events/Classes/Service/DestinationDataImportService/DatesFactory.php

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<?php
namespace Wrm\Events\Service\DestinationDataImportService;
use Wrm\Events\Domain\Model\Date;
class DatesFactory
{
/**
* @return \Generator<Date>
*/
public function createDates(
array $timeIntervals,
bool $canceled
): \Generator {
foreach ($timeIntervals as $date) {
$dates = $this->createDate($date, $canceled);
if (!$dates instanceof \Generator) {
return null;
}
foreach ($dates as $createdDate) {
yield $createdDate;
}
}
}
/**
* @return \Generator<Date>|null
*/
private function createDate(
array $date,
bool $canceled
): ?\Generator {
if ($this->isDateSingleDate($date)) {
return $this->createSingleDate($date, $canceled);
}
if ($this->isDateInterval($date)) {
return $this->createDateFromInterval($date, $canceled);
}
return null;
}
private function isDateSingleDate(array $date): bool
{
$frequency = $date['freq'] ?? '';
$start = $date['start'] ?? '';
return $frequency === ''
&& $start !== '';
}
private function isDateInterval(array $date): bool
{
if (empty($date['repeatUntil'])) {
return false;
}
$frequency = $date['freq'] ?? '';
if ($frequency == 'Daily' && empty($date['weekdays'])) {
return true;
}
if ($frequency == 'Weekly' && !empty($date['weekdays'])) {
return true;
}
return false;
}
/**
* @return \Generator<Date>
*/
private function createSingleDate(
array $date,
bool $canceled
): \Generator {
if (strtotime($date['start']) > $this->getToday()) {
yield Date::createFromDestinationDataDate($date, $canceled);
}
}
/**
* @return \Generator<Date>|null
*/
private function createDateFromInterval(
array $date,
bool $canceled
): ?\Generator {
if ($date['freq'] == 'Daily') {
return $this->createDailyDates($date, $canceled);
}
if ($date['freq'] == 'Weekly') {
return $this->createWeeklyDates($date, $canceled);
}
return null;
}
/**
* @return \Generator<Date>
*/
private function createDailyDates(
array $date,
bool $canceled
): \Generator {
$today = $this->getToday();
$start = new \DateTime($date['start'], new \DateTimeZone($date['tz']));
$until = new \DateTime($date['repeatUntil'], new \DateTimeZone($date['tz']));
$i = (int) strtotime($start->format('l'), $start->getTimestamp());
while ($i !== 0 && $i <= $until->getTimestamp()) {
$i = (int) strtotime('+1 day', $i);
if ($i < $today) {
continue;
}
yield $this->createDateFromStartAndUntil(
(string) $i,
$start,
$until,
$canceled
);
}
}
/**
* @return \Generator<Date>
*/
private function createWeeklyDates(
array $date,
bool $canceled
): \Generator {
$today = $this->getToday();
$start = new \DateTime($date['start'], new \DateTimeZone($date['tz']));
$until = new \DateTime($date['repeatUntil'], new \DateTimeZone($date['tz']));
foreach ($date['weekdays'] as $day) {
$i = strtotime($day, $start->getTimestamp());
while ($i !== 0 && $i <= $until->getTimestamp()) {
$timeStampToUse = (string) $i;
$i = strtotime('+1 week', $i);
if ($i < $today) {
continue;
}
yield $this->createDateFromStartAndUntil(
$timeStampToUse,
$start,
$until,
$canceled
);
}
}
}
private function createDateFromStartAndUntil(
string $timestamp,
\DateTime $start,
\DateTime $until,
bool $canceled
): Date {
$eventStart = new \DateTime('@' . $timestamp);
$eventStart->setTime((int) $start->format('H'), (int) $start->format('i'));
$eventEnd = new \DateTime('@' . $timestamp);
$eventEnd->setTime((int) $until->format('H'), (int) $until->format('i'));
return Date::createFromDestinationData(
$eventStart,
$eventEnd,
$canceled
);
}
private function getToday(): int
{
return (int) date('U', strtotime('midnight'));
}
}