/**
* This function is used to generate and display the log activity graph
*
* @global stdClass $CFG
* @param stdClass $course course instance
* @param int|stdClass $user id/object of the user whose logs are needed
* @param string $typeormode type of logs graph needed (usercourse.png/userday.png) or the mode (today, all).
* @param int $date timestamp in GMT (seconds since epoch)
* @param string $logreader Log reader.
* @return void
*/
function report_log_print_graph($course, $user, $typeormode, $date = 0, $logreader = '')
{
global $CFG, $OUTPUT;
if (!is_object($user)) {
$user = core_user::get_user($user);
}
$logmanager = get_log_manager();
$readers = $logmanager->get_readers();
if (empty($logreader)) {
$reader = reset($readers);
} else {
$reader = $readers[$logreader];
}
// If reader is not a sql_internal_table_reader and not legacy store then don't show graph.
if (!$reader instanceof \core\log\sql_internal_table_reader && !$reader instanceof logstore_legacy\log\store) {
return array();
}
$coursecontext = context_course::instance($course->id);
$a = new stdClass();
$a->coursename = format_string($course->shortname, true, array('context' => $coursecontext));
$a->username = fullname($user, true);
if ($typeormode == 'today' || $typeormode == 'userday.png') {
$logs = report_log_usertoday_data($course, $user, $date, $logreader);
$title = get_string("hitsoncoursetoday", "", $a);
} else {
if ($typeormode == 'all' || $typeormode == 'usercourse.png') {
$logs = report_log_userall_data($course, $user, $logreader);
$title = get_string("hitsoncourse", "", $a);
}
}
if (!empty($CFG->preferlinegraphs)) {
$chart = new \core\chart_line();
} else {
$chart = new \core\chart_bar();
}
$series = new \core\chart_series(get_string("hits"), $logs['series']);
$chart->add_series($series);
$chart->set_title($title);
$chart->set_labels($logs['labels']);
$yaxis = $chart->get_yaxis(0, true);
$yaxis->set_label(get_string("hits"));
$yaxis->set_stepsize(max(1, round(max($logs['series']) / 10)));
echo $OUTPUT->render($chart);
}
$chart5->add_series($sales);
$chart5->add_series($expenses);
$chart5->set_labels($labels);
$chart6 = new \core\chart_bar();
$chart6->set_title('HORIZONTAL BAR CHART');
$chart6->set_horizontal(true);
$chart6->add_series($sales);
$chart6->add_series($expenses);
$chart6->set_labels($labels);
$chart7 = new \core\chart_bar();
$chart7->set_title('STACKED BAR CHART');
$chart7->set_stacked(true);
$chart7->add_series($sales);
$chart7->add_series($expenses);
$chart7->set_labels($labels);
$chart8 = new \core\chart_bar();
$chart8->set_title('BAR CHART COMBINED WITH LINE CHART');
$expensesline = new \core\chart_series('Expenses', [400, 460, 1120, 540]);
$expensesline->set_type(\core\chart_series::TYPE_LINE);
$chart8->add_series($expensesline);
$chart8->add_series($sales);
$chart8->set_labels($labels);
echo $OUTPUT->render($chart);
echo $OUTPUT->render($chart2);
echo $OUTPUT->render($chart3);
echo $OUTPUT->render($chart4);
echo $OUTPUT->render($chart5);
echo $OUTPUT->render($chart6);
echo $OUTPUT->render($chart7);
echo $OUTPUT->render($chart8);
echo $OUTPUT->footer();
