diff options
| author | ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-09-06 02:42:09 +0000 |
|---|---|---|
| committer | ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2010-09-06 02:42:09 +0000 |
| commit | 76dac45ebaf104b312a8527a05424601ca9d520a (patch) | |
| tree | 7440558a893ebf1d3816829ecbb96c3b0df9b4f0 /engine/classes/ElggMetadata.php | |
| parent | 9e8baf614938dfd1687ddce39b409c3c0e5c5753 (diff) | |
| download | elgg-76dac45ebaf104b312a8527a05424601ca9d520a.tar.gz elgg-76dac45ebaf104b312a8527a05424601ca9d520a.tar.bz2 | |
Refs #2220: Pulled most classes / interfaces out of lib files (except query.php and exception.php) into "classes" folder. Replaced inline classes with "require_once" statements for now. Ran unit tests to verify functionality before committing.
git-svn-id: http://code.elgg.org/elgg/trunk@6908 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine/classes/ElggMetadata.php')
| -rw-r--r-- | engine/classes/ElggMetadata.php | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/engine/classes/ElggMetadata.php b/engine/classes/ElggMetadata.php new file mode 100644 index 000000000..631b73c8f --- /dev/null +++ b/engine/classes/ElggMetadata.php @@ -0,0 +1,114 @@ +<?php
+
+/**
+ * ElggMetadata
+ * This class describes metadata that can be attached to ElggEntities.
+ *
+ * @author Curverider Ltd <info@elgg.com>
+ * @package Elgg
+ * @subpackage Core
+ */
+class ElggMetadata extends ElggExtender {
+ /**
+ * Construct a new site object, optionally from a given id value or row.
+ *
+ * @param mixed $id
+ */
+ function __construct($id = null) {
+ $this->attributes = array();
+
+ if (!empty($id)) {
+ // Create from db row
+ if ($id instanceof stdClass) {
+ $metadata = $id;
+ } else {
+ $metadata = get_metadata($id);
+ }
+
+ if ($metadata) {
+ $objarray = (array) $metadata;
+ foreach($objarray as $key => $value) {
+ $this->attributes[$key] = $value;
+ }
+ $this->attributes['type'] = "metadata";
+ }
+ }
+ }
+
+ /**
+ * Class member get overloading
+ *
+ * @param string $name
+ * @return mixed
+ */
+ function __get($name) {
+ return $this->get($name);
+ }
+
+ /**
+ * Class member set overloading
+ *
+ * @param string $name
+ * @param mixed $value
+ * @return mixed
+ */
+ function __set($name, $value) {
+ return $this->set($name, $value);
+ }
+
+ /**
+ * Determines whether or not the user can edit this piece of metadata
+ *
+ * @return true|false Depending on permissions
+ */
+ function canEdit() {
+ if ($entity = get_entity($this->get('entity_guid'))) {
+ return $entity->canEditMetadata($this);
+ }
+ return false;
+ }
+
+ /**
+ * Save matadata object
+ *
+ * @return int the metadata object id
+ */
+ function save() {
+ if ($this->id > 0) {
+ return update_metadata($this->id, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
+ } else {
+ $this->id = create_metadata($this->entity_guid, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
+ if (!$this->id) {
+ throw new IOException(sprintf(elgg_echo('IOException:UnableToSaveNew'), get_class()));
+ }
+ return $this->id;
+ }
+ }
+
+ /**
+ * Delete a given metadata.
+ */
+ function delete() {
+ return delete_metadata($this->id);
+ }
+
+ /**
+ * Get a url for this item of metadata.
+ *
+ * @return string
+ */
+ public function getURL() {
+ return get_metadata_url($this->id);
+ }
+
+ // SYSTEM LOG INTERFACE ////////////////////////////////////////////////////////////
+
+ /**
+ * For a given ID, return the object associated with it.
+ * This is used by the river functionality primarily.
+ * This is useful for checking access permissions etc on objects.
+ */
+ public function getObjectFromID($id) {
+ return get_metadata($id);
+ }
+}
\ No newline at end of file |