function mod_stopwatch_update_grades($cm, $stopwatch, $durationarray, $gradearray)
{
global $DB, $CFG;
require_once $CFG->libdir . '/gradelib.php';
$currentgrades = mod_stopwatch_get_all_users($cm, $stopwatch);
$newgrades = array();
foreach ($currentgrades as $userid => $record) {
if ($record->id) {
$params = array('id' => $record->id);
} else {
$params = array('userid' => $userid, 'courseid' => $cm->course, 'stopwatchid' => $stopwatch->id);
}
$now = time();
$updateobj = array();
if (array_key_exists($userid, $durationarray)) {
if (empty($durationarray[$userid])) {
if (!empty($record->duration)) {
$updateobj['duration'] = 0;
}
} else {
$duration = mod_stopwatch_string_to_duration($durationarray[$userid]);
if ($record->duration != $duration) {
$updateobj['duration'] = $duration;
}
}
}
if ($stopwatch->grade && array_key_exists($userid, $gradearray)) {
$grade = empty($gradearray[$userid]) ? null : (double) $gradearray[$userid];
$existinggrade = !strlen($record->grade) ? null : (double) $record->grade;
if ($existinggrade !== $grade) {
$updateobj['grade'] = $grade;
$updateobj['timegraded'] = $now;
$newgrades[$userid] = array('userid' => $userid, 'rawgrade' => $grade);
}
}
if (empty($updateobj)) {
continue;
}
$updateobj += $params;
$updateobj['timemodified'] = $now;
if (!empty($updateobj['id'])) {
$DB->update_record('stopwatch_user', $updateobj);
} else {
$updateobj['timecreated'] = $now;
$DB->insert_record('stopwatch_user', $updateobj);
}
}
if ($newgrades) {
// Attempt to update the grade item if relevant
$grademodule = fullclone($stopwatch);
$grademodule->cmidnumber = $cm->idnumber;
$grademodule->modname = $cm->modname;
grade_update_mod_grades($grademodule);
}
}
public function display_grades(cm_info $cm, $stopwatch)
{
$sesskey = sesskey();
$action = new moodle_url('/mod/stopwatch/view.php');
$editlink = html_writer::link(new moodle_url('/course/modedit.php', array('update' => $cm->id)), 'Edit');
$str = '';
if ($stopwatch->grade > 0) {
$str .= "<p>Maximum grade for the module is <b>{$stopwatch->grade}</b>. {$editlink}</p>";
} else {
if ($stopwatch->grade < 0) {
$str .= "<p>Scale grading is not yet implemented! {$editlink}</p>";
} else {
$str .= "<p>No grading is enabled for this module. {$editlink}</p>";
}
}
$str = $str . <<<EOD
<form id="stopwatchgradeform" method="POST" action="{$action}">
<input type="hidden" name="sesskey" value="{$sesskey}" />
<input type="hidden" name="id" value="{$cm->id}" />
<input type="hidden" name="cmd" value="updategrades" />
EOD;
$table = new html_table();
$table->head = array('User', 'Duration', 'Completed on');
if ($stopwatch->grade) {
$table->head[] = 'Grade';
$table->head[] = 'Graded on';
}
$records = mod_stopwatch_get_all_users($cm, $stopwatch);
foreach ($records as $record) {
$duration = $record->duration ? mod_stopwatch_duration_to_string($record->duration) : '';
$durationinput = html_writer::empty_tag('input', array('type' => 'text', 'name' => "duration[{$record->userid}]", 'value' => $duration));
$data = (array) array(fullname($record), $durationinput, $record->timecreated ? userdate($record->timecreated, '%d/%m/%y <b>%H:%M</b>') : '');
if ($stopwatch->grade > 0) {
$gradeinput = html_writer::empty_tag('input', array('type' => 'text', 'name' => "grade[{$record->userid}]", 'value' => strlen($record->grade) ? (double) $record->grade : ''));
$data[] = $gradeinput;
} else {
if ($stopwatch->grade < 0) {
$data[] = 'Not implemented, sorry....';
}
}
if ($stopwatch->grade) {
$data[] = $record->timegraded ? userdate($record->timegraded, '%d/%m/%y <b>%H:%M</b>') : '';
}
$table->data[] = $data;
}
$str .= html_writer::table($table);
$str .= '<input id="grade" type="submit" value="Grade" />';
$str .= '</form >';
return $str;
}
