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-rw-r--r--engine/lib/entities.php6
-rw-r--r--engine/lib/metadata.php30
-rw-r--r--engine/lib/users.php12
3 files changed, 43 insertions, 5 deletions
diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index 77dc3f073..e2624132d 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -144,9 +144,11 @@
{
if (is_array($value))
{
+ remove_metadata($this->getGUID(), $name);
$multiple = true;
- foreach ($value as $v)
- if (!create_metadata($this->getGUID(), $name, $v, $value_type, $this->getOwner(), $this->getAccessID(), $multiple)) return false;
+ foreach ($value as $v) {
+ if (!create_metadata($this->getGUID(), $name, $v, $value_type, $this->getOwner(), $this->getAccessID(), $multiple)) return false;
+ }
return true;
}
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index aba7e782d..06c187a70 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -138,6 +138,27 @@
return row_to_elggmetadata(get_data_row("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.id=$id and (m.access_id in {$access} or (m.access_id = 0 and m.owner_guid = {$_SESSION['id']}))"));
}
+
+ /**
+ * Removes metadata on an entity with a particular name
+ *
+ * @param int $entity_guid The entity GUID
+ * @param string $name The name of the entity
+ * @return true|false Depending on success
+ */
+ function remove_metadata($entity_guid, $name) {
+
+ global $CONFIG;
+ $entity_guid = (int) $entity_guid;
+ $name = sanitise_string(trim($name));
+ if ($existing = get_data("SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name))) {
+ foreach($existing as $ex)
+ delete_metadata($ex->id);
+ return true;
+ }
+ return false;
+
+ }
/**
* Create a new metadata object, or update an existing one.
@@ -169,14 +190,14 @@
$id = false;
$existing = get_data_row("SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name) . " limit 1");
- if (($existing) && (!$allow_multiple))
+ if (($existing) && (!$allow_multiple) && (!empty($value)))
{
$id = $existing->id;
$result = update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id);
if (!$result) return false;
}
- else
+ else if (!empty($value))
{
// Add the metastrings
$value = add_metastring($value);
@@ -187,6 +208,11 @@
// If ok then add it
$id = insert_data("INSERT into {$CONFIG->dbprefix}metadata (entity_guid, name_id, value_id, value_type, owner_guid, time_created, access_id) VALUES ($entity_guid, '$name','$value','$value_type', $owner_guid, $time, $access_id)");
+ } else if ($existing) {
+
+ $id = $existing->id;
+ delete_metadata($id);
+
}
return $id;
diff --git a/engine/lib/users.php b/engine/lib/users.php
index 5669da06d..efe2f6f83 100644
--- a/engine/lib/users.php
+++ b/engine/lib/users.php
@@ -230,7 +230,7 @@
* @return true|false
*/
function isFriendOf($user_guid) { return user_is_friend($user_guid, $this->getGUID()); }
-
+
/**
* Retrieves a list of this user's friends
*
@@ -270,6 +270,16 @@
*/
public function getCollections($subtype="", $limit = 10, $offset = 0) { return get_user_collections($this->getGUID(), $subtype, $limit, $offset); }
+ /**
+ * If a user's owner is blank, return its own GUID as the owner
+ *
+ * @return int User GUID
+ */
+ function getOwner() {
+ if ($this->owner_guid == 0)
+ return $this->getGUID();
+ }
+
}
/**