public function current()
{
if (!isset($this->c[$this->i])) {
$chartPoint = new ChartPointInfo($this);
$previousPeriodDt = clone $chartPoint->dt;
$previousPeriodDt->sub($this->getPreviousPeriodInterval());
switch ($chartPoint->interval) {
case '1 hour':
$h = $chartPoint->dt->format('H');
$chartPoint->label = $chartPoint->dt->format('l, M j, g A');
$chartPoint->show = $h == 0 ? $chartPoint->dt->format('M j') : ($h % 3 == 0 ? $chartPoint->dt->format('g a') : '');
$chartPoint->key = $chartPoint->dt->format("Y-m-d H:00:00");
$chartPoint->previousPeriodKey = $previousPeriodDt->format('Y-m-d H:00:00');
break;
case '1 day':
$chartPoint->label = $chartPoint->dt->format('M j');
$chartPoint->key = $chartPoint->dt->format('Y-m-d');
$chartPoint->previousPeriodKey = $previousPeriodDt->format('Y-m-d');
$chartPoint->show = $chartPoint->i % 4 == 0 || $chartPoint->isLastPoint && $chartPoint->i % 4 > 2 ? $chartPoint->dt->format('M j') : '';
break;
case '1 week':
$ddt = clone $chartPoint->dt;
$ddt->modify('next saturday');
if ($ddt > $chartPoint->end) {
$ddt = $chartPoint->end;
}
$chartPoint->label = $chartPoint->dt->format('M j') . ' - ' . $ddt->format('M j');
$chartPoint->key = \Scalr_Util_DateTime::yearweek($chartPoint->dt->format('Y-m-d'));
$chartPoint->previousPeriodKey = \Scalr_Util_DateTime::yearweek($previousPeriodDt->format('Y-m-d'));
$chartPoint->show = $chartPoint->i % 3 == 0 ? $chartPoint->dt->format('M j') : ($chartPoint->isLastPoint && $chartPoint->i % 3 > 1 ? $ddt->format('M j') : '');
break;
case '1 month':
$diffdays = $this->start->diff($this->end, true)->days;
if ($diffdays < 366) {
$chartPoint->show = $chartPoint->label = $chartPoint->dt->format('M');
} else {
$chartPoint->show = $chartPoint->label = $chartPoint->dt->format('M, Y');
}
$chartPoint->key = $chartPoint->dt->format('Y-m');
$chartPoint->previousPeriodKey = $previousPeriodDt->format('Y-m');
break;
case '1 quarter':
//Quarter breakdown is not supported yet
$quarters = new Quarters(SettingEntity::getQuarters());
$currentPeriod = $quarters->getPeriodForDate($chartPoint->start);
$prevStart = $this->getPreviousStart();
$prevPeriod = $quarters->getPeriodForDate($prevStart);
$chartPoint->show = $chartPoint->label = $currentPeriod->year . ' Q' . $currentPeriod->quarter;
$chartPoint->key = $currentPeriod->year . '-' . $currentPeriod->quarter;
$chartPoint->previousPeriodKey = $prevPeriod->year . '-' . $prevPeriod->quarter;
break;
case '1 year':
$chartPoint->show = $chartPoint->label = $chartPoint->dt->format('Y');
$chartPoint->key = $chartPoint->label;
$chartPoint->previousPeriodKey = $previousPeriodDt->format('Y');
break;
default:
throw new \InvalidArgumentException(sprintf('Unsupported interval for custom mode %s.', $chartPoint->interval));
break;
}
$this->c[$this->i] = $chartPoint;
}
return $this->c[$this->i];
}