/**
* Add the additional query conditions returned by the QueryRestrictionBuilder
* to the current query and return the original set of conditions so that they
* can be restored after the query has been built/executed.
*
* @return \Doctrine\DBAL\Query\Expression\CompositeExpression|mixed
*/
protected function addAdditionalWhereConditions()
{
$originalWhereConditions = $this->concreteQueryBuilder->getQueryPart('where');
$expression = $this->restrictionContainer->buildExpression($this->getQueriedTables(), $this->expr());
// This check would be obsolete, as the composite expression would not add empty expressions anyway
// But we keep it here to only clone the previous state, in case we really will change it.
// Once we remove this state preserving functionality, we can remove the count check here
// and just add the expression to the query builder.
if ($expression->count() > 0) {
if ($originalWhereConditions instanceof CompositeExpression) {
// Save the original query conditions so we can restore
// them after the query has been built.
$originalWhereConditions = clone $originalWhereConditions;
}
$this->concreteQueryBuilder->andWhere($expression);
}
// @todo add hook to be able to add additional restrictions
return $originalWhereConditions;
}
/**
* Add delete restriction if not disabled
*
* @param QueryRestrictionContainerInterface $restrictions
* @return void
*/
protected function addDeleteRestriction(QueryRestrictionContainerInterface $restrictions)
{
if (!$this->disableDeleteClause) {
$restrictions->add(GeneralUtility::makeInstance(DeletedRestriction::class));
}
}
