/**
* @param QueryBuilder $qb
* @return integer|null
* @throws \Exception
*/
private function applyFilterAndCount(QueryBuilder $qb)
{
if (null === $this->request->getSearchValue() && !$this->table->getHasColumnFilter()) {
return null;
}
$filter = [];
foreach ($this->table->getColumns() as $column) {
if ($column instanceof EntitiesCountColumn || true === $column->getOptions()['unbound']) {
continue;
}
$field = $this->getPrefixedField($column);
if (false !== $column->getOptions()['filter'] || true === $column->getOptions()['filter_empty']) {
$value = $this->request->getSearchValue($column->getName());
$empty = null;
if (true === $column->getOptions()['filter_empty']) {
$empty = $this->extractEmptyFilterFromValue($value);
}
if (null !== $value || null !== $empty) {
$this->applyColumnFilter($column, $value, $qb, $field, $empty);
continue;
}
}
$filter[] = $field;
}
if (null !== $this->request->getSearchValue()) {
$where = '(' . join(' like :filter OR ', $filter) . ' like :filter)';
$qb->andWhere($where);
$qb->setParameter('filter', '%' . $this->request->getSearchValue() . '%');
}
return $qb->getQuery()->getSingleScalarResult();
}