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<?php
/**
* iCalcreator, the PHP class package managing iCal (rfc2445/rfc5445) calendar information.
*
* copyright (c) 2007-2021 Kjell-Inge Gustafsson, kigkonsult, All rights reserved
* Link https://kigkonsult.se
* Package iCalcreator
* Version 2.30
* License Subject matter of licence is the software iCalcreator.
* The above copyright, link, package and version notices,
* this licence notice and the invariant [rfc5545] PRODID result use
* as implemented and invoked in iCalcreator shall be included in
* all copies or substantial portions of the iCalcreator.
*
* iCalcreator is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* iCalcreator is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with iCalcreator. If not, see <https://www.gnu.org/licenses/>.
*
* This file is a part of iCalcreator.
*/
namespace Kigkonsult\Icalcreator\Traits;
use DateTime;
use DateTimeInterface;
use Exception;
use InvalidArgumentException;
use Kigkonsult\Icalcreator\Util\DateTimeFactory;
use Kigkonsult\Icalcreator\Util\ParameterFactory;
use Kigkonsult\Icalcreator\Util\StringFactory;
use Kigkonsult\Icalcreator\Util\Util;
use Kigkonsult\Icalcreator\Vcalendar;
use function array_change_key_case;
/**
* LAST-MODIFIED property functions
*
* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
* @since 2.29.16 2020-01-24
*/
trait LAST_MODIFIEDtrait
{
/**
* @var array component property LAST-MODIFIED value
*/
protected $lastmodified = null;
/**
* Return formatted output for calendar component property last-modified
*
* @return string
* @throws Exception
* @throws InvalidArgumentException
* @since 2.29.9 2019-08-05
*/
public function createLastmodified()
{
if( empty( $this->lastmodified )) {
return null;
}
return StringFactory::createElement(
self::LAST_MODIFIED,
ParameterFactory::createParams( $this->lastmodified[Util::$LCparams] ),
DateTimeFactory::dateTime2Str( $this->lastmodified[Util::$LCvalue] )
);
}
/**
* Delete calendar component property lastmodified
*
* @return bool
* @since 2.27.1 - 2018-12-15
*/
public function deleteLastmodified()
{
$this->lastmodified = null;
return true;
}
/**
* Return calendar component property last-modified
*
* @param bool $inclParam
* @return bool|DateTime|array
* @since 2.29.9 2019-08-05
*/
public function getLastmodified( $inclParam = false )
{
if( empty( $this->lastmodified )) {
return false;
}
return ( $inclParam )
? $this->lastmodified
: $this->lastmodified[Util::$LCvalue];
}
/**
* Set calendar component property last-modified
*
* @param string|DateTimeInterface $value
* @param array $params
* @return static
* @throws Exception
* @throws InvalidArgumentException
* @since 2.29.16 2020-01-24
*/
public function setLastmodified( $value = null, $params = [] )
{
if( empty( $value )) {
$this->lastmodified = [
Util::$LCvalue => DateTimeFactory::factory( null, self::UTC ),
Util::$LCparams => [],
];
return $this;
}
$params = array_change_key_case( $params, CASE_UPPER );
$params[Vcalendar::VALUE] = Vcalendar::DATE_TIME;
$this->lastmodified = DateTimeFactory::setDate( $value, $params, true ); // $forceUTC
return $this;
}
}