lengthpropertytype.php

<?php
 
 
namespace Bitrix\Calendar\ICal\Basic;
 
 
class LengthPropertyType extends PropertyType
{
    private $interval;
 
    public static function getInstance($names, \DateInterval $interval): LengthPropertyType
    {
        return new self($names, $interval);
    }
 
    public function invert(): LengthPropertyType
    {
        $this->interval->invert = 1;
 
        return $this;
    }
 
    public function __construct($names, \DateInterval $interval)
    {
        parent::__construct($names);
 
        $this->interval = $interval;
    }
 
    public function getValue(): string
    {
        $value = $this->interval->invert ? '-P' : 'P';
 
        if ($this->interval->d > 0) {
            $value .= "{$this->interval->d}D";
        }
 
        if ($this->interval->s > 0 || $this->interval->i > 0 || $this->interval->h > 0) {
            $value .= 'T';
        }
 
        if ($this->interval->h > 0) {
            $value .= "{$this->interval->h}H";
        }
 
        if ($this->interval->i > 0) {
            $value .= "{$this->interval->i}M";
        }
 
        if ($this->interval->s > 0) {
            $value .= "{$this->interval->s}S";
        }
 
        return $value;
    }
 
    public function getOriginalValue(): \DateInterval
    {
        return $this->interval;
    }
}