diff options
Diffstat (limited to 'engine/lib/objects.php')
| -rw-r--r-- | engine/lib/objects.php | 348 |
1 files changed, 44 insertions, 304 deletions
diff --git a/engine/lib/objects.php b/engine/lib/objects.php index e4c3128b9..ff3cc733f 100644 --- a/engine/lib/objects.php +++ b/engine/lib/objects.php @@ -1,215 +1,19 @@ <?php - /** * Elgg objects * Functions to manage multiple or single objects in an Elgg install * * @package Elgg * @subpackage Core - * @author Curverider Ltd - * @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())) { - // If $row isn't a cached copy then increment the counter - $this->attributes['tables_loaded'] ++; - } - - // 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')); - } - - /** - * 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); - } - - /** - * 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); } - - // EXPORTABLE INTERFACE //////////////////////////////////////////////////////////// - - /** - * Return an array of fields which can be exported. - */ - public function getExportableValues() { - return array_merge(parent::getExportableValues(), array( - 'title', - 'description', - )); - } -} /** * Return the object specific details of a object by a row. * - * @param int $guid + * @param int $guid The guid to retreive + * + * @return bool + * @access private */ function get_object_entity_as_row($guid) { global $CONFIG; @@ -222,9 +26,12 @@ function get_object_entity_as_row($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 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 $CONFIG; @@ -237,27 +44,30 @@ function create_object_entity($guid, $title, $description) { if ($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) { + $query = "SELECT guid from {$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); - if (trigger_elgg_event('update',$entity->type,$entity)) { - return $guid; - } else { - $entity->delete(); - } + 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) { + $query = "INSERT into {$CONFIG->dbprefix}objects_entity + (guid, title, description) values ($guid, '$title','$description')"; + + $result = insert_data($query); + if ($result !== false) { $entity = get_entity($guid); - if (trigger_elgg_event('create',$entity->type,$entity)) { + if (elgg_trigger_event('create', $entity->type, $entity)) { return $guid; } else { $entity->delete(); - //delete_entity($guid); } } } @@ -267,70 +77,12 @@ function create_object_entity($guid, $title, $description) { } /** - * THIS FUNCTION IS DEPRECATED. - * - * Delete a object's extra data. - * - * @param int $guid - */ -function delete_object_entity($guid) { - system_message(sprintf(elgg_echo('deprecatedfunction'), 'delete_user_entity')); - - return 1; // Always return that we have deleted one row in order to not break existing code. -} - -/** - * 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; - } - } - 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 + * @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, $offset = 0) { @@ -338,11 +90,25 @@ function get_object_sites($object_guid, $limit = 10, $offset = 0) { $limit = (int)$limit; $offset = (int)$offset; - return get_entities_from_relationship("member_of_site", $object_guid, false, "site", "", 0, "time_created desc", $limit, $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 $CONFIG; @@ -350,31 +116,5 @@ function objects_test($hook, $type, $value, $params) { return $value; } - -/** - * Returns a formatted list of objects suitable for injecting into search. - * - */ -function search_list_objects_by_name($hook, $user, $returnvalue, $tag) { - // Change this to set the number of users that display on the search page - $threshold = 4; - - $object = get_input('object'); - - if (!get_input('offset') && (empty($object) || $object == 'user')) { - if ($users = search_for_user($tag,$threshold)) { - $countusers = search_for_user($tag,0,0,"",true); - - $return = elgg_view('user/search/startblurb',array('count' => $countusers, 'tag' => $tag)); - foreach($users as $user) { - $return .= elgg_view_entity($user); - } - $return .= elgg_view('user/search/finishblurb',array('count' => $countusers, 'threshold' => $threshold, 'tag' => $tag)); - return $return; - - } - } -} - -register_elgg_event_handler('init', 'system', 'objects_init', 0); -register_plugin_hook('unit_test', 'system', 'objects_test');
\ No newline at end of file +elgg_register_event_handler('init', 'system', 'objects_init', 0); +elgg_register_plugin_hook_handler('unit_test', 'system', 'objects_test'); |
