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<?php |
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/** |
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* This file is part of the Teazee package. |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license MIT License |
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*/ |
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namespace Teazee; |
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use DateTimeImmutable; |
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use DateTimeZone; |
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/** |
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* Value Object for a DateTimeZone at a specific moment in time. |
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* |
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* @author Michael Crumm <[email protected]> |
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*/ |
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class ZoneInfo extends DateTimeZone |
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{ |
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/** |
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* @var DateTimeImmutable |
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*/ |
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private $dateTime; |
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/** |
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* @var int |
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*/ |
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private $timestamp; |
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/** |
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* @var string |
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*/ |
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private $country; |
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/** |
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* @var array |
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*/ |
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private $info; |
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/** |
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* ZoneInfo constructor. |
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* |
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* @param string $id IANA Timezone identifier. |
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* @param int $timestamp Seconds since January 1, 1970 UTC. |
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*/ |
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public function __construct($id, $timestamp) |
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{ |
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parent::__construct($id); |
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$this->timestamp = (int) $timestamp; |
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$this->dateTime = new DateTimeImmutable('@'.$this->timestamp, $this); |
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$this->country = $this->getLocation()['country_code']; |
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} |
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/** |
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* @return string |
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*/ |
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public function getAbbreviation() |
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{ |
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return $this->loadInfo()['abbr']; |
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} |
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/** |
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* @return string |
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*/ |
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public function getCountry() |
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{ |
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return $this->country; |
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} |
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/** |
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* @return DateTimeImmutable |
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*/ |
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public function getDateTime() |
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{ |
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return $this->dateTime; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTimestamp() |
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{ |
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return $this->timestamp; |
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} |
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/** |
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* @return int |
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*/ |
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public function getUtcOffset() |
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{ |
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return $this->loadInfo()['offset']; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isDst() |
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{ |
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return $this->loadInfo()['isdst']; |
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} |
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/** |
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* Lazily loads the transition info. |
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* |
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* @return array |
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*/ |
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private function loadInfo() |
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{ |
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if (null === $this->info) { |
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$this->info = $this->getCurrentTransition($this->timestamp); |
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} |
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return $this->info; |
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} |
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/** |
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* @param int $timestamp |
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* |
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* @return array |
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*/ |
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private function getCurrentTransition($timestamp) |
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{ |
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$transitions = $this->getTransitions($timestamp, $timestamp); |
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if (false === $transitions) { |
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$transitions = [['abbr' => null, 'isdst' => null, 'offset' => null]]; |
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} |
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return $transitions[0]; |
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} |
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} |
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wyndow /
teazee
