diff options
| -rw-r--r-- | engine/lib/metadata.php | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php index 5a91c6536..6bed71eb6 100644 --- a/engine/lib/metadata.php +++ b/engine/lib/metadata.php @@ -361,6 +361,62 @@ $query .= " order by $order_by limit $offset, $limit"; // Add order and limit return get_data($query, "entity_row_to_elggstar"); + }
+
+ /**
+ * Returns a list of entities based on the given search criteria.
+ *
+ * @param array $meta_array Array of 'name' => 'value' pairs
+ * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
+ * @param string $entity_subtype The subtype of the entity.
+ * @param int $limit
+ * @param int $offset
+ * @param string $order_by Optional ordering.
+ * @return array List of ElggEntities
+ */
+ function get_entities_from_metadata_multi($meta_array, $entity_type = "", $entity_subtype = "", $limit = 10, $offset = 0, $order_by = "e.time_created desc")
+ {
+ global $CONFIG;
+
+ if (!is_array($meta_array) || sizeof($meta_array) == 0) {
+ return false;
+ }
+
+ $where = array();
+
+ $mindex = 1;
+ $join = "";
+ foreach($meta_array as $meta_name => $meta_value) {
+ $meta_n = get_metastring_id($meta_name);
+ $meta_v = get_metastring_id($meta_value);
+ $join .= " JOIN {$CONFIG->dbprefix}metadata m{$mindex} on e.guid = m{$mindex}.entity_guid ";
+ if ($meta_name!="")
+ $where[] = "m{$mindex}.name_id='$meta_n'";
+ if ($meta_value!="")
+ $where[] = "m{$mindex}.value_id='$meta_v'";
+ $mindex++;
+ }
+
+ $entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+ $limit = (int)$limit;
+ $offset = (int)$offset;
+ $order_by = sanitise_string($order_by);
+
+ $access = get_access_list();
+
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+
+ $query = "SELECT distinct e.* from {$CONFIG->dbprefix}entities e {$join} where";
+ foreach ($where as $w)
+ $query .= " $w and ";
+ $query .= " (e.access_id in {$access} or (e.access_id = 0 and e.owner_guid = {$_SESSION['id']}))"; // Add access controls
+ $query .= " order by $order_by limit $offset, $limit"; // Add order and limit
+
+ return get_data($query, "entity_row_to_elggstar");
} /** |