Current File : //home/bitrix/www/bitrix/modules/iblock/lib/propertyindex/dictionary.php
<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage iblock
*/
namespace Bitrix\Iblock\PropertyIndex;
class Dictionary
{
protected $iblockId = 0;
protected $cache = array();
protected static $exists = array();
/**
* @param integer $iblockId Information block identifier.
*/
public function __construct($iblockId)
{
$this->iblockId = intval($iblockId);
}
/**
* Returns information block identifier.
*
* @return integer
*/
public function getIblockId()
{
return $this->iblockId;
}
/**
* Internal method to get database table name for storing values.
*
* @return string
*/
public function getTableName()
{
return "b_iblock_".$this->iblockId."_index_val";
}
/**
* Checks if dictionary exists in the database.
* Returns true on success.
*
* @return boolean
*/
public function isExists()
{
if (!isset(self::$exists[$this->iblockId]))
{
$connection = \Bitrix\Main\Application::getConnection();
self::$exists[$this->iblockId] = $connection->isTableExists($this->getTableName());
}
return self::$exists[$this->iblockId];
}
/**
* Returns validators for VALUE field.
* This is an internal method for eAccelerator compatibility.
*
* @return array[]\Bitrix\Main\Entity\Validator\Base
*/
public static function validateValue()
{
return array(
new \Bitrix\Main\Entity\Validator\Length(null, 2000),
);
}
/**
* Creates new dictionary for information block.
* You have to be sure that dictionary does not exists.
*
* @return void
*/
public function create()
{
$connection = \Bitrix\Main\Application::getConnection();
$connection->createTable($this->getTableName(), array(
"ID" => new \Bitrix\Main\Entity\IntegerField("ID", array(
'primary' => true,
'unique' => true,
'required' => true,
)),
"VALUE" => new \Bitrix\Main\Entity\StringField("VALUE", array(
'required' => true,
'validation' => array(__CLASS__, 'validateValue'),
)),
), array("ID"), array("ID"));
$connection->createIndex($this->getTableName(), 'IX_'.$this->getTableName().'_0', array("VALUE"), array("VALUE" => 200));
$this->cache = array();
self::$exists[$this->iblockId] = true;
}
/**
* Deletes existing dictionary in the database.
* You have to check that dictionary exists before calling this method.
*
* @return void
*/
public function drop()
{
$connection = \Bitrix\Main\Application::getConnection();
$connection->dropTable($this->getTableName());
$this->cache = array();
self::$exists[$this->iblockId] = false;
}
/**
* Returns unique number presentation of the string.
*
* @param string $value Value for dictionary lookup.
* @param boolean $addWhenNotFound Add new value to the dictionary if none found.
*
* @return int
*/
public function getStringId($value, $addWhenNotFound = true)
{
if (!isset($this->cache[$value]))
{
$connection = \Bitrix\Main\Application::getConnection();
$sqlHelper = $connection->getSqlHelper();
$valueId = $connection->queryScalar("SELECT ID FROM ".$this->getTableName()." WHERE VALUE = '".$sqlHelper->forSql($value)."'");
if ($valueId === null)
{
if ($addWhenNotFound)
{
$valueId = $connection->add($this->getTableName(), array(
"VALUE" => $value,
));
}
else
{
$valueId = 0;
}
}
$this->cache[$value] = intval($valueId);
}
return $this->cache[$value];
}
/**
* Returns string by its identifier in the dictionary.
*
* @param integer $valueId Value identifier for dictionary lookup.
*
* @return string
*/
public function getStringById($valueId)
{
$valueId = (int)$valueId;
if ($valueId <= 0)
return "";
$connection = \Bitrix\Main\Application::getConnection();
$stringValue = $connection->queryScalar("SELECT VALUE FROM ".$this->getTableName()." WHERE ID = ".$valueId);
return ($stringValue === null ? "" : $stringValue);
}
/**
* Returns array of string by its identifier in the dictionary.
*
* @param array $valueIDs Value identifier for dictionary lookup.
*
* @return array
*/
public function getStringByIds($valueIDs)
{
$result = [];
if (empty($valueIDs) || !is_array($valueIDs))
return $result;
\Bitrix\Main\Type\Collection::normalizeArrayValuesByInt($valueIDs, true);
if (empty($valueIDs))
return $result;
$connection = \Bitrix\Main\Application::getConnection();
$result = array_fill_keys($valueIDs, '');
$rs = $connection->query("SELECT ID, VALUE FROM ".$this->getTableName()." WHERE ID IN(".implode(',',$valueIDs).")");
while ($row = $rs->fetch())
{
$result[$row['ID']] = $row['VALUE'];
}
return $result;
}
}
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