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CriteriaPlaceholdersResolver.php
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CriteriaPlaceholdersResolver.php
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<?php
namespace Oro\Bundle\ApiBundle\Util;
use Oro\Bundle\ApiBundle\Collection\Criteria;
class CriteriaPlaceholdersResolver
{
use NormalizeFieldTrait;
/**
* @param Criteria $criteria
* @param string $rootAlias
*/
public function resolvePlaceholders(Criteria $criteria, $rootAlias)
{
$placeholders = $this->getPlaceholders($criteria, $rootAlias);
$this->processJoins($criteria, $placeholders);
$this->processWhere($criteria, $placeholders);
$this->processOrderBy($criteria, $placeholders);
}
/**
* @param Criteria $criteria
* @param string $rootAlias
*
* @return array
*/
protected function getPlaceholders(Criteria $criteria, $rootAlias)
{
$placeholders = [Criteria::ROOT_ALIAS_PLACEHOLDER => $rootAlias];
$joins = $criteria->getJoins();
foreach ($joins as $path => $join) {
$placeholders[sprintf(Criteria::PLACEHOLDER_TEMPLATE, $path)] = $join->getAlias();
}
return $placeholders;
}
/**
* @param Criteria $criteria
* @param array $placeholders
*/
protected function processJoins(Criteria $criteria, array $placeholders)
{
$joins = $criteria->getJoins();
foreach ($joins as $join) {
$alias = $join->getAlias();
$joinPlaceholders = array_merge($placeholders, [Criteria::ENTITY_ALIAS_PLACEHOLDER => $alias]);
$join->setJoin(strtr($join->getJoin(), $joinPlaceholders));
$condition = $join->getCondition();
if ($condition) {
$join->setCondition(strtr($condition, $joinPlaceholders));
}
}
}
/**
* @param Criteria $criteria
* @param array $placeholders
*/
protected function processWhere(Criteria $criteria, array $placeholders)
{
$whereExpr = $criteria->getWhereExpression();
if ($whereExpr) {
$visitor = new NormalizeExpressionVisitor($placeholders);
$criteria->where($visitor->dispatch($whereExpr));
}
}
/**
* @param Criteria $criteria
* @param array $placeholders
*/
protected function processOrderBy(Criteria $criteria, array $placeholders)
{
$orderBy = $criteria->getOrderings();
if (!empty($orderBy)) {
$normalizedOrderBy = [];
foreach ($orderBy as $field => $direction) {
$field = $this->normalizeField($field, $placeholders);
$normalizedOrderBy[$field] = $direction;
}
$criteria->orderBy($normalizedOrderBy);
}
}
}