/**
* Determines the type of which filter class to instantiate, based on
* the structured array received and the given entity class.
*
* @param FilterOptions $filterOptions
* @param string $entity
*
* @return null|FilterInterface
*/
public function guessFilterTypeFromArray($filterOptions, $entity)
{
$filterType = null;
/* in case the attribute to filter by is situated in another entity,
parse the connected entities until you reach its entity */
if ($path = $filterOptions->getPathArray()) {
while ($path) {
$entity = $this->em->getClassMetadata($entity)->getAssociationMapping(array_shift($path))['targetEntity'];
}
}
if ($filter = $this->filterFieldReader->getFilter($entity, $attribute = $filterOptions->getName())) {
/* get the type of the attribute that corresponds to the filter */
$attributeType = isset($filter[$attribute]['options']['type']) ? $filter[$attribute]['options']['type'] : $this->em->getClassMetadata($entity)->getTypeOfField($filter[$attribute]['property']);
$filterOptions->setAttribute($filter[$attribute]['property']);
if (sizeof($filterOptions->getValues()) == 1) {
switch ($attributeType) {
case 'integer':
$filterType = FilterInterface::NUMERIC_FILTER;
break;
case 'text':
case 'string':
$filterType = FilterInterface::STRING_FILTER;
break;
case 'date':
$filterType = FilterInterface::DATE_FILTER;
break;
case 'checker':
$filterType = FilterInterface::CHECK_FILTER;
break;
}
} else {
switch ($attributeType) {
case 'integer':
$filterType = FilterInterface::NUMERIC_INTERVAL_FILTER;
break;
case 'date':
$filterType = FilterInterface::DATE_INTERVAL_FILTER;
break;
case 'string':
$filterType = FilterInterface::OR_STRING_FILTER;
break;
case 'date_check':
$filterType = FilterInterface::DATE_CHECK_FILTER;
break;
}
}
}
return $filterType;
}
