/**
* Computes the search constraint and returns it.
*
* @param Query $query
* @param Matcher $matcher
* @return ConstraintInterface|NULL
*/
protected function computeSearchTermConstraint(Query $query, Matcher $matcher)
{
$result = NULL;
// Search term case
if ($matcher->getSearchTerm()) {
$fields = GeneralUtility::trimExplode(',', Tca::table($this->dataType)->getSearchFields(), TRUE);
$constraints = array();
$likeClause = sprintf('%%%s%%', $matcher->getSearchTerm());
foreach ($fields as $fieldNameAndPath) {
if ($this->isSuitableForLike($fieldNameAndPath, $matcher->getSearchTerm())) {
$dataType = $this->getFieldPathResolver()->getDataType($fieldNameAndPath, $this->dataType);
$fieldName = $this->getFieldPathResolver()->stripFieldPath($fieldNameAndPath, $this->dataType);
if (Tca::table($dataType)->hasField($fieldName) && Tca::table($dataType)->field($fieldName)->hasRelation()) {
$foreignTable = Tca::table($dataType)->field($fieldName)->getForeignTable();
$fieldNameAndPath = $fieldNameAndPath . '.' . Tca::table($foreignTable)->getLabelField();
}
$constraints[] = $query->like($fieldNameAndPath, $likeClause);
}
}
$logical = $matcher->getLogicalSeparatorForSearchTerm();
$result = $query->{$logical}($constraints);
}
return $result;
}
