alarm.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\ICal\Builder;
 
use Bitrix\Calendar\ICal\Basic\BasicComponent;
use Bitrix\Calendar\ICal\Basic\Content;
use Bitrix\Calendar\ICal\Basic\DatetimePropertyType;
use Bitrix\Calendar\ICal\Basic\PropertyType;
use Bitrix\Calendar\ICal\Basic\TextPropertyType;
use Bitrix\Calendar\ICal\IcsBuilder;
use Bitrix\Calendar\Util;
use Bitrix\Main\Type\DateTime;
 
final class Alarm extends BasicComponent
{
    public function __construct(
        private readonly string $type,
        private readonly string $value,
        private readonly string $message = '',
    )
    {
    }
 
    public function getType(): string
    {
        return 'VALARM';
    }
 
    protected function setContent(): Content
    {
        $content = Content::getInstance($this->getType())
            ->textProperty('ACTION', 'DISPLAY')
            ->property($this->resolveTriggerProperty())
        ;
 
        if ($this->message)
        {
            $content->textProperty('DESCRIPTION', $this->message);
        }
 
        return $content;
    }
 
    private function resolveTriggerProperty(): PropertyType
    {
        $property = null;
 
        switch ($this->type)
        {
            case 'DURATION':
                $property = new TextPropertyType('TRIGGER', $this->value);
                break;
            case 'DATE-TIME':
                $dateTime = Util::getDateObject(
                    date: (new DateTime($this->value, IcsBuilder::UTC_DATETIME_FORMAT))
                        ->format(IcsBuilder::DEFAULT_DATETIME_FORMAT),
                    fullDay: false
                );
                $property = new DatetimePropertyType(
                    names: 'TRIGGER',
                    dateTime: $dateTime,
                    withTime: true,
                    withTimezone: false,
                    isUTC: true
                );
                break;
        }
 
        return $property;
    }
 
    public function getProperties(): array
    {
        return [
            'ACTION',
            'TRIGGER',
        ];
    }
}