/**
* Generates the list of indexes to process for the dirty items
*
* @return array
*/
protected function prepareIndexes()
{
$originalState = SearchVariant::current_state();
$dirtyIndexes = array();
$dirty = $this->getSource();
$indexes = FullTextSearch::get_indexes();
foreach ($dirty as $base => $statefulids) {
if (!$statefulids) {
continue;
}
foreach ($statefulids as $statefulid) {
$state = $statefulid['state'];
$ids = $statefulid['ids'];
SearchVariant::activate_state($state);
// Ensure that indexes for all new / updated objects are included
$objs = DataObject::get($base)->byIDs(array_keys($ids));
foreach ($objs as $obj) {
foreach ($ids[$obj->ID] as $index) {
if (!$indexes[$index]->variantStateExcluded($state)) {
$indexes[$index]->add($obj);
$dirtyIndexes[$index] = $indexes[$index];
}
}
unset($ids[$obj->ID]);
}
// Generate list of records that do not exist and should be removed
foreach ($ids as $id => $fromindexes) {
foreach ($fromindexes as $index) {
if (!$indexes[$index]->variantStateExcluded($state)) {
$indexes[$index]->delete($base, $id, $state);
$dirtyIndexes[$index] = $indexes[$index];
}
}
}
}
}
SearchVariant::activate_state($originalState);
return $dirtyIndexes;
}
/**
* Send updates to the current search processor for execution
*
* @param array $writes
*/
public static function process_writes($writes)
{
foreach ($writes as $write) {
// For every index
foreach (FullTextSearch::get_indexes() as $index => $instance) {
// If that index as a field from this class
if (SearchIntrospection::is_subclass_of($write['class'], $instance->dependancyList)) {
// Get the dirty IDs
$dirtyids = $instance->getDirtyIDs($write['class'], $write['id'], $write['statefulids'], $write['fields']);
// Then add then then to the global list to deal with later
foreach ($dirtyids as $dirtyclass => $ids) {
if ($ids) {
if (!self::$processor) {
self::$processor = Injector::inst()->create('SearchUpdateProcessor');
}
self::$processor->addDirtyIDs($dirtyclass, $ids, $index);
}
}
}
}
}
// If we do have some work to do register the shutdown function to actually do the work
// Don't do it if we're testing - there's no database connection outside the test methods, so we'd
// just get errors
$runningTests = class_exists('SapphireTest', false) && SapphireTest::is_running_test();
if (self::$processor && !self::$registered && !$runningTests) {
register_shutdown_function(array("SearchUpdater", "flush_dirty_indexes"));
self::$registered = true;
}
}
/**
* Get the list of index names we should process
*
* @return array
*/
public function getAllIndexes()
{
if (empty($this->indexes)) {
$indexes = FullTextSearch::get_indexes();
$this->indexes = array_keys($indexes);
}
return $this->indexes;
}
static function get_indexes()
{
return FullTextSearch::get_indexes('SolrIndex');
}
