:00
committed by kordan
parent f572ec93af
commit abd738223c
+3 -3
View File
@@ -81,7 +81,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
SELECT AVG(quiza.sumgrades) AS grade, COUNT(quiza.sumgrades) AS numaveraged
FROM $from
WHERE $where", $params);
$record->grade = quiz_rescale_grade($record->grade, $this->quiz);
$record->grade = quiz_rescale_grade($record->grade, $this->quiz, false);
if ($this->is_downloading()) {
$namekey = 'lastname';
@@ -127,7 +127,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
} else {
$record = new stdClass();
$record->grade = null;
$record->numaveraged = null;
$record->numaveraged = 0;
}
$row['qsgrade' . $question->slot] = $this->format_average($record, true);
@@ -151,7 +151,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
if ($this->download) {
return $average;
} else if (is_null($record->numaveraged)) {
} else if (is_null($record->numaveraged) || $record->numaveraged == 0) {
return html_writer::tag('span', html_writer::tag('span',
$average, array('class' => 'average')), array('class' => 'avgcell'));
} else {