<?php
  
  namespace Sabre\VObject\Component;
  
  use Sabre\VObject;
  
  /**
   * VJournal component
   *
   * This component contains some additional functionality specific for VJOURNALs.

   *
   * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
   * @author Evert Pot (http://evertpot.com/)

   * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
   */
  class VJournal extends VObject\Component {
  
      /**

       * Returns true or false depending on if the event falls in the specified
       * time-range. This is used for filtering purposes.

       *

       * The rules used to determine if an event falls within the specified

       * time-range is based on the CalDAV specification.
       *
       * @param DateTime $start

       * @param DateTime $end
       * @return bool

       */
      public function isInTimeRange(\DateTime $start, \DateTime $end) {
  
          $dtstart = isset($this->DTSTART)?$this->DTSTART->getDateTime():null;
          if ($dtstart) {
              $effectiveEnd = clone $dtstart;
              if ($this->DTSTART->getDateType() == VObject\Property\DateTime::DATE) {
                  $effectiveEnd->modify('+1 day');
              }
  
              return ($start <= $effectiveEnd && $end > $dtstart);
  
          }
          return false;
  
  
      }
  
  }