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<?php |
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declare(strict_types=1); |
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namespace Arp\DateTime; |
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use Arp\DateTime\Exception\DateTimeFactoryException; |
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use Arp\DateTime\Exception\DateTimeZoneFactoryException; |
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/** |
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* @author Alex Patterson <[email protected]> |
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* @package Arp\DateTime |
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*/ |
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final class DateTimeFactory implements DateTimeFactoryInterface |
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{ |
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/** |
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* @var DateTimeZoneFactoryInterface |
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*/ |
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private DateTimeZoneFactoryInterface $dateTimeZoneFactory; |
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/** |
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* @var string |
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*/ |
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private string $dateTimeClassName; |
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/** |
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* @param DateTimeZoneFactoryInterface|null $dateTimeZoneFactory |
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* @param string|null $dateTimeClassName |
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* |
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* @throws DateTimeFactoryException |
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*/ |
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public function __construct( |
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DateTimeZoneFactoryInterface $dateTimeZoneFactory = null, |
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string $dateTimeClassName = null |
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) { |
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$this->dateTimeZoneFactory = $dateTimeZoneFactory ?? new DateTimeZoneFactory(); |
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$dateTimeClassName ??= \DateTime::class; |
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if (!is_a($dateTimeClassName, \DateTimeInterface::class, true)) { |
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throw new DateTimeFactoryException( |
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sprintf( |
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'The \'dateTimeClassName\' parameter must be a class name that implements \'%s\'', |
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\DateTimeInterface::class |
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) |
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); |
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} |
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$this->dateTimeClassName = $dateTimeClassName; |
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} |
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/** |
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* @param null|string $spec The date and time specification |
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* @param string|\DateTimeZone|null $timeZone The date time zone; if omitted or null the PHP default will be used |
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* |
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* @return \DateTimeInterface |
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* |
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* @throws DateTimeFactoryException If the \DateTime instance cannot be created. |
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*/ |
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public function createDateTime(?string $spec = null, $timeZone = null): \DateTimeInterface |
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{ |
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try { |
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return new $this->dateTimeClassName($spec ?? 'now', $this->resolveDateTimeZone($timeZone)); |
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} catch (\Exception $e) { |
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throw new DateTimeFactoryException( |
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sprintf( |
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'Failed to create a valid \DateTime instance using \'%s\': %s', |
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$spec, |
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$e->getMessage() |
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), |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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/** |
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* @param string $format The date and time format |
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* @param string $spec The date and time specification |
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* @param string|\DateTimeZone|null $timeZone The date time zone; if omitted or null the PHP default will be used |
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* |
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* @return \DateTimeInterface |
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* |
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* @throws DateTimeFactoryException If the \DateTime instance cannot be created |
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*/ |
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public function createFromFormat(string $format, string $spec, $timeZone = null): \DateTimeInterface |
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{ |
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/** @var callable $factory */ |
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$factory = [$this->dateTimeClassName, 'createFromFormat']; |
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$dateTime = $factory($spec, $format, $this->resolveDateTimeZone($timeZone)); |
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if (false === $dateTime || !$dateTime instanceof \DateTimeInterface) { |
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throw new DateTimeFactoryException( |
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sprintf( |
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'Failed to create a valid \DateTime instance using \'%s\' and format \'%s\'', |
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$spec, |
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$format |
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) |
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); |
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} |
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return $dateTime; |
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} |
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/** |
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* @param mixed|string|\DateTimeZone|null $timeZone |
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* |
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* @return \DateTimeZone|null |
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* |
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* @throws DateTimeFactoryException |
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*/ |
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private function resolveDateTimeZone($timeZone): ?\DateTimeZone |
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{ |
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if (empty($timeZone) || (!is_string($timeZone) && !$timeZone instanceof \DateTimeZone)) { |
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return null; |
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} |
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try { |
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return is_string($timeZone) |
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? $this->dateTimeZoneFactory->createDateTimeZone($timeZone) |
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: $timeZone; |
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} catch (DateTimeZoneFactoryException $e) { |
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throw new DateTimeFactoryException( |
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sprintf('Failed to create date time zone: %s', $e->getMessage()), |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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} |
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alex-patterson-webdev /
date-time
