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<?php
/**
* Copyright 2023 Adobe
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe and its suppliers, if any. The intellectual
* and technical concepts contained herein are proprietary to Adobe
* and its suppliers and are protected by all applicable intellectual
* property laws, including trade secret and copyright laws.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe.
*/
namespace Magento\QueryXml\Model\DB;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\DB\Sql\Expression;
use Magento\Framework\EntityManager\MetadataPool;
/**
* Mapper for WHERE conditions
*/
class ConditionResolver
{
private const LINK_FIELD_PATTERN = '/^([\w\\\]+):LinkField$/';
/**
* @var array
*/
private $conditionMap = [
'eq' => '%1$s = %2$s',
'neq' => '%1$s != %2$s',
'like' => '%1$s LIKE %2$s',
'nlike' => '%1$s NOT LIKE %2$s',
'in' => '%1$s IN(%2$s)',
'nin' => '%1$s NOT IN(%2$s)',
'notnull' => '%1$s IS NOT NULL',
'null' => '%1$s IS NULL',
'gt' => '%1$s > %2$s',
'lt' => '%1$s < %2$s',
'gteq' => '%1$s >= %2$s',
'lteq' => '%1$s <= %2$s',
'finset' => 'FIND_IN_SET(%2$s, %1$s)'
];
/**
* @var \Magento\Framework\DB\Adapter\AdapterInterface
*/
private $connection;
/**
* @var ResourceConnection
*/
private $resourceConnection;
private MetadataPool $metadataPool;
/**
* ConditionResolver constructor.
*
* @param ResourceConnection $resourceConnection
* @param MetadataPool $metadataPool
*/
public function __construct(
ResourceConnection $resourceConnection,
MetadataPool $metadataPool
) {
$this->resourceConnection = $resourceConnection;
$this->metadataPool = $metadataPool;
}
/**
* Returns connection
*
* @return \Magento\Framework\DB\Adapter\AdapterInterface
*/
private function getConnection()
{
if (!$this->connection) {
$this->connection = $this->resourceConnection->getConnection();
}
return $this->connection;
}
/**
* Returns value for condition
*
* @param SelectBuilder $selectBuilder
* @param string $condition
* @param string $referencedEntity
* @return mixed|null|string|\Zend_Db_Expr
*/
private function getValue(SelectBuilder $selectBuilder, $condition, $referencedEntity)
{
$value = null;
$argument = isset($condition['_value']) ? $condition['_value'] : null;
if (!isset($condition['type'])) {
$condition['type'] = 'value';
}
switch ($condition['type']) {
case "value":
$value = $this->getConnection()->quote($argument);
break;
case "variable":
$value = new Expression($argument);
break;
case "placeholder":
$value = '::'. $argument . '::';
break;
case "identifier":
$identifier = explode('.', $argument);
if (count($identifier) > 1) {
$value = $this->getConnection()->quoteIdentifier(
$identifier[0] . '.' . $this->resolveIdentifier(
$selectBuilder,
$identifier[1],
$identifier[0]
)
);
} else {
$value = $this->getConnection()->quoteIdentifier(
$referencedEntity ? $referencedEntity . '.' . $argument : $argument
);
}
break;
}
return $value;
}
/**
* @param SelectBuilder $selectBuilder
* @param string $identifier
* @param string $tableName
* @return string
* @throws \Exception
*/
private function resolveIdentifier(
SelectBuilder $selectBuilder,
string $identifier,
string $tableName
) {
$queryConfig = $selectBuilder->getQueryConfig();
$tableName = isset($queryConfig['map'][$tableName])
? $this->resourceConnection->getTableName($queryConfig['map'][$tableName])
: $tableName;
if (preg_match(self::LINK_FIELD_PATTERN, $identifier, $matches)) {
$classPath = $matches[1];
$metadata = $this->metadataPool->getMetadata($classPath);
$identifier = $metadata->getLinkField();
}
return ($identifier !== 'Primary Key') ? $identifier : $this->getConnection()->getAutoIncrementField(
$tableName
);
}
/**
* Returns condition for WHERE
*
* @param SelectBuilder $selectBuilder
* @param string $tableName
* @param array $condition
* @param null|string $referencedEntity
* @return string
*/
private function getCondition(
SelectBuilder $selectBuilder,
string $tableAlias,
$condition,
$referencedEntity = null
) {
$columns = $selectBuilder->getColumns();
if (isset($columns[$condition['attribute']])
&& $columns[$condition['attribute']] instanceof Expression
) {
$expression = $columns[$condition['attribute']];
} else {
$field = $this->resolveIdentifier($selectBuilder, $condition['attribute'], $tableAlias);
$expression = $this->getConnection()->quoteIdentifier($tableAlias . '.' . $field);
}
return sprintf(
$this->conditionMap[$condition['operator']],
$expression,
$this->getValue($selectBuilder, $condition, $referencedEntity)
);
}
/**
* Build WHERE condition
*
* @param SelectBuilder $selectBuilder
* @param array $filterConfig
* @param string $aliasName
* @param null|string $referencedAlias
* @return array
*/
public function getFilter(
SelectBuilder $selectBuilder,
array $filterConfig,
string $tableAlias,
$referencedAlias = null
) {
$filtersParts = [];
foreach ($filterConfig as $filter) {
$glue = $filter['glue'];
$parts = [];
foreach ($filter['condition'] as $condition) {
if (isset($condition['type']) && $condition['type'] == 'variable') {
$selectBuilder->setParams(array_merge($selectBuilder->getParams(), [$condition['_value']]));
}
$parts[] = $this->getCondition(
$selectBuilder,
$tableAlias,
$condition,
$referencedAlias
);
}
if (isset($filter['filter'])) {
$parts[] = '(' . $this->getFilter(
$selectBuilder,
$filter['filter'],
$tableAlias,
$referencedAlias
) . ')';
}
$filtersParts[] = '(' . implode(' ' . strtoupper($glue) . ' ', $parts) . ')';
}
return implode(' OR ', $filtersParts);
}
}