while ($timestart < $timenow) {
$timefinish = $timestart + 86400;
if ($reducedays) {
if ($i % $reducedays) {
$days[$i] = "";
} else {
$days[$i] = userdate($timestart, "%a %d %b");
}
} else {
$days[$i] = userdate($timestart, "%a %d %b");
}
$logs[$i] = 0;
$i++;
$timestart = $timefinish;
}
$rawlogs = report_log_usercourse($user->id, $courseselect, $coursestart, $logreader);
if (empty($rawlogs)) {
return;
}
foreach ($rawlogs as $rawlog) {
$logs[$rawlog->day] = $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("hitsoncourse", "", $a);
$graph->x_data = $days;
$graph->y_data['logs'] = $logs;
$graph->y_order = array('logs');
if (!empty($CFG->preferlinegraphs)) {
/**
* Fetch logs since the start of the courses and structure in series and labels to be sent to Chart API.
*
* @param stdClass $course the course object
* @param stdClass $user user object
* @param string $logreader the log reader where the logs are.
* @return array structured array to be sent to chart API, split in two indexes (series and labels).
*/
function report_log_userall_data($course, $user, $logreader)
{
global $CFG;
$site = get_site();
$timenow = time();
$logs = [];
if ($course->id == $site->id) {
$courseselect = 0;
} else {
$courseselect = $course->id;
}
$maxseconds = REPORT_LOG_MAX_DISPLAY * 3600 * 24;
// Seconds.
if ($timenow - $course->startdate > $maxseconds) {
$course->startdate = $timenow - $maxseconds;
}
if (!empty($CFG->loglifetime)) {
$maxseconds = $CFG->loglifetime * 3600 * 24;
// Seconds.
if ($timenow - $course->startdate > $maxseconds) {
$course->startdate = $timenow - $maxseconds;
}
}
$timestart = $coursestart = usergetmidnight($course->startdate);
$i = 0;
$logs['series'][$i] = 0;
$logs['labels'][$i] = 0;
while ($timestart < $timenow) {
$timefinish = $timestart + 86400;
$logs['labels'][$i] = userdate($timestart, "%a %d %b");
$logs['series'][$i] = 0;
$i++;
$timestart = $timefinish;
}
$rawlogs = report_log_usercourse($user->id, $courseselect, $coursestart, $logreader);
foreach ($rawlogs as $rawlog) {
if (isset($logs['labels'][$rawlog->day])) {
$logs['series'][$rawlog->day] = $rawlog->num;
}
}
return $logs;
}
