diff options
Diffstat (limited to 'mod/search/search_hooks.php')
| -rw-r--r-- | mod/search/search_hooks.php | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/mod/search/search_hooks.php b/mod/search/search_hooks.php new file mode 100644 index 000000000..f673b7512 --- /dev/null +++ b/mod/search/search_hooks.php @@ -0,0 +1,207 @@ +<?php +/** + * Elgg core search. + * + * @package Elgg + * @subpackage Core + * @author Curverider Ltd <info@elgg.com>, The MITRE Corporation <http://www.mitre.org> + * @link http://elgg.org/ + */ + +/** + * Return default results for searches on objects. + * + * @param unknown_type $hook + * @param unknown_type $type + * @param unknown_type $value + * @param unknown_type $params + * @return unknown_type + */ +function search_objects_hook($hook, $type, $value, $params) { + global $CONFIG; + + $join = "JOIN {$CONFIG->dbprefix}objects_entity oe ON e.guid = oe.guid"; + $params['joins'] = array($join); + $fields = array('title', 'description'); + + $where = search_get_where_sql('oe', $fields, $params); + + $params['wheres'] = array($where); + + //@todo allow sorting by recent time + $params['order_by'] = NULL; + + $entities = elgg_get_entities($params); + $params['count'] = TRUE; + $count = elgg_get_entities($params); + + // no need to continue if nothing here. + if (!$count) { + return array('entities' => array(), 'count' => $count); + } + + // add the volatile data for why these entities have been returned. + foreach ($entities as $entity) { + //$title = search_get_highlighted_relevant_substrings($entity->title, $params['query']); + $title = search_get_relevant_substring($entity->title, $params['query'], '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_title', $title); + + $desc = search_get_relevant_substring($entity->description, $params['query'], '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_description', $desc); + } + + return array( + 'entities' => $entities, + 'count' => $count, + ); +} + +/** + * Return default results for searches on groups. + * + * @param unknown_type $hook + * @param unknown_type $type + * @param unknown_type $value + * @param unknown_type $params + * @return unknown_type + */ +function search_groups_hook($hook, $type, $value, $params) { + global $CONFIG; + + $query = $params['query']; + + $join = "JOIN {$CONFIG->dbprefix}groups_entity ge ON e.guid = ge.guid"; + $params['joins'] = array($join); + $fields = array('name', 'description'); + + $where = search_get_where_sql('ge', $fields, $params); + + $params['wheres'] = array($where); + + //@todo allow sorting by recent time + $params['order_by'] = NULL; + + $entities = elgg_get_entities($params); + $params['count'] = TRUE; + $count = elgg_get_entities($params); + + // no need to continue if nothing here. + if (!$count) { + return array('entities' => array(), 'count' => $count); + } + + // add the volatile data for why these entities have been returned. + foreach ($entities as $entity) { + $description = search_get_relevant_substring($entity->description, $query, '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_title', $description); + + $name = search_get_relevant_substring($entity->name, $query, '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_description', $name); + } + + return array( + 'entities' => $entities, + 'count' => $count, + ); +} + +/** + * Return default results for searches on users. + * + * @param unknown_type $hook + * @param unknown_type $type + * @param unknown_type $value + * @param unknown_type $params + * @return unknown_type + */ +function search_users_hook($hook, $type, $value, $params) { + global $CONFIG; + + $query = $params['query']; + + $join = "JOIN {$CONFIG->dbprefix}users_entity ue ON e.guid = ue.guid"; + $params['joins'] = array($join); + + // use like here because of the simplicity of the search + $where = "(ue.guid = e.guid + AND (ue.username LIKE '%$query%' + OR ue.name LIKE '%$query%' + ) + )"; + $params['wheres'] = array($where); + + $entities = elgg_get_entities($params); + $params['count'] = TRUE; + $count = elgg_get_entities($params); + + // no need to continue if nothing here. + if (!$count) { + return array('entities' => array(), 'count' => $count); + } + + // add the volatile data for why these entities have been returned. + foreach ($entities as $entity) { + $username = search_get_relevant_substring($entity->username, $query, '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_title', $username); + + $name = search_get_relevant_substring($entity->name, $query, '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_description', $name); + } + + return array( + 'entities' => $entities, + 'count' => $count, + ); +} + +/** + * Return default results for searches on tags. + * + * @param unknown_type $hook + * @param unknown_type $type + * @param unknown_type $value + * @param unknown_type $params + * @return unknown_type + */ +function search_tags_hook($hook, $type, $value, $params) { + global $CONFIG; + + $query = $params['query']; + $params['metadata_name_value_pair'] = array ('name' => 'tags', 'value' => $query, 'case_sensitive' => FALSE); + + $entities = elgg_get_entities_from_metadata($params); + $params['count'] = TRUE; + $count = elgg_get_entities_from_metadata($params); + + // no need to continue if nothing here. + if (!$count) { + return array('entities' => array(), 'count' => $count); + } + + // add the volatile data for why these entities have been returned. + foreach ($entities as $entity) { + $tags = implode(',', $entity->tags); + $tags_str = search_get_relevant_substring($tags, $query, '<strong class="searchMatch">', '</strong>'); + $entity->setVolatileData('search_matched_tags', $tags_str); + } + + return array( + 'entities' => $entities, + 'count' => $count, + ); +} + +/** + * Register tags as a custom search type. + * + * @param unknown_type $hook + * @param unknown_type $type + * @param unknown_type $value + * @param unknown_type $params + * @return unknown_type + */ +function search_custom_types_tags_hook($hook, $type, $value, $params) { + $value[] = 'tags'; + return $value; +} + |