Current File : //home/bitrix/www/bitrix/modules/sale/lib/tradingplatform/vk/feed/data/sources/section.php
<?php
namespace Bitrix\Sale\TradingPlatform\Vk\Feed\Data\Sources;
use Bitrix\Main\Loader;
use Bitrix\Main\SystemException;
use Bitrix\Main\ArgumentNullException;
use Bitrix\Sale\TradingPlatform\Vk;
/**
* Class Section
* Complex iterator for processing albums from several iblocks
*
* @package Bitrix\Sale\TradingPlatform\Vk\Feed\Data\Sources
*/
class Section extends DataSource implements \Iterator
{
protected $sections;
protected $resSections;
protected $currentKey = 0;
protected $currentRecord = array();
protected $vk;
protected $exportId;
protected $sectionsToExport;
protected $sectionsAliases;
protected $startPosition = 0;
/**
* Section constructor.
* @param $exportId
* @param $startPosition
*/
public function __construct($exportId, $startPosition)
{
$this->vk = Vk\Vk::getInstance();
if (!$this->vk->isActive())
throw new SystemException("Vk is not active!" . __METHOD__);
if (!isset($exportId) || strlen($exportId) <= 0)
throw new ArgumentNullException("EXPORT_ID");
if (!Loader::includeModule('iblock'))
throw new SystemException("Can't include module \"IBlock\"! " . __METHOD__);
$this->exportId = $exportId;
// get list of sections to export IDs
$sectionsList = new Vk\SectionsList($this->exportId);
$preparedSections = $sectionsList->getSectionsToAlbumsExport();
$this->sectionsToExport = $preparedSections["SECTIONS"];
$this->sectionsAliases = $preparedSections["ALIASES"];
unset($preparedSections);
// CHECK is empty list
if (empty($this->sectionsToExport))
{
$logger = new Vk\Logger($this->exportId);
$logger->addError('EMPTY_SECTIONS_LIST');
}
$this->setStartPosition($startPosition);
}
/**
* Create object for get values. Later we well Fetch them
*
* @return array|bool|\CDBResult|\CIBlockResult
*/
private function createSectionsDbObject()
{
return \CIBlockSection::GetList(
array("ID" => "ASC"),
array("ID" => $this->sectionsToExport, "ACTIVE" => "Y", "GLOBAL_ACTIVE" => "Y", "CHECK_PERMISSIONS" => "N"),
true,
array("ID", "IBLOCK_ID", "IBLOCK_SECTION_ID", "NAME", "PICTURE", "DETAIL_PICTURE", "LEFT_MARGIN", "RIGHT_MARGIN", "DESCRIPTION"),
false
);
}
/**
* More simply setStartPosition for albums
*
* @param string $startPosition - number of start position
*/
protected function setStartPosition($startPosition)
{
if ($startPosition && $startPosition > 0)
{
$this->startPosition = intval($startPosition);
// we can use two condition in filter on ID: in array and >=startPostion.
// therefore prepare array of sections to export like a >=
foreach ($this->sectionsToExport as $key => $section)
{
if ($key < $startPosition)
unset($this->sectionsToExport[$key]);
}
}
}
/**
* Owerwrite ITERATOR method
* @return array
*/
public function current()
{
return $this->currentRecord;
}
/**
* Owerwrite ITERATOR method
* @return int
*/
public function key()
{
return $this->currentKey;
}
/**
* Owerwrite ITERATOR method
*/
public function next()
{
$this->currentKey++;
$this->currentRecord = $this->nextItem();
}
/**
* Fetch once next item from bd object
*
* @return null
*/
private function nextItem()
{
$currItem = NULL;
// only if album exist and not empty
if ($obCurrItem = $this->resSections->GetNextElement(true, false))
{
$currItem = $obCurrItem->GetFields();
if ($currItem["ELEMENT_CNT"] > 0)
// put album alias from map. Better do it here and not getting map (only for it value) in converter
$currItem["TO_ALBUM_ALIAS"] = isset($this->sectionsAliases[$currItem["ID"]]) ?
$this->sectionsAliases[$currItem["ID"]] : false;
}
return $currItem;
}
/**
* Owerwrite ITERATOR method
*/
public function rewind()
{
$this->currentKey = 0;
$this->resSections = $this->createSectionsDbObject();
$this->currentRecord = $this->nextItem();
}
/**
* Owerwrite ITERATOR method
* @return bool
*/
public function valid()
{
return is_array($this->currentRecord);
}
}
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