コード例 #1
0
ファイル: ElggEntity.php プロジェクト: elgg/elgg
 /**
  * Deletes the entity.
  *
  * Removes the entity and its metadata, annotations, relationships,
  * river entries, and private data.
  *
  * Optionally can remove entities contained and owned by this entity.
  *
  * @warning If deleting recursively, this bypasses ownership of items contained by
  * the entity.  That means that if the container_guid = $this->guid, the item will
  * be deleted regardless of who owns it.
  *
  * @param bool $recursive If true (default) then all entities which are
  *                        owned or contained by $this will also be deleted.
  *
  * @return bool
  */
 public function delete($recursive = true)
 {
     $guid = $this->guid;
     if (!$guid) {
         return false;
     }
     // first check if we can delete this entity
     // NOTE: in Elgg <= 1.10.3 this was after the delete event,
     // which could potentially remove some content if the user didn't have access
     if (!$this->canDelete()) {
         return false;
     }
     // now trigger an event to let others know this entity is about to be deleted
     // so they can prevent it or take their own actions
     if (!_elgg_services()->events->trigger('delete', $this->type, $this)) {
         return false;
     }
     if ($this instanceof ElggUser) {
         // ban to prevent using the site during delete
         _elgg_services()->usersTable->markBanned($this->guid, true);
     }
     // Delete contained owned and otherwise releated objects (depth first)
     if ($recursive) {
         // Temporarily overriding access controls
         $entity_disable_override = access_get_show_hidden_status();
         access_show_hidden_entities(true);
         $ia = elgg_set_ignore_access(true);
         // @todo there was logic in the original code that ignored
         // entities with owner or container guids of themselves.
         // this should probably be prevented in \ElggEntity instead of checked for here
         $options = array('wheres' => array("((container_guid = {$guid} OR owner_guid = {$guid})" . " AND guid != {$guid})"), 'limit' => 0);
         $batch = new \ElggBatch('elgg_get_entities', $options);
         $batch->setIncrementOffset(false);
         foreach ($batch as $e) {
             $e->delete(true);
         }
         access_show_hidden_entities($entity_disable_override);
         elgg_set_ignore_access($ia);
     }
     $entity_disable_override = access_get_show_hidden_status();
     access_show_hidden_entities(true);
     $ia = elgg_set_ignore_access(true);
     // Now delete the entity itself
     $this->deleteMetadata();
     $this->deleteOwnedMetadata();
     $this->deleteAnnotations();
     $this->deleteOwnedAnnotations();
     $this->deleteRelationships();
     $this->deleteAccessCollectionMemberships();
     $this->deleteOwnedAccessCollections();
     access_show_hidden_entities($entity_disable_override);
     elgg_set_ignore_access($ia);
     _elgg_delete_river(array('subject_guid' => $guid));
     _elgg_delete_river(array('object_guid' => $guid));
     _elgg_delete_river(array('target_guid' => $guid));
     remove_all_private_settings($guid);
     _elgg_invalidate_cache_for_entity($guid);
     _elgg_invalidate_memcache_for_entity($guid);
     $dbprefix = elgg_get_config('dbprefix');
     $sql = "\n\t\t\tDELETE FROM {$dbprefix}entities\n\t\t\tWHERE guid = :guid\n\t\t";
     $params = [':guid' => $guid];
     $deleted = $this->getDatabase()->deleteData($sql, $params);
     if ($deleted && in_array($this->type, ['object', 'user', 'group', 'site'])) {
         // delete from type-specific subtable
         $sql = "\n\t\t\t\tDELETE FROM {$dbprefix}{$this->type}s_entity\n\t\t\t\tWHERE guid = :guid\n\t\t\t";
         $this->getDatabase()->deleteData($sql, $params);
     }
     _elgg_clear_entity_files($this);
     return (bool) $deleted;
 }
コード例 #2
0
ファイル: ElggEntity.php プロジェクト: nirajkaushal/Elgg
 /**
  * Deletes the entity.
  *
  * Removes the entity and its metadata, annotations, relationships,
  * river entries, and private data.
  *
  * Optionally can remove entities contained and owned by this entity.
  *
  * @warning If deleting recursively, this bypasses ownership of items contained by
  * the entity.  That means that if the container_guid = $this->guid, the item will
  * be deleted regardless of who owns it.
  *
  * @param bool $recursive If true (default) then all entities which are
  *                        owned or contained by $this will also be deleted.
  *
  * @return bool
  */
 public function delete($recursive = true)
 {
     global $CONFIG;
     $guid = $this->guid;
     if (!$guid) {
         return false;
     }
     // first check if we can delete this entity
     // NOTE: in Elgg <= 1.10.3 this was after the delete event,
     // which could potentially remove some content if the user didn't have access
     if (!$this->canDelete()) {
         return false;
     }
     // now trigger an event to let others know this entity is about to be deleted
     // so they can prevent it or take their own actions
     if (!_elgg_services()->events->trigger('delete', $this->type, $this)) {
         return false;
     }
     _elgg_invalidate_cache_for_entity($guid);
     // If memcache is available then delete this entry from the cache
     static $newentity_cache;
     if (!$newentity_cache && is_memcache_available()) {
         $newentity_cache = new \ElggMemcache('new_entity_cache');
     }
     if ($newentity_cache) {
         $newentity_cache->delete($guid);
     }
     // Delete contained owned and otherwise releated objects (depth first)
     if ($recursive) {
         // Temporarily overriding access controls
         $entity_disable_override = access_get_show_hidden_status();
         access_show_hidden_entities(true);
         $ia = elgg_set_ignore_access(true);
         // @todo there was logic in the original code that ignored
         // entities with owner or container guids of themselves.
         // this should probably be prevented in \ElggEntity instead of checked for here
         $options = array('wheres' => array("((container_guid = {$guid} OR owner_guid = {$guid} OR site_guid = {$guid})" . " AND guid != {$guid})"), 'limit' => 0);
         $batch = new \ElggBatch('elgg_get_entities', $options);
         $batch->setIncrementOffset(false);
         foreach ($batch as $e) {
             $e->delete(true);
         }
         access_show_hidden_entities($entity_disable_override);
         elgg_set_ignore_access($ia);
     }
     $entity_disable_override = access_get_show_hidden_status();
     access_show_hidden_entities(true);
     $ia = elgg_set_ignore_access(true);
     // Now delete the entity itself
     $this->deleteMetadata();
     $this->deleteOwnedMetadata();
     $this->deleteAnnotations();
     $this->deleteOwnedAnnotations();
     $this->deleteRelationships();
     $this->deleteAccessCollectionMemberships();
     $this->deleteOwnedAccessCollections();
     access_show_hidden_entities($entity_disable_override);
     elgg_set_ignore_access($ia);
     elgg_delete_river(array('subject_guid' => $guid));
     elgg_delete_river(array('object_guid' => $guid));
     elgg_delete_river(array('target_guid' => $guid));
     remove_all_private_settings($guid);
     $res = $this->getDatabase()->deleteData("DELETE FROM {$CONFIG->dbprefix}entities WHERE guid = {$guid}");
     if ($res) {
         $sub_table = "";
         // Where appropriate delete the sub table
         switch ($this->type) {
             case 'object':
                 $sub_table = $CONFIG->dbprefix . 'objects_entity';
                 break;
             case 'user':
                 $sub_table = $CONFIG->dbprefix . 'users_entity';
                 break;
             case 'group':
                 $sub_table = $CONFIG->dbprefix . 'groups_entity';
                 break;
             case 'site':
                 $sub_table = $CONFIG->dbprefix . 'sites_entity';
                 break;
         }
         if ($sub_table) {
             $this->getDatabase()->deleteData("DELETE FROM {$sub_table} WHERE guid = {$guid}");
         }
     }
     _elgg_clear_entity_files($this);
     return (bool) $res;
 }