DateRange.php in Recurring Dates Field 8.2

Namespace

Drupal\date_recur

File

src/DateRange.php

<?php

declare (strict_types=1);
namespace Drupal\date_recur;


/**
 * Defines a date range.
 */
class DateRange {

  /**
   * The start date.
   *
   * @var \DateTimeInterface
   */
  protected $start;

  /**
   * The end date.
   *
   * @var \DateTimeInterface
   */
  protected $end;

  /**
   * Creates a new DateRange.
   *
   * @param \DateTimeInterface $start
   *   The start date.
   * @param \DateTimeInterface $end
   *   The end date.
   */
  public function __construct(\DateTimeInterface $start, \DateTimeInterface $end) {
    $this->start = clone $start;
    $this->end = clone $end;
    $this
      ->validateDates();
  }

  /**
   * Get the start date.
   *
   * @return \DateTimeInterface
   *   The start date.
   */
  public function getStart() : \DateTimeInterface {
    return clone $this->start;
  }

  /**
   * Set the start date.
   *
   * @param \DateTimeInterface $start
   *   The start date.
   *
   * @return $this
   *   Return object for chaining.
   *
   * @throws \InvalidArgumentException
   *   When there is a problem with the start and/or end date.
   */
  public function setStart(\DateTimeInterface $start) {

    // Clone to ensure references are lost.
    $this->start = clone $start;
    $this
      ->validateDates();
    return $this;
  }

  /**
   * Get the end date.
   *
   * @return \DateTimeInterface
   *   The end date.
   */
  public function getEnd() : \DateTimeInterface {
    return clone $this->end;
  }

  /**
   * Set the end date.
   *
   * @param \DateTimeInterface $end
   *   The end date.
   *
   * @return $this
   *   Return object for chaining.
   *
   * @throws \InvalidArgumentException
   *   When there is a problem with the start and/or end date.
   */
  public function setEnd(\DateTimeInterface $end) {

    // Clone to ensure references are lost.
    $this->end = clone $end;
    $this
      ->validateDates();
    return $this;
  }

  /**
   * Validates the start and end dates.
   *
   * @throws \InvalidArgumentException
   *   When there is a problem with the start and/or end date.
   */
  protected function validateDates() : void {

    // Normalize end date timezone.
    if ($this->start
      ->getTimezone()
      ->getName() !== $this->end
      ->getTimezone()
      ->getName()) {
      throw new \InvalidArgumentException('Provided dates must be the same timezone.');
    }
    if ($this->end < $this->start) {
      throw new \InvalidArgumentException('End date must not occur before start date.');
    }
  }

}

Classes

Name	Description
DateRange	Defines a date range.