/**
* Check subrequests for acl access level
*
* @param SelectStatement $ast
* @param AclConditionStorage $storage
* @param $permission
*/
protected function processSubselects(SelectStatement $ast, AclConditionStorage $storage, $permission)
{
$conditionalExpression = $ast->whereClause->conditionalExpression;
if (isset($conditionalExpression->conditionalPrimary)) {
$conditionalExpression = $conditionalExpression->conditionalPrimary;
}
if ($conditionalExpression instanceof ConditionalPrimary) {
// we have request with only one where condition
$expression = $conditionalExpression->simpleConditionalExpression;
if (isset($expression->subselect) && $expression->subselect instanceof Subselect) {
$subRequestAclStorage = $this->processSubselect($expression->subselect, $permission);
if (!$subRequestAclStorage->isEmpty()) {
$subRequestAclStorage->setFactorId(0);
$storage->addSubRequests($subRequestAclStorage);
}
}
} else {
// we have request with only many where conditions
$subQueryAcl = [];
if (isset($conditionalExpression->conditionalFactors)) {
$factors = $conditionalExpression->conditionalFactors;
} else {
$factors = $conditionalExpression->conditionalTerms;
}
foreach ($factors as $factorId => $expression) {
if (isset($expression->simpleConditionalExpression->subselect) && $expression->simpleConditionalExpression->subselect instanceof Subselect) {
$subRequestAclStorage = $this->processSubselect($expression->simpleConditionalExpression->subselect, $permission);
if (!$subRequestAclStorage->isEmpty()) {
$subRequestAclStorage->setFactorId($factorId);
$subQueryAcl[] = $subRequestAclStorage;
}
}
}
if (!empty($subQueryAcl)) {
$storage->setSubRequests($subQueryAcl);
}
}
}
