<?php namespace Sabre\VObject\Component; use Sabre\VObject; /** * VTodo component * * This component contains some additional functionality specific for VTODOs. * * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved. * @author Evert Pot (http://www.rooftopsolutions.nl/) * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License */ class VTodo 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; $duration = isset($this->DURATION)?VObject\DateTimeParser::parseDuration($this->DURATION):null; $due = isset($this->DUE)?$this->DUE->getDateTime():null; $completed = isset($this->COMPLETED)?$this->COMPLETED->getDateTime():null; $created = isset($this->CREATED)?$this->CREATED->getDateTime():null; if ($dtstart) { if ($duration) { $effectiveEnd = clone $dtstart; $effectiveEnd->add($duration); return $start <= $effectiveEnd && $end > $dtstart; } elseif ($due) { return ($start < $due || $start <= $dtstart) && ($end > $dtstart || $end >= $due); } else { return $start <= $dtstart && $end > $dtstart; } } if ($due) { return ($start < $due && $end >= $due); } if ($completed && $created) { return ($start <= $created || $start <= $completed) && ($end >= $created || $end >= $completed); } if ($completed) { return ($start <= $completed && $end >= $completed); } if ($created) { return ($end > $created); } return true; } }