static function getAll()
{
$userCounts = self::cacheGet('sitemap:user:counts');
if ($userCounts === false) {
$suc = new Sitemap_user_count();
$suc->orderBy('registration_date DESC');
// Fetch the first one to check up-to-date-itude
$n = $suc->find(true);
$today = self::today();
$userCounts = array();
if (!$n) {
// No counts saved yet
$userCounts = self::initializeCounts();
} else {
if ($suc->registration_date < $today) {
// There are counts but not up to today
$userCounts = self::fillInCounts($suc->registration_date);
} else {
if ($suc->registration_date == $today) {
// Refresh today's
$userCounts[$today] = self::updateToday();
}
}
}
// starts with second-to-last date
while ($suc->fetch()) {
$userCounts[$suc->registration_date] = $suc->user_count;
}
// Cache user counts for 4 hours.
self::cacheSet('sitemap:user:counts', $userCounts, null, time() + 4 * 60 * 60);
}
return $userCounts;
}
