} else {
$courseselect = $course->id;
}
if ($date) {
$daystart = usergetmidnight($date);
} else {
$daystart = usergetmidnight(time());
}
$dayfinish = $daystart + 86400;
$hours = array();
for ($i = 0; $i <= 23; $i++) {
$logs[$i] = 0;
$hour = $daystart + $i * 3600;
$hours[$i] = $i;
}
$rawlogs = report_log_userday($user->id, $courseselect, $daystart, $logreader);
if (empty($rawlogs)) {
return;
}
foreach ($rawlogs as $rawlog) {
$logs[$rawlog->hour] = $rawlog->num;
}
$graph = new graph(750, 400);
$a = new stdClass();
$a->coursename = format_string($course->shortname, true, array('context' => $coursecontext));
$a->username = fullname($user, true);
$graph->parameter['title'] = get_string("hitsoncoursetoday", "", $a);
$graph->x_data = $hours;
$graph->y_data['logs'] = $logs;
$graph->y_order = array('logs');
if (!empty($CFG->preferlinegraphs)) {
/**
* Fetch logs of the current day and structure in series and labels to be sent to Chart API.
*
* @param stdClass $course the course object
* @param stdClass $user user object
* @param int $date A time of a day (in GMT).
* @param string $logreader the log reader where the logs are.
* @return array $logs structured array to be sent to chart API, split in two indexes (series and labels).
*/
function report_log_usertoday_data($course, $user, $date, $logreader)
{
$site = get_site();
$logs = [];
if ($course->id == $site->id) {
$courseselect = 0;
} else {
$courseselect = $course->id;
}
if ($date) {
$daystart = usergetmidnight($date);
} else {
$daystart = usergetmidnight(time());
}
for ($i = 0; $i <= 23; $i++) {
$hour = $daystart + $i * 3600;
$logs['series'][$i] = 0;
$logs['labels'][$i] = userdate($hour, "%H:00");
}
$rawlogs = report_log_userday($user->id, $courseselect, $daystart, $logreader);
foreach ($rawlogs as $rawlog) {
if (isset($logs['labels'][$rawlog->hour])) {
$logs['series'][$rawlog->hour] = $rawlog->num;
}
}
return $logs;
}
