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

1 files changed, 1 insertions, 286 deletions

diff --git a/engine/lib/relationships.php b/engine/lib/relationships.php
index dd8a2b188..81d18d1ca 100644
--- a/engine/lib/relationships.php
+++ b/engine/lib/relationships.php
@@ -9,292 +9,7 @@
  * @link http://elgg.org/
  */
 
-/**
- * Relationship class.
- *
- * @author Curverider Ltd
- * @package Elgg
- * @subpackage Core
- */
-class ElggRelationship implements
-	Importable,
-	Exportable,
-	Loggable,	// Can events related to this object class be logged
-	Iterator,	// Override foreach behaviour
-	ArrayAccess // Override for array access
-	{
-	/**
-	 * This contains the site's main properties (id, etc)
-	 * @var array
-	 */
-	protected $attributes;
-
-	/**
-	 * 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)) {
-			if ($id instanceof stdClass) {
-				$relationship = $id; // Create from db row
-			} else {
-				$relationship = get_relationship($id);
-			}
-
-			if ($relationship) {
-				$objarray = (array) $relationship;
-				foreach($objarray as $key => $value) {
-					$this->attributes[$key] = $value;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Class member get overloading
-	 *
-	 * @param string $name
-	 * @return mixed
-	 */
-	function __get($name) {
-		if (isset($this->attributes[$name])) {
-			return $this->attributes[$name];
-		}
-
-		return null;
-	}
-
-	/**
-	 * Class member set overloading
-	 *
-	 * @param string $name
-	 * @param mixed $value
-	 * @return mixed
-	 */
-	function __set($name, $value) {
-		$this->attributes[$name] = $value;
-		return true;
-	}
-
-	/**
-	 * Save the relationship
-	 *
-	 * @return int the relationship id
-	 */
-	public function save() {
-		if ($this->id > 0) {
-			delete_relationship($this->id);
-		}
-
-		$this->id = add_entity_relationship($this->guid_one, $this->relationship, $this->guid_two);
-		if (!$this->id) {
-			throw new IOException(sprintf(elgg_echo('IOException:UnableToSaveNew'), get_class()));
-		}
-
-		return $this->id;
-	}
-
-	/**
-	 * Delete a given relationship.
-	 */
-	public function delete() {
-		return delete_relationship($this->id);
-	}
-
-	/**
-	 * Get a URL for this relationship.
-	 *
-	 * @return string
-	 */
-	public function getURL() {
-		return get_relationship_url($this->id);
-	}
-
-	// EXPORTABLE INTERFACE ////////////////////////////////////////////////////////////
-
-	/**
-	 * Return an array of fields which can be exported.
-	 */
-	public function getExportableValues() {
-		return array(
-			'id',
-			'guid_one',
-			'relationship',
-			'guid_two'
-		);
-	}
-
-	/**
-	 * Export this relationship
-	 *
-	 * @return array
-	 */
-	public function export() {
-		$uuid = get_uuid_from_object($this);
-		$relationship = new ODDRelationship(
-			guid_to_uuid($this->guid_one),
-			$this->relationship,
-			guid_to_uuid($this->guid_two)
-		);
-
-		$relationship->setAttribute('uuid', $uuid);
-
-		return $relationship;
-	}
-
-	// IMPORTABLE INTERFACE ////////////////////////////////////////////////////////////
-
-	/**
-	 * Import a relationship
-	 *
-	 * @param array $data
-	 * @param int $version
-	 * @return ElggRelationship
-	 * @throws ImportException
-	 */
-	public function import(ODD $data) {
-		if (!($element instanceof ODDRelationship)) {
-			throw new InvalidParameterException(elgg_echo('InvalidParameterException:UnexpectedODDClass'));
-		}
-
-		$uuid_one = $data->getAttribute('uuid1');
-		$uuid_two = $data->getAttribute('uuid2');
-
-		// See if this entity has already been imported, if so then we need to link to it
-		$entity1 = get_entity_from_uuid($uuid_one);
-		$entity2 = get_entity_from_uuid($uuid_two);
-		if (($entity1) && ($entity2)) {
-			// Set the item ID
-			$this->attributes['guid_one'] = $entity1->getGUID();
-			$this->attributes['guid_two'] = $entity2->getGUID();
-
-			// Map verb to relationship
-			//$verb = $data->getAttribute('verb');
-			//$relationship = get_relationship_from_verb($verb);
-			$relationship = $data->getAttribute('type');
-
-			if ($relationship) {
-				$this->attributes['relationship'] = $relationship;
-				// save
-				$result = $this->save();
-				if (!$result) {
-					throw new ImportException(sprintf(elgg_echo('ImportException:ProblemSaving'), get_class()));
-				}
-
-				return $this;
-			}
-		}
-	}
-
-	// SYSTEM LOG INTERFACE ////////////////////////////////////////////////////////////
-
-	/**
-	 * Return an identification for the object for storage in the system log.
-	 * This id must be an integer.
-	 *
-	 * @return int
-	 */
-	public function getSystemLogID() {
-		return $this->id;
-	}
-
-	/**
-	 * Return the class name of the object.
-	 */
-	public function getClassName() {
-		return get_class($this);
-	}
-
-	/**
-	 * 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($id) {
-		return get_relationship($id);
-	}
-
-	/**
-	 * Return the GUID of the owner of this object.
-	 */
-	public function getObjectOwnerGUID() {
-		return $this->owner_guid;
-	}
-
-	/**
-	 * Return a type of the object - eg. object, group, user, relationship, metadata, annotation etc
-	 */
-	public function getType() {
-		return 'relationship';
-	}
-
-	/**
-	 * Return a subtype. For metadata & annotations this is the 'name' and for relationship this is the relationship type.
-	 */
-	public function getSubtype() {
-		return $this->relationship;
-	}
-
-	// ITERATOR INTERFACE //////////////////////////////////////////////////////////////
-	/*
-	 * This lets an entity's attributes be displayed using foreach as a normal array.
-	 * Example: http://www.sitepoint.com/print/php5-standard-library
-	 */
-
-	private $valid = FALSE;
-
-	function rewind() {
-		$this->valid = (FALSE !== reset($this->attributes));
-	}
-
-	function current() {
-		return current($this->attributes);
-	}
-
-	function key() {
-		return key($this->attributes);
-	}
-
-	function next() {
-		$this->valid = (FALSE !== next($this->attributes));
-	}
-
-	function valid() {
-		return $this->valid;
-	}
-
-	// ARRAY ACCESS INTERFACE //////////////////////////////////////////////////////////
-	/*
-	 * This lets an entity's attributes be accessed like an associative array.
-	 * Example: http://www.sitepoint.com/print/php5-standard-library
-	 */
-
-	function offsetSet($key, $value) {
-		if ( array_key_exists($key, $this->attributes) ) {
-			$this->attributes[$key] = $value;
-		}
-	}
-
-	function offsetGet($key) {
-		if ( array_key_exists($key, $this->attributes) ) {
-			return $this->attributes[$key];
-		}
-	}
-
-	function offsetUnset($key) {
-		if ( array_key_exists($key, $this->attributes) ) {
-			$this->attributes[$key] = ""; // Full unsetting is dangerious for our objects
-		}
-	}
-
-	function offsetExists($offset) {
-		return array_key_exists($offset, $this->attributes);
-	}
-}
-
+require_once dirname(dirname(__FILE__)).'/classes/ElggRelationship.php';
 
 /**
  * Convert a database row to a new ElggRelationship