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<?php |
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declare(strict_types=1); |
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namespace PhpCfdi\SatCatalogos\CFDI; |
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use DateTimeImmutable; |
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use Exception; |
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use PhpCfdi\SatCatalogos\Exceptions\SatCatalogosLogicException; |
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class HusoHorario |
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{ |
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/** @var string */ |
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private $text; |
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/** @var HusoHorarioEstacion */ |
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private $verano; |
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/** @var HusoHorarioEstacion */ |
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private $invierno; |
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public function __construct(string $text, HusoHorarioEstacion $verano, HusoHorarioEstacion $invierno) |
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{ |
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$this->text = $text; |
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$this->verano = $verano; |
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$this->invierno = $invierno; |
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if ($verano->tieneCambioHorario() !== $invierno->tieneCambioHorario()) { |
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throw new SatCatalogosLogicException( |
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'No se puede crear un huso horario con estaciones donde solo una tiene cambio de horario', |
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); |
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} |
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if (! $verano->tieneCambioHorario() and $verano->diferencia() !== $invierno->diferencia()) { |
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throw new SatCatalogosLogicException( |
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'El huso horario no tiene cambio de horario de verano pero tiene no tiene la misma diferencia horaria', |
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); |
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} |
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} |
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public function nombre(): string |
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{ |
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return $this->text; |
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} |
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public function verano(): HusoHorarioEstacion |
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{ |
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return $this->verano; |
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} |
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public function invierno(): HusoHorarioEstacion |
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{ |
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return $this->invierno; |
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} |
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public function convertToDateTime(string $partialDateText): DateTimeImmutable |
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{ |
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try { |
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$partialDate = new DateTimeImmutable($partialDateText); |
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} catch (Exception $exception) { |
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throw new SatCatalogosLogicException( |
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sprintf('No se puede entender la fecha hora "%s" como tal', $partialDateText), |
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); |
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} |
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// time zone does not have DST |
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if (! $this->verano->tieneCambioHorario()) { |
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return $partialDate; |
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} |
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$date = $this->dateTimeFromPartial($partialDate, $this->invierno->diferencia()); |
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$year = (int) $date->format('Y'); |
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$dstSince = $this->dstLimit($year, $this->verano, $this->invierno->diferencia()); |
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$dstUntil = $this->dstLimit($year, $this->invierno, $this->invierno->diferencia()); |
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// is outside DST, nothing to change: NOT $dstSince <= $date < $dstUntil |
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if ($date < $dstSince || $date >= $dstUntil) { |
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return $date; |
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} |
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// is DST |
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$dstHoursDiff = $this->verano->diferencia() - $this->invierno->diferencia(); |
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$dstSince = $dstSince->modify("{$dstHoursDiff} hours"); |
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$summerDate = $this->dateTimeFromPartial($partialDate, $this->verano->diferencia()); |
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if ($date < $dstSince) { // time is between a non-existent hour |
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$summerDate = $summerDate->modify("{$dstHoursDiff} hours"); |
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} |
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return $summerDate; |
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} |
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private function dateTimeFromPartial(DateTimeImmutable $partialDate, int $hoursDiff): DateTimeImmutable |
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{ |
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$iso8601 = sprintf('%s%+02d00', $partialDate->format('Y-m-d\TH:i:s'), $hoursDiff); |
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/** @noinspection PhpUnhandledExceptionInspection */ |
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return new DateTimeImmutable($iso8601); |
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} |
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private function dstLimit(int $year, HusoHorarioEstacion $limit, int $hoursDiff): DateTimeImmutable |
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{ |
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/** @noinspection PhpUnhandledExceptionInspection */ |
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$date = new DateTimeImmutable(sprintf('%04d-%02d-01T00:00:00+000', $year, $limit->mesNumerico())); |
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$date = $date->modify($limit->diaExpresion()); |
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$date = $date->modify(sprintf('%d hours', $limit->horaNumero() - $hoursDiff)); |
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return $date; |
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} |
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} |
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phpcfdi /
sat-catalogos
