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<?php |
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/** |
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* Part of the Joomla Framework DateTime Package |
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* |
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* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved. |
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* @license GNU Lesser General Public License version 2.1 or later; see LICENSE |
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*/ |
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namespace Joomla\DateTime; |
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/** |
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* DateRange class. |
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* |
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* @since 2.0.0 |
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*/ |
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final class DateRange implements \IteratorAggregate |
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{ |
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/** |
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* DateTimeRange object |
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* |
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* @var DateTimeRange |
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* @since 2.0.0 |
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*/ |
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private $range; |
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/** |
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* Constructor. |
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* |
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* @param Date $start The start date. |
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* @param Date $end The end date. |
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* |
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* @since 2.0.0 |
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*/ |
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public function __construct(Date $start, Date $end) |
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{ |
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$this->range = new DateTimeRange(new DateTime($start), new DateTime($end), new DateInterval('P1D')); |
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} |
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/** |
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* Creates a DateRange object from the start date for the given amount of days. |
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* |
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* @param Date $start The start date. |
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* @param integer $amount The amount of dates included in a range. |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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public static function from(Date $start, $amount) |
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{ |
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return self::cast(DateTimeRange::from(new DateTime($start), $amount, new DateInterval('P1D'))); |
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} |
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/** |
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* Creates a DateRange object to the end date for the given amount of days. |
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* |
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* @param Date $end The end date. |
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* @param integer $amount The amount of dates included in a range. |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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public static function to(Date $end, $amount) |
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{ |
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return self::cast(DateTimeRange::to(new DateTime($end), $amount, new DateInterval('P1D'))); |
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} |
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/** |
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* Returns an empty range. |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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public static function emptyRange() |
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{ |
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return self::cast(DateTimeRange::emptyRange()); |
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} |
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/** |
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* Returns the start date. |
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* |
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* @return Date |
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* |
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* @since 2.0.0 |
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*/ |
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public function start() |
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{ |
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return new Date($this->range->start()); |
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} |
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/** |
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* Returns the end date. |
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* |
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* @return Date |
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* |
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* @since 2.0.0 |
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*/ |
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public function end() |
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{ |
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return new Date($this->range->end()); |
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} |
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/** |
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* Checks if a range is empty. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function isEmpty() |
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{ |
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return $this->range->isEmpty(); |
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} |
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/** |
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* Checks if the given date is included in the range. |
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* |
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* @param Date $date The date to compare to. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function includes(Date $date) |
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{ |
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return $this->range->includes(new DateTime($date)); |
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} |
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/** |
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* Checks if ranges are equal. |
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* |
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* @param DateRange $range The range to compare to. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function equals(DateRange $range) |
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{ |
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return $this->range->equals($range->range); |
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} |
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/** |
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* Checks if ranges overlap with each other. |
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* |
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* @param DateRange $range The range to compare to. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function overlaps(DateRange $range) |
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{ |
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return $this->range->overlaps($range->range); |
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} |
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/** |
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* Checks if the given range is included in the current one. |
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* |
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* @param DateRange $range The range to compare to. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function includesRange(DateRange $range) |
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{ |
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return $this->range->includesRange($range->range); |
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} |
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/** |
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* Returns a gap range between two ranges. |
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* |
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* @param DateRange $range The range to compare to. |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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public function gap(DateRange $range) |
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{ |
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return self::cast($this->range->gap($range->range)); |
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} |
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/** |
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* Checks if ranges abuts with each other. |
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* |
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* @param DateRange $range The range to compare to. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public function abuts(DateRange $range) |
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{ |
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return $this->range->abuts($range->range); |
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} |
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/** |
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* Returns an array of dates which are included in the current range. |
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* |
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* @return Date[] |
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* |
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* @since 2.0.0 |
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*/ |
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public function toArray() |
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{ |
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$range = array(); |
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foreach ($this as $day) |
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{ |
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$range[] = $day; |
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} |
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return $range; |
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} |
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/** |
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* Returns an external iterator. |
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* |
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* @return DateIterator |
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* |
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* @since 2.0.0 |
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*/ |
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public function getIterator() |
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{ |
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return new DateIterator($this->start(), $this->end()); |
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} |
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/** |
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* Returns string representation of the range. |
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* |
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* @return string |
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* |
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* @since 2.0.0 |
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*/ |
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public function __toString() |
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{ |
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return sprintf('%s - %s', $this->start()->format('Y-m-d'), $this->end()->format('Y-m-d')); |
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} |
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/** |
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* Returns a range which is created by combination of given ranges. There can't |
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* be a gap between given ranges. |
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* |
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* @param DateRange[] $ranges An array of ranges to combine. |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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public static function combination(array $ranges) |
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{ |
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$dateTimeRanges = array(); |
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foreach ($ranges as $range) |
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{ |
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$dateTimeRanges[] = $range->range; |
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} |
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return self::cast(DateTimeRange::combination($dateTimeRanges)); |
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} |
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/** |
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* Checks if ranges are contiguous. |
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* |
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* @param DateRange[] $ranges An array of ranges to combine. |
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* |
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* @return boolean |
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* |
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* @since 2.0.0 |
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*/ |
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public static function isContiguous(array $ranges) |
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{ |
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$dateTimeRange = array(); |
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foreach ($ranges as $range) |
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{ |
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$dateTimeRange[] = $range->range; |
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} |
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return DateTimeRange::isContiguous($dateTimeRange); |
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} |
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/** |
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* Casts an DateTimeRange object into DateRange. |
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* |
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* @param DateTimeRange $range A DateTimeRange object |
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* |
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* @return DateRange |
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* |
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* @since 2.0.0 |
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*/ |
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private static function cast(DateTimeRange $range) |
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{ |
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$start = new Date($range->start()); |
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$end = new Date($range->end()); |
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return new DateRange($start, $end); |
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} |
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} |
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