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<?php |
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/** |
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* Copyright Andreas Heigl <[email protected]> |
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* |
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* Licensed under the MIT-license. For details see the included file LICENSE.md |
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*/ |
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declare(strict_types=1); |
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namespace Org_Heigl\Holidaychecker\IteratorItem; |
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use DateTimeInterface; |
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use IntlCalendar; |
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use Org_Heigl\Holidaychecker\CalendarDay; |
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use Org_Heigl\Holidaychecker\GregorianWeekday; |
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use Org_Heigl\Holidaychecker\HolidayIteratorItemInterface; |
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use Org_Heigl\Holidaychecker\SwapDirection; |
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use Org_Heigl\Holidaychecker\SwapRule; |
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use function in_array; |
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class SwapDecorator implements HolidayIteratorItemInterface |
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{ |
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/** @var HolidayIteratorItemInterface */ |
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private $rule; |
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/** @var CalendarDay */ |
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private $day; |
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/** @var SwapRule[] */ |
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private $swapRules; |
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public function __construct(HolidayIteratorItemInterface $rule, CalendarDay $day, SwapRule ...$swapRules) |
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{ |
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$this->rule = $rule; |
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$this->day = $day; |
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$this->swapRules = $swapRules; |
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} |
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public function dateMatches(DateTimeInterface $date): bool |
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{ |
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$year = (int) $date->format('Y'); |
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$weekday = GregorianWeekday::fromIntlWeekday($this->day->getWeekdayForGregorianYear($year)); |
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foreach ($this->swapRules as $rule) { |
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if ($this->ruleMatches($rule, $weekday)) { |
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return $this->isModifiedDate($date, $rule->getSwapToDay(), $rule->getDirection()); |
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} |
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} |
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return $this->rule->dateMatches($date); |
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} |
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private function ruleMatches(SwapRule $rule, GregorianWeekday $weekday): bool |
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{ |
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return in_array($weekday, $rule->getSwapWhenDays(), true); |
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} |
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private function isModifiedDate(DateTimeInterface $dateTime, GregorianWeekday $modifiedDay, SwapDirection $direction): bool |
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{ |
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$cal = $this->day->getCalendar(); |
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$cal = CalendarDay::setGregorianYearForDate((int) $dateTime->format('Y'), $cal); |
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$day = $cal->toDateTime(); |
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$day->modify($direction->getDateTimeDirection() . ' ' . $modifiedDay); |
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$cal->setTime($day->getTimestamp() * 1000); |
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$cal2 = $this->day->getCalendar(); |
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$cal2->setTime($dateTime->getTimestamp() * 1000); |
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if ($this->day->hasYearSet() && $cal->get(IntlCalendar::FIELD_YEAR) !== $cal2->get(IntlCalendar::FIELD_YEAR)) { |
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return false; |
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} |
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if ($cal->get(IntlCalendar::FIELD_MONTH) !== $cal2->get(IntlCalendar::FIELD_MONTH)) { |
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return false; |
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} |
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return $cal->get(IntlCalendar::FIELD_DAY_OF_MONTH) === $cal2->get(IntlCalendar::FIELD_DAY_OF_MONTH); |
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} |
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public function getName(): string |
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{ |
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return $this->rule->getName(); |
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} |
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public function isHoliday(): bool |
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{ |
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return $this->rule->isHoliday(); |
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} |
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} |
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heiglandreas /
holidayChecker
