diff options
Diffstat (limited to 'engine/lib/objects.php')
| -rw-r--r-- | engine/lib/objects.php | 486 |
1 files changed, 115 insertions, 371 deletions
diff --git a/engine/lib/objects.php b/engine/lib/objects.php index 0bbcf1bb9..ff3cc733f 100644 --- a/engine/lib/objects.php +++ b/engine/lib/objects.php @@ -1,376 +1,120 @@ -<?php
-
- /**
- * Elgg objects
- * Functions to manage multiple or single objects in an Elgg install
- *
- * @package Elgg
- * @subpackage Core
- * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
- * @author Curverider Ltd
- * @copyright Curverider Ltd 2008
- * @link http://elgg.org/
- */
-
- /**
- * ElggObject
- * Representation of an "object" in the system. - * - * @package Elgg - * @subpackage Core
- */
- class ElggObject extends ElggEntity
- {
- /**
- * Initialise the attributes array.
- * This is vital to distinguish between metadata and base parameters.
- *
- * Place your base parameters here.
- */
- protected function initialise_attributes()
- {
- parent::initialise_attributes();
-
- $this->attributes['type'] = "object";
- $this->attributes['title'] = "";
- $this->attributes['description'] = ""; - $this->attributes['tables_split'] = 2;
- }
-
- /**
- * Construct a new object entity, optionally from a given id value.
- *
- * @param mixed $guid If an int, load that GUID.
- * If a db row then will attempt to load the rest of the data.
- * @throws Exception if there was a problem creating the object.
- */
- function __construct($guid = null)
- {
- $this->initialise_attributes(); -
- if (!empty($guid))
- {
- // Is $guid is a DB row - either a entity row, or a object table row.
- if ($guid instanceof stdClass) {
- // Load the rest
- if (!$this->load($guid->guid)) - throw new IOException(sprintf(elgg_echo('IOException:FailedToLoadGUID'), get_class(), $guid->guid));
- }
-
- // Is $guid is an ElggObject? Use a copy constructor
- else if ($guid instanceof ElggObject)
- {
- foreach ($guid->attributes as $key => $value)
- $this->attributes[$key] = $value;
- }
-
- // Is this is an ElggEntity but not an ElggObject = ERROR!
- else if ($guid instanceof ElggEntity)
- throw new InvalidParameterException(elgg_echo('InvalidParameterException:NonElggObject'));
-
- // We assume if we have got this far, $guid is an int
- else if (is_numeric($guid)) {
- if (!$this->load($guid)) IOException(sprintf(elgg_echo('IOException:FailedToLoadGUID'), get_class(), $guid));
- } - - else - throw new InvalidParameterException(elgg_echo('InvalidParameterException:UnrecognisedValue'));
- }
- }
-
- /**
- * Override the load function.
- * This function will ensure that all data is loaded (were possible), so
- * if only part of the ElggObject is loaded, it'll load the rest.
- *
- * @param int $guid
- * @return true|false
- */
- protected function load($guid)
- {
- // Test to see if we have the generic stuff
- if (!parent::load($guid))
- return false;
-
- // Check the type
- if ($this->attributes['type']!='object')
- throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $guid, get_class()));
-
- // Load missing data
- $row = get_object_entity_as_row($guid); - if (($row) && (!$this->isFullyLoaded())) $this->attributes['tables_loaded'] ++; // If $row isn't a cached copy then increment the counter
-
- // Now put these into the attributes array as core values
- $objarray = (array) $row;
- foreach($objarray as $key => $value)
- $this->attributes[$key] = $value;
-
- return true;
- }
-
- /**
- * Override the save function.
- * @return true|false
- */
- public function save()
- {
- // Save generic stuff
- if (!parent::save())
- return false;
-
- // Now save specific stuff
- return create_object_entity($this->get('guid'), $this->get('title'), $this->get('description'), $this->get('container_guid')); - }
-
- /**
- * Delete this object.
- * @return true|false
- */
- public function delete()
- { - if (!delete_object_entity($this->get('guid'))) - return false; - - return parent::delete();
- }
-
- /**
- * Get sites that this object is a member of
- *
- * @param string $subtype Optionally, the subtype of result we want to limit to
- * @param int $limit The number of results to return
- * @param int $offset Any indexing offset
- */
- function getSites($subtype="", $limit = 10, $offset = 0) {
- return get_site_objects($this->getGUID(), $subtype, $limit, $offset);
- }
-
- /**
- * Add this object to a particular site
- *
- * @param int $site_guid The guid of the site to add it to
- * @return true|false
- */
- function addToSite($site_guid) {
- return add_site_object($this->getGUID(), $site_guid);
- }
+<?php +/** + * Elgg objects + * Functions to manage multiple or single objects in an Elgg install + * + * @package Elgg + * @subpackage Core + */ - /** - * Set the container for this object. - * - * @param int $container_guid The ID of the container. - * @return bool - */ - function setContainer($container_guid) - { - $container_guid = (int)$container_guid; - - return $this->set('container_guid', $container_guid); - } - - /** - * Return the container GUID of this object. - * - * @return int - */ - function getContainer() - { - return $this->get('container_guid'); - } - - /** - * As getContainer(), but returns the whole entity. - * - * @return mixed ElggGroup object or false. - */ - function getContainerEntity() - { - $result = get_entity($this->getContainer()); - - if (($result) && ($result instanceof ElggGroup)) - return $result; - - return false; - } -
- /**
- * Get the collections associated with a object.
- *
- * @param string $subtype Optionally, the subtype of result we want to limit to
- * @param int $limit The number of results to return
- * @param int $offset Any indexing offset
- * @return unknown
- */
- //public function getCollections($subtype="", $limit = 10, $offset = 0) { get_object_collections($this->getGUID(), $subtype, $limit, $offset); }
-
- }
-
- /**
- * Return the object specific details of a object by a row.
- *
- * @param int $guid
- */
- function get_object_entity_as_row($guid)
- {
- global $CONFIG;
-
- $guid = (int)$guid; - - $row = retrieve_cached_entity_row($guid); - if ($row) - { - // We have already cached this object, so retrieve its value from the cache - if (isset($CONFIG->debug) && $CONFIG->debug) - error_log("** Retrieving sub part of GUID:$guid from cache"); - - return $row; - } - else - { - // Object not cached, load it. - if ($CONFIG->debug) - error_log("** Sub part of GUID:$guid loaded from DB");
-
- return get_data_row("SELECT * from {$CONFIG->dbprefix}objects_entity where guid=$guid"); - }
- }
-
- /**
- * Create or update the extras table for a given object.
- * Call create_entity first.
- *
- * @param int $guid The guid of the entity you're creating (as obtained by create_entity)
- * @param string $title The title of the object
- * @param string $description The object's description
- */
- function create_object_entity($guid, $title, $description)
- {
- global $CONFIG;
-
- $guid = (int)$guid;
- $title = sanitise_string($title);
- $description = sanitise_string($description); -
- $row = get_entity_as_row($guid);
-
- if ($row)
- { - // Core entities row exists and we have access to it - if ($exists = get_data_row("SELECT guid from {$CONFIG->dbprefix}objects_entity where guid = {$guid}")) { - $result = update_data("UPDATE {$CONFIG->dbprefix}objects_entity set title='$title', description='$description' where guid=$guid"); - if ($result!=false) - { - // Update succeeded, continue - $entity = get_entity($guid); - if (trigger_elgg_event('update',$entity->type,$entity)) { - return $guid; - } else { - $entity->delete(); - } - }
+/** + * Return the object specific details of a object by a row. + * + * @param int $guid The guid to retreive + * + * @return bool + * @access private + */ +function get_object_entity_as_row($guid) { + global $CONFIG; + + $guid = (int)$guid; + return get_data_row("SELECT * from {$CONFIG->dbprefix}objects_entity where guid=$guid"); +} + +/** + * Create or update the extras table for a given object. + * Call create_entity first. + * + * @param int $guid The guid of the entity you're creating (as obtained by create_entity) + * @param string $title The title of the object + * @param string $description The object's description + * + * @return bool + * @access private + */ +function create_object_entity($guid, $title, $description) { + global $CONFIG; + + $guid = (int)$guid; + $title = sanitise_string($title); + $description = sanitise_string($description); + + $row = get_entity_as_row($guid); + + if ($row) { + // Core entities row exists and we have access to it + $query = "SELECT guid from {$CONFIG->dbprefix}objects_entity where guid = {$guid}"; + if ($exists = get_data_row($query)) { + $query = "UPDATE {$CONFIG->dbprefix}objects_entity + set title='$title', description='$description' where guid=$guid"; + + $result = update_data($query); + if ($result != false) { + // Update succeeded, continue + $entity = get_entity($guid); + elgg_trigger_event('update', $entity->type, $entity); + return $guid; } - else - { - - // Update failed, attempt an insert. - $result = insert_data("INSERT into {$CONFIG->dbprefix}objects_entity (guid, title, description) values ($guid, '$title','$description')"); - if ($result!==false) { - $entity = get_entity($guid); - if (trigger_elgg_event('create',$entity->type,$entity)) { - return $guid; - } else { - delete_entity($guid); - } - } - }
-
- }
-
- return false;
- }
-
- /**
- * Delete a object's extra data.
- *
- * @param int $guid
- */
- function delete_object_entity($guid)
- {
- global $CONFIG;
-
- $guid = (int)$guid;
-
- $row = get_object_entity_as_row($guid);
-
- // Check to see if we have access and it exists
- if ($row)
- {
- // Delete any existing stuff
- return delete_data("DELETE from {$CONFIG->dbprefix}objects_entity where guid=$guid");
- }
-
- return false;
- } - - /** - * Searches for an object based on a complete or partial title or description using full text searching. - * - * IMPORTANT NOTE: With MySQL's default setup: - * 1) $criteria must be 4 or more characters long - * 2) If $criteria matches greater than 50% of results NO RESULTS ARE RETURNED! - * - * @param string $criteria The partial or full name or username. - * @param int $limit Limit of the search. - * @param int $offset Offset. - * @param string $order_by The order. - * @param boolean $count Whether to return the count of results or just the results. - */ - function search_for_object($criteria, $limit = 10, $offset = 0, $order_by = "", $count = false) - { - global $CONFIG; - - $criteria = sanitise_string($criteria); - $limit = (int)$limit; - $offset = (int)$offset; - $order_by = sanitise_string($order_by); - $container_guid = (int)$container_guid; - - $access = get_access_sql_suffix("e"); - - if ($order_by == "") $order_by = "e.time_created desc"; - - if ($count) { - $query = "SELECT count(e.guid) as total "; - } else { - $query = "SELECT e.* "; - } - $query .= "from {$CONFIG->dbprefix}entities e join {$CONFIG->dbprefix}objects_entity o on e.guid=o.guid where match(o.title,o.description) against ('$criteria') and $access"; - - if (!$count) { - $query .= " order by $order_by limit $offset, $limit"; // Add order and limit - return get_data($query, "entity_row_to_elggstar"); } else { - if ($count = get_data_row($query)) { - return $count->total; + // Update failed, attempt an insert. + $query = "INSERT into {$CONFIG->dbprefix}objects_entity + (guid, title, description) values ($guid, '$title','$description')"; + + $result = insert_data($query); + if ($result !== false) { + $entity = get_entity($guid); + if (elgg_trigger_event('create', $entity->type, $entity)) { + return $guid; + } else { + $entity->delete(); + } } } - return false; - }
-
- /**
- * Get the sites this object is part of
- *
- * @param int $object_guid The object's GUID
- * @param int $limit Number of results to return
- * @param int $offset Any indexing offset
- * @return false|array On success, an array of ElggSites
- */
- function get_object_sites($object_guid, $limit = 10, $offset = 0) {
- $object_guid = (int)$object_guid;
- $limit = (int)$limit;
- $offset = (int)$offset;
-
- return get_entities_from_relationship("member_of_site", $object_guid, false, "site", "", 0, "time_created desc", $limit, $offset);
- }
-
-?>
\ No newline at end of file + } + + return false; +} + +/** + * Get the sites this object is part of + * + * @param int $object_guid The object's GUID + * @param int $limit Number of results to return + * @param int $offset Any indexing offset + * + * @return false|array On success, an array of ElggSites + */ +function get_object_sites($object_guid, $limit = 10, $offset = 0) { + $object_guid = (int)$object_guid; + $limit = (int)$limit; + $offset = (int)$offset; + + return elgg_get_entities_from_relationship(array( + 'relationship' => 'member_of_site', + 'relationship_guid' => $object_guid, + 'type' => 'site', + 'limit' => $limit, + 'offset' => $offset, + )); +} + +/** + * Runs unit tests for ElggObject + * + * @param string $hook unit_test + * @param string $type system + * @param mixed $value Array of tests + * @param mixed $params Params + * + * @return array + * @access private + */ +function objects_test($hook, $type, $value, $params) { + global $CONFIG; + $value[] = "{$CONFIG->path}engine/tests/objects/objects.php"; + return $value; +} + +elgg_register_event_handler('init', 'system', 'objects_init', 0); +elgg_register_plugin_hook_handler('unit_test', 'system', 'objects_test'); |
