/**
* Flesh out the request with database information from KB
*
* @throws \Exception
*/
protected function fillDatabaseInfo(Query $query)
{
// databases or subject chosen
$databases = $query->getDatabases();
$subject = $query->getSubject();
$user = $query->getUser();
// make sure we have a scope, either databases or subject
if (count($databases) == 0 && $subject == null) {
throw new \Exception("No databases or subject supplied");
}
$knowledgebase = new KnowledgeBase();
// metalib kb
### populate the database information from KB
// databases specifically supplied
if (count($databases) > 0) {
$databases = $knowledgebase->getDatabases($databases);
foreach ($databases as $database_object) {
$this->addDatabase($database_object, $user);
}
} elseif ($subject != null) {
$search_limit = $this->config()->getConfig("SEARCH_LIMIT", true);
$subject_object = $knowledgebase->getSubject($subject);
// did we find a subject that has subcategories?
if ($subject_object != null && $subject_object->subcategories != null && count($subject_object->subcategories) > 0) {
$subs = $subject_object->subcategories;
$subcategory = $subs[0];
$index = 0;
// get databases up to search limit from first subcategory
foreach ($subcategory->databases as $database_object) {
if ($database_object->searchable == 1) {
$this->addDatabase($database_object, $user);
$index++;
}
if ($index >= $search_limit) {
break;
}
}
}
}
}
