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<?php |
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namespace Popy\Calendar\Converter\UnixTimeConverter; |
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use OutOfBoundsException; |
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use Popy\Calendar\Converter\Conversion; |
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use Popy\Calendar\Converter\UnixTimeConverterInterface; |
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use Popy\Calendar\ValueObject\DateSolarRepresentationInterface; |
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use Popy\Calendar\ValueObject\DateFragmentedRepresentationInterface; |
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abstract class AbstractDatePartsSolarSplitter implements UnixTimeConverterInterface |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function fromUnixTime(Conversion $conversion) |
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{ |
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$input = $conversion->getTo(); |
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if ( |
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!$input instanceof DateFragmentedRepresentationInterface |
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|| !$input instanceof DateSolarRepresentationInterface |
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) { |
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return; |
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} |
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$dayIndex = $input->getDayIndex(); |
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$fragments = $resultSizes = []; |
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foreach ($this->getAllFragmentSizes($input) as $sizes) { |
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foreach ($sizes as $k => $size) { |
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if ($dayIndex < $size) { |
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$fragments[] = $k; |
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$resultSizes[] = $size; |
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continue 2; |
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} |
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$dayIndex -= $size; |
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} |
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throw new OutOfBoundsException( |
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'Input dayIndex too big for given fragment sizes' |
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); |
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} |
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$fragments[] = $dayIndex; |
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$dateParts = $input->getDateParts() |
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->withFragments($fragments) |
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->withSizes($resultSizes) |
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; |
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$conversion->setTo($input->withDateParts($dateParts)); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function toUnixTime(Conversion $conversion) |
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{ |
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$input = $conversion->getTo(); |
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if ( |
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!$input instanceof DateFragmentedRepresentationInterface |
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|| !$input instanceof DateSolarRepresentationInterface |
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) { |
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return; |
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} |
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if (null !== $input->getDayIndex()) { |
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return ; |
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} |
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$dayIndex = 0; |
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$dateParts = $input->getDateParts(); |
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$fragmentSizes = $this->getAllFragmentSizes($input); |
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foreach ($dateParts->all() as $index => $value) { |
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$value = (int)$value; |
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if (!isset($fragmentSizes[$index])) { |
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// No available size means we reached the final fragment |
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$dayIndex += $value; |
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break; |
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} |
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if ($value && !isset($fragmentSizes[$index][$value - 1])) { |
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throw new OutOfBoundsException(sprintf( |
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'%s is an index too big for fragment #%s', |
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$value, |
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$index |
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)); |
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} |
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for ($i=0; $i < $value; $i++) { |
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$dayIndex += $fragmentSizes[$index][$i]; |
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} |
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} |
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$conversion->setTo($input->withDayIndex( |
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$dayIndex, |
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$input->getEraDayIndex() |
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)); |
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} |
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/** |
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* Returns an array containing, for each fragment, all its possible sizes in |
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* days. |
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* |
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* For instance, for the standard gregorian calendar, should return |
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* [ [31,28,31, ...] ] |
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* |
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* @param DateFragmentedRepresentationInterface $input |
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* |
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* @return array<array<integer>> |
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*/ |
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abstract protected function getAllFragmentSizes(DateFragmentedRepresentationInterface $input); |
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} |
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popy-dev /
popy-calendar
