49 lines
1.4 KiB
PHP
49 lines
1.4 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace pvv\side\social;
|
|
|
|
use pvv\side\Activity;
|
|
use pvv\side\Event;
|
|
|
|
class NerdepitsaActivity implements Activity {
|
|
public function nextDate(\DateTimeImmutable $date): \DateTimeImmutable {
|
|
if ((int) $date->format('H') > 19) {
|
|
return $this->nextDate($date->add(new \DateInterval('P1D'))->setTime(19, 0, 0));
|
|
}
|
|
$date = $date->setTime(19, 0, 0);
|
|
if ((int) $date->format('N') !== 5) {
|
|
return $this->nextDate($date->add(new \DateInterval('P1D')));
|
|
}
|
|
if ((int) $date->format('W') % 2) {
|
|
return $this->nextDate($date->add(new \DateInterval('P7D')));
|
|
}
|
|
|
|
return $date;
|
|
}
|
|
|
|
public function prevDate(\DateTimeImmutable $date): \DateTimeImmutable {
|
|
if ((int) $date->format('H') < 19) {
|
|
return $this->prevDate($date->sub(new \DateInterval('P1D'))->setTime(19, 0, 0));
|
|
}
|
|
$date = $date->setTime(19, 0, 0);
|
|
if ((int) $date->format('N') !== 5) {
|
|
return $this->prevDate($date->sub(new \DateInterval('P1D')));
|
|
}
|
|
if ((int) $date->format('W') % 2) {
|
|
return $this->prevDate($date->sub(new \DateInterval('P7D')));
|
|
}
|
|
|
|
return $date;
|
|
}
|
|
|
|
public function getNextEventFrom(\DateTimeImmutable $date): ?Event {
|
|
return new NerdepitsaEvent($this->nextDate($date));
|
|
}
|
|
|
|
public function getPreviousEventFrom(\DateTimeImmutable $date): ?Event {
|
|
return new NerdepitsaEvent($this->prevDate($date));
|
|
}
|
|
}
|