<?php
if (!defined('B_PROLOG_INCLUDED') || B_PROLOG_INCLUDED !== true)
{
	die();
}
/** @var CBitrixComponent $this */
/** @var array $arParams */
/** @var array $arResult */
/** @var string $componentPath */
/** @var string $componentName */
/** @var string $componentTemplate */
/** @var CDatabase $DB */
/** @var CUser $USER */
/** @var CMain $APPLICATION */

if (!IsModuleInstalled('iblock') || !CModule::IncludeModule('iblock'))
{
	return;
}

//This is communication channel with subscription agent
//In
global $SUBSCRIBE_TEMPLATE_RUBRIC;

//Handle of parameters
$arParams['SITE_ID'] = trim($arParams['SITE_ID']);
if ($arParams['SITE_ID'] === '')
{
	$arParams['SITE_ID'] = $SUBSCRIBE_TEMPLATE_RUBRIC['SITE_ID'];
}

$arParams['IBLOCK_TYPE'] = trim($arParams['IBLOCK_TYPE']);
if ($arParams['IBLOCK_TYPE'] === '')
{
	$arParams['IBLOCK_TYPE'] = 'news';
}

$arParams['ID'] = intval($arParams['ID']);
if ($arParams['ID'] <= 0)
{
	$arParams['ID'] = '';
}

//We have to save current user and create new one
//because of possible agent execution
global $USER;
$SAVED_USER = $USER;
$USER = new CUser;

//Let's be pessimists
$SUBSCRIBE_TEMPLATE_RESULT = 0;

$rsIBlock = CIBlock::GetList(
	[$arParams['SORT_BY'] => $arParams['SORT_ORDER']],
	[
		'ID' => $arParams['ID'],
		'TYPE' => $arParams['IBLOCK_TYPE'],
		'SITE_ID' => $arParams['SITE_ID'],
		'ACTIVE' => 'Y'
	]);

$arOrder = [
	$arParams['SORT_BY'] => $arParams['SORT_ORDER'],
];
$arFilter = [
	'ACTIVE' => 'Y',
	'>DATE_ACTIVE_FROM' => $SUBSCRIBE_TEMPLATE_RUBRIC['START_TIME'],
	'<=DATE_ACTIVE_FROM' => $SUBSCRIBE_TEMPLATE_RUBRIC['END_TIME'],
];
$arSelect = [
	'ID',
	'IBLOCK_ID',
	'DETAIL_PAGE_URL',
	'PREVIEW_PICTURE',
	'DATE_ACTIVE_FROM',
	'NAME',
	'PREVIEW_TEXT',
	'PREVIEW_TEXT_TYPE',

];

$rsSite = CSite::GetByID($arParams['SITE_ID']);
$arSite = $rsSite->Fetch();
$arResult['SERVER_NAME'] = $arSite ? $arSite['SERVER_NAME'] : '';

$arResult['IBLOCKS'] = [];
while ($arIBlock = $rsIBlock->Fetch())
{
	$arResult['IBLOCKS'][$arIBlock['ID']] = $arIBlock;

	$arFilter['IBLOCK_ID'] = $arIBlock['ID'];
	$rsNews = CIBlockElement::GetList($arOrder, $arFilter, false, false, $arSelect);
	$arResult['IBLOCKS'][$arIBlock['ID']]['ITEMS'] = [];
	while ($obNews = $rsNews->GetNextElement())
	{
		$arNews = $obNews->GetFields();

		$arNews['PREVIEW_PICTURE'] = CFile::GetFileArray($arNews['PREVIEW_PICTURE']);
		if (mb_strpos($arNews['DETAIL_PAGE_URL'], 'http') !== 0)
		{
			$arNews['DETAIL_PAGE_URL'] = 'http://' . $arSite['SERVER_NAME'] . $arNews['DETAIL_PAGE_URL'];
		}

		$arResult['IBLOCKS'][$arIBlock['ID']]['ITEMS'][] = $arNews;
		$SUBSCRIBE_TEMPLATE_RESULT++;
	}
}

if ($SUBSCRIBE_TEMPLATE_RESULT)
{
	$this->includeComponentTemplate();
}

//Restore user
$USER = $SAVED_USER;

return $SUBSCRIBE_TEMPLATE_RESULT;