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<?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;
}
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