/**
* Fix missing entries in the statistics.
*
* This creates a dummy stat when nothing happened during a day/week/month.
*
* @param array $stats array of statistics.
* @param int $timeafter unused.
* @param string $timestr type of statistics to generate (dayly, weekly, monthly).
* @param boolean $line2
* @param boolean $line3
* @return array of fixed statistics.
*/
function stats_fix_zeros($stats, $timeafter, $timestr, $line2 = true, $line3 = false)
{
if (empty($stats)) {
return;
}
$timestr = str_replace('user_', '', $timestr);
// just in case.
// Gets the current user base time.
$fun = 'stats_get_base_' . $timestr;
$now = $fun();
// Extract the ending time of the statistics.
$actualtimes = array();
$actualtimeshour = null;
foreach ($stats as $statid => $s) {
// Normalise the month date to the 1st if for any reason it's set to later. But we ignore
// anything above or equal to 29 because sometimes we get the end of the month. Also, we will
// set the hours of the result to all of them, that way we prevent DST differences.
if ($timestr == 'monthly') {
$day = date('d', $s->timeend);
if (date('d', $s->timeend) > 1 && date('d', $s->timeend) < 29) {
$day = 1;
}
if (is_null($actualtimeshour)) {
$actualtimeshour = date('H', $s->timeend);
}
$s->timeend = mktime($actualtimeshour, 0, 0, date('m', $s->timeend), $day, date('Y', $s->timeend));
}
$stats[$statid] = $s;
$actualtimes[] = $s->timeend;
}
$actualtimesvalues = array_values($actualtimes);
$timeafter = array_pop($actualtimesvalues);
// Generate a base timestamp for each possible month/week/day.
$times = array();
while ($timeafter < $now) {
$times[] = $timeafter;
if ($timestr == 'daily') {
$timeafter = stats_get_next_day_start($timeafter);
} else {
if ($timestr == 'weekly') {
$timeafter = stats_get_next_week_start($timeafter);
} else {
if ($timestr == 'monthly') {
// We can't just simply +1 month because the 31st Jan + 1 month = 2nd of March.
$year = date('Y', $timeafter);
$month = date('m', $timeafter);
$day = date('d', $timeafter);
$dayofnextmonth = $day;
if ($day >= 29) {
$daysinmonth = date('n', mktime(0, 0, 0, $month + 1, 1, $year));
if ($day > $daysinmonth) {
$dayofnextmonth = $daysinmonth;
}
}
$timeafter = mktime($actualtimeshour, 0, 0, $month + 1, $dayofnextmonth, $year);
} else {
// This will put us in a never ending loop.
return $stats;
}
}
}
}
// Add the base timestamp to the statistics if not present.
foreach ($times as $count => $time) {
if (!in_array($time, $actualtimes) && $count != count($times) - 1) {
$newobj = new StdClass();
$newobj->timeend = $time;
$newobj->id = 0;
$newobj->roleid = 0;
$newobj->line1 = 0;
if (!empty($line2)) {
$newobj->line2 = 0;
}
if (!empty($line3)) {
$newobj->line3 = 0;
}
$newobj->zerofixed = true;
$stats[] = $newobj;
}
}
usort($stats, "stats_compare_times");
return $stats;
}
function stats_fix_zeros($stats, $timeafter, $timestr, $line2 = true, $line3 = false)
{
if (empty($stats)) {
return;
}
$timestr = str_replace('user_', '', $timestr);
// just in case.
$fun = 'stats_get_base_' . $timestr;
$now = $fun();
$times = array();
// add something to timeafter since it is our absolute base
$actualtimes = array();
foreach ($stats as $statid => $s) {
//normalize the times in stats - those might have been created in different timezone, DST etc.
$s->timeend = $fun($s->timeend + 60 * 60 * 5);
$stats[$statid] = $s;
$actualtimes[] = $s->timeend;
}
$timeafter = array_pop(array_values($actualtimes));
while ($timeafter < $now) {
$times[] = $timeafter;
if ($timestr == 'daily') {
$timeafter = stats_get_next_day_start($timeafter);
} else {
if ($timestr == 'weekly') {
$timeafter = stats_get_next_week_start($timeafter);
} else {
if ($timestr == 'monthly') {
$timeafter = stats_get_next_month_start($timeafter);
} else {
return $stats;
// this will put us in a never ending loop.
}
}
}
}
foreach ($times as $count => $time) {
if (!in_array($time, $actualtimes) && $count != count($times) - 1) {
$newobj = new StdClass();
$newobj->timeend = $time;
$newobj->id = 0;
$newobj->roleid = 0;
$newobj->line1 = 0;
if (!empty($line2)) {
$newobj->line2 = 0;
}
if (!empty($line3)) {
$newobj->line3 = 0;
}
$newobj->zerofixed = true;
$stats[] = $newobj;
}
}
usort($stats, "stats_compare_times");
return $stats;
}
/**
* Test the daily stats function.
*
* @depends test_statslib_get_base_daily
* @depends test_statslib_get_next_day_start
*/
public function test_statslib_cron_daily_no_default_profile_id()
{
global $CFG, $DB;
$CFG->defaultfrontpageroleid = 0;
$course1 = $DB->get_record('course', array('shortname' => 'course1'));
$guestid = $CFG->siteguest;
$start = stats_get_base_daily(1272758400);
$end = stats_get_next_day_start($start);
$fpid = (int) $CFG->defaultfrontpageroleid;
$gr = get_guest_role();
$dataset = $this->load_xml_data_file(__DIR__ . "/fixtures/statslib-test10.xml");
$this->prepare_db($dataset[0], array('log'));
// Stats cron daily uses mtrace, turn on buffering to silence output.
ob_start();
stats_cron_daily($maxdays = 1);
$output = ob_get_contents();
ob_end_clean();
$this->verify_stats($dataset[1], $output);
}
