/**
* {@inheritdoc}
*/
public function execute()
{
/** @var \Drupal\core_search_facets\Plugin\CoreSearchFacetSourceInterface $facet_source */
$facet_source = $this->facet->getFacetSource();
$query_info = $facet_source->getQueryInfo($this->facet);
/** @var \Drupal\core_search_facets\FacetsQuery $facet_query */
$facet_query = $facet_source->getFacetQueryExtender();
$tables_joined = [];
// Add the filter to the query if there are active values.
$active_items = $this->facet->getActiveItems();
foreach ($active_items as $item) {
foreach ($query_info['fields'] as $field_info) {
// Adds join to the facet query.
$facet_query->addFacetJoin($query_info, $field_info['table_alias']);
// Adds join to search query, makes sure it is only added once.
if (isset($query_info['joins'][$field_info['table_alias']])) {
if (!isset($tables_joined[$field_info['table_alias']])) {
$tables_joined[$field_info['table_alias']] = TRUE;
$join_info = $query_info['joins'][$field_info['table_alias']];
$this->query->join($join_info['table'], $join_info['alias'], $join_info['condition']);
}
}
// Adds facet conditions to the queries.
$field = $field_info['table_alias'] . '.' . $field_info['field'];
$this->query->condition($field, $item);
$facet_query->condition($field, $item);
}
}
}
/**
* {@inheritdoc}
*/
public function execute()
{
/** @var \Drupal\facets\Utility\FacetsDateHandler $date_handler */
$date_handler = \Drupal::getContainer()->get('facets.utility.date_handler');
/** @var \Drupal\core_search_facets\Plugin\CoreSearchFacetSourceInterface $facet_source */
$facet_source = $this->facet->getFacetSource();
// Gets the last active date, bails if there isn't one.
$active_items = $this->facet->getActiveItems();
if (!($active_item = end($active_items))) {
return;
}
// Gets facet query and this facet's query info.
/** @var \Drupal\core_search_facets\FacetsQuery $facet_query */
$facet_query = $facet_source->getFacetQueryExtender();
$query_info = $facet_source->getQueryInfo($this->facet);
$tables_joined = [];
$active_item = $date_handler->extractActiveItems($active_item);
foreach ($query_info['fields'] as $field_info) {
// Adds join to the facet query.
$facet_query->addFacetJoin($query_info, $field_info['table_alias']);
// Adds join to search query, makes sure it is only added once.
if (isset($query_info['joins'][$field_info['table_alias']])) {
if (!isset($tables_joined[$field_info['table_alias']])) {
$tables_joined[$field_info['table_alias']] = TRUE;
$join_info = $query_info['joins'][$field_info['table_alias']];
$this->query->join($join_info['table'], $join_info['alias'], $join_info['condition']);
}
}
// Adds field conditions to the facet and search query.
$field = $field_info['table_alias'] . '.' . $field_info['field'];
$this->query->condition($field, $active_item['start']['timestamp'], '>=');
$this->query->condition($field, $active_item['end']['timestamp'], '<');
$facet_query->condition($field, $active_item['start']['timestamp'], '>=');
$facet_query->condition($field, $active_item['end']['timestamp'], '<');
}
}
/**
* Alter a search query before it gets executed.
*
* The hook is invoked after all enabled processors have preprocessed the query.
*
* @param \Drupal\search_api\Query\QueryInterface $query
* The query that will be executed.
*/
function hook_search_api_query_alter(\Drupal\search_api\Query\QueryInterface &$query) {
// Exclude entities with ID 0. (Assume the ID field is always indexed.)
$types = $query->getIndex()->getDatasourceIds();
foreach ($types as $type) {
if (strpos($type, ':')) {
list(, $type) = explode(':', $type);
}
$definition = \Drupal::entityManager()->getDefinition($type, FALSE);
if ($definition) {
$keys = $definition->getKeys();
$query->condition($keys['id'], 0, '<>');
}
}
}
/**
* Adds a node access filter to a search query, if applicable.
*
* @param \Drupal\search_api\Query\QueryInterface $query
* The query to which a node access filter should be added, if applicable.
* @param \Drupal\Core\Session\AccountInterface $account
* The user for whom the search is executed.
*
* @throws \Drupal\search_api\SearchApiException
* Thrown if not all necessary fields are indexed on the index.
*/
protected function addNodeAccess(QueryInterface $query, AccountInterface $account)
{
// Don't do anything if the user can access all content.
if ($account->hasPermission('bypass node access')) {
return;
}
// Gather the affected datasources, grouped by entity type, as well as the
// unaffected ones.
$affected_datasources = array();
$unaffected_datasources = array();
foreach ($this->index->getDatasources() as $datasource_id => $datasource) {
$entity_type = $datasource->getEntityTypeId();
if (in_array($entity_type, array('node', 'comment'))) {
$affected_datasources[$entity_type][] = $datasource_id;
} else {
$unaffected_datasources[] = $datasource_id;
}
}
// The filter structure we want looks like this:
// [belongs to other datasource]
// OR
// (
// [is enabled (or was created by the user, if applicable)]
// AND
// [grants view access to one of the user's gid/realm combinations]
// )
// If there are no "other" datasources, we don't need the nested OR,
// however, and can add the "ADD"
// @todo Add a filter tag, once they are implemented.
if ($unaffected_datasources) {
$outer_filter = $query->createFilter('OR');
$query->filter($outer_filter);
foreach ($unaffected_datasources as $datasource_id) {
$outer_filter->condition('search_api_datasource', $datasource_id);
}
$access_filter = $query->createFilter('AND');
$outer_filter->filter($access_filter);
} else {
$access_filter = $query;
}
if (!$account->hasPermission('access content')) {
unset($affected_datasources['node']);
}
if (!$account->hasPermission('access comments')) {
unset($affected_datasources['comment']);
}
// If the user does not have the permission to see any content at all, deny
// access to all items from affected datasources.
if (!$affected_datasources) {
// If there were "other" datasources, the existing filter will already
// remove all results of node or comment datasources. Otherwise, we should
// not return any results at all.
if (!$unaffected_datasources) {
// @todo More elegant way to return no results?
$query->condition('search_api_language', '');
}
return;
}
// Collect all the required fields that need to be part of the index.
$unpublished_own = $account->hasPermission('view own unpublished content');
$enabled_filter = $query->createFilter('OR');
foreach ($affected_datasources as $entity_type => $datasources) {
$published = $entity_type == 'node' ? NODE_PUBLISHED : Comment::PUBLISHED;
foreach ($datasources as $datasource_id) {
// If this is a comment datasource, or users cannot view their own
// unpublished nodes, a simple filter on "status" is enough. Otherwise,
// it's a bit more complicated.
$status_field = Utility::createCombinedId($datasource_id, 'status');
$enabled_filter->condition($status_field, $published);
if ($entity_type == 'node' && $unpublished_own) {
$author_field = Utility::createCombinedId($datasource_id, 'uid');
$enabled_filter->condition($author_field, $account->id());
}
}
}
$access_filter->filter($enabled_filter);
// Filter by the user's node access grants.
$grants_filter = $query->createFilter('OR');
$grants = node_access_grants('view', $account);
foreach ($grants as $realm => $gids) {
foreach ($gids as $gid) {
$grants_filter->condition('search_api_node_grants', "node_access_{$realm}:{$gid}");
}
}
// Also add items that are accessible for everyone by checking the "access
// all" pseudo grant.
$grants_filter->condition('search_api_node_grants', 'node_access__all');
$access_filter->filter($grants_filter);
}