/**
* Update grades in central gradebook
*
* @param object $offlinequiz the offline quiz settings.
* @param int $userid specific user only, 0 means all users.
*/
function offlinequiz_update_grades($offlinequiz, $userid = 0, $nullifnone = true)
{
global $CFG, $DB;
require_once $CFG->libdir . '/gradelib.php';
if ($offlinequiz->grade == 0) {
offlinequiz_grade_item_update($offlinequiz);
} else {
if ($grades = offlinequiz_get_user_grades($offlinequiz, $userid)) {
offlinequiz_grade_item_update($offlinequiz, $grades);
} else {
if ($userid && $nullifnone) {
$grade = new stdClass();
$grade->userid = $userid;
$grade->rawgrade = null;
offlinequiz_grade_item_update($offlinequiz, $grade);
} else {
offlinequiz_grade_item_update($offlinequiz);
}
}
}
}
/**
* (non-PHPdoc)
*
* @see offlinequiz_default_report::display()
*/
public function display($offlinequiz, $cm, $course)
{
global $CFG, $OUTPUT, $SESSION, $DB;
// Define some strings.
$strtimeformat = get_string('strftimedatetime');
$letterstr = ' ABCDEFGHIJKLMNOPQRSTUVWXYZ';
offlinequiz_load_useridentification();
$offlinequizconfig = get_config('offlinequiz');
// Deal with actions.
$action = optional_param('action', '', PARAM_ACTION);
// Only print headers if not asked to download data or delete data.
if (!($download = optional_param('download', null, PARAM_TEXT)) && !$action == 'delete') {
$this->print_header_and_tabs($cm, $course, $offlinequiz, 'overview');
echo $OUTPUT->box_start('linkbox');
echo $OUTPUT->heading(format_string($offlinequiz->name));
echo $OUTPUT->heading(get_string('results', 'offlinequiz'));
require_once $CFG->libdir . '/grouplib.php';
echo groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/offlinequiz/report.php?id=' . $cm->id . '&mode=overview', true);
echo $OUTPUT->box_end();
echo '<br/>';
}
$context = context_module::instance($cm->id);
$systemcontext = context_system::instance();
// Set table options.
$noresults = optional_param('noresults', 0, PARAM_INT);
$pagesize = optional_param('pagesize', 10, PARAM_INT);
$groupid = optional_param('group', 0, PARAM_INT);
if ($pagesize < 1) {
$pagesize = 10;
}
$answerletters = 'abcdefghijklmnopqrstuvwxyz';
if ($action == 'delete' && confirm_sesskey()) {
$selectedresultids = array();
$params = (array) data_submitted();
foreach ($params as $key => $value) {
if (preg_match('!^s([0-9]+)$!', $key, $matches)) {
$selectedresultids[] = $matches[1];
}
}
if ($selectedresultids) {
foreach ($selectedresultids as $resultid) {
if ($resultid && ($todelete = $DB->get_record('offlinequiz_results', array('id' => $resultid)))) {
offlinequiz_delete_result($resultid, $context);
// Log this event.
$params = array('objectid' => $resultid, 'relateduserid' => $todelete->userid, 'context' => context_module::instance($cm->id), 'other' => array('mode' => 'overview'));
$event = \mod_offlinequiz\event\attempt_deleted::create($params);
$event->trigger();
// Change the status of all related pages with error 'resultexists' to 'suspended'.
$user = $DB->get_record('user', array('id' => $todelete->userid));
$group = $DB->get_record('offlinequiz_groups', array('id' => $todelete->offlinegroupid));
$sql = "SELECT id\n FROM {offlinequiz_scanned_pages}\n WHERE offlinequizid = :offlinequizid\n AND userkey = :userkey\n AND groupnumber = :groupnumber\n AND status = 'error'\n AND (error = 'resultexists' OR error = 'differentresultexists')";
$params = array('offlinequizid' => $offlinequiz->id, 'userkey' => $user->{$offlinequizconfig->ID_field}, 'groupnumber' => $group->number);
$otherpages = $DB->get_records_sql($sql, $params);
foreach ($otherpages as $page) {
$DB->set_field('offlinequiz_scanned_pages', 'status', 'suspended', array('id' => $page->id));
$DB->set_field('offlinequiz_scanned_pages', 'error', '', array('id' => $page->id));
}
}
}
offlinequiz_grade_item_update($offlinequiz, 'reset');
offlinequiz_update_grades($offlinequiz);
redirect(new moodle_url('/mod/offlinequiz/report.php', array('mode' => 'overview', 'id' => $cm->id, 'noresults' => $noresults, 'pagesize' => $pagesize)));
}
}
// Now check if asked download of data.
if ($download) {
$filename = clean_filename("{$course->shortname} " . format_string($offlinequiz->name, true));
$sort = '';
}
// Fetch the group data.
$groups = $DB->get_records('offlinequiz_groups', array('offlinequizid' => $offlinequiz->id), 'number', '*', 0, $offlinequiz->numgroups);
// Define table columns.
$tablecolumns = array('checkbox', 'picture', 'fullname', $offlinequizconfig->ID_field, 'timestart', 'offlinegroupid', 'sumgrades');
$tableheaders = array('<input type="checkbox" name="toggle" onClick="if (this.checked) {select_all_in(\'DIV\',null,\'tablecontainer\');}
else {deselect_all_in(\'DIV\',null,\'tablecontainer\');}"/>', '', get_string('fullname'), get_string($offlinequizconfig->ID_field), get_string('importedon', 'offlinequiz'), get_string('group'), get_string('grade', 'offlinequiz'));
$checked = array();
// Get participants list.
$withparticipants = false;
if ($lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id))) {
$withparticipants = true;
$tablecolumns[] = 'checked';
$tableheaders[] = get_string('present', 'offlinequiz');
foreach ($lists as $list) {
$participants = $DB->get_records('offlinequiz_participants', array('listid' => $list->id));
foreach ($participants as $participant) {
$checked[$participant->userid] = $participant->checked;
}
}
}
if (!$download) {
// Set up the table.
$params = array('offlinequiz' => $offlinequiz, 'noresults' => $noresults, 'pagesize' => $pagesize);
$table = new offlinequiz_results_table('mod-offlinequiz-report-overview-report', $params);
$table->define_columns($tablecolumns);
$table->define_headers($tableheaders);
$table->define_baseurl($CFG->wwwroot . '/mod/offlinequiz/report.php?mode=overview&id=' . $cm->id . '&noresults=' . $noresults . '&pagesize=' . $pagesize);
$table->sortable(true);
$table->no_sorting('checkbox');
if ($withparticipants) {
$table->no_sorting('checked');
}
$table->column_suppress('picture');
$table->column_suppress('fullname');
$table->column_class('picture', 'picture');
$table->column_class($offlinequizconfig->ID_field, 'userkey');
$table->column_class('timestart', 'timestart');
$table->column_class('offlinegroupid', 'offlinegroupid');
$table->column_class('sumgrades', 'sumgrades');
$table->set_attribute('cellpadding', '2');
$table->set_attribute('id', 'attempts');
$table->set_attribute('class', 'generaltable generalbox');
// Start working -- this is necessary as soon as the niceties are over.
$table->setup();
} else {
if ($download == 'ODS') {
require_once "{$CFG->libdir}/odslib.class.php";
$filename .= ".ods";
// Creating a workbook.
$workbook = new MoodleODSWorkbook("-");
// Sending HTTP headers.
$workbook->send($filename);
// Creating the first worksheet.
$sheettitle = get_string('reportoverview', 'offlinequiz');
$myxls = $workbook->add_worksheet($sheettitle);
// Format types.
$format = $workbook->add_format();
$format->set_bold(0);
$formatbc = $workbook->add_format();
$formatbc->set_bold(1);
$formatbc->set_align('center');
$formatb = $workbook->add_format();
$formatb->set_bold(1);
$formaty = $workbook->add_format();
$formaty->set_bg_color('yellow');
$formatc = $workbook->add_format();
$formatc->set_align('center');
$formatr = $workbook->add_format();
$formatr->set_bold(1);
$formatr->set_color('red');
$formatr->set_align('center');
$formatg = $workbook->add_format();
$formatg->set_bold(1);
$formatg->set_color('green');
$formatg->set_align('center');
// Here starts workshhet headers.
$headers = array(get_string($offlinequizconfig->ID_field), get_string('firstname'), get_string('lastname'), get_string('importedon', 'offlinequiz'), get_string('group'), get_string('grade', 'offlinequiz'));
if (!empty($withparticipants)) {
$headers[] = get_string('present', 'offlinequiz');
}
$colnum = 0;
foreach ($headers as $item) {
$myxls->write(0, $colnum, $item, $formatbc);
$colnum++;
}
$rownum = 1;
} else {
if ($download == 'Excel') {
require_once "{$CFG->libdir}/excellib.class.php";
$filename .= ".xls";
// Creating a workbook.
$workbook = new MoodleExcelWorkbook("-");
// Sending HTTP headers.
$workbook->send($filename);
// Creating the first worksheet.
$sheettitle = get_string('results', 'offlinequiz');
$myxls = $workbook->add_worksheet($sheettitle);
// Format types.
$format = $workbook->add_format();
$format->set_bold(0);
$formatbc = $workbook->add_format();
$formatbc->set_bold(1);
$formatbc->set_align('center');
$formatb = $workbook->add_format();
$formatb->set_bold(1);
$formaty = $workbook->add_format();
$formaty->set_bg_color('yellow');
$formatc = $workbook->add_format();
$formatc->set_align('center');
$formatr = $workbook->add_format();
$formatr->set_bold(1);
$formatr->set_color('red');
$formatr->set_align('center');
$formatg = $workbook->add_format();
$formatg->set_bold(1);
$formatg->set_color('green');
$formatg->set_align('center');
// Here starts worksheet headers.
$headers = array(get_string($offlinequizconfig->ID_field), get_string('firstname'), get_string('lastname'), get_string('importedon', 'offlinequiz'), get_string('group'), get_string('grade', 'offlinequiz'));
if (!empty($withparticipants)) {
$headers[] = get_string('present', 'offlinequiz');
}
$colnum = 0;
foreach ($headers as $item) {
$myxls->write(0, $colnum, $item, $formatbc);
$colnum++;
}
$rownum = 1;
} else {
if ($download == 'CSV') {
$filename .= ".csv";
header("Content-Encoding: UTF-8");
header("Content-Type: text/csv; charset=utf-8");
header("Content-Disposition: attachment; filename=\"{$filename}\"");
header("Expires: 0");
header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
header("Pragma: public");
echo "";
// UTF-8 BOM.
$headers = get_string($offlinequizconfig->ID_field) . ", " . get_string('fullname') . ", " . get_string('importedon', 'offlinequiz') . ", " . get_string('group') . ", " . get_string('grade', 'offlinequiz');
if (!empty($withparticipants)) {
$headers .= ", " . get_string('present', 'offlinequiz');
}
echo $headers . " \n";
} else {
if ($download == 'CSVplus1' || $download == 'CSVpluspoints') {
$filename .= ".csv";
header("Content-Encoding: UTF-8");
header("Content-Type: text/csv; charset=utf-8");
header("Content-Disposition: attachment; filename=\"{$filename}\"");
header("Expires: 0");
header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
header("Pragma: public");
echo "";
// UTF-8 BOM.
// Print the table headers.
echo get_string('firstname') . ',' . get_string('lastname') . ',' . get_string($offlinequizconfig->ID_field) . ',' . get_string('group');
$maxquestions = offlinequiz_get_maxquestions($offlinequiz, $groups);
for ($i = 0; $i < $maxquestions; $i++) {
echo ', ' . get_string('question') . ' ' . ($i + 1);
}
echo "\n";
// Print the correct answer bit-strings.
foreach ($groups as $group) {
if ($group->templateusageid) {
$quba = question_engine::load_questions_usage_by_activity($group->templateusageid);
$slots = $quba->get_slots();
echo ', ,' . get_string('correct', 'offlinequiz');
echo ',' . $group->number;
foreach ($slots as $slot) {
$slotquestion = $quba->get_question($slot);
$qtype = $slotquestion->get_type_name();
if ($qtype == 'multichoice' || $qtype == 'multichoiceset') {
$attempt = $quba->get_question_attempt($slot);
$order = $slotquestion->get_order($attempt);
// Order of the answers.
$tempstr = ",";
$letters = array();
$counter = 0;
foreach ($order as $key => $answerid) {
$fraction = $DB->get_field('question_answers', 'fraction', array('id' => $answerid));
if ($fraction > 0) {
$letters[] = $answerletters[$counter];
}
$counter++;
}
if (empty($letters)) {
$tempstr .= '99';
} else {
$tempstr .= implode('/', $letters);
}
echo $tempstr;
}
}
echo "\n";
}
}
}
}
}
}
}
$coursecontext = context_course::instance($course->id);
$contextids = $coursecontext->get_parent_context_ids(true);
// Construct the SQL
// First get roleids for students from leagcy.
if (!($roles = get_roles_with_capability('mod/offlinequiz:attempt', CAP_ALLOW, $systemcontext))) {
error("No roles with capability 'moodle/offlinequiz:attempt' defined in system context");
}
$roleids = array();
foreach ($roles as $role) {
$roleids[] = $role->id;
}
$rolelist = implode(',', $roleids);
$select = "SELECT " . $DB->sql_concat('u.id', "'#'", "COALESCE(qa.usageid, 0)") . " AS uniqueid,\n qa.id AS resultid, u.id, qa.usageid, qa.offlinegroupid, qa.status,\n u.id AS userid, u.firstname, u.lastname,\n u.alternatename, u.middlename, u.firstnamephonetic, u.lastnamephonetic,\n u.picture, u." . $offlinequizconfig->ID_field . ",\n qa.sumgrades, qa.timefinish, qa.timestart, qa.timefinish - qa.timestart AS duration ";
$result = $DB->get_in_or_equal($contextids, SQL_PARAMS_NAMED, 'ctx');
list($contexttest, $cparams) = $result;
list($roletest, $rparams) = $DB->get_in_or_equal($roleids, SQL_PARAMS_NAMED, 'role');
$from = "FROM {user} u\n JOIN {role_assignments} ra ON ra.userid = u.id\n LEFT JOIN {offlinequiz_results} qa ON u.id = qa.userid AND qa.offlinequizid = :offlinequizid\n ";
$where = " WHERE ra.contextid {$contexttest} AND ra.roleid {$roletest} ";
$params = array('offlinequizid' => $offlinequiz->id);
$params = array_merge($params, $cparams, $rparams);
if ($groupid) {
$from .= " JOIN {groups_members} gm ON gm.userid = u.id ";
$where .= " AND gm.groupid = :groupid ";
$params['groupid'] = $groupid;
}
if (empty($noresults)) {
$where = $where . " AND qa.userid IS NOT NULL\n AND qa.status = 'complete'";
// Show ONLY students with results.
} else {
if ($noresults == 1) {
// The value noresults = 1 means only no results, so make the left join ask for only records
// where the right is null (no results).
$where .= ' AND qa.userid IS NULL';
// Show ONLY students without results.
} else {
if ($noresults == 3) {
// We want all results, also the partial ones.
$from = "FROM {user} u\n JOIN {offlinequiz_results} qa ON u.id = qa.userid ";
$where = " WHERE qa.offlinequizid = :offlinequizid";
}
}
}
// The value noresults = 2 means we want all students, with or without results.
$countsql = 'SELECT COUNT(DISTINCT(u.id)) ' . $from . $where;
if (!$download) {
// Count the records NOW, before funky question grade sorting messes up $from.
$totalinitials = $DB->count_records_sql($countsql, $params);
// Add extra limits due to initials bar.
list($ttest, $tparams) = $table->get_sql_where();
if (!empty($ttest)) {
$where .= ' AND ' . $ttest;
$countsql .= ' AND ' . $ttest;
$params = array_merge($params, $tparams);
}
$total = $DB->count_records_sql($countsql, $params);
// Add extra limits due to sorting by question grade.
$sort = $table->get_sql_sort();
// Fix some wired sorting.
if (empty($sort)) {
$sort = ' ORDER BY u.lastname';
} else {
$sort = ' ORDER BY ' . $sort;
}
$table->pagesize($pagesize, $total);
}
// Fetch the results.
if (!$download) {
$results = $DB->get_records_sql($select . $from . $where . $sort, $params, $table->get_page_start(), $table->get_page_size());
} else {
$results = $DB->get_records_sql($select . $from . $where . $sort, $params);
}
// Build table rows.
if (!$download) {
$table->initialbars(true);
}
if (!empty($results) || !empty($noresults)) {
foreach ($results as $result) {
$user = $DB->get_record('user', array('id' => $result->userid));
$picture = $OUTPUT->user_picture($user, array('courseid' => $course->id));
if (!empty($result->resultid)) {
$checkbox = '<input type="checkbox" name="s' . $result->resultid . '" value="' . $result->resultid . '" />';
} else {
$checkbox = '';
}
if (!empty($result) && (empty($result->resultid) || $result->timefinish == 0)) {
$resultdate = '-';
} else {
$resultdate = userdate($result->timefinish, $strtimeformat);
}
if (!empty($result) && $result->offlinegroupid) {
$groupletter = $letterstr[$groups[$result->offlinegroupid]->number];
} else {
$groupletter = '-';
}
$userlink = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $result->userid . '&course=' . $course->id . '">' . fullname($result) . '</a>';
if (!$download) {
$row = array($checkbox, $picture, $userlink, $result->{$offlinequizconfig->ID_field}, $resultdate, $groupletter);
} else {
$row = array($result->{$offlinequizconfig->ID_field}, $result->firstname, $result->lastname, $resultdate, $groupletter);
}
if (!empty($result) && $result->offlinegroupid) {
$outputgrade = format_float($result->sumgrades / $groups[$result->offlinegroupid]->sumgrades * $offlinequiz->grade, $offlinequiz->decimalpoints);
} else {
$outputgrade = '-';
}
if (!$download) {
if ($result->status == 'partial') {
$row[] = get_string('partial', 'offlinequiz');
} else {
if ($result->sumgrades === null) {
$row[] = '-';
} else {
$row[] = '<a href="review.php?q=' . $offlinequiz->id . '&resultid=' . $result->resultid . '">' . $outputgrade . '</a>';
}
}
if ($withparticipants) {
$row[] = !empty($checked[$result->userid]) ? "<img src=\"{$CFG->wwwroot}/mod/offlinequiz/pix/tick.gif\" alt=\"" . get_string('ischecked', 'offlinequiz') . "\">" : "<img src=\"{$CFG->wwwroot}/mod/offlinequiz/pix/cross.gif\" alt=\"" . get_string('isnotchecked', 'offlinequiz') . "\">";
}
} else {
if ($download != 'CSVplus1' || $download == 'CSVpluspoints') {
$row[] = $result->sumgrades === null ? '-' : $outputgrade;
if ($withparticipants) {
if (array_key_exists($result->userid, $checked)) {
$row[] = $checked[$result->userid] ? get_string('ok') : '-';
} else {
$row[] = '-';
}
}
}
}
if (!$download) {
$table->add_data($row);
} else {
if ($download == 'Excel' or $download == 'ODS') {
$colnum = 0;
foreach ($row as $item) {
$myxls->write($rownum, $colnum, $item, $format);
$colnum++;
}
$rownum++;
} else {
if ($download == 'CSV') {
$text = implode(',', $row);
echo $text . "\n";
} else {
if ($download == 'CSVplus1' || $download == 'CSVpluspoints') {
$text = $row[1] . ',' . $row[2] . ',' . $row[0] . ',' . $groups[$result->offlinegroupid]->number;
if ($pages = $DB->get_records('offlinequiz_scanned_pages', array('resultid' => $result->resultid), 'pagenumber ASC')) {
foreach ($pages as $page) {
if ($page->status == 'ok' || $page->status == 'submitted') {
$choices = $DB->get_records('offlinequiz_choices', array('scannedpageid' => $page->id), 'slotnumber, choicenumber');
$counter = 0;
$oldslot = -1;
$letters = array();
foreach ($choices as $choice) {
if ($oldslot == -1) {
$oldslot = $choice->slotnumber;
} else {
if ($oldslot != $choice->slotnumber) {
if (empty($letters)) {
$text .= ',99';
} else {
$text .= ',' . implode('/', $letters);
}
$counter = 0;
$oldslot = $choice->slotnumber;
$letters = array();
}
}
if ($choice->value == 1) {
$letters[] = $answerletters[$counter];
}
$counter++;
}
if (empty($letters)) {
$text .= ',99';
} else {
$text .= ',' . implode('/', $letters);
}
}
}
}
echo $text . "\n";
if ($download == 'CSVpluspoints') {
$text = $row[1] . ',' . $row[2] . ',' . $row[0] . ',' . $groups[$result->offlinegroupid]->number;
$quba = question_engine::load_questions_usage_by_activity($result->usageid);
$slots = $quba->get_slots();
foreach ($slots as $slot) {
$slotquestion = $quba->get_question($slot);
$attempt = $quba->get_question_attempt($slot);
$text .= ',' . format_float($attempt->get_mark(), $offlinequiz->decimalpoints, false);
}
echo $text . "\n";
}
}
}
}
}
}
// End foreach ($results...
} else {
if (!$download) {
$table->print_initials_bar();
}
}
if (!$download) {
// Print table.
$table->finish_html();
if (!empty($results)) {
echo '<form id="downloadoptions" action="report.php" method="get">';
echo ' <input type="hidden" name="id" value="' . $cm->id . '" />';
echo ' <input type="hidden" name="q" value="' . $offlinequiz->id . '" />';
echo ' <input type="hidden" name="mode" value="overview" />';
echo ' <input type="hidden" name="noheader" value="yes" />';
echo ' <table class="boxaligncenter"><tr><td>';
$options = array('Excel' => get_string('excelformat', 'offlinequiz'), 'ODS' => get_string('odsformat', 'offlinequiz'), 'CSV' => get_string('csvformat', 'offlinequiz'), 'CSVplus1' => get_string('csvplus1format', 'offlinequiz'), 'CSVpluspoints' => get_string('csvpluspointsformat', 'offlinequiz'));
print_string('downloadresultsas', 'offlinequiz');
echo "</td><td>";
echo html_writer::select($options, 'download', '', false);
echo ' <input type="submit" value="' . get_string('download') . '" />';
echo ' <script type="text/javascript">' . "\n<!--\n" . 'document.getElementById("noscriptmenuaction").style.display = "none";' . "\n-->\n" . '</script>';
echo " </td>\n";
echo "<td>";
echo "</td>\n";
echo '</tr></table></form>';
}
} else {
if ($download == 'Excel' || $download == 'ODS') {
$workbook->close();
exit;
} else {
if ($download == 'CSV' || $download == 'CSVplus1' || $download == 'CSVpluspoints') {
exit;
}
}
}
// Print display options.
echo '<div class="controls">';
echo '<form id="options" action="report.php" method="get">';
echo '<div class=centerbox>';
echo '<p>' . get_string('displayoptions', 'offlinequiz') . ': </p>';
echo '<input type="hidden" name="id" value="' . $cm->id . '" />';
echo '<input type="hidden" name="q" value="' . $offlinequiz->id . '" />';
echo '<input type="hidden" name="mode" value="overview" />';
echo '<input type="hidden" name="detailedmarks" value="0" />';
echo '<table id="overview-options" class="boxaligncenter">';
echo '<tr align="left">';
echo '<td><label for="pagesize">' . get_string('pagesizeparts', 'offlinequiz') . '</label></td>';
echo '<td><input type="text" id="pagesize" name="pagesize" size="3" value="' . $pagesize . '" /></td>';
echo '</tr>';
echo '<tr align="left">';
echo '<td colspan="2">';
$options = array();
$options[] = get_string('attemptsonly', 'offlinequiz');
$options[] = get_string('noattemptsonly', 'offlinequiz');
$options[] = get_string('allstudents', 'offlinequiz');
$options[] = get_string('allresults', 'offlinequiz');
echo html_writer::select($options, 'noresults', $noresults, '');
echo '</td></tr>';
echo '<tr><td colspan="2" align="center">';
echo '<input type="submit" value="' . get_string('go') . '" />';
echo '</td></tr></table>';
echo '</div>';
echo '</form>';
echo '</div>';
echo "\n";
return true;
}
/**
* The offlinequiz grade is the maximum that student's results are marked out of. When it
* changes, the corresponding data in offlinequiz_grades and offlinequiz_feedback needs to be
* rescaled. After calling this function, you probably need to call
* offlinequiz_update_all_attempt_sumgrades, offlinequiz_update_all_final_grades and
* offlinequiz_update_grades.
*
* @param float $newgrade the new maximum grade for the offlinequiz.
* @param object $offlinequiz the offlinequiz we are updating. Passed by reference so its
* grade field can be updated too.
* @return bool indicating success or failure.
*/
function offlinequiz_set_grade($newgrade, $offlinequiz)
{
global $DB;
// This is potentially expensive, so only do it if necessary.
if (abs($offlinequiz->grade - $newgrade) < 1.0E-7) {
// Nothing to do.
return true;
}
// Use a transaction, so that on those databases that support it, this is safer.
$transaction = $DB->start_delegated_transaction();
// Update the offlinequiz table.
$DB->set_field('offlinequiz', 'grade', $newgrade, array('id' => $offlinequiz->id));
$offlinequiz->grade = $newgrade;
// Update grade item and send all grades to gradebook.
offlinequiz_grade_item_update($offlinequiz);
offlinequiz_update_grades($offlinequiz);
$transaction->allow_commit();
return true;
}
