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<?php |
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/** |
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* This file is part of Zee Project. |
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* |
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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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* @see https://github.com/zee/ |
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*/ |
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namespace Zee\DateRange; |
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use DateTimeImmutable; |
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use DateTimeInterface; |
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use JsonSerializable; |
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use Zee\DateRange\States\RangeState; |
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use Zee\DateRange\States\UndefinedRange; |
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/** |
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* Implementation of date range value object. |
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*/ |
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final class DateRange implements DateRangeInterface, JsonSerializable |
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{ |
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/** |
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* @var RangeState |
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*/ |
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private $state; |
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/** |
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* @param DateTimeInterface|null $startTime |
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* @param DateTimeInterface|null $endTime |
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*/ |
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public function __construct(DateTimeInterface $startTime = null, DateTimeInterface $endTime = null) |
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{ |
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$state = new UndefinedRange(); |
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if (isset($startTime)) { |
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$state = $state->setStartTime($startTime); |
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} |
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if (isset($endTime)) { |
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$state = $state->setEndTime($endTime); |
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} |
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$this->state = $state; |
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} |
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/** |
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* Returns string representation of range. |
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* |
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* {@inheritdoc} |
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*/ |
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public function __toString(): string |
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{ |
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return (string) $this->state; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __debugInfo() |
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{ |
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return [ |
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'startTime' => $this->state->hasStartTime() |
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? $this->state->getStartTime() |
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: null, |
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'endTime' => $this->state->hasEndTime() |
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? $this->state->getEndTime() |
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: null, |
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]; |
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} |
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/** |
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* Returns value ready to be encoded as JSON. |
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* |
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* The ISO-8601 range format is used for times. |
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* |
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* {@inheritdoc} |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return $this->state->jsonSerialize(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasStartTime(): bool |
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{ |
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return $this->state->hasStartTime(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasEndTime(): bool |
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{ |
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return $this->state->hasEndTime(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getStartTime(): DateTimeInterface |
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{ |
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return $this->state->getStartTime(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEndTime(): DateTimeInterface |
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{ |
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return $this->state->getEndTime(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setStartTime(DateTimeInterface $time): DateRangeInterface |
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{ |
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$clone = clone $this; |
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$clone->state = $clone->state->setStartTime($time); |
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return $clone; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setEndTime(DateTimeInterface $time): DateRangeInterface |
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{ |
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$clone = clone $this; |
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$clone->state = $clone->state->setEndTime($time); |
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return $clone; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isStartedAt(DateTimeInterface $time): bool |
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{ |
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return $this->hasStartTime() && $this->state->compareStartTime($time) === 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isEndedAt(DateTimeInterface $time): bool |
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{ |
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return $this->hasEndTime() && $this->state->compareEndTime($time) === 0; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isStarted(): bool |
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{ |
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if ($this->hasStartTime()) { |
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return $this->state->compareStartTime(new DateTimeImmutable()) <= 0; |
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} else { |
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return $this->hasEndTime(); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isEnded(): bool |
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{ |
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return $this->hasEndTime() && $this->state->compareEndTime(new DateTimeImmutable()) < 0; |
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} |
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} |
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zee /
date-range
