private function buildHighlightRules(QueryContext $context)
{
$highlighted_fields = [];
foreach ($context->getHighlightedFields() as $field) {
switch ($field->getType()) {
case Mapping::TYPE_STRING:
$index_field = $field->getIndexField();
$raw_index_field = $field->getIndexField(true);
$highlighted_fields[$index_field] = ['matched_fields' => [$index_field, $raw_index_field], 'type' => 'fvh'];
break;
case Mapping::TYPE_FLOAT:
case Mapping::TYPE_DOUBLE:
case Mapping::TYPE_INTEGER:
case Mapping::TYPE_LONG:
case Mapping::TYPE_SHORT:
case Mapping::TYPE_BYTE:
continue;
case Mapping::TYPE_DATE:
default:
continue;
}
}
return ['pre_tags' => ['[[em]]'], 'post_tags' => ['[[/em]]'], 'order' => 'score', 'fields' => $highlighted_fields];
}
